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NZ535166A - New medicinal compositions on the basis of anticholinergic agents and EGFR kinase inhibitors - Google Patents

New medicinal compositions on the basis of anticholinergic agents and EGFR kinase inhibitors

Info

Publication number
NZ535166A
NZ535166A NZ535166A NZ53516603A NZ535166A NZ 535166 A NZ535166 A NZ 535166A NZ 535166 A NZ535166 A NZ 535166A NZ 53516603 A NZ53516603 A NZ 53516603A NZ 535166 A NZ535166 A NZ 535166A
Authority
NZ
New Zealand
Prior art keywords
amino
oxo
quinazoline
chloro
buten
Prior art date
Application number
NZ535166A
Inventor
Birgit Jung
Michel Pairet
Michael P Pieper
Original Assignee
Boehringer Ingelheim Pharma
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Boehringer Ingelheim Pharma filed Critical Boehringer Ingelheim Pharma
Publication of NZ535166A publication Critical patent/NZ535166A/en

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K45/00—Medicinal preparations containing active ingredients not provided for in groups A61K31/00 - A61K41/00
    • A61K45/06—Mixtures of active ingredients without chemical characterisation, e.g. antiphlogistics and cardiaca
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/33—Heterocyclic compounds
    • A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/435—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom
    • A61K31/439—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom the ring forming part of a bridged ring system, e.g. quinuclidine
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/33—Heterocyclic compounds
    • A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/435—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom
    • A61K31/46—8-Azabicyclo [3.2.1] octane; Derivatives thereof, e.g. atropine, cocaine
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/33—Heterocyclic compounds
    • A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/435—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom
    • A61K31/47—Quinolines; Isoquinolines
    • A61K31/4738—Quinolines; Isoquinolines ortho- or peri-condensed with heterocyclic ring systems
    • A61K31/4745—Quinolines; Isoquinolines ortho- or peri-condensed with heterocyclic ring systems condensed with ring systems having nitrogen as a ring hetero atom, e.g. phenantrolines
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/33—Heterocyclic compounds
    • A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/495—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with two or more nitrogen atoms as the only ring heteroatoms, e.g. piperazine or tetrazines
    • A61K31/505—Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim
    • A61K31/517—Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim ortho- or peri-condensed with carbocyclic ring systems, e.g. quinazoline, perimidine
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/33—Heterocyclic compounds
    • A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/535—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with at least one nitrogen and one oxygen as the ring hetero atoms, e.g. 1,2-oxazines
    • A61K31/5375—1,4-Oxazines, e.g. morpholine
    • A61K31/5377—1,4-Oxazines, e.g. morpholine not condensed and containing further heterocyclic rings, e.g. timolol
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P11/00—Drugs for disorders of the respiratory system
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P11/00—Drugs for disorders of the respiratory system
    • A61P11/06—Antiasthmatics
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P11/00—Drugs for disorders of the respiratory system
    • A61P11/08—Bronchodilators
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P11/00—Drugs for disorders of the respiratory system
    • A61P11/16—Central respiratory analeptics
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P29/00—Non-central analgesic, antipyretic or antiinflammatory agents, e.g. antirheumatic agents; Non-steroidal antiinflammatory drugs [NSAID]
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P43/00—Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Public Health (AREA)
  • Medicinal Chemistry (AREA)
  • Veterinary Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Epidemiology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Pulmonology (AREA)
  • Pain & Pain Management (AREA)
  • Rheumatology (AREA)
  • Emergency Medicine (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
  • Medicinal Preparation (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)

Abstract

Disclosed is a pharmaceutical composition, comprising one or more anticholinergics combined with one or more EGFR kinase inhibitors, wherein the anticholinergic is selected from a group consisting of tiotropium salts, oxitropium salts or ipratropium salts and wherein the EGFR kinase inhibitor is selected from a group of compounds described in the specification. Also disclosed is the use of said compositions in the treatment of inflammatory or obstructive diseases of the respiratory tract.

Description

535166 New medicinal compositions on the basis of anticholinergic agents and EGFR kinase inhibitors The present invention relates to novel pharmaceutical compositions based on anticholinergics and EGFR kinase inhibitors, processes for preparing them and their use in the treatment of respiratory complaints.
Description of the invention The present invention relates to novel pharmaceutical compositions based on anticholinergics and EGFR-kinase inhibitors, processes for preparing them and their use in the treatment of respiratory complaints.
Surprisingly, an unexpectedly beneficial therapeutic effect, particularly a synergistic effect can be observed in the treatment of inflammatory and/or obstructive diseases of the respiratory tract if one or more, preferably one, anticholinergic is used with one or more, preferably one, EGFR-kinase inhibitor. In view of this synergistic effect the pharmaceutical combinations according to the invention can be used in smaller doses than would be the case with the individual compounds used in monotherapy in the usual way.
The combinations of active substances according to the invention are surprisingly characterised both by a rapid onset of activity and also by a long-lasting duration of activity. This is very important to the patient's feeling of well-being, as on the one hand they experience a rapid improvement in their condition once the combination has been administered and on the other hand the drug need only be taken once a day, thanks to its long-lasting effects.
These effects are observed both when the active substances are administered simultaneously within a single active substance formulation and also when the two active substances are administered successively in separate formulations. It is preferable according to the invention to administer the two active ingredients simultaneously in a single formulation.
Within the scope of the present invention the term anticholinergics A denotes salts which are preferably selected from among the tiotropium salts, oxitropium salts and ipratropium salts, of which the tiotropium salts are particularly preferred. In the above-mentioned salts the cations tiotropium, OF- IM.Z. 1 S m 2006 2 oxitropium and ipratropium are the pharmacologically active ingredients. Within the scope of the present patent application, a reference to the above cations is indicated by the use of the number 1\ Any reference to compounds 1 naturally also includes a reference to the ingredients V (tiotropium, oxitropium or ipratropium).
By the salts 1 which may be used within the scope of the present invention are meant the compounds which comprise, in addition to tiotropium, oxitropium or ipratropium as counter-ion (anion), chloride, bromide, iodide, sulphate, methanesulphonate, para-toluenesulphonate or methylsulphate. Within the scope of the present invention, the methanesulphonate, chloride, bromide and iodide are preferred of all the salts 1, the methanesulphonate and bromide being of particular importance. Of outstanding importance according to the invention are salts ± selected from among tiotropium bromide, oxitropium bromide and ipratropium bromide. Tiotropium bromide is particularly preferred. Tiotropium bromide in the form of its crystalline monohydrate is of particular importance.
Within the scope of the present invention the term EGFR kinase inhibitors (hereinafter 2) preferably denotes those compounds which are selected from among 4-[(3-chloro-4-fluoro-phenyl)amino]-7-(2-{4-[(S)-(2-oxo-tetrahydrofuran-5-yl)-carbonyl]-piperazin-1-yl}-ethoxy)-6-[(vinylcarbonyl)amino]-quinazoline, 4-[(3-chloro-4-fluoro-phenyl)amino]-7-[2-((S)-6-methyl-2-oxo-morpholin-4-yl)-ethoxy]- 6-[(vinylcarbonyl)amino]-quinazoline, 4-[(3-chloro-4-fluoro-phenyl)amino]-7-[4-((R)-6-methyl-2-oxo-morpholin-4-yl)-butyloxy]-6-[(vinylcarbonyl)amino]-quinazoline, 4-[(3-chloro-4-fluoro-phenyl)amino]-7-[4-((S)-6-methyl-2-oxo-morpholin-4-yl)-butyloxy]-6-[(vinylcarbonyl)amino]-quinazoline, 4-[(3-chloro-4-fluoro-phenyl)amino]-7-[4-(2,2-dimethyl-6-oxo-morpholin-4-yl)-butyloxy]-6-[(vinylcarbonyl)amino]-quinazoline, 4-[(3-chloro-4-fluoro-phenyl)amino]-6-{[4-((R)-6-methyl-2-oxo-morpholin-4-yl)-1-oxo-2-buten-1-yl]amino}-7-cyclopropylmethoxy-quinazoline, 4-[(3-chloro-4-fluoro-phenyl)amino-6-({4-[bis-(2-methoxyethyl)-amino]-1-oxo-2-buten-1-yI}amino)-7-cyclopropylmethoxy-quinalozine, 4-[(3-chloro-4-fluoro-phenyl)amino]-6-{[4-((F?)-6-methyl-2-oxo-morpholin-4-yl)-1-oxo-2-buten-1-yl]amino}-7-[(S)-(tetrahydrofuran-3-yl)oxy]-quinazoline, 4-[(3-chloro-4-fluoro-phenyl)amino]-6-{[4-((R)-2-methoxymethyl-6-oxo-morpholin-4-yl)-1 -oxo-2-buten-1 -yl]amino}-7-cyclopropylmethoxy-quinazoline, 4-f(3-chloro-4-fluoro-phenyl)amino]-6-[2-((S)-6-methyl-2-oxo-morpholin-4 7-methoxy-quinazoline, \ Intellectual Pj"OPertV Office of N.Z. 2 0 OCT 2006 RECEIVEJJ 3 4-[(3-chloro-4-fluorophenyl)amino]-6-({4-[N-(2-methoxy-ethyl)-N-methyl-amino]-1-oxo-2-buten-1-yl}amino)-7-cyclopropylmethoxy-quinazoline, 4-[(3-chloro-4-fluorophenyl)amino]-6-{[4-(N, N-dimethylamino)-1 -oxo-2-buten-1 -yl]amino}-7-cyclopentyloxy-quinazoline, 4-[(3-chloro-4-fluoro-phenyl)amino]-6-{[4-((S)-2-methoxymethyl-6-oxo-morpholin-4-yl)-1 -oxo-2-buten-1 -yl]amino}-7-cyclopropylmethoxy-quinazoline, 4-[(R)-(1-phenyl-ethyl)amino]-6-{[4-(N,N-bis-(2-methoxy-ethyl)-amino)-1-oxo-2-buten-1-yl]amino}-7-cyclopropylmethoxy-quinazoline, 4-[(f?)-(1-phenyl-ethyl)amino]-6-({4-[N-(2-methoxy-ethyl)-N-ethyl-amino]-1-oxo-2-buten-1-yl}amino)-7-cyclopropylmethoxy-quinazoline, 4-[(/?)-(1-phenyI-ethyl)amino]-6-({4-[N-(2-methoxy-ethyl)-N-methyl-amino]-1-oxo-2-buten-1-yl}amino)-7-cyclopropylmethoxy-quinazoline, 4-[(R)-(1-phenyl-ethyl)amino]-6-({4-[N-(tetrahydropyran-4-yl)-N-methyl-amino]-1-oxo-2-buten-1-yl}amino)-7-cyclopropylmethoxy-quinazoline, 4-[(3-chloro-4-fluorophenyl)amino]-6-{[4-(N,N-dimethylamino)-1 -oxo-2-buten-1 -yl]amino}-7-((R)-tetrahydrofuran-3-yloxy)-quinazoline, 4-[(3-chloro-4-fluorophenyl)amino]-6-{[4-(N,N-dimethylamino)-1-oxo-2-buten-1-yl]amino}-7-((S)-tetrahydrofurari-3-yloxy)-quinazoline, 4-[(3-chloro-4-fluorophenyl)amino]-6-({4-[N-(2-methoxy-ethyl)-N-methyl-amino]-1-oxo-2-buten-1-yl}amino)-7-cyclopentyloxy-quinazoline, 4-[(3-chloro-4-fluorophenyl)amino]-6-{[4-(N-cyclopropyl-N-methyl-amino)-1-oxo-2-buten-l-ylJaminoJ-7-cyclopentyloxy-quinazoline, 4-[(3-chloro-4-fluorophenyl)amino]-6-{[4-(N,N-dimethylamino)-1-oxo-2-buten-1-yl]amino}-7-[(R)-(tetrahydrofuran-2-yl)methoxy]-quinazoline, and 4-[(3-chloro-4-fluorophenyl)amino]-6-{[4-(N,N-dimethylamino)-1-oxo-2-buten-1-yl]amino}-7-[(S)-(tetrahydrofuran-2-yl)methoxy]-quinazoline, optionally in the form of the physiologically acceptable acid addition salts thereof.
Preferred EGFR kinase inhibitors 2 are selected from among: 4-[(3-chloro-4-fluoro-phenyi)aminoJ-7-(2-{4-[(S)-(2-oxo-tetrahydrofuran-5-yl)-carbonyl]-piperazin-1-yl}-ethoxy)-6-[(vinylcarbonyl)amino]-quinazoline, 4-[(3-chloro-4-fluoro-phenyl)amino]-7-[2-((S)-6-methyl-2-oxo-morpholin-4-yl)-ethoxy]-6-[(vinylcarbonyl)amino]-quinazoline, 4-[(3-chloro-4-fluoro-phenyl)amino]-7-[4-((R)-6-methyl-2-oxo-morpholin-4-yl)-butyloxy]-6-[(vinylcarbonyl)amino]-quinazoline, 4-[(3-chloro-4-fluoro-phenyl)amino]-7-[4-((S)-6-methyl-2-oxo-morpholin-4-yl)-butyloxy]-6-[(vinylcarbonyl)amino]-quinazoline, Intellectual Property Office of N.Z. 2 0 OCT 2006 received 4 4-[(3-chloro-4-fluoro-phenyi)amino]-6-{[4-((R)-6-methyl-2-oxo-morpholin-4-yl)-1-oxo-2-buten-1-yl]amino}-7-cyclopropylmethoxy-quinazoline, 4-[(3-chloro-4-fluoro-phenyl)amino]-6-{[4-((R)-6-methyl-2-oxo-morpholin-4-yl)-1-oxo- 2-buten-1-yl]amino}-7-[(S)-(tetrahydrofuran-3-yl)oxy]-quinazoline, 4-[(3-chloro-4-fluoro-phenyl)amino]-6-{[4-((R)-2-methoxymethyl-6-oxo-morpholin-4- yl)-1 -oxo-2-buten-1 -yl]amino}-7-cyclopropylmethoxy-quinazoline, 4-[(3-chloro-4-fluoro-phenyl)amino]-6-[2-((S)-6-methyl-2-oxo-morpholin-4-yl)-ethoxy]- 7-methoxy-quinazoline, 4-[(3-chloro-4-fluorophenyl)amino]-6-({4-[N-(2-methoxy-ethyl)-N-methyl-amino]-1-oxo-2-buten-1-yl}amino)-7-cyclopropylmethoxy-quinazoline, 4-[(3-chloro-4-fluorophenyl)amino]-6-{[4-(N,N-dimethylamino)-1-oxo-2-buten-1-yl]amino}-7-cyclopentyloxy-quinazoline, 4-[(R)-( 1 -phenyl-ethyl)amino]-6-{[4-(N, N-bis-(2-methoxy-ethyl)-amino)-1 -oxo-2-buten-l-yllaminoJ-7-cyclopropylmethoxy-quinazoline, 4-[(R)-(1-phenyl-ethyl)amino]-6-({4-[N-(2-methoxy-ethyl)-N-ethyl-amino]-1-oxo-2-buten-1-yl}amino)-7-cyclopropylmethoxy-quinazoline, 4-[(R)-( 1 -phenyl-ethyl)amino]-6-({4-[N-(2-methoxy-ethyl)-N-methyl-amino]-1 -oxo-2-buten-1-yl}amino)-7-cyclopropyimethoxy-quinazoline, 4-[(R)-(1-phenyl-ethyl)amino]-6-({4-[N-(tetrahydropyran-4-yl)-N-methyl-amino]-1-oxo-2-buten-1-yl}amino)-7-cyclopropylmethoxy-quinazoline, 4-[(3-chloro-4-fluorophenyl)amino]-6-{[4-(N>N-dimethylannino)-1-oxo-2-buten-1-yl]amino}-7-((R)-tetrahydrofuran-3-yloxy)-quinazoline, 4-[(3-chloro-4-fluorophenyl)amino]-6-{[4-(N, N-dimethylamino)-1 -oxo-2-buten-1 -yl]amino}-7-((S)-tetrahydrofuran-3-yloxy)-quinazoline) 4-[(3-chloro-4-fluorophenyl)amino3-6-({4-[N-(2-methoxy-ethyI)-N-methyl-amino]-1-oxo-2-buten-1-yl}amino)-7-cyclopentyloxy-quinazoline, 4-[(3-chloro-4-fIuorophenyl)amino]-6-{[4-(N-cyclopropyl-N-methyl-amino)-1-oxo-2-buten-1 -yl]amino}-7-cyclopentyloxy-quinazoline, 4-[(3-chloro-4-fluorophenyl)amino]-6-{[4-(N, N-dimethylamino)-1 -oxo-2-buten-1 - yl]amino}-7-[(R)-(tetrahydrofuran-2-yl)methoxy3-quinazoline) and 4-[(3-chloro-4-fluorophenyI)amino]-6-{[4-(N,N-dimethylamino)-1-oxo-2-buten-1- yl]amino}-7-[(S)-(tetrahydrofuran-2-yl)methoxy]-quinazolineI optionally in the form of the physiologically acceptable acid addition salts thereof.
Pharmaceutical composition according to any one of claims 1 to 6, wherein 2 is selected from among 4-[(3-chloro-4-fluoro-phenyl)amino]-7-[4-((R)-6-methyl-2-oxo-morpholin-4-yl)- butyloxy]-6-[(vinylcarbonyI)amino]-quinazoline, Intellectual Property Office of N.Z. 2 0 OCT 2006 received 4-[(3-chloro-4-fluoro-phenyl)amino]-7-[4-((S)-6-methyl-2-oxo-morpholin-4-yl)-butyloxy]-6-[(vinylcarbonyl)amino]-quinazoline, 4-[(3-chloro-4-fluoro-phenyl)amino]-7-(2-{4-[(S)-(2-oxo-tetrahydrofuran-5-yl)- carbonyl]-piperazin-1-yl}-ethoxy)-6-[(vinylcarbonyl)amino]-qiiinazoline, 4-[(3-chloro-4-fluoro-phenyl)amino]-7-[2-((S)-6-methyl-2-oxo-morpholin-4-yl)-ethoxy]- 6-[(vinylcarbonyl)amino]-quinazoline, and 4-[3-chloro-4-fluoro-phenyl)amino]-6-[2-((S)-6-methyl-2-oxo-morpholin-4-yl)-ethoxy]- 7-methoxy-quinazoline, optionally in the form of the physiologically acceptable acid addition salts thereof.
Intellectual Property Office of N.Z. 2 0 OCT 2006 BFREIVEP Any reference to the abovementioned EGFR kinase inhibitors 2 also includes within the scope of the present invention a reference to any pharmacologically acceptable acid addition salts thereof which may exist.
By physiologically or pharmacologically acceptable acid addition salts which may be formed from 2 are meant according to the invention pharmaceutical^ acceptable salts which are selected from the salts of hydrochloric acid, hydrobromic acid, sulphuric acid, phosphoric acid, methanesulphonic acid, acetic acid, fumaric acid, succinic acid, lactic acid, citric acid, tartaric acid or maleic acid. According to the invention, the salts of the compounds 2 selected from among the salts of acetic acid, hydrochloric acid, hydrobromic acid, sulphuric acid, phosphoric acid and methanesulphonic acid are preferred.
The pharmaceutical combinations of ± and 2 according to the invention are preferably administered by inhalation. Suitable inhalabie powders packed into suitable capsules (inhalettes) may be administered using suitable powder inhalers. Alternatively, the drug may be inhaled by the application of suitable inhalation aerosols. These also include powdered inhalation aerosols which comprise HFA134a, HFA227 or a mixture thereof as propellant gas, for example. The drug may also be inhaled using suitable solutions of the pharmaceutical combination consisting of 1 and 2.
In one aspect, therefore, the invention relates to a pharmaceutical composition which comprises a combination of 1 and 2.
In another aspect the present invention relates to a pharmaceutical composition which comprises one or more salts 1 and one or more compounds 2, optionally in the form of their solvates or hydrates. The active substances may be combined in a single preparation or contained in two separate formulations.
Pharmaceutical compositions which comprise the active substances 1 and 2 in a single preparation are preferred according to the invention.
In another aspect the present invention relates to a pharmaceutical composition which comprises, in addition to therapeutically effective quantities of 1 and 2, a pharmaceutical^ acceptable carrier or excipient. In another particularly preferred aspect the present invention relates to a pharmaceutical composition which does not comprise any pharmaceutically acceptable excipient in addition intellectual property office of n.z. 19 APR 2006 RFHFIVED to therapeutically effective quantities of 1 and 2.
The present invention also relates to the use of 1 and 2 for preparing a pharmaceutical composition comprising therapeutically effective quantities of 1 and 2 for treating inflammatory and/or obstructive diseases of the respiratory tract, particularly asthma or chronic obstructive pulmonary disease (COPD), as well as complications thereof such as pulmonary hypertension, as well as allergic and non-allergic rhinitis, provided that treatment with EGFR kinase inhibitors is not contraindicated from a therapeutic point of view, by simultaneous or successive administration.
The present invention also relates to the simultaneous or successive use of therapeutically effective doses of the combination of the above pharmaceutical compositions 1 and 2 for treating inflammatory and/or obstructive diseases of the respiratory tract, particularly asthma or chronic obstructive pulmonary disease (COPD), as well as complications thereof such as pulmonary hypertension, as well as allergic and non-allergic rhinitis, provided that treatment with EGFR kinase inhibitors is not contraindicated from a therapeutic point of view, by simultaneous or successive administration.
In the active substance combinations of 1 and 2 according to the invention, ingredients 1 and 2 may be present in the form of their enantiomers, mixtures of enantiomers or in the form of racemates.
The proportions in which the active substances ± and 2 may be used in the active substance combinations according to the invention are variable. Active substances 1 and 2 may possibly be present in the form of their solvates or hydrates.
Depending on the choice of the compounds 1 and 2, the weight ratios which may be used within the scope of the present invention vary on the basis of the different molecular weights of the various compounds and their different potencies. As a rule, the pharmaceutical combinations according to the invention may comprise compounds 1 and 2 in ratios by weight ranging from 1:800 to 20:1, preferably from 1:600 to 10:1.
In the particularly preferred pharmaceutical combinations which comprise tiotropium salt as compound 1 and a compound selected from among 4-[(3-chloro-4-fluoro-phenyl)amino]-7-[4-((R)-6-methyl-2-oxo-morpholin-4-yl)-butyloxy]-6-[(vinylcarbonyl)amino]-quinazoline, 4-[(3-chloro-4-fluoro-phenyl)amino]-7- intellectual property offjcfc of n.z. 16 APR 2006 Dcncn/cr, 8 [4-((S)-6-methyl-2-oxo-morpholin-4-yl)-butyloxy]-6-[(vinylcarbonyl)amino]-quinazoline, 4-[(3-chloro-4-fluoro-phenyl)amino]-7-(2-{4-[(S)-(2-oxo-tetrahydrofuran-5-yl)carbonyl]-piperazin-1-yl}-ethoxy)-6-[(vinylcarbonyl)amino]-quinazoiine, 4-[(3-chloro-4-fluoro-phenyl)amino]-7-[2-((S)-6-methyl-2-oxo-morpholin-4-yl)-ethoxy]-6-[(vinylcarbonyl)amino]-quinazoline, 4-[(3-chloro-4-fluorophenyl)amino]-6-[(4-{N-[2-(ethoxycarbonyl)-ethyl]-N-[(ethoxycarbonyl)methyl]amino}-1-oxo-2-buten-1-yl)amino]-7-cyclopropylmethoxy-quinazoline, 4-[(R)-(1-phenyl-ethyl)amino]-6-{[4-(morpholin-4-yl)-1-oxo-2-buten-1-yl]amino}-7-cyclopropylmethoxy-quinazoline and 4-[(3-chloro-4-fluorophenyl)amino]-6-[3-(morpholin-4-yl)-propyloxy]-7-methoxy-quinazoline as EGFR kinase inhibitors 2, the weight ratios of 1. to 2 are preferably in a range wherein tiotropium V and 2 is present in proportions ranging from 1:500 to 5:1, more preferably from 1:450 to 1:1, most preferably from 1:400 to 1:100.
For example and without restricting the scope of the invention thereto, preferred combinations of 1 and 2 according to the invention may comprise tiotropium V and EGFR kinase inhibitors 2 in the following weight ratios: 1:200, 1:205, 1:210, 1:215, 1:220, 1:225, 1:230, 1:235, 1:240, 1:245, 1:250, 1:255, 1:260, 1:265, 1:270, 1:275, 1:280, 1:285, 1:290, 1:295, 1:300, 1:305, 1:310, 1:315, 1:320, 1:325, 1:330, 1:335, 1:340, 1:345, 1:350.
The pharmaceutical compositions according to the invention comprising the combinations of i and 2 are normally used so that 1 and 2 may be present together in doses from 1000 to 100000 pg, preferably from 1500 to 50000 pg, more preferably from 2000 to 10000pg, even more preferably from 2500 to 7500pg per single dose.
For example combinations of 1 and 2 according to the invention comprise an amount of tiotropium Y and EGFR kinase inhibitors 2_such that the total dosage per single dose is 2500pg, 2550pg, 2600pg, 2650pg, 2700pg, 2750pg, 2800pg, 2850}jg, 2900pg, 2950ijg, 3000pg, 3050)jg, 3100pg, 3150pg, 3200pg, 3250pg, 3300pg, 3350pg, 3400pg, 3450pg, 3500|jg, 3550pg, 3600pg, 3650pg, 3700pg, 3750pg, 3800pg, 3850pg, 3900|jg, 3950pg, 4000pg, 4050pg, 4100|jg, 4150|jg, 4200|jg, 4250pg, 4300|jg, 4350pg, 4400pg, 4450pg, 4500pg, 4550pg, 4600pg, 4650pg, 4700pg, 4750pg, 4800pg, 4850pg, 4900|jg, 4950|jg, 5000pg, 5050pg, 5100pg, 5150|jg, 5200pg, 5250pg, 5300pg, 5350pg, 5400pg, 5450|jg, 5500pg, 5550|jg, 5600pg, 5650pg, 5700pg, 5750pg, 5800pg, 5850pg, 5900pg, 5950pg, 6000pg, 6050pg, 6100pg, 6150pg, 6200|jg, 6250pg, 6300pg, 6350pg, 6400pg, 6450pg, 6500pg, 6550|jg, 6600pg, 6650pg, 6700pg, 6750pg, 6800pg, 6850pg, 6900pg, 6950pg, 7000pg, 7050pg, 7100pg, 7150pg, 7200pg, 7250pg, 7300pg, 7350|jg, 7400pg, 7450pg, 7500pg or the like.
} INTELLECTUAL property offict of n.z. 19 APR 2006 ■ RECEIVED 9 These proposed dosages per single dose are not to be regarded as being restricted to the numerical values explicitly mentioned but are merely disclosed by way of example. Obviously, dosages which fluctuate around these values within a range of about +/- 25pg are also covered by the values mentioned by way of example. In these dosage ranges the active substances Y and 2 may be present in the weight ratios described above.
For example and without restricting the scope of the invention thereto, the combinations of 1 and 2 according to the invention may comprise an amount of tiotropium Y and EGFR kinase inhibitor 2 such that 5pg of Y and 2500|jg of 2, 5pg of V and 3000|jg of 2, 5pg of Y and 3500|jg of 2, 5pg of V and 4000|jg of 2, 5|jg of rand 4500|jg of 2, 5pg of Y and 5000|jg of 2, 5|jg of jT and 5500pg of 2, 5pg of rand 6000|jg of 2, 5|jg of Y and 6500|jg of 2, 5pg of Y and 7000|jg of 2, 10pg of r and 2500pg of 2, 10|jg of Y and 3000|jg of 2, 10pg of Y and 3500|jg of 2, 10fjg of r and 4000pg of 2, 10pg of Y and 4500pg of 2, 10pg of Y and 5000|jg of 2, 10(jg of Y and 5500|jg of 2, 10(jg of Y and 6000|jg of 2, 10pg of Y and 6500|jg of 2, 10pg of Y and 7000|jg of 2, 18pg of Y and 2500pg of 2, 18pg of r and 3000ijg of 2, 18pg of Y and 3500pg of 2, 18pg of Y and 4000|jg of 2, 18pg of r and 4500pg of 2, 18jjg of Y and 5000|jg of 2, 18pg of Y and 5500|jg of 2, 18pg of r and 6000|jg of 2, 18|jg of Y and 6500|jg of 2, 18pg of Y and 7000|jg of 2, 20|jg of Y and 2500|jg of 2, 20jjg of Y and 3000pg of 2, 20pg of Y and 3500|jg of 2, 20|jg of r and 4000pg of 2, 20|jg of Y and 4500|jg of 2, 20pg of r and 5000|jg of 2, 20pg of Y and 5500pg of 2, 20pg of Y and 6000pg of 2, 20pg of r and 6500|jg of 2, 20|jg of Y and 7000|jg of 2, 36pg of Y and 2500pg of 2, 36jjg of r and 3000|jg of 2, 36pg of r and 3500(jg of 2, 36Mg of Y and 4000|jg of 2, 36|jg of Y and 4500pg of 2, 36|jg of Y and 5000(jg of 2, 36|jg of Y and 5500|jg of 2, 36pg of Y and 6000pg of 2, 36pg of Y and 6500|jg of 2, 36|jg of r and 7000|jg of 2, 40pg of Y and 2500pg of 2, 40pg of Y and 3000pg of 2, 40pg of r and 3500|jg of 2, 40|jg of Y and 4000|jg of 2, 40|jg of Y and 4500|jg of 2, 40pg of r and 5000|jg of 2, 40pg of Y and 5500|jg of 2 or 40jjg of r and intellectual property office of n.z. 12 APR 2006 ' RECEIVED 6000pg of 2, 40|jg of V and 6500|jg of 2, 40(jg of V and 7000|jg of 2 are administered per single dose.
If the active substance combination wherein 1 denotes tiotropium bromide is used as the preferred combination of 1 and 2 according to the invention, the quantities of active substances V and 2 administered per single dose as specified by way of example correspond to the following quantities of 1 and 2 administered: 6jjg of 1 and 2500|jg of 2, 6|jg of 1 and 3000pg of 2, 6pg of 1 and 3500pg of 2, 6(jg of 1 and 4000|jg of 2, 6|jg of 1 and 4500|jg of 2, 6(jg of 1 and 5000|jg of 2, 6pg of 1 and 5500pg of 2, 6pg of 1 and 6000|jg of 2, 6pg of 1 and 6500|jg of 2, 6fjg of 1 and 7000(jg of 2, 12pg of 1 and 2500ijg of 2, 12(jg of 1 and 3000pg of 2, 12pg of 1 and 3500|jg of 2, 12|jg of 1 and 4000|jg of 2, 12|jg of X and 4500|jg of 2, 12|jg of 1 and 5000|jg of 2, 12|jg of 1 and 5500pg of 2, 12pg of 1 and 6000pg of 2, 12|jg of 1 and 6500pg of 2, 12pg of 1 and 7000pg of 2, 21.7pg of i and 2500|jg of 2, 21.7|jg of 1 and 3000|jg of 2, 21.7pg of 1 and 3500pg of 2, 21.7|jg of 1 and 4000pg of 2, 21.7pg of 1 and 4500[jg of 2, 21.7[jg of 1 and 5000|jg of 2, 21,7|jg of 1 and 5500|jg of 2, 21.7(jg of 1 and 6000pg of 2, 21 -7jjg of 1 and 6500pg of 2, 21.7(jg of 1 and 7000|jg of 2, 24.1pg of 1 and 2500|jg of 2, 24.1 |jg of 1 and 3000pg of 2, 24.1 |jg of 1 and 3500pg of 2, 24.1 pg of 1 and 4000pg of 2, 24.1 pg of 1 and 4500pg of 2, 24.1 pg of 1 and 5000pg of 2, 24.1 pg of 1 and 5500pg of 2, 24.1 pg of 1 and 6000pg of 2, 24.1 pg of 1 and 6500pg of 2, 24.1 pg of 1 and 7000pg of 2, 43.3pg of 1 and 2500pg of 2, 43.3pg of 1 and 3000pg of 2, 43.3pg of 1 and 3500pg of 2, 43.3pg of 1 and 4000pg of 2, 43.3pg of 1 and 4500pg of 2, 43.3pg of 1 and 5000pg of 2, 43.3pg of 1 and 5500pg of 2, 43.3pg of 1 and 6000pg of 2, 43.3pg of 1 and 6500pg of 2, 43.3pg of 1 and 7000pg of 2, 48.1 pg of 1 and 2500pg of 2, 48.1 pg of 1 and 3000pg of 2, 48.1 pg of 1 and 3500pg of 2, 48.1 pg of 1 and 4000pg of 2, 48.1 pg of ± and 4500pg of 2, 48.1pg of 1 and 5000pg of 2, 48.1pg of 1 and 5500pg of 2, 48.1 pg of 1 and 6000pg of 2, 48.1 pg of 1 and 6500pg of 2 or 48.1 pg of 1 and 7000pg of 2.
If the active substance combination wherein 1 denotes tiotropium bromide monohydrate is used as the preferred combination of land 2 according to the invention, the quantities of active substances V and 2 administered per single dose as mentioned above by way of example correspond to the following quantities of 1 and 2 administered per single dose: 6.2pg of 1 and 2500pg of 2, 6.2pg of 1 and 3000pg of 2, 6.2pg of 1 and 3500pg of 2, 6.2pg of 1 and 11 4000|jg of 2, 6.2pg of 1 and 4500pg of 2, 6.2|jg of 1 and 5000|jg of 2, 6.2pg of 1 and 5500|jg of 2, 6.2pg of 1 and 6000pg of 2, 6.2pg of 1 and 6500|jg of 2, 6.2|jg of 1 and 7000|jg of 2, 12.5(jg of 1 and 2500|jg of 2, 12.5|jg of 1 and 3000|jg of 2, 12.5|jg of 1 and 3500pg of 2, 12.5pg of land 4000(jg of 2, 12.5|jg of 1 and 4500|jg of 2, 12.5|jg of 1 and 5000|jg of 2, 12.5|jg of 1 and 5500|jg of 2, 12.5pg of 1 and 6000pg of 2, 12.5|jg of 1 and 6500|jg of 2, 12.5pg of 1 and 7000pg of 2, 22.5|jg of 1 and 2500|jg of 2, 22.5|jg of 1 and 3000|jg of 2, 22.5pg of 1 and 3500|jg of 2, 22.5|jg of 1 and 4000|jg of 2, 22.5|jg of 1 and 4500|jg of 2, 22.5|jg of 1 and 5000pg of 2, 22.5pg of 1 and 5500pg of 2, 22.5pg of 1 and 6000(jg of 2, 22.5(jg of 1 and 6500(jg of 2, 22.5pg of 1 and 7000pg of 2, 25pg of 1 and 2500pg of 2, 25pg of 1 and 3000|jg of 2, 25pg of 1 and 3500pg of 2, 25pg of 1 and 4000pg of 2, 25pg of 1 and 4500|jg of 2, 25pg of 1 and 5000pg of 2, 25(jg of 1 and 5500pg of 2, 25pg of 1 and 6000|jg of 2, 25pg of 1 and 6500|jg of 2, 25pg of 1 and 7000|jg of 2, 45pg of 1 and 2500|jg of 2, 45pg of 1 and 3000|jg of 2, 45pg of 1 and 3500pg of 2, 45pg of 1 and 4000|jg of 2, 45pg of 1 and 4500|jg of 2, 45pg of 1 and 5000|jg of 2, 45pg of 1 and 5500pg of 2, 45pg of 1 and 6000|jg of 2, 45|jg of 1 and 6500pg of 2, 45pg of 1 and 7000|jg of 2, 50pg of 1 and 2500pg of 2, 50|jg of 1 and 3000|jg of 2, 50pg of 1 and 3500|jg of 2, 50|jg of 1 and 4000|jg of 2, 50|jg of 1 and 4500pg of 2, 50pg of 1 and 5000|jg of 2, 50pg of 1 and 5500|jg of 2, 50|jg of 1 and 6000pg of 2, 50|jg of 1 and 6500pg of 2 or 50pg of 1 and 7000|jg of 2.
The active substance combinations of 1 and_2 according to the invention are preferably administered by inhalation. For this purpose, ingredients 1 and_2 have to be made available in forms suitable for inhalation. Inhalable preparations include inhalable powders, propellant-containing metering aerosols or propellant-free inhalable solutions. Inhalable powders according to the invention comprising the combination of active substances 1 and_2 may consist of the active substances on their own or of a mixture of the active substances with physiologically acceptable excipients. Within the scope of the present invention the term carrier may optionally be used instead of the term excipient. Within the scope of the present invention, the term propellant-free inhalable solutions also includes concentrates or sterile inhalable solutions ready for use. The preparations according to the invention may comprise the combination of active substances 1 and 2 either together in one formulation or in two or three separate formulations. These formulations which may be used within the scope of the present invention are described in more detail in the next part of the specification. intellectual property OFFICE Or to.1 1 9 AK 2006 A) Inhalable powder comprising the combinations of active substances 1_and 2 according to the invention: The inhalable powders according to the invention may comprise 1_and 2 either on their own or in admixture with suitable physiologically acceptable excipients.
If the active substances 1_and 2 are present in admixture with physiologically acceptable excipients, the following physiologically acceptable excipients may be used to prepare these inhalable powders according to the invention: monosaccharides (e.g. glucose or arabinose), disaccharides (e.g. lactose, saccharose, maltose), oligo- and polysaccharides (e.g. dextran), polyalcohols (e.g. sorbitol, mannitol, xylitol), salts (e.g. sodium chloride, calcium carbonate) or mixtures of these excipients. Preferably, mono- or disaccharides are used, while the use of lactose or glucose is preferred, particularly, but not exclusively, in the form of their hydrates. For the purposes of the invention, lactose is the particularly preferred excipient, while lactose monohydrate is most particularly preferred.
Within the scope of the inhalable powders according to the invention the excipients have a maximum average particle size of up to 250|jm, preferably between 10 and 150pm, most preferably between 15 and 80pm. It may sometimes seem appropriate to add finer excipient fractions with an average particle size of 1 to 9pm to the excipient mentioned above. These finer excipients are also selected from the group of possible excipients listed hereinbefore. Finally, in order to prepare the inhalable powders according to the invention, micronised active substance 1_and 2, preferably with an average particle size of 0.5 to 10|j.m, more preferably from 1 to 6(j.m, is added to the excipient mixture. Processes for producing the inhalable powders according to the invention by grinding and micronising and by finally mixing the ingredients together are known from the prior art. The inhalable powders according to the invention may be prepared and administered either in the form of a single powder mixture which comprises both 1 and 2 or in the form of separate inhalable powders which comprise only \ or 2.
The inhalable powders according to the invention may be administered using inhalers known from the prior art. Inhalable powders according to the invention which comprise a physiologically acceptable excipient in addition to 1_and 2 may be administered, for example, by means of inhalers which deliver a single dose from a supply using a measuring chamber as described in US 4570630A, or by other means as described in DE 36 25 685 A. Preferably, the inhalable powders according to the invention which comprise physiologically acceptable excipients in addition to 1 riNTELLECTUAL PHOPERTYOFRC^ OF Ml I \ 9 APR 2006 13 and 2 are packed into capsules (to produce so-called inhalettes) which are used in inhalers as described, for example, in WO 94/28958.
A particularly preferred inhaler for using the pharmaceutical combination according to the invention in inhalettes is shown in Figure 1.
This inhaler (Handyhaler) for inhaling powdered pharmaceutical compositions from capsules is characterised by a housing 1 comprising two windows 2, a deck 3 in which there are air inlet ports and which is provided with a screen 5 secured via a screen housing 4, an inhalation chamber 6 connected to the deck 3 on which there is a push button 9 provided with two sharpened pins 7 and movable counter to a spring 8, and a mouthpiece 12 which is connected to the housing 1, the deck 3 and a cover 11 via a spindle 10 to enable it to be flipped open or shut and air holes 13 for adjusting the flow resistance.
If the inhalable powders according to the invention are packed into capsules (inhalers) for the preferred use described above, the quantities packed into each capsule should be 1 to 50mg, preferably 3 to 45mg, more particularly 5 to 40mg of inhalable powder per capsule. These capsules comprise, according to the invention, either together or separately, the doses of V_and 2 mentioned hereinbefore for each single dose.
B) Propellant gas-driven inhalation aerosols comprising the combinations of active substances 1_and 2: Inhalation aerosols comprising propellant gas according to the invention may comprise substances 1_and 2 dissolved in the propellant gas or in dispersed form. 1 and 2 may be present in separate formulations or in a single preparation, in which X and 2 are either each dissolved, dispersed or only one or two of the components is or are dissolved and the other or others is or are dispersed. The propellant gases which may be used to prepare the inhalation aerosols according to the invention are known from the prior art. Suitable propellant gases are selected from among hydrocarbons such as n-propane, n-butane or isobutane and halohydrocarbons such as fluorinated derivatives of methane, ethane, propane, butane, cyclopropane or cyclobutane. The propellant gases mentioned above may be used on their own or in mixtures thereof. Particularly preferred propellant gases are halogenated alkane derivatives selected from TG11.TG12, TG134a and TG227. Of the abovementioned intellectual property office of n.z. 19 APR 2006 — — ^ i-iur halogenated hydrocarbons, TG134a (1,1,1,2-tetrafluoroethano) and TG227 (1,1,1,2,3,3,3-heptafluoropropane) and mixtures thereof are preferred according to the invention.
The propellant-driven inhalation aerosols according to the invention may also comprise other ingredients such as co-solvents, stabilisers, surfactants, antioxidants, lubricants and pH adjusters. All these ingredients are known in the art.
The inhalation aerosols comprising propellant gas according to the invention may comprise up to 5 wt.-% of active substance 1 and 2. Aerosols according to the invention comprise, for example, 0.002 to 5 wt.-%, 0.01 to 3 wt.-%, 0.015 to 2 wt.-%, 0.1 to 2 wt.-%, 0.5 to 2 wt.-% or 0.5 to 1 wt.-% of active substance 1 and/or 2.
If the active substances i and/or 2 are present in dispersed form, the particles of active substance preferably have an average particle size of up to lO^m, preferably from 0.1 to 5(j,m, more preferably from 1 to 5|j.m.
The propellant-driven inhalation aerosols according to the invention mentioned above may be administered using inhalers known in the art (MDIs = metered dose inhalers). Accordingly, in another aspect, the present invention relates to pharmaceutical compositions in the form of propellant-driven aerosols as hereinbefore described combined with one or more inhalers suitable for administering these aerosols. In addition, the present invention relates to inhalers which are characterised in that they comprise the propellant gas-containing aerosols described above according to the invention. The present invention also relates to cartridges which are fitted with a suitable valve and can be used in a suitable inhaler and which comprise one of the above-mentioned propellant gas-containing inhalation aerosols according to the invention. Suitable cartridges and methods of filling these cartridges with the inhalable aerosols comprising propellant gas according to the invention are known from the prior art.
C) Propellant-free inhalable solutions or suspensions comprising the combinations of active substances 1_and 2 according to the invention: It is particularly preferred to use the active substance combination according to the invention in the form of propellant-free inhalable solutions and suspensions. The intellectual property office of n.z. 19 APR 2006 solvent used may be an aqueous or alcoholic, preferably an ethanolic solution. The solvent may be water on its own or a mixture of water and ethanol. The relative proportion of ethanol compared with water is not limited but the maximum is up to 70 percent by volume, more particularly up to 60 percent by volume and most preferably up to 30 percent by volume. The remainder of the volume is made up of water. The solutions or suspensions comprising 1_and 2, separately or together, are adjusted to a pH of 2 to 7, preferably 2 to 5, using suitable acids. The pH may be adjusted using acids selected from inorganic or organic acids. Examples of suitable inorganic acids include hydrochloric acid, hydrobromic acid, nitric acid, sulphuric acid and/or phosphoric acid. Examples of particularly suitable organic acids include ascorbic acid, citric acid, malic acid, tartaric acid, maleic acid, succinic acid, fumaric acid, acetic acid, formic acid and/or propionic acid etc. Preferred inorganic acids are hydrochloric and sulphuric acids. It is also possible to use the acids which have already formed an acid addition salt with one of the active substances. Of the organic acids, ascorbic acid, fumaric acid and citric acid are preferred. If desired, mixtures of the above acids may be used, particularly in the case of acids which have other properties in addition to their acidifying qualities, e.g. as flavourings, antioxidants or complexing agents, such as citric acid or ascorbic acid, for example. According to the invention, it is particularly preferred to use hydrochloric acid to adjust the pH.
According to the invention, the addition of editic acid (EDTA) or one of the known salts thereof, sodium edetate, as stabiliser or complexing agent is unnecessary in the present formulation. Other embodiments may comprise this compound or these compounds. In a preferred embodiment the content based on sodium edetate is less than 100 mg/100ml, preferably less than 50mg/100ml, more preferably less than 20mg/100ml. Generally, inhalable solutions in which the content of sodium edetate is from 0 to 10mg/100ml are preferred.
Co-solvents and/or other excipients may be added to the propellant-free inhalable solutions according to the invention. Preferred co-solvents are those which comprise hydroxyl groups or other polar groups, e.g. alcohols - particularly isopropyl alcohol, glycols - particularly propyleneglycol, polyethyleneglycol, polypropyleneglycol, glycolether, glycerol, polyoxyethylene alcohols and polyoxyethylene fatty acid esters. The terms excipients and additives in this context denote any pharmacologically acceptable substance which is not an active substance but which can be formulated with the active substance or substances in the physiologically suitable solvent in order to improve the qualitative properties of intellectual property office of n.z. 19 APR 2006 the active substance formulation. Preferably, these substances have no pharmacological effect or, in connection with the desired therapy, no appreciable or at least no undesirable pharmacological effect. The excipients and additives include, for example, surfactants such as soya lecithin, oleic acid, sorbitan esters, such as polysorbates, polyvinylpyrrolidone, other stabilisers, complexing agents, antioxidants and/or preservatives which guarantee or prolong the shelf life of the finished pharmaceutical formulation, flavourings, vitamins and/or other additives known in the art. The additives also include physiologically acceptable salts such as sodium chloride as isotonic agents.
The preferred excipients include antioxidants such as ascorbic acid, for example, provided that it has not already been used to adjust the pH, vitamin A, vitamin E, tocopherols and similar vitamins and provitamins occurring in the human body.
Preservatives may be used to protect the formulation from contamination with pathogens. Suitable preservatives are those which are known in the art, particularly cetyl pyridinium chloride, benzalkonium chloride or benzoic acid or benzoates such as sodium benzoate in the concentration known from the prior art. The preservatives mentioned above are preferably present in concentrations of up to 50mg/100ml, more preferably between 5 and 20mg/100ml.
Preferred formulations comprise, in addition to the solvent water and the combination of active substances JLand 2, only benzalkonium chloride and sodium edetate. In another preferred embodiment, no sodium edetate is present.
The propellant-free inhalable solutions according to the invention are administered in particular using inhalers of the kind which are capable of nebulising a small amount of a liquid formulation in the required therapeutic dose within a few seconds to produce an aerosol suitable for therapeutic inhalation. Within the scope of the present invention, preferred nebulisers are those in which a quantity of less than 10O^iL, preferably less than 50|j.L, more preferably between 20 and 30jo.L of active substance solution can be nebulised in preferably one spray action to form an aerosol with an average particle size of less than 20(a,m, preferably less than 10|j.m, in such a way that the inhalable part of the aerosol corresponds to the therapeutically effective quantity.
An apparatus of this kind for propellant-free delivery of a metered quantity of a liquid pharmaceutical composition for inhalation is described for example in International INTELLECTUAL PROPERTY OFFi OF N.Z. 12 APR 2006 17 Patent Application WO 91/14468 and also in WO 97/12687 (cf. in particular Figures 6a and 6b). The nebulisers (devices) described therein are known by the name Respimat®.
This nebuliser (Respimat®) can advantageously be used to produce the inhalable aerosols according to the invention comprising the combination of active substances 1_and 2. Because of its cylindrical shape and handy size of less than 9 to 15 cm long and 2 to 4 cm wide, this device can be carried at all times by the patient. The nebuliser sprays a defined volume of pharmaceutical formulation using high pressures through small nozzles so as to produce inhalable aerosols.
The preferred atomiser essentially consists of an upper housing part, a pump housing, a nozzle, a locking mechanism, a spring housing, a spring and a storage container, characterised by - a pump housing which is secured in the upper housing part and which comprises at one end a nozzle body with the nozzle or nozzle arrangement, - a hollow plunger with valve body, - a power takeoff flange in which the hollow plunger is secured and which is located in the upper housing part, - a locking mechanism situated in the upper housing part, - a spring housing with the spring contained therein, which is rotatably mounted on the upper housing part by means of a rotary bearing, intellectual PROPERTY OFFICE OF n.z 19 APR 2006 18 - a lower housing part which is fitted onto the spring housing in the axial direction.
The hollow plunger with valve body corresponds to a device disclosed in WO 97/12687. It projects partially into the cylinder of the pump housing and is axially movable within the cylinder. Reference is made in particular to Figures 1 to 4, especially Figure 3, and the relevant parts of the description. The hollow plunger with valve body exerts a pressure of 5 to 60 Mpa (about 50 to 600 bar), preferably 10 to 60 Mpa (about 100 to 600 bar) on the fluid, the measured amount of active substance solution, at its high pressure end at the moment when the spring is actuated. Volumes of 10 to 50 microlitres are preferred, while volumes of 10 to 20 microlitres are particularly preferred and a volume of 15 microlitres per spray is most particularly preferred.
The valve body is preferably mounted at the end of the hollow plunger facing the valve body.
The nozzle in the nozzle body is preferably microstructured, i.e. produced by microtechnology. Microstructured valve bodies are disclosed for example in WO-94/07607; reference is hereby made to the contents of this specification, particularly Figure 1 therein and the associated description.
The nozzle body consists for example of two sheets of glass and/or silicon firmly joined together, at least one of which has one or more microstructured channels which connect the nozzle inlet end to the nozzle outlet end. At the nozzle outlet end there is at least one round or non-round opening 2 to 10 microns deep and 5 to 15 microns wide, the depth preferably being 4.5 to 6.5 microns while the length is preferably 7 to 9 microns.
In the case of a plurality of nozzle openings, preferably two, the directions of spraying of the nozzles in the nozzle body may extend parallel to one another or may be inclined relative to one another in the direction of the nozzle opening. In a nozzle body with at least two nozzle openings at the outlet end the directions of spraying may be at an angle of 20 to 160° to one another, preferably 60 to 150°, most preferably 80 to 100°. The nozzle openings are preferably arranged at a spacing of 10 to 200 microns, more preferably at a spacing of 10 to 100 microns, most preferably 30 to 70 microns. Spacings of 50 microns are most preferred. The directions of spraying will therefore meet in the vicinity of the nozzle openings.
The liquid pharmaceutical preparation strikes the nozzle body with an entry pressure of up to 600 bar, preferably 200 to 300 bar, and is atomised into an inhalable aerosol through the nozzle openings. The preferred particle or droplet sizes of the aerosol are up to 20 microns, preferably 3 to 10 microns.
The locking mechanism comprises a spring, preferably a cylindrical helical compression spring, as a store for the mechanical energy. The spring acts on the power takeoff flange as an actuating member the movement of which is determined by the position of a locking member. The travel of the power takeoff flange is precisely limited by an upper and lower stop. The spring is preferably biased, via a power step-up gear, e.g. a helical thrust gear, by an external torque which is produced when the upper housing part is rotated counter to the spring housing in the lower housing part. In this case, the upper housing part and the power takeoff flange have a single or multiple V-shaped gear.
The locking member with engaging locking surfaces is arranged in a ring around the power takeoff flange. It consists, for example, of a ring of plastic or metal which is inherently radially elastically deformable. The ring is arranged in a plane at right angles to the atomiser axis. After the biasing of the spring, the locking surfaces of the locking member move into the path of the power takeoff flange and prevent the spring from relaxing. The locking member is actuated by means of a button. The actuating button is connected or coupled to the locking member. In order to actuate the locking mechanism, the actuating button is moved parallel to the annular plane, preferably into the atomiser; this causes the deformable ring to deform in the annular plane. Details of the construction of the locking mechanism are given in WO 97/20590.
The lower housing part is pushed axially over the spring housing and covers the mounting, the drive of the spindle and the storage container for the fluid.
When the atomiser is actuated the upper housing part is rotated relative to the lower housing part, the lower housing part taking the spring housing with it. The spring is thereby compressed and biased by means of the helical thrust gear and the locking mechanism engages automatically. The angle of rotation is preferably a whole-number fraction of 360 degrees, e.g. 180 degrees. At the same time as the spring is biased, the power takeoff part in the upper housing part is moved along by a given distance, the hollow plunger is withdrawn inside the cylinder in the pump housing, as a result of which some of the fluid is intellectual. property office of n.z. 1S APR 2008 ncr^cix/cn sucked out of the storage container and into the high pressure chamber in front of the nozzle.
If desired, a number of exchangeable storage containers which comprise the fluid to be atomised may be pushed into the atomiser one after another and used in succession. The storage container comprises the aqueous aerosol preparation according to the invention.
The atomising process is initiated by pressing gently on the actuating button. As a result, the locking mechanism opens up the path for the power takeoff member. The biased spring pushes the plunger into the cylinder of the pump housing. The fluid leaves the nozzle of the atomiser in atomised form.
Further details of construction are disclosed in PCT Applications WO 97/12683 and WO 97/20590, to which reference is hereby made.
The components of the atomiser (nebuliser) are made of a material which is suitable for its purpose. The housing of the atomiser and, if its operation permits, other parts as well, are preferably made of plastics, e.g. by injection moulding. For medicinal purposes, physiologically safe materials are used.
Figures 2a/b attached to this patent application, which are identical to Figures 6a/b of WO 97/12687, show the nebuliser (Respimat®) which can advantageously be used for inhaling the aqueous aerosol preparations according to the invention.
Figure 2a shows a longitudinal section through the atomiser with the spring biased while Figure 2b shows a longitudinal section through the atomiser with the spring relaxed.
The upper housing part (51) comprises the pump housing (52) on the end of which is mounted the holder (53) for the atomiser nozzle. In the holder is the nozzle body (54) and a filter (55). The hollow plunger (57) fixed in the power takeoff flange (56) of the locking mechanism projects partially into the cylinder of the pump housing. At its end the hollow plunger carries the valve body (58). The hollow plunger is sealed off by means of the seal (59). Inside the 21 upper housing part is the stop (60) on which the power takeoff flange abuts when the spring is relaxed. On the power takeoff flange is the stop (61) on which the power takeoff flange abuts when the spring is biased. After the biasing of the spring the locking member (62) moves between the stop (61) and a support (63) in the upper housing part. The actuating button (64) is connected to the locking member. The upper housing part ends in the mouthpiece (65) and is sealed off by means of the protective cover (66) which can be placed thereon.
The spring housing (67) with compression spring (68) is rotatably mounted on the upper housing part by means of the snap-in lugs (69) and rotary bearing. The lower housing part (70) is pushed over the spring housing. Inside the spring housing is the exchangeable storage container (71) for the fluid (72) which is to be atomised. The storage container is sealed off by the stopper (73) through which the hollow plunger projects into the storage container and is immersed at its end in the fluid (supply of active substance solution).
The spindle (74) for the mechanical counter is mounted in the covering of the spring housing. At the end of the spindle facing the upper housing part is the drive pinion (75). The slider (76) sits on the spindle.
The nebuliser described above is suitable for nebulising the aerosol preparations according to the invention to produce an aerosol suitable for inhalation.
If the formulation according to the invention is nebulised using the method described above (Respimat®) the quantity delivered should correspond to a defined quantity with a tolerance of not more than 25%, preferably 20% of this amount in at least 97%, preferably at least 98% of all operations of the inhaler (spray actuations). Preferably, between 5 and 30 mg of formulation, most preferably between 5 and 20 mg of formulation are delivered as a defined mass on each actuation.
However, the formulation according to the invention may also be nebulised by means of inhalers other than those described above, e.g. jet stream inhalers.
Accordingly, in a further aspect, the invention relates to pharmaceutical formulations in the form of propellant-free inhalable solutions or suspensions 22 as described above combined with a device suitable for administering these formulations, preferably in conjunction with the Respimat®. Preferably, the invention relates to propellant-free inhalable solutions or suspensions characterised by the combination of active substances 1 and_2 according to the invention in conjunction with the device known by the name Respimat®. In addition, the present invention relates to the above-mentioned devices for inhalation, preferably the Respimat®, wherein they comprise the propellant-free inhalable solutions or suspensions according to the invention as described hereinbefore.
The propellant-free inhalable solutions or suspensions according to the invention may take the form of concentrates or sterile inhalable solutions or suspensions ready for use, as well as the above-mentioned solutions and suspensions designed for use in a Respimat®. Formulations ready for use may be produced from the concentrates, for example, by the addition of isotonic saline solutions. Sterile formulations ready for use may be administered using energy-operated fixed or portable nebulisers which produce inhalable aerosols by means of ultrasound or compressed air by the Venturi principle or other principles.
Accordingly, in another aspect, the present invention relates to pharmaceutical compositions in the form of propellant-free inhalable solutions or suspensions as described hereinbefore which take the form of concentrates or sterile formulations ready for use, combined with a device suitable for administering these solutions, wherein the device is an energy-operated free-standing or portable nebuliser which produces inhalable aerosols by means of ultrasound or compressed air by the Venturi principle or other methods.
Intellectual propf-ATy ofhcT1 of n.z 1 9 APR 2006 23 The Examples which follow serve to illustrate the present invention in more detail without restricting the scope of the invention to the following embodiments by way of example.
Starting materials Tiotropium bromide: The tiotropium bromide used in the following formulation examples may be obtained as described in European Patent Application 418 716 A1.
In order to prepare the inhalable powders according to the invention, crystalline tiotropium bromide monohydrate may also be used. This crystalline tiotropium bromide monohydrate may be obtained by the method described below. .0 kg of tiotropium bromide are placed in 25.7 kg of water in a suitable reaction vessel. The mixture is heated to 80-90°C and stirred at constant temperature until a clear solution is formed. Activated charcoal (0.8 kg) moistened with water is suspended in 4.4 kg of water, this mixture is added to the solution comprising the tiotropium bromide and the resulting mixture is rinsed with 4.3 kg of water. The mixture thus obtained is stirred for at least 15 minutes at 80-90°C and then filtered through a heated filter into an apparatus preheated to an external temperature of 70°C. The filter is rinsed with 8.6 kg of water. The contents of the apparatus are cooled at 3-5°C for every 20 minutes to a temperature of 20-25°C. The apparatus is cooled further to 10-15°C using cold water and crystallisation is completed by stirring for at least another hour. The crystals are isolated using a suction filter dryer, the crystal slurry isolated is washed with 9 litres of cold water (10-15°C) and cold acetone (10-15°C). The crystals obtained are dried at 25°C in a nitrogen current over a period of 2 hours.
Yield: 13.4 kg of tiotropium bromide monohydrate (86% of theory).
The crystalline tiotropium bromide monohydrate thus obtained is micronised by known methods in order to prepare the active substance in the form of the average particle size corresponding to the specifications according to the invention. 24 In order to prepare compounds 2 mentioned within the scope of the present invention and not yet known in the art: I.) 4-[(3-chloro-4-fluoro-phenyl)amino]-7-{3-[4-(2-oxo-tetrahydrofuran-4-yl)- piperazin-1-yl]-propyloxy}-6-[(vinylcarbonyl)amino]-quinazoline A mixture of 166 mg acrylic acid and 0.77 ml triethylamine in 10 ml of tetrahydrofuran is cooled to -50°C in a dry ice/acetone cooling bath and combined with a solution of 175 pi acrylic acid chloride in 4 ml of tetrahydrofuran. The reaction mixture is stirred at this temperature for 45 minutes. Then a solution of 427 mg of 6-amino-4-[(3-chloro-4-fluoro-phenyl)amino]-7-{3-[4-(2-oxo-tetrahydrofuran-4-yl)-piperazin-1-yl]-propyloxy}-quinazoline in 10 ml of tetrahydrofuran is added dropwise within 20 minutes. The reaction mixture is then slowly allowed to warm up to 0°C and stirred at this temperature until the reaction is complete. It is then combined with ice water whereupon a viscous precipitate is formed. This is extracted thoroughly several times with ethyl acetate/methanol. The combined organic phases are washed with saturated sodium chloride solution, dried over magnesium sulphate and evaporated down. The yellowish, resinous crude product is purified by chromatography over a silica gel column with methylene chloride/methanol (95:5) as eluant.
Yield: 148 mg (31 % of theory), Rf value: 0.45 (silica gel, methylene chloride/methanol/concentrated aqueous ammonia solution = 90:10:0.1) Mass spectrum (EST): m/z = 567, 569 [M-H]+ The following compound is obtained analogously to I.): 4-[(3-chloro-4-fluoro-phenyl)amino]-7-(2-{4-[(S)-(2-oxo-tetrahydrofuran-5- yl)carbonyl]piperazin-1-yl}-ethoxy)-6-[(vinylcarbonyl)amino]-quinazoline Rf value: 0.46 (silica gel, methylene chloride/methanol/concentrated aqueous ammonia solution = 90:10:0.1) Mass spectrum (EST): m/z = 581, 583 [M-H]+ II.) 4-[(3-chloro-4-fluoro-phenyl)amino]-7-[3-(2,2-dimethyl-6-oxo-morpholin-4- yl)-propyloxy]-6-[(vinylcarbonyl)amino]-quinazoline 0.47 ml triethylamine are added to 101 mg of acrylic acid in 5 ml of tetrahydrofuran under a nitrogen atmosphere. This mixture is cooled to about -50°C in a dry ice/acetone cooling bath and combined with 119 mg acrylic acid chloride in 3 ml of tetrahydrofuran, whereupon a colourless precipitate is formed. The suspension is stirred for about another hour at this temperature. Then 240 mg of 6-amino-4-[(3-chloro-4-fluoro-phenyl)amino]-7-[3-(2,2-dimethyl-6-oxo-morpholin-4-yl)-propyloxy]-quinazoline in 7 ml of tetrahydrofuran are added dropwise at -55°C. The reaction mixture is allowed to heat up slowly to -30°C. After about an hour the dry ice/acetone cooling. bath is exchanged for an ice /sodium chloride cooling bath. The reaction mixture is then allowed to come up to 0°C therein. As soon as the reaction is complete, the reaction mixture is combined with water and methylene chloride and made alkaline with sodium hydroxide solution. The aqueous phase separated off is extracted again with methylene chloride and a little methanol. The combined organic extracts are washed with water, dried and evaporated down. A yellow resin remains which is chromatographed through a silica gel column with methylene chloride/methanol (98:2) as eluant. The desired product is stirred with a little ferf.butylmethyl ether, the fine crystalline precipitate is suction filtered, washed again with fe/tbutylmethyl ether and dried in vacuo at 50°C.
Yield: 160 mg (60 % of theory), Rf value: 0.42 (silica gel, methylene chloride/methanol = 95:5) Mass spectrum (EST): m/z = 526, 528 [M-H]+ The following compounds are obtained analogously to II.): (1) 4-[(3-chloro-4-fluoro-phenyl)amino]-7-[2-((S)-6-methyl-2-oxo-morpholin-4-yl)-ethoxy]-6-[(vinylcarbonyl)amino]-quinazoline Rf value: 0.32 (silica gel, methylene chloride/methanol = 95:5) Mass spectrum (EST): m/z = 498, 500 [M-H]+ (2) 4-[(3-chloro-4-fluoro-phenyl)amino]-7-[4-((R)-6-methyl-2-oxo-morpholin-4-yl)-butyloxy]-6-[(vinylcarbonyl)amino]-quinazoline Rf vaiue: 0.30 (silica gel, methylene chloride/methanol = 95:5) Mass spectrum (EST): m/z = 550, 552 [M+Na]+ (3) 4-[(3-chloro-4-fluoro-phenyl)amino]-7-[4-((S)-6-methyl-2-oxo-morpholin-4-yl)-butyloxy]-6-[(vinylcarbonyl)amino]-quinazoline Mass spectrum (EST): m/z = 526, 528 [M-H}+ 26 III.) 4-[(3-chloro-4-fluorophenyl)amino]-6-{[4-(N,N-diethylamino)-1-oxo-2- buten-1 -yljam ino}-7 -cyclopropy Im ethoxy-qu inazoline 0.67 ml oxalyl chloride and one drop of dimethylformamide are added at ambient temperature to a solution of 640 mg of 4-bromo-2-butenoic acid in 10 ml methylene chloride. The reaction mixture is stirred for about another half hour at ambient temperature until the development of gas has ended. The • acid chloride produced is largely freed from solvent using the rotary evaporator in vacuo. Then the crude product is dissolved in 10 ml of methylene chloride and added dropwise while cooling with an ice bath to a mixture of 1.00 g of 6-amino-4-[(3-chloro-4-fluorophenyl)amino]-7-cyclopropylmethoxy-quinazoline and 1.60 ml of Hunig base in 50 ml of tetrahydrofuran. The reaction mixture is stirred for 1.5 hours in the ice bath and for a further 2 hours at ambient temperature. Then 2.90 ml of diethylamine are added and the mixture is stirred for 2.5 days at ambient temperature. For working up, the reaction mixture is filtered and the filtrate is evaporated down. The flask residue is purified by chromatography over a silica gel column with ethyl acetate/methanol (19:1).
Yield: 550 mg (40 % of theory) melting point: 114°C Mass spectrum (EST): m/z = 498, 500 [M+H] + The following compounds are obtained analogously to III.): (1) 4-[(3-chloro-4-fluoro-phenyl)amino]-6-{[4-(morpholin-4-yl)-1-oxo-2-buten-1-yl]amino}-7-cyclopropylmethoxy-quinazoline Rf value: 0.53 (silica gel, ethyl acetate/methanol = 9:1) Mass spectrum (ESI+): m/z = 510, 512 [M-H]+ (2) 4-[(3-chloro-4-fluorophenyl)amino]-6-{[4-(N,N-dimethylamino)-1-oxo-2-buten-1-yl]amino}-7-cyclopropylmethoxy-quinazoline melting point: 137°C Mass spectrum (EST): m/z = 470, 472 [M+H] + (3) 4-[(R)-(1-phenyl-ethyl)amino]-6-{[4-(morpholin-4-yl)-1-oxo-2-buten-1-yl]amino}-7-cyclopropylmethoxy-quinazoline Rf value: 0.37 (silica gel, ethyl acetate/methanol = 9:1) Mass spectrum (EST): m/z = 488 [M+H]+ 27 (4) 4-[(R)-(1 -phenyl-ethyl)amino]-6-{[4-(morpholin-4-yl)-1 -oxo-2-buten-1 - yl]amino}-7-cyclopentyloxy-quinazoline Rf value: 0.35 (silica gel, ethyl acetate/methanol = 9:1) Mass spectrum (ESI+): m/z = 502 [M+H] + IV.) 4-[(3-methylphenyl)amino]-6-[(4-{N-[(ethoxycarbonyl)methyl]-N-methylamino}-1-oxo-2-buten-1-yl)amino]-7-methoxy-quinazoline 0.86 ml of oxalyl chloride and one drop of dimethylformamide are added to a solution of 842 mg of 4-bromo-2-butenoic acid in 15 ml methylene chloride at ambient temperature. The reaction mixture is stirred for about another hour at ambient temperature until the development of gas has ended. The acid chloride formed is largely freed from solvent in vacuo using the rotary evaporator. Then the crude product is taken up in 10 ml methylene chloride and added dropwise within five minutes to a mixture of 1.0 g of 6-amino-4-[(3-methylphenyl)amino]-7-methoxy-quinazoline and 2.0 ml of Hunig base in 50 ml of tetrahydrofuran while cooling with an ice bath. The reaction mixture is stirred for two hours while cooling with an ice bath and then for another two hours at ambient temperature. Then 6.7 ml Hunig base, 5.48 g sarcosine ethylester hydrochloride and 3 ml of dimethylformamide are added and the whole is stirred overnight at ambient temperature. For working up the reaction mixture is evaporated down in vacuo using the rotary evaporator and the flask residue is distributed between 75 ml ethyl acetate and 75 ml of water. The organic phase is washed with water and saturated sodium chloride solution, dried over magnesium sulphate and evaporated down. The crude product is purified by chromatography over a silica gel column with methylene chloride/methanol (20 : 1).
Yield: 326 mg (20 % of theory) melting point: 122-124°C Mass spectrum (EST): m/z = 464 [M+H] + The following compound is obtained analogously to IV.): 4-[(3-chloro-4-fluorophenyl)amino]-6-[(4-{N-[2-(ethoxycarbonyl)-ethyl]-N-[(ethoxycarbonyl)methyl]amino}-1 -oxo-2-buten-1 -yl)amino]-7-cyclopropylmethoxy-quinazoline Rf value: 0.62 (aluminium oxide, cyclohexane/ethyl acetate = 1:1) Mass spectrum (El): m/z = 627, 629 [M]+ 28 V.) 4-[(3-chloro-4-fluoro-phenyl)amino]-6-{[4-((/:?)-2-methoxymethyl-6-oxo-morpholin-4-yl)-1 -oxo-2-buten-1-yl]amino}-7-cyclopropylmethoxy-quinazolirie 950 mg of 4-[(3-chloro-4-fluoro-phenyl)amino]-6-[(4-{N-[(ethoxycarbonyl)methyl]-N-((R)-2-hydroxy-3-methoxy-propyl)-amino}-1-oxo-2-buten-1-yl)amino]-7-cyclopropylmethoxy-quinazoline and 195 pi of methanesulphonic acid in 10 ml acetonitrile are refluxed for about four hours. For working up the reaction mixture is cooled in a bath of ice water, combined with 75 ml ethyl acetate and 25 ml saturated sodium hydrogen carbonate solution and stirred vigorously for 10 minutes. The organic phase is separated off, washed with saturated sodium hydrogen carbonate solution and saturated sodium chloride solution and dried over magnesium sulphate. The solvent is distilled off in vacuo, leaving a brownish foam.
Yield: 610 mg (69 % of theory), Rf value: 0.55 (silica gel, methylene chloride/methanol = 9:1) Mass spectrum (ESI+): m/z = 570, 572 [M+H] + VI.) 4-[(3-chloro-4-fluoro-phenyl)amino]-6-{[4-((S)-6-methyl-2-oxo-morpholin-4-yl)-1-oxo-2-buten-1-yl]amino}-7-cyclopropylmethoxy-quinazoline A mixture of 700 mg of 4-[(3-chloro-4-fluoro-phenyl)amino]-6-[(4-{N-[(tert. butyloxycarbonyl)methyl]-N-((S)-2-hydroxy-prop-1 -yl)-amino}-1 -oxo-2-buten-1-yl)amino]-7-cyclopropylmethoxy-quinazoline and 228 mg of p-toluenesulphonic acid hydrate in 20 ml of acetonitrile is refluxed for five hours. Then a further 200 mg of p-toluenesulphonic acid hydrate are added and the mixture is again refluxed for five hours. For working up the reaction mixture is evaporated to dryness. The flask residue is distributed between ethyl acetate and saturated sodium carbonate solution. The organic phase is separated off, washed with saturated sodium carbonate solution, water and saturated sodium chloride solution, dried over magnesium sulphate and evaporated down. The oily residue is brought to crystallisation by stirring with 15 ml diethyl ether.
Melting point: 173-175°C Mass spectrum (EST): m/z = 540, 542 [M+H] + The following compounds are obtained analogously to VI.): (1) 4-[(3-chloro-4-fluoro-phenyl)amino]-6-{[4-((/:?)-6-methyl-2-oxo-morpholin-4- yl)-1-oxo-2-buten-1-yl]amino}-7-cyclopropylmethoxy-quinazoline Rf value: 0.54 (silica gel, methylene chloride/methanol = 9:1) Mass spectrum (EST): m/z = 540, 542 [M+H] + 29 (2) 4-[(3-chloro-4-fluoro-phenyl)amino]-6-{[4-((R)-6-methyl-2-oxo-morpholin-4-yl)-1-oxo-2-buten-1-yl]amino}-7-[(S)-(tetrahydrofuran-3-yl)oxy]-quinazoline (The reaction is carried out with methanesulphonic acid in acetonitrile) Rf value: 0.38 (silica gel, methylene chloride/methanol = 9:1) Mass spectrum (ESI+): m/z = 556, 558 [M+H]+ VII.) 4-[(3-bromo-phenyl)amino]-6-[2-((S)-6-methyl-2-oxo-morpholin-4-yl)-ethoxy]-7-methoxy-quinazoline 90 fjl methanesulphonic acid are added to 380 mg of 4-[(3-bromo-phenyl)amino]-6-(2-{N-[(te/tbutyloxycarbonyl)methyl]-N-((S)-2-hydroxy-propyl)-amino}-ethoxy)-7-methoxy-quinazoline in 8 ml acetonitrile. The reaction mixture is refluxed for about three hours, then another equivalent of methanesulphonic acid is added and refluxing is continued until the reaction is complete. For working up the reaction mixture is diluted with ethyl acetate and washed with saturated sodium hydrogen carbonate solution and saturated sodium chloride solution. The organic phase is dried over magnesium sulphate and evaporated down in vacuo. The flask residue is stirred with diethyl ether and suction filtered. The title compound is obtained as a white solid.
Yield: 280 mg (85 % of theory), Melting point: 190°C Mass spectrum (EST): m/z = 485, 487 [M-H]+ The following compound is obtained analogously to VII.): 4-[(3-chloro-4-fluoro-phenyl)amino]-6-[2-((S)-6-methyl-2-oxo-morpholin-4-yl)- ethoxy]-7-methoxy-quinazoline (The reaction is carried out with trifluoroacetic acid in acetonitrile) melting point: 212-213°C Mass spectrum (ESI+): m/z = 461, 463 [M+H] + VIII.) 4-[(3-chloro-4-fluorophenyl)amino]-6-({4-[N-(2-methoxy-ethyl)-N-methyl- am ino]-1-oxo-2-buten-1-yl}amino)-7-cyclopropylmethoxy-quinazoline 4.70 ml of oxalyl chloride are added dropwise to a solution of 4.50 g of bromocrotonic acid in 60 ml of methylene chloride. Then one drop of N,N-dimethylformamide is added. After about 30 minutes the development of gas has ended and the reaction mixture is evaporated down in the rotary evaporator. The crude bromocrotonic acid chloride is taken up in 30 ml methylene chloride and added dropwise to a solution of 7.00 g 4-[(3-chloro-4-fluorophenyl)amino]-6-amino-7-cyclopropylmethoxy-quinazoline and 10.20 ml Hunig base in 150 ml of tetrahydrofuran while cooling with an ice bath. The reaction mixture is stirred for about 1.5 hours while cooling with an ice bath and for a further two hours at ambient temperature. Then 5.20 g of N-(2-methoxy-ethyl)-N-methyl-amine are added and the reaction mixture is stirred overnight at ambient temperature. For working up it is diluted with methylene chloride and washed thoroughly with water. The organic phase is dried over magnesium sulphate and evaporated down. The crude product is purified by chromatography over a silica gel column with ethyl acetate followed by ethyl acetate/methanol (19:1) as eluant.
Yield: 5.07 g (51 % of theory) Mass spectrum (ESI+): m/z = 512, 514 [M-H]+ Rf value: 0.25 (silica gel, ethyl acetate/methanol = 9:1) The following compounds are obtained analogously to VIII): (1) 4-[(3-chloro-4-fluorophenyl)amino]-6-{[4-(N,N-dimethylamino)-1 -oxo-2-buten-1-yl]amino}-7-cyclopentyloxy-quinazoline Mass spectrum (EST): m/z = 482, 484 [M-H]+ Rf value: 0.11 (silica gel, ethyl acetate/methanol = 9:1) (2) 4-[(R)-(1 -phenyl-ethyl)aminoJ-6-{[4-(l\l,N-bis-(2-methoxy-ethyl)-amino)-1 -oxo-2-buten-1-yl]amino}-7-cyclopropylmethoxy-quinazoline Mass spectrum (EST): m/z = 532 [M-H]+ Rf value: 0.40 (silica gel, ethyl acetate/methanol = 9:1) (3) 4-[(R)-(1 -phenyl-ethyl)amino]-6-({4-[N-(2-methoxy-ethyl)-N-ethyl-amino]-1 -oxo-2-buten-1-yl}amino)-7-cyclopropylmethoxy-quinazoline Mass spectrum (ESI+): m/z = 502 [M-H]+ Rf value: 0.20 (silica gel, ethyl acetate/methanol = 9:1) (4) 4-[(R)-(1-phenyl-ethyl)amino]-6-({4-[N-(2-methoxy-ethyl)-N-m ethyl-am ino]-1 -oxo-2-buten-1 -yl}amino)-7-cyclopropylmethoxy-quinazoline Mass spectrum (ESI+): m/z = 488 [M-H]+ Rf value: 0.25 (silica gel, ethyl acetate/methanol = 9:1) (5) 4-[(R)-(1-phenyl-ethyl)amino]-6-({4-[N-(tetrahydropyran-4-yl)-N-m ethyl-amino]-1-oxo-2-buten-1-yl}amino)-7-cyclopropylmethoxy-quinazoline 31 Mass spectrum (ESI+): m/z = 514 [M-H]+ Rf value: 0.15 (silica gel, ethyl acetate/methanol = 9:1) (6) 4-[(3-chloro-4-fluorophenyl)amino]-6-{[4-(N,N-dimethyiamino)-1-oxo-2-buten-1-yl]amino}-7-((R)-tetrahydrofuran-3-yloxy)-quinazoline Mass spectrum (ESI+): m/z = 486, 488 [M+H]+ (7) 4-[(3-chloro-4-fluorophenyl)amino]-6-{[4-(N,N-dimethylamino)-1 -oxo-2-buten-1-yl]amino}-7-((S)-tetrahydrofuran-3-yloxy)-quinazoline Mass spectrum (ESI+): m/z = 486, 488 [M+H] + Rf value: 0.45 (silica gel, methylene chloride/methanol = 5:1) (8) 4-[(3-chloro-4-fluorophenyl)amino]-6-({4-[N-(2-methoxy-ethyl)-N-methyl-amino]-1 -oxo-2-buten-1 -yl}amino)-7-cyclopentyloxy-quinazoline Mass spectrum (EST): m/z = 528, 530 [M-H]+ Rf value: 0.25 (silica gel, ethyl acetate/methanol = 9:1) (9) 4-[(3-chloro-4-fluorophenyl)amino]-6-{[4-(N-cyclopropyl-N-methyl-amino)-1 -oxo-2-buten-1 -yl]amino}-7-cyclopentyloxy-quinazoline Mass spectrum (ESI+): m/z = 508, 510 [M-H]+ melting point: 140°C (10) 4-[(3-chloro-4-fluorophenyl)amino]-6-{[4-(N,N-dimethylamino)-1-oxo-2-buten-1-yl]amino}-7-[(R)-(tetrahydrofuran-2-yl)methoxy]-quinazoline Mass spectrum (EST): m/z = 500, 502 [M+H] + melting point: 110-112°C (11) 4-[(3-chloro-4-fluorophenyl)amino]-6-{[4-(NlN-dimethylamino)-1-oxo-2-buten-1-yl]amino}-7-[(S)-(tetrahydrofuran-2-yl)methoxy]-quinazoline Mass spectrum (ESf+): m/z = 500, 502 [M+H]+ Rf value: 0.23 (silica gel, ethyl acetate/methanol/conc. aqueous ammonia = 90:10:0.1) 32 Some particularly preferred formulations according to the invention comprising the two components 1 and 2 are described hereinafter without restricting the core of the invention thereto.
Formulation Examples Inhalable powders: 1) Ingredients Mg per capsule tiotropium bromide .8 EGFR kinase inhibitor 2 3500 Lactose 3489.2 Total 7000 2) Ingredients Mg per capsule tiotropium bromide 21.7 EGFR kinase inhibitor 2 3000 Lactose 3978.3 Total 7000 3) Ingredients Mg per capsule tiotropium bromide x H2O 22.5 EGFR kinase inhibitor 2 5000 Lactose 4022.5 Total 10000 4) Ingredients pg per capsule tiotropium bromide x H2O 22.5 EGFR kinase inhibitor 2 5000 Lactose 1977.5 Total 7000 intellectual property ofhlc] of N.Z. 1 3 APR 2006 receiver 33 ) Ingredients |jg per capsule tiotropium bromide x H2O 22.5 EGFR kinase inhibitor 2 5000 Total 5022.5 34

Claims (4)

  1. WHAT WE CLAIM IS: 1) Pharmaceutical composition, comprising one or more anticholinergics (1) combined with one or more EGFR kinase inhibitors (2), optionally in the form of the enantiomers, mixtures of the enantiomers or in the form of the racemates thereof, optionally in the form of the solvates or hydrates and optionally together with a pharmaceutical^ acceptable excipient, wherein 1 is selected from the group consisting of tiotropium salts, oxitropium salts or ipratropium salts, and wherein in that 2 is selected from among 4-[(3-chloro-4-fluoro-phenyl)amino]-7-(2-{4-[(S)-(2-oxo-tetrahydrofuran-5-yl)-carbonyl]-piperazin-1-yl}-ethoxy)-6-[(vinylcarbonyl)amino]-quinazoline, 4-[(3-chloro-4-fluoro-phenyl)amino]-7-[2-((S)-6-methyl-2-oxo-morpholin-4-yI)-ethoxy]-6-[(vinylcarbonyl)amino]-quinazoline, 4-[(3-chloro-4-fluoro-phenyl)amino]-7-[4-((/?)-6-methyl-2-oxo-morpholin-4-yl)-butyloxy]-6-[(vinylcarbonyl)amino]-quinazoline, 4-[(3-chloro-4-fluoro-phenyl)amino]-7-[4-((S)-6-methyl-2-oxo-morpholin-4-yl)-butyloxy]-6-[(vinylcarbonyl)amino]-quinazoline, 4-[(3-chloro-4-fluoro-phenyl)amino]-7-[4-(2,2-dimethyl-6-oxo-morpholin-4-yl)-butyloxy]-6-[(vinylcarbonyl)amino]-quinazoline, 4-[(3-chloro-4-fluoro-phenyl)amino]-6-{[4-((R)-6-methyl-2-oxo-morpholin-4- yl)-1 -oxo-2-buten-1 -yl]amino}-7-cyclopropylmethoxy-quinazoline, 4-[(3-chloro-4-fluoro-phenyl)amino-6-({4-[bis-(2-methoxyethyl)-amino]-1- oxo-2-buten-1-yl}amino)-7-cyclopropylmethoxy-quinalozine, 4-[(3-chloro-4-fluoro-phenyl)amino]-6-{[4-((R)-6-methyl-2-oxo-morpholin-4- yl)-1-oxo-2-buten-1-yl]amino}-7-[(S)-(tetrahydrofuran-3-yl)oxy]-quinazoline, 4-[(3-chloro-4-fluoro-phenyl)amino]-6-{[4-((R)-2-methoxymethy!-6-oxo- morpholin-4-yl)-1 -oxo-2-buten-1 -yl]amino}-7-cyclopropylmethoxy- quinazoline, 4-[(3-chloro-4-fluoro-phenyl)amino]-6-[2-((S)-6-methyl-2-oxo-morpholin-4-yl)-ethoxy]-7-methoxy-quinazoline, 4-[(3-chloro-4-fluorophenyl)amino]-6-({4-[N-(2-methoxy-ethyl)-N-methyl-amino]-1-oxo-2-buten-1-yl}amino)-7-cyclopropylmethoxy-quinazoline, 4-[(3-chloro-4-fluorophenyl)amino]-6-{[4-(N,N-dimethylamino)-1-oxo-2-buten-1-yl]amino}-7-cyclopentyloxy-quinazoline, 4-[(3-chloro-4-fluoro-phenyl)amino]-6-{[4-((S)-2-methoxymethyl-6-oxo- morpholin-4-yl)-1 -oxo-2-buten-1 -yl]amino}-7-cyclopropylmethExyinteilectual Property Office of N.Z. 2 0 OCT 2006 IbFCEIVEC 35 quinazoline, 4-[(R)-(1-phenyl-ethyl)amino]-6-{[4-(N,N-bis-(2-methoxy-ethyl)-amino)-1- oxo-2-buten-1 -yl]amino}-7-cyclopropylmethoxy-quinazoline, 4-[(R)-(1-phenyl-ethyl)amino]-6-({4-[N-(2-methoxy-ethyl)-N-ethyl-amino]-1- oxo-2-buten-1-yl}amino)-7-cyclopropylmethoxy-quinazoline, 4-[(R)-( 1 -phenyl-ethyl)amino]-6-({4-[N-(2-methoxy-ethyl)-N-methyl-amino3-1 - oxo-2-buten-1-yl}amino)-7-cyclopropylmethoxy-quinazoIine, 4-[(R)-(1-phenyl-ethyl)amino]-6-({4-[N-(tetrahydropyran-4-yl)-N-methyl- amino]-1-oxo-2-buten-1-yl}amino)-7-cyclopropylmethoxy-quinazoline, 4-[(3-chloro-4-fluorophenyl)amino]-6-{[4-(N,N-dimethylamino)-1-oxo-2- buten-1-yl]amino}-7-((R)-tetrahydrofuran-3-yloxy)-quinazoline, 4-[(3-chloro-4-fluorophenyl)amino]-6-{[4-(N,N-dimethylamino)-1-oxo-2- buten-1-yl]amino}-7-((S)-tetrahydrofuran-3-yloxy)-quinazoline, 4-[(3-chloro-4-fluorophenyl)amino]-6-({4-[N-(2-methoxy-ethyl)-N-methyl- amino]-1-oxo-2-buten-1-yl}amino)-7-cyclopentyloxy-quinazoline, 4-[(3-chloro-4-fluorophenyl)amino]-6-{[4-(N-cyclopropyl-N-methyl-amino)-1- oxo-2-buten-1-yl]amino}-7-cyclopentyloxy-quinazoline, 4-[(3-chloro-4-fluorophenyl)amino]-6-{[4-(N,N-dimethylamino)-1-oxo-2- buten-1-yl]amino}-7-[(R)-(tetrahydrofuran-2-yl)methoxy]-quinazoline, and 4-[(3-chloro-4-fluorophenyI)amino]-6-{[4-(N,N-dimethylamino)-1-oxo-2- buten-1-yl]amino}-7-[(S)-(tetrahydrofuran-2-yl)methoxy]-quinazoline) optionally in the form of the physiologically acceptable acid addition salts thereof.
  2. 2) Pharmaceutical composition according to claim 1, wherein the active substances 1 and 2 are present either together in a single formulation or in two separate formulations.
  3. 3) Pharmaceutical composition according to one of claims 1 and 2, wherein ± is selected from among the tiotropium salts.
  4. 4) Pharmaceutical composition according to any one of claims 1 to 3, wherein 1 is present in the form of the chloride, bromide, iodide, methanesulphonate, paratoluene sulphonate or methyl sulphate, 5) Pharmaceutical composition according to any one of claims 1 to 4, wherein 1 is in the form of the bromide. Intellectual Property Office of N.Z. 2 0 OCT 2006 received 36 6) Pharmaceutical composition according to any one of claims 1 to 5, wherein 2 is selected from among: 4-[(3-chloro-4-fluoro-phenyl)amino]-7-(2-{4-[(S)-(2-oxo-tetrahydrofuran-5-yl)-carbonyl]-piperazin-1-yl}-ethoxy)-6-[(vinylcarbonyl)amino]-quinazoline, 4-[(3-chloro-4-fluoro-phenyl)amino]-7-[2-((S)-6-methyl-2-oxo-morpholin-4-yl)-ethoxy]-6-[(vinylcarbonyl)amino]-quinazoline, 4-[(3-chloro-4-fluoro-phenyl)amino]-7-[4-((R)-6-methyl-2-oxo-morpholin-4-yl)-butyloxy]-6-[(vinylcarbonyl)amino]-quinazoline, 4-[(3-chloro-4-fluoro-phenyl)amino]-7-[4-((S)-6-methyl-2-oxo-morpholin-4-yl)-butyloxy]-6-[(vinylcarbonyl)amino]-quinazoline, 4-[(3-chloro-4-fluoro-phenyl)amino]-6-{[4-((R)-6-methyl-2-oxo-morpholin-4-yl)- 1 -oxo-2-buten-1 -ylJaminoJ-7-cyclopropylmethoxy-quinazoline, 4-[(3-chloro-4-fluoro-phenyl)amino]-6-{[4-((R)-6-methyl-2-oxo-morpholin-4-yl)- 1-oxo-2-buten-1-yl]aminoJ-7-[(S)-(tetrahydrofuran-3-yl)oxy]-quinazoline, 4-[(3-chloro-4-fluoro-phenyl)amino]-6-{[4-((R)-2-methoxymethyl-6-oxo- morpholin-4-yl)-1-oxo-2-buten-1-yl]amino}-7-cyclopropylmethoxy-quinazolinel 4-[(3-chloro-4-fluoro-phenyl)amino]-6-[2-((S)-6-methyl-2-oxo-morpholin-4-yl)- ethoxy]-7-methoxy-quinazoline, 4-[(3-chloro-4-fluorophenyl)amino]-6-({4-[N-(2-methoxy-ethyl)-N-methyl- amino]-1-oxo-2-buten-1-yl}amino)-7-cyclopropylmethoxy-quinazoline, 4-[(3-chloro-4-fluorophenyl)amino]-6-{[4-(N,N-dimethylamino)-1-oxo-2-buten- 1-yl]amino}-7-cyclopentyloxy-quinazoline, 4-[(R)-(1 -phenyl-ethyl)amino]-6-{[4-(N, N-bis-(2-methoxy-ethyl)-amino)-1 -oxo- 2-buten-1-yl]amino}-7-cyclopropylmethoxy-quinazoIine, 4-[(R)-(1-phenyl-ethyl)amino]-6-({4-[N-(2-methoxy-ethyl)-N-ethyl-amino]-1-oxo-2-buten-1-yl}amino)-7-cyclopropylmethoxy-quinazoline, 4-[(R)-(1-phenyl-ethyl)amino]-6-({4-[N-(2-methoxy-ethyl)-N-methyl-amino]-1-oxo-2-buten-1-yl}amino)-7-cyclopropylmethoxy-quinazoline, 4-[(R)-(1-phenyl-ethyl)amino]-6-({4-[N-(tetrahydropyran-4-yI)-N-methyl-amino]-1 -oxo-2-buten-1 -yl}amino)-7-cyclopropylmethoxy-quinazoline, 4-[(3-chloro-4-fluorophenyl)amino]-6-{[4-(N,N-dimethylamino)-1-oxo-2-buten-1-yl]amino}-7-((R)-tetrahydrofuran-3-yloxy)-quinazolineI 4-[(3-chloro-4-fluorophenyl)amino]-6-{[4-(N,N-dimethylamino)-1-oxo-2-buten-1-yl]amino}-7-((S)-tetrahydrofuran-3-yloxy)-quinazolineI 4-[(3-chloro-4-fluorophenyl)amino]-6-({4-[N-(2-methoxy-ethyl)-N-methyl-amino]-1 -oxo-2-buten-1 -yl}amino)-7-cyclopentyloxy-quinazoline, 4-[(3-chloro-4-fluorophenyl)amino]-6-{[4-(N-cyclopropyl-N Office of N.Z. 2 0 OCT 2006 r e c eiv ej2j 37 oxo-2-buten-1-yl]amino}-7-cyclopentyloxy-quinazoline, 4-[(3-chloro-4-fluorophenyl)amino]-6-{[4-(N,N-dimethylamino)-1-oxo-2-buten- 1-yl]amino}-7-[(R)-(tetrahydrofuran-2-yl)methoxy]-quinazoline, and 4-[(3-chloro-4-fluorophenyl)amino]-6-{[4-(NIN-dimethylamino)-1-oxo-2-buten- 1-yl]amino}-7-[(S)-(tetrahydrofuran-2-yl)methoxy]-quinazoline, optionally in the form of the physiologically acceptable acid addition salts thereof. 7) Pharmaceutical composition according to any one of claims 1 to 6, wherein 2 is selected from among 4-[(3-chloro-4-fluoro-phenyl)amino]-7-[4-((R)-6-methy!-2-oxo-morpholin-4-yl)-butyloxy]-6-[(vinylcarbonyl)amino]-quinazoline, 4-[(3-chloro-4-fluoro-phenyl)amino]-7-[4-((S)-6-methyl-2-oxo-morpholin-4-yl)-butyloxy]-6-[(vinylcarbonyl)amino]-quinazoline, 4-[(3-chloro-4-fluoro-phenyl)amino]-7-(2-{4-[(S)-(2-oxo-tetrahydrofuran-5-yl)-carbonyl]-piperazin-1-yl}-ethoxy)-6-[(vinylcarbonyl)amino]-quinazoline, 4-[(3-chloro-4-fluoro-phenyl)amino]-7-[2-((S)-6-methyl-2-oxo-morpholin-4-y[)-ethoxy]-6-[(vinylcarbonyl)amino]-quinazoline, and 4-[3-chloro-4-fluoro-phenyl)amino]-6-[2-((S)-6-methyl-2-oxo-morpholin-4-yl)-ethoxy]-7-methoxy-quinazoline, optionally in the form of the physiologically acceptable acid addition salts thereof. 8) Pharmaceutical composition according to any one of claims 1 to 7, wherein the weight ratios of 1 to 2 are in the range from 1:800 to 20:1. 9) Pharmaceutical composition according to any one of claims 1 to 7, wherein the weight ratios of 1 to 2 are in the range from 1:600 to 10:1. 10) Pharmaceutical composition according to any one of claims 1 to 9, wherein a single administration corresponds to a dosage of the combination of active substances 1 and 2 of 1000 to lOOOOOpg. 11) Pharmaceutical composition according to any one of claims 1 to 9, wherein a single administration corresponds to a dosage of the combination of active substances 1 and 2 of 1500 to 50000|jg. IrtSteSual Property Office of NX 2 0 OCT 2008 r e C E1v e p 38 12) 13) 14) 15) 16) 17) 18) 20) 21) 22) Pharmaceutical composition according to any one of claims 1 to 11, which is in the form of a formulation suitable for inhalation. Pharmaceutical composition according to claim 12, which is a formulation selected from among inhalable powders, propellant-containing metering aerosols and propellant-free inhalable solutions or suspensions. Pharmaceutical composition according to claim 13, which is an inhalable powder comprising 1 and 2 in admixture with suitable physiologically acceptable excipients selected from among the monosaccharides, disaccharides, oligo- and polysaccharides, polyalcohols, salts, or mixtures of these excipients. Inhalable powder according to claim 14, wherein the excipient has a maximum average particle size of up to 250fxm. Inhalable powder according to claim 14, wherein the excipient has a maximum average particle size between 10 and 150pm. Pharmaceutical composition according to claim 13, which is an inhalable powder comprising only active substances 1 and 2 as its ingredients. Capsules, comprising an inhalable powder according to any one of claims 14 to 17. Pharmaceutical composition according to claim 13, which is a propellant-containing inhalable aerosol which contains 1 and 2 in dissolved or dispersed form. Propellant-containing inhalable aerosol according to claim 19, comprising as propellant gas, hydrocarbons or halohydrocarbons. Propellant-containing inhalable aerosol according to claim 20, wherein the hydrocarbons include n-propane, n-butane or isobutene. Propellant-containing inhalable aerosol according to claim 20, wherein the halohydrocarbons include chlorinated and/or fluorinated derivatives of methane, ethane, propane, butane, cyclopropane or cyclo )utsfftteiiectual Property Office of M.Z. 2 0 OCT 2006 received 39 23) Propellant-containing inhalable aerosol according to any one of claims 20 to 22, wherein the propellant gas is TG11, TG12, TG134a, TG227 or mixtures thereof. 24) Propellant comprising inhalable aerosol according to any one of claims 20 to 22, wherein the propellant gas is TG134a, TG227 or a mixture thereof. 25) Propellant-containing inhalable aerosol according to any one of claims 19 to 24 -whichoptionally comprises one or more other ingredients selected from among cosolvents, stabilisers, surfactants, antioxidants, lubricants and means for adjusting the pH. 26) Propellant-containing inhalable aerosol according to any one of claims 19 to 25, which may comprise up to 5 wt.-% of active substance 1 and/or 2. 27) Pharmaceutical composition according to claim 13, which is a propellant-free inhalable solution or suspension which comprises water, ethanol or a mixture of water and ethanol as solvent. 28) Inhalable solution or suspension according to claim 27, wherein the pH is 2-7.. 29) Inhalable solution or suspension according to claim 25, wherein the pH is 2-5. 30) Inhalable solution or suspension according to any one of claims 28 or 29, wherein the pH is adjusted by means of an acid selected from among hydrochloric acid, hydrobromic acid, nitric acid, sulphuric acid, ascorbic acid, citric acid, malic acid, tartaric acid, maleic acid, succinic acid, fumaric acid, acetic acid, formic acid and propionic acid or mixtures thereof. 31) Inhalable solution or suspension according to any one of claims 27 to 30, which optionally comprises other co-solvents and/or excipients. 32) Inhalable solution or suspension according to claim 31, which comprises as co-solvents ingredients which contain hydroxyl groups or other polar groups. 33) Inhalable solution or suspension according to claim 32, wha-einl0^^yS^^^erty ice ot 2 0 OCT 2006 received 40 ingredients include alcohols. 34) Inhalable solution or suspension according to claim 33, wherein alcohol includes isopropyl alcohol and glycols. 35) Inhalable solution or suspension according to claim 34, wherein glycol includes propyleneglycol, polyethyleneglycol, polypropyleneglycol, glycolether, glycerol, polyoxyethylene alcohols and polyoxyethylene fatty acid esters. 36) Inhalable solution or suspension according to any one of claims 29 to 35, comprising as excipients surfactants, stabilisers, complexing agents, antioxidants and/or preservatives, flavourings, pharmacologically acceptable salts and/or vitamins. 37) Inhalable solution or suspension according to claim 36, comprising as complexing agent editic acid or a salt of editic acid. 38) Inhalable solution or suspension according to claim 37, comprising as complexing agent sodium edentate. 39) Inhalable solution or suspension according to any one of claims 36 to 38, comprising, as antioxidants, compounds selected from among ascorbic acid, vitamin A, vitamin E and tocopherols. 40) Inhalable solution or suspension according to any one of claims 36 to 39, comprising as preservatives compounds selected from cetyl pyridinium chloride, benzalkonium chloride, benzoic acid and benzoates. 41) Inhalable solution or suspension according to any one of claims 31 to 40, comprising, in addition to the active substances 1 and 2 and the solvent, only benzalkonium chloride and sodium edetate. 42) Inhalable solution or suspension according to any one of claims 32 to 40, comprising, in addition to the active substances 1 and 2 and the solvent, only benzalkonium chloride. 43) Inhalable solution or suspension according to any one of claims 16 to 42; Intellectual Property Office of N.Z. 2 0 OCT 2006 b f r. f iv e d 41 wherein it is a concentrate or a sterile ready-to-use inhalable solution or suspension. 44) Use of a composition according to any one of claims 1 to 17 and 19 to 43 for preparing a medicament for treating inflammatory and/or obstructive diseases of the respiratory tract. 45) Composition according to any one of claims 1 to 43 for use in the treatment of inflammatory and/or obstructive diseases of the respiratory tract. 46) Capsules according to claim 18 for use in the treatment of inflammatory and/or obstructive diseases of the respiratory tract. 47) A pharmaceutical composition according to any one of claims 1 to 17, 19 to 43 and 45 substantially as described herein with reference to the Figures and /or Examples. 48) The use of a composition according to claim 44 substantially as described herein with reference to the Figures and /or Examples. 49) Capsules according to claim 18 substantially as herein described. Boehringer Ingelheim Pharma GmbH & Co. KG Intellectual Property Office of N Z 20 OCT 2006
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