JP6621158B1 - 放射線増感剤 - Google Patents
放射線増感剤 Download PDFInfo
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- JP6621158B1 JP6621158B1 JP2019039749A JP2019039749A JP6621158B1 JP 6621158 B1 JP6621158 B1 JP 6621158B1 JP 2019039749 A JP2019039749 A JP 2019039749A JP 2019039749 A JP2019039749 A JP 2019039749A JP 6621158 B1 JP6621158 B1 JP 6621158B1
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Classifications
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- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/70—Carbohydrates; Sugars; Derivatives thereof
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- A61K31/7032—Compounds having saccharide radicals attached to non-saccharide compounds by glycosidic linkages attached to a polyol, i.e. compounds having two or more free or esterified hydroxy groups, including the hydroxy group involved in the glycosidic linkage, e.g. monoglucosyldiacylglycerides, lactobionic acid, gangliosides
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- A—HUMAN NECESSITIES
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- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K41/00—Medicinal preparations obtained by treating materials with wave energy or particle radiation ; Therapies using these preparations
- A61K41/0038—Radiosensitizing, i.e. administration of pharmaceutical agents that enhance the effect of radiotherapy
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- 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
- A61K31/70—Carbohydrates; Sugars; Derivatives thereof
- A61K31/7028—Compounds having saccharide radicals attached to non-saccharide compounds by glycosidic linkages
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61P35/00—Antineoplastic agents
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
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Abstract
Description
左上顎口腔メラノーマに罹患していたイヌに対し、放射線増感剤を併用した放射線治療を毎週1回、計4回行った。使用した放射線増感剤は化合物Aであった。化合物Aは、式(I)においてR1=CO(CH2)16CH3(ステアロイル基:ステアリン酸のアシル残基)である、αアノマーの化合物(αSQAP C18:0)である。
鼻腔腺癌の罹患歴があるイヌに対し、手術による腫瘍の除去後2年1ヶ月を経て再発した鼻腔腺癌の治療のため、放射線増感剤を併用した放射線治療を毎日1回、計4回行った。使用した放射線増感剤は上記の化合物Aであった。1回の放射線治療は以下のように行った。まず、8mg/kgの化合物Aを静脈内投与し、直ちに腫瘍に対して4.5Gyの放射線(X線、6MV)を照射した。
左鼻腔内リンパ腫に罹患していたネコに対し、放射線治療を毎週1回、計6回行った。1回の放射線治療においては、5.5Gyの放射線(X線、4MV)を照射した。しかしながら、腫瘍縮小効果は認められず、放射線治療にもかかわらずかえって腫瘍の増大が認められ、眉間部の腫大化が観察された。
鼻腔内腺癌に罹患していた22頭のイヌを、放射線増感剤投与群(11頭)と非投与群(11頭)に分類し、放射線増感剤を併用した放射線治療の対照試験を行った。
再発した口腔内扁平上皮癌に罹患していたネコに対し、放射線増感剤を併用した放射線治療を計3回行った。使用した放射線増感剤は上記の化合物Aであった。1回の放射線治療においては、まず1mg/kgの化合物Aを静脈内投与し、直ちに腫瘍に対して放射線(X線、4MV)を照射した。放射線の照射量は合計21Gyであった。
左上顎扁平上皮癌に罹患していたネコに対し、放射線増感剤を併用した放射線治療を計5回行った。使用した放射線増感剤は上記の化合物Aであった。1回の放射線治療においては、まず2〜4mg/kgの化合物Aを静脈内投与し、直ちに腫瘍に対して放射線(X線、6MV)を照射した。放射線の照射量は合計32.5Gy(7.5Gy×3回+5Gy×2回)であった。
Claims (7)
- 前記患者がイヌ又はネコであることを特徴とする、請求項1に記載の放射線増感剤。
- 前記がんがメラノーマ又はリンパ腫であることを特徴とする、請求項1又は2に記載の放射線増感剤。
- 前記がんが腺癌又は扁平上皮癌であることを特徴とする、請求項1又は2に記載の放射線増感剤。
- 1回あたり0.5mg/kg以上の一般式(I)で表される化合物が患者に投与されるように用いられることを特徴とする、請求項1から4のいずれか1項に記載の放射線増感剤。
- 前記セットを、1日に1回以下かつ1ヶ月に1回以上の頻度で繰り返すように用いられることを特徴とする、請求項1から5のいずれか1項に記載の放射線増感剤。
- R1がステアロイル基であることを特徴とする、請求項1から6のいずれか1項に記載の放射線増感剤。
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CN201980093541.4A CN113507939A (zh) | 2019-03-05 | 2019-10-24 | 放射增敏剂 |
SG11202109635R SG11202109635RA (en) | 2019-03-05 | 2019-10-24 | Radiosensitizing agent |
PCT/JP2019/041730 WO2020179125A1 (ja) | 2019-03-05 | 2019-10-24 | 放射線増感剤 |
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