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CN106176673A - A kind of Aiweimopan stomach dissolution type pellet tablet and preparation method thereof - Google Patents

A kind of Aiweimopan stomach dissolution type pellet tablet and preparation method thereof Download PDF

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Publication number
CN106176673A
CN106176673A CN201610827724.2A CN201610827724A CN106176673A CN 106176673 A CN106176673 A CN 106176673A CN 201610827724 A CN201610827724 A CN 201610827724A CN 106176673 A CN106176673 A CN 106176673A
Authority
CN
China
Prior art keywords
aiweimopan
dissolution type
stomach dissolution
micropill
tablet
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN201610827724.2A
Other languages
Chinese (zh)
Inventor
雷林芳
王欣
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Foshan Hongtai Pharmaceutical Development Co Ltd
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Foshan Hongtai Pharmaceutical Development Co Ltd
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
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Priority to CN201610827724.2A priority Critical patent/CN106176673A/en
Publication of CN106176673A publication Critical patent/CN106176673A/en
Pending legal-status Critical Current

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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/48Preparations in capsules, e.g. of gelatin, of chocolate
    • A61K9/50Microcapsules having a gas, liquid or semi-solid filling; Solid microparticles or pellets surrounded by a distinct coating layer, e.g. coated microspheres, coated drug crystals
    • A61K9/5005Wall or coating material
    • A61K9/5021Organic macromolecular compounds
    • A61K9/5036Polysaccharides, e.g. gums, alginate; Cyclodextrin
    • A61K9/5042Cellulose; Cellulose derivatives, e.g. phthalate or acetate succinate esters of hydroxypropyl methylcellulose
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00Medicinal preparations containing organic active ingredients
    • A61K31/33Heterocyclic compounds
    • A61K31/395Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
    • A61K31/435Heterocyclic 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
    • A61K31/44Non condensed pyridines; Hydrogenated derivatives thereof
    • A61K31/445Non condensed piperidines, e.g. piperocaine
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/20Pills, tablets, discs, rods
    • A61K9/2072Pills, tablets, discs, rods characterised by shape, structure or size; Tablets with holes, special break lines or identification marks; Partially coated tablets; Disintegrating flat shaped forms
    • A61K9/2077Tablets comprising drug-containing microparticles in a substantial amount of supporting matrix; Multiparticulate tablets
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00Medicinal preparations characterised by special physical form
    • A61K9/20Pills, tablets, discs, rods
    • A61K9/2095Tabletting processes; Dosage units made by direct compression of powders or specially processed granules, by eliminating solvents, by melt-extrusion, by injection molding, by 3D printing

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  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Engineering & Computer Science (AREA)
  • Medicinal Preparation (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Abstract

The invention discloses a kind of Aiweimopan pellet tablet and preparation method thereof, this medicine is intestinal obstruction after iatrotechnics, first with fluidized bed coating technique, principal agent Aiweimopan is prepared as stomach dissolution type coated micropill, after then being mixed with filler, disintegrating agent, binding agent, plasticizer, lubricant etc. by coated micropill, prepares stomach dissolution type tablet with compressing dry granulation technology.This tablet can directly be swallowed, it is also possible in water, rapid disintegrate becomes micropill, conveniently swallows inconvenient patient particularly children taking.It is that one both can guarantee that dosage was accurate, the dosage form of safety, taking convenience again.

Description

A kind of Aiweimopan stomach dissolution type pellet tablet and preparation method thereof
Technical field
The invention belongs to pharmaceutical field, relate to a kind of pellet tablet, be specifically related to a kind of Aiweimopan stomach dissolution type pellet tablet and Its preparation method.
Background technology
1, medicine overview
Ai Weiyingpan (Alvimopan) is to be combined with A Daoluo (Adolor) company by GlaxoSmithKline PLC company (GSK) by this medicine Exploitation, Aiweimopan (alvimopan), was used by FDA (Food and Drug Adminstration) (FDA) approval listing on May 20th, 2008 In the gastrointestinal function early recovery of intestinal excision postoperative patient, trade name Entereg.Aiweimopan be a kind of novel outside All μ type opiate receptor antagonists, clinically for the gastrointestinal dysfunction performed the operation and use opioid drug to cause, idiopathic Constipation and irritable bowel syndrome etc..
2, market prospect
Postoperative intestinal obstruction (Post-operative ileus) is called for short POI.It is common among all abdominal operations, its genesis mechanism Complex, the most not completely remove, mainly show themselves in that stomachache, Nausea and vomiting, can not take food, abdominal distension/flatulence, row Just delay etc..Postoperative intestinal obstruction makes troubles to patient's post-operative recovery, and puts off long length of patient stay, causes the biggest economy Burden, how to overcome POI and as early as possible recovery patient's gastrointestinal tract function be always a postoperative difficult problem.It is special to there is no clinically at present Medicine treat, main method is some simple Supporting Therapys, and effect is the most undesirable.Therefore a kind of curative effect of exploitation is bright Really, to the treatment of POI and to improve the prognosis of patients with abdominal surgery significant for the medicine that safety is good.Aiweimopan is A unique medicine with good clinic, market prospect in this field at present, the peripheral action mechanism of its uniqueness makes it There is the highest targeting feature.Aiweimopan enters gastrointestinal μ type opiate receptor to be played antagonism, owing to can not pass through blood Brain barrier, does not therefore affect the opium effect mediated by nervus centralis, does not affect making of opioid analgesic medicine in operation With.Aiweimopan has determined curative effect, and it has good prospect in the application of operation.
For the patient of dysphagia, particularly child and old man, exploitation one both safe and effective, taking conveniences, again can Ensure that dosage product accurately is very important.
Summary of the invention
The invention provides a kind of steady quality, evident in efficacy, the Aiweimopan gastric solubleness used particular for child patient Type pellet tablet.
The pellet tablet of the present invention can rapid disintegrate be micropill in water, facilitates the child patient of dysphagia to take, and improves Safety, it is ensured that medication dose is accurate.
The pellet tablet of the present invention, is first prepared as stomach dissolution type coating with fluidized bed coating technique by principal agent Aiweimopan micro- Ball, with compressing dry granulation technology system after then mixing coated micropill with filler, disintegrating agent, binding agent, plasticizer, lubricant etc. Standby one-tenth stomach dissolution type pellet tablet.
Aiweimopan stomach dissolution type pellet tablet of the present invention, composed of the following components:
Aiweimopan 1-20 part
Filler 100-500 part
Disintegrating agent 15-50 part
Binding agent 15-50 part
Lubricant 1-10 part
Macromolecule coating material 2-6 part
Plasticizer 1-4 part
Antitackiness agent 1-4 part
Pigment 2-5 part
Wherein, Aiweimopan micropill, composed of the following components:
Aiweimopan 1-20 part
Fine pellet core 100-200 part
Binding agent 15-30 part
Antitackiness agent 1-3 part
Stomach dissolution type coating powder 10-20 part
Wherein, the one or several during described fine pellet core is starch ball, sugar pill, microcrystalline Cellulose ball, lactose, dicalcium phosphate Kind;
Wherein, described filler is starch, sucrose, dextrin, lactose, pregelatinized Starch, microcrystalline Cellulose, mannitol, inorganic calcium One or more in salt, xylitol, sorbitol, glucose, erithritol;
Wherein, described disintegrating agent is dried starch, carboxymethyl starch sodium, low-substituted hydroxypropyl cellulose, crosslinked polyethylene pyrrolidine One or more in ketone, cross-linking sodium carboxymethyl cellulose;
Wherein, described binding agent be water, ethanol, starch slurry, sodium carboxymethyl cellulose, hypromellose, methylcellulose and One or more in ethyl cellulose, cross-linking sodium carboxymethyl cellulose;
Wherein, one or more during described lubricant is magnesium stearate, Pulvis Talci, polyethylene glycols, differential silica gel;
Wherein, described plain edition macromolecule coating material is hypromellose, hydroxypropylcellulose, methylcellulose, ethoxy One or more in cellulose;
Wherein, the one or several during described plasticizer is glycerol, Polyethylene Glycol, propylene glycol, Semen Maydis oil, Oleum Ricini, liquid Paraffin Kind;
Wherein, one or more during described antitackiness agent is Pulvis Talci, magnesium stearate, differential silica gel;
Wherein, one or more during described pigment is yellow ferric oxide, red ferric oxide.
In composition described above, part is weight portion, if in grams, composition described above can be made into 1000 compositions lists of compositions Position, described compositions unit refers to, the final product composition having made, and is 1000 as made tablet, is 1000 as made capsule, Make granule 1000.
Preferably, Aiweimopan stomach dissolution type pellet tablet of the present invention, (percentage by weight) composed of the following components:
Aiweimopan 1-20 part
Microcrystalline Cellulose 100-300 part
Low-substituted hydroxypropyl cellulose 15-50 part
Magnesium stearate 1-5 part
Hypromellose 2-10 part
Ferrum oxide 2-6 part
Pulvis Talci 1-4 part
Polyethylene glycol 6000 1-4 part
Wherein, Aiweimopan micropill, (percentage by weight) composed of the following components:
Aiweimopan 1-20 part
Fine pellet core 100-200 part
Hypromellose 6-20 part
Pulvis Talci 1-3 part
Stomach dissolution type coating powder 10-20 part
Further object is that the preparation method that Aiweimopan stomach dissolution type pellet tablet is provided, comprise the following steps:
1) being added to the water by binding agent, heating makes it be completely dissolved, and cooling adds Aiweimopan, after it is completely dissolved, and will be anti- Glutinous agent is dispersed in this solution;
2) fine pellet core is placed in fluid bed, then by step 1) in solution fluidized bed plant be uniformly sprayed at fine pellet core table Face, makes Aiweimopan micropill;
3) stomach dissolution type film coating powder is dissolved in ethanol so that it is dispersed;
4) Aiweimopan micropill is placed in fluid bed, then stomach dissolution type film coating solution fluidized bed plant is coated;
5) uniform to Aiweimopan coated micropill, filler, disintegrating agent, mix lubricant;
6) being pressed into the sheet of 0.1~0.5g weight, slice, thin piece shape can be polygon, capsule shape, circle, annular and all rational shapes Shape;
7) plain edition macromolecule coating material, plasticizer, antitackiness agent, pigment are added in ethanol so that it is dispersed;
8) sheet weighed up is put in coating pan, by step 7) in solution be uniformly sprayed on Aiweimopan pellet tablet,.
The Aiweimopan relatively conventional tablet of stomach dissolution type pellet tablet of the present invention has the following characteristics that
This stomach dissolution type pellet tablet is possible not only to directly swallow, and for the patient of dysphagia, can be dissolved in water first Row disintegrate is that micropill takes down again, is difficult to adhere on chamber wall, it is ensured that dosage is accurate, improves patient and takes medicine and comply with Property.
Aiweimopan stomach dissolution type pellet tablet of the present invention, also has the advantages that
(1) dosage is mainly for children, taking convenience, it is simple to carry;
(2) Aiweimopan has bitterness, and coating can cover bitterness, and drug compliance is good;
(3) tablet disintegrate can become micropill, convenient for children to swallow rapidly in water, is discharged by principal agent rapidly in gastric juice, biological profit Expenditure is high;
(4) principal agent micropill improves medicine stability after stomach dissolution type film coating liquid coating, it is simple to storage.
Detailed description of the invention
By specific examples below, the present invention is further illustrated, but not as the restriction of the present invention.
Prepared by embodiment 1 Aiweimopan stomach dissolution type pellet tablet
1.1 prescription
A, Aiweimopan stomach dissolution type micropill
Aiweimopan 12g
Starch capsule core 150g
Hypromellose 10g
Pulvis Talci 3g
Stomach dissolution type coating powder 10g
Purified water 300g
Ethanol 100g
B, Aiweimopan stomach dissolution type pellet tablet
1.2 methods preparing above-mentioned prescription Aiweimopan stomach dissolution type pellet tablet, follow the steps below:
1) being added to the water by hypromellose, heating makes it be completely dissolved, and cooling adds Aiweimopan, treats that it is completely dissolved After, Pulvis Talci is dispersed in this solution;
2) starch capsule core is placed in fluid bed, then " 1) " will uniformly be sprayed at starch capsule core table by solution fluidized bed plant Face, makes Aiweimopan micropill;
3) stomach dissolution type film coating powder is dissolved in ethanol so that it is dispersed;
4) Aiweimopan micropill is placed in fluid bed, then stomach dissolution type film coating solution fluidized bed plant is coated;
5) Aiweimopan coated micropill, microcrystalline Cellulose, low-substituted hydroxypropyl cellulose, magnesium stearate mix homogeneously;
6) sheet of 0.1~0.8g weight it is pressed into.Slice, thin piece shape can be polygon, capsule shape, circle, annular and all rational shapes Shape;
7) hypromellose, polyethylene glycol 6000, Pulvis Talci, yellow ferric oxide are added in ethanol so that it is be uniformly dispersed;
8) sheet weighed up is put in coating pan, will " 7) " in solution be uniformly sprayed on Aiweimopan pellet tablet so that it is surface Smooth, color even.
Prepared by embodiment 2 Aiweimopan stomach dissolution type pellet tablet
2.1 prescription
A, Aiweimopan stomach dissolution type micropill
Aiweimopan 24g
Starch capsule core 100g
Hypromellose 8g
Pulvis Talci 3g
Stomach dissolution type coating powder 10g
Purified water 250g
Ethanol 100g
B, Aiweimopan stomach dissolution type pellet tablet
2.2 methods preparing above-mentioned prescription Aiweimopan stomach dissolution type pellet tablet, follow the steps below:
1) being added to the water by hypromellose, heating makes it be completely dissolved, and cooling adds Aiweimopan, treats that it is completely dissolved After, Pulvis Talci is dispersed in this solution;
2) starch capsule core is placed in fluid bed, then " 1) " will uniformly be sprayed at starch capsule core table by solution fluidized bed plant Face, makes Aiweimopan micropill;
3) stomach dissolution type film coating powder is dissolved in ethanol so that it is dispersed;
4) Aiweimopan micropill is placed in fluid bed, then stomach dissolution type film coating solution fluidized bed plant is coated;
5) Aiweimopan coated micropill, microcrystalline Cellulose, low-substituted hydroxypropyl cellulose, magnesium stearate mix homogeneously;
6) sheet of 0.1~0.8g weight it is pressed into.Slice, thin piece shape can be polygon, capsule shape, circle, annular and all rational shapes Shape;
7) hypromellose, polyethylene glycol 6000, Pulvis Talci, yellow ferric oxide are added in ethanol so that it is be uniformly dispersed;
8) sheet weighed up is put in coating pan, will " 7) " in solution be uniformly sprayed on Aiweimopan pellet tablet so that it is surface Smooth, color even.
Prepared by embodiment 3 Aiweimopan stomach dissolution type pellet tablet
3.1 prescription
A, Aiweimopan stomach dissolution type micropill
Aiweimopan 6g
Starch capsule core 80g
Hypromellose 6g
Pulvis Talci 3g
Stomach dissolution type coating powder 10g
Purified water 160g
Ethanol 100g
B, Aiweimopan stomach dissolution type pellet tablet
3.2 methods preparing above-mentioned prescription Aiweimopan stomach dissolution type pellet tablet, follow the steps below:
1) being added to the water by hypromellose, heating makes it be completely dissolved, and cooling adds Aiweimopan, treats that it is completely dissolved After, Pulvis Talci is dispersed in this solution;
2) starch capsule core is placed in fluid bed, then " 1) " will uniformly be sprayed at starch capsule core table by solution fluidized bed plant Face, makes Aiweimopan micropill;
3) stomach dissolution type film coating powder is dissolved in ethanol so that it is dispersed;
4) Aiweimopan micropill is placed in fluid bed, then stomach dissolution type film coating solution fluidized bed plant is coated;
5) Aiweimopan coated micropill, microcrystalline Cellulose, low-substituted hydroxypropyl cellulose, magnesium stearate mix homogeneously;
6) sheet of 0.1~0.8g weight it is pressed into.Slice, thin piece shape can be polygon, capsule shape, circle, annular and all rational shapes Shape;
7) hypromellose, polyethylene glycol 6000, Pulvis Talci, yellow ferric oxide are added in ethanol so that it is be uniformly dispersed;
8) sheet weighed up is put in coating pan, will " 7) " in solution be uniformly sprayed on Aiweimopan pellet tablet so that it is surface Smooth, color even.

Claims (3)

1. an Aiweimopan stomach dissolution type pellet tablet, composed of the following components:
Aiweimopan 1-20 part Filler 100-500 part Disintegrating agent 15-50 part Binding agent 15-50 part Lubricant 1-10 part Macromolecule coating material 2-6 part Plasticizer 1-4 part Antitackiness agent 1-4 part Pigment 2-5 part
Pellet tablet described in accordance with the above, it is characterised in that Aiweimopan micropill, composed of the following components:
Aiweimopan 1-20 part Fine pellet core 100-200 part Binding agent 15-30 part Antitackiness agent 1-3 part Stomach dissolution type coating powder 10-20 part
Pellet tablet in accordance with the above, it is characterised in that
Wherein, the one or several during described fine pellet core is starch ball, sugar pill, microcrystalline Cellulose ball, lactose, dicalcium phosphate Kind;
Wherein, described filler is starch, sucrose, dextrin, lactose, pregelatinized Starch, microcrystalline Cellulose, mannitol, inorganic calcium One or more in salt, xylitol, sorbitol, glucose, erithritol;
Wherein, described disintegrating agent is dried starch, carboxymethyl starch sodium, low-substituted hydroxypropyl cellulose, crosslinked polyethylene pyrrolidine One or more in ketone, cross-linking sodium carboxymethyl cellulose;
Wherein, described binding agent be water, ethanol, starch slurry, sodium carboxymethyl cellulose, hypromellose, methylcellulose and One or more in ethyl cellulose, cross-linking sodium carboxymethyl cellulose;
Wherein, one or more during described lubricant is magnesium stearate, Pulvis Talci, polyethylene glycols, differential silica gel;
Wherein, described plain edition macromolecule coating material is hypromellose, hydroxypropylcellulose, methylcellulose, ethoxy One or more in cellulose;
Wherein, the one or several during described plasticizer is glycerol, Polyethylene Glycol, propylene glycol, Semen Maydis oil, Oleum Ricini, liquid Paraffin Kind;
Wherein, one or more during described antitackiness agent is Pulvis Talci, magnesium stearate, differential silica gel;
Wherein, one or more during described pigment is yellow ferric oxide, red ferric oxide.
Pellet tablet the most according to claim 1, it is characterised in that composed of the following components:
Aiweimopan 1-20 part Microcrystalline Cellulose 100-300 part Low-substituted hydroxypropyl cellulose 15-50 part Magnesium stearate 1-5 part Hypromellose 2-10 part Ferrum oxide 2-6 part Pulvis Talci 1-4 part Polyethylene glycol 6000 1-4 part
Pellet tablet according to claim 1, it is characterised in that Aiweimopan micropill, composed of the following components:
Aiweimopan 1-20 part Fine pellet core 100-200 part Hypromellose 6-20 part Pulvis Talci 1-3 part Stomach dissolution type coating powder 10-20 part
Pellet tablet according to claim 1, it is characterised in that every weight is 0.1~0.8g.
Pellet tablet the most according to claim 1, it is characterised in that composed of the following components:
Aiweimopan 12g Microcrystalline Cellulose 200g Low-substituted hydroxypropyl cellulose 20g Magnesium stearate 3g Hypromellose 5g Ferrum oxide 2g Pulvis Talci 3g Polyethylene glycol 6000 2g
Wherein, Aiweimopan micropill consists of the following composition:
Aiweimopan 12g Starch capsule core 150g Hypromellose 10g Pulvis Talci 3g Stomach dissolution type coating powder 10g Purified water 200g Ethanol 100g
The preparation method of the pellet tablet described in claim 1, it is characterised in that comprise the following steps:
1) being added to the water by binding agent, heating makes it be completely dissolved, and cooling adds Aiweimopan, after it is completely dissolved, and will be anti- Glutinous agent is dispersed in this solution;
2) fine pellet core is placed in fluid bed, then by step 1) in solution fluidized bed plant be uniformly sprayed at fine pellet core table Face, makes Aiweimopan micropill;
3) stomach dissolution type film coating powder is dissolved in ethanol so that it is dispersed;
4) Aiweimopan micropill is placed in fluid bed, then stomach dissolution type film coating solution fluidized bed plant is coated;
5) uniform to Aiweimopan coated micropill, filler, disintegrating agent, mix lubricant;
6) being pressed into the sheet of 0.1~0.8g weight, slice, thin piece shape can be polygon, capsule shape, circle, annular and all rational shapes Shape;
7) plain edition macromolecule coating material, plasticizer, antitackiness agent, pigment are added in ethanol so that it is dispersed;
8) sheet weighed up is put in coating pan, by step 7) in solution be uniformly sprayed on Aiweimopan pellet tablet,.
CN201610827724.2A 2016-09-18 2016-09-18 A kind of Aiweimopan stomach dissolution type pellet tablet and preparation method thereof Pending CN106176673A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610827724.2A CN106176673A (en) 2016-09-18 2016-09-18 A kind of Aiweimopan stomach dissolution type pellet tablet and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610827724.2A CN106176673A (en) 2016-09-18 2016-09-18 A kind of Aiweimopan stomach dissolution type pellet tablet and preparation method thereof

Publications (1)

Publication Number Publication Date
CN106176673A true CN106176673A (en) 2016-12-07

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007044713A1 (en) * 2005-10-07 2007-04-19 Adolor Corporation Solid dispersions of opioid antagonists
CN101355942A (en) * 2005-10-07 2009-01-28 阿得罗公司 Solid dispersions of opioid antagonists
CN101429154A (en) * 2008-11-14 2009-05-13 天津泰普药品科技发展有限公司 Anhydrous alvimopan and medicament composition thereof
CN102499908A (en) * 2011-12-22 2012-06-20 天津泰普药品科技发展有限公司 Alvimopan solid preparation and preparation method thereof
CN103948593A (en) * 2014-05-21 2014-07-30 福建省微生物研究所 Alvimopan medicine composition and preparation method thereof
CN104546791A (en) * 2013-10-16 2015-04-29 辽宁亿灵科创生物医药科技有限公司 Solid preparation for opioid receptor antagonist and preparation method of solid preparation
CN105399659A (en) * 2015-10-26 2016-03-16 扬子江药业集团北京海燕药业有限公司 Amorphous alvimopan and preparation method thereof
CN105663064A (en) * 2016-03-31 2016-06-15 河南蓝图制药有限公司 Imatinib mesylate gastric-soluble pellet tablet and preparation method thereof
CN105820106A (en) * 2015-01-07 2016-08-03 上海医药工业研究院 Method for preparing Alvimopan intermediate

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007044713A1 (en) * 2005-10-07 2007-04-19 Adolor Corporation Solid dispersions of opioid antagonists
CN101355942A (en) * 2005-10-07 2009-01-28 阿得罗公司 Solid dispersions of opioid antagonists
CN101429154A (en) * 2008-11-14 2009-05-13 天津泰普药品科技发展有限公司 Anhydrous alvimopan and medicament composition thereof
CN102499908A (en) * 2011-12-22 2012-06-20 天津泰普药品科技发展有限公司 Alvimopan solid preparation and preparation method thereof
CN104546791A (en) * 2013-10-16 2015-04-29 辽宁亿灵科创生物医药科技有限公司 Solid preparation for opioid receptor antagonist and preparation method of solid preparation
CN103948593A (en) * 2014-05-21 2014-07-30 福建省微生物研究所 Alvimopan medicine composition and preparation method thereof
CN105820106A (en) * 2015-01-07 2016-08-03 上海医药工业研究院 Method for preparing Alvimopan intermediate
CN105399659A (en) * 2015-10-26 2016-03-16 扬子江药业集团北京海燕药业有限公司 Amorphous alvimopan and preparation method thereof
CN105663064A (en) * 2016-03-31 2016-06-15 河南蓝图制药有限公司 Imatinib mesylate gastric-soluble pellet tablet and preparation method thereof

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Title
刘红,等: "高效液相色谱法测定阿维莫泮胶囊的含量", 《医学信息》 *

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Application publication date: 20161207