JP5230045B2 - グリア芽細胞腫の治療のための抗癌剤を放出する生物分解性のミクロスフェアの使用 - Google Patents
グリア芽細胞腫の治療のための抗癌剤を放出する生物分解性のミクロスフェアの使用 Download PDFInfo
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- 229920000747 poly(lactic acid) Polymers 0.000 description 1
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- 108090000765 processed proteins & peptides Proteins 0.000 description 1
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- 238000010992 reflux Methods 0.000 description 1
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- 238000011450 sequencing therapy Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 229920000260 silastic Polymers 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000007920 subcutaneous administration Methods 0.000 description 1
- 230000003319 supportive effect Effects 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 238000007910 systemic administration Methods 0.000 description 1
- 231100000057 systemic toxicity Toxicity 0.000 description 1
- RCINICONZNJXQF-MZXODVADSA-N taxol Chemical compound O([C@@H]1[C@@]2(C[C@@H](C(C)=C(C2(C)C)[C@H](C([C@]2(C)[C@@H](O)C[C@H]3OC[C@]3([C@H]21)OC(C)=O)=O)OC(=O)C)OC(=O)[C@H](O)[C@@H](NC(=O)C=1C=CC=CC=1)C=1C=CC=CC=1)O)C(=O)C1=CC=CC=C1 RCINICONZNJXQF-MZXODVADSA-N 0.000 description 1
- 231100001274 therapeutic index Toxicity 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
- 235000019157 thiamine Nutrition 0.000 description 1
- 239000011721 thiamine Substances 0.000 description 1
- 229960000303 topotecan Drugs 0.000 description 1
- UCFGDBYHRUNTLO-QHCPKHFHSA-N topotecan Chemical compound C1=C(O)C(CN(C)C)=C2C=C(CN3C4=CC5=C(C3=O)COC(=O)[C@]5(O)CC)C4=NC2=C1 UCFGDBYHRUNTLO-QHCPKHFHSA-N 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
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- 230000001052 transient effect Effects 0.000 description 1
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- 229960005356 urokinase Drugs 0.000 description 1
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/14—Particulate form, e.g. powders, Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles
- A61K9/16—Agglomerates; Granulates; Microbeadlets ; Microspheres; Pellets; Solid products obtained by spray drying, spray freeze drying, spray congealing,(multiple) emulsion solvent evaporation or extraction
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/0012—Galenical forms characterised by the site of application
- A61K9/0085—Brain, e.g. brain implants; Spinal cord
-
- 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
- A61K31/513—Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim having oxo groups directly attached to the heterocyclic ring, e.g. cytosine
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- 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
-
- 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
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/14—Particulate form, e.g. powders, Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles
- A61K9/16—Agglomerates; Granulates; Microbeadlets ; Microspheres; Pellets; Solid products obtained by spray drying, spray freeze drying, spray congealing,(multiple) emulsion solvent evaporation or extraction
- A61K9/1605—Excipients; Inactive ingredients
- A61K9/1629—Organic macromolecular compounds
- A61K9/1641—Organic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyethylene glycol, poloxamers
- A61K9/1647—Polyesters, e.g. poly(lactide-co-glycolide)
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P35/00—Antineoplastic agents
Landscapes
- Health & Medical Sciences (AREA)
- Veterinary Medicine (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)
- Epidemiology (AREA)
- Engineering & Computer Science (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Neurology (AREA)
- Biomedical Technology (AREA)
- Neurosurgery (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Psychology (AREA)
- Organic Chemistry (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Preparation (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Description
−1と1.5質量/容量%との間、好ましくは1.25質量/容量%の粘度調節剤、例えばカルボキシメチルセルロースナトリウム
−0.5と1.5%との間、好ましくは1%の界面活性剤、例えばポリソルベート80(登録商標)、及び
−3.5と4.5%との間、好ましくは4%の等張剤、例えばマンニトール。
実施例1
Boisdron-Celle M, Menei P及びBenoit JP(Preparation of biodegradable 5-fluorouracil-loaded microspheres, J Pharm Pharmacol, 47, 108-114, 1995)によって記載された方法の変法に従い、溶媒技術の乳化抽出を用いてミクロスフェアを製造した。
5-FUをピルベリゼッテ7(Pulverisette 7)(フリッチュ社 (Fritsch))のような遊星型ボールミル中で粉砕する。8.5gの5-FUを7個のビーズを含むビーカー中に導入する。粉砕を速度7で10分間持続する。粉末を層流フード下にて回収する。得られた結晶は大きさが15〜50μmであり、二つのフラクション:細かいフラクション(粒子経1μm未満)及び粗いフラクション(30μm超)に分けられる。
粉砕した5-FUを丸底試験管中でウルトラ−ツラックスマシーン(Ultra-Turrax machine)のようなホモジナイザーを用いて13500rpmで3分間撹拌しながら45mlのジクロロメタンに分散する。
5-FU分散液を150mlの被覆された冷却反応器へ移す。PLAGAをそこへ添加し、PLAGA/ジクロロメタン比率を11%に等しくする。有機相をパドルを用いて450rpm、20℃で4時間、次いで2℃で15分間撹拌する。反応器内の温度を低温保持装置を用いて0.1℃の範囲内で一定に維持する。
1500mlのオートクレーブ処理された10%PVA水溶液を調製し、6リットル容の被覆された冷却反応器中にて2℃で維持する。次いで、最初の反応器の底部バルブを開くことによって、有機相をこの反応器中に移す。有機相を5〜10秒かけて水相へ注ぎ、水相をパドルを用いて375rpmで回転させて撹拌する。水相/有機相の体積比率は100/3である。
エマルジョンを用意し、4℃で4.5lの抽出水を、エマルジョン/水の体積比が1/3に等しくなるようにエマルジョンに注ぐ。抽出を2分持続する。
第2反応器の全内容物を、底部を介してステンレススチールタンクへ移し、次いで窒素雰囲気下に置く。懸濁液を細孔直径3μmのフィルターで濾過する。
実施例1の溶媒技術の乳化−抽出を用いてミクロスフェアを調製する。
実施例1と同様な手順を行い、4gの5-FUを粉砕する。
粉砕した5-FUを丸底試験管中でウルトラ−ツラックスマシーン(Ultra-Turrax machine)のようなホモジナイザーを用いて13500rpmで3.5分間撹拌しながら40mlのジクロロメタンに分散する。
− 有機相及びエマルジョンを実施例1と同様に調製する。
− 抽出及び濾過を実施例1と同様に行う。
得られたミクロスフェアの特性
5-FU含有量:22%
大きさ:46±7μm
19 kGyの放射線滅菌から24時間後のバースト作用:40±4%。
実施例1の50:50 PLAGA/5-FUミクロスフェアを用いてフェーズI/IIオープンパイロット臨床研究を行う。
− 1.25%重量/体積のカルボキシメチルセルロースナトリウム(クーパー(Cooper))、
− 1%のポリソルベート80、
− 4%のマンニトール、及び
− 注射剤として十分な量の水
を含有する溶液中に即時懸濁し、総体積3mlを得る。
Claims (11)
- 乳化抽出によりポリマーで被覆され抗癌剤を含む生物分解性ミクロスフェアの調製方法であって、
ポリマーを添加する前に激しく攪拌しながら抗癌剤を、共溶媒なしに有機溶媒中に分散させる工程、
ポリマーを添加し、室温で2から4時間一定速度の撹拌を維持し、次いで、温度を15分間1から5℃との間に下げる工程、
エマルジョンを得るために、水相と有機相を同じ温度にして、水相と得られた有機相を混合する工程、
水を添加することにより有機溶媒を抽出する工程、及び
得られたミクロスフェアの懸濁液を濾過する工程、
を含む、生物分解性ミクロスフェアの調製方法。
- 有機溶媒がジクロロメタンであることを特徴とする請求項1に記載の方法。
- 水相及び有機相が混合されるときに、水相及び有機相が2℃に等しい温度を有することを特徴とする請求項1又は2に記載の方法。
- 有機相がポリマーを11%含むことを特徴とする請求項1から3のいずれかに記載の方法。
- 水相/有機相の比率が100/3に等しいことを特徴とする請求項1から4のいずれかに記載の方法。
- 水相と有機相とからなるエマルジョンが少なくとも3分間混合されることを特徴とする請求項1から5のいずれかに記載の方法。
- 有機溶媒の抽出に必要とされる水が、エマルジョン/水の容量比が1/3に等しくなるような割合で添加されることを特徴とする請求項1から6のいずれかに記載の方法。
- 有機溶媒の抽出に必要とされる水の温度が4℃であることを特徴とする請求項1から7のいずれかに記載の方法。
- 有機溶媒中に分散される前に抗癌剤が粉砕され、それにより抗癌剤の結晶サイズが15と50μmとの間であることを特徴とする請求項1から8のいずれかに記載の方法。
- 抽出水が添加された後に、得られる懸濁液が不活性雰囲気下で濾過されることを特徴とする請求項1から9のいずれかに記載の方法。
- ミクロスフェアが凍結乾燥されていることを特徴とする請求項1から10のいずれかに記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR99/06207 | 1999-05-17 | ||
FR9906207A FR2793684B1 (fr) | 1999-05-17 | 1999-05-17 | Utilisation de microspheres biodegradables liberant un agent anticancereux pour le traitement du glioblastome, procede de preparation de ces microspheres et suspension les contenant |
PCT/FR2000/001315 WO2000069413A1 (fr) | 1999-05-17 | 2000-05-17 | Utilisation de microspheres biodegradables liberant un agent anticancereux pour le traitement du glioblastome |
Publications (2)
Publication Number | Publication Date |
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JP2002544219A JP2002544219A (ja) | 2002-12-24 |
JP5230045B2 true JP5230045B2 (ja) | 2013-07-10 |
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ID=9545636
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Application Number | Title | Priority Date | Filing Date |
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JP2000617872A Expired - Fee Related JP5230045B2 (ja) | 1999-05-17 | 2000-05-17 | グリア芽細胞腫の治療のための抗癌剤を放出する生物分解性のミクロスフェアの使用 |
Country Status (30)
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US (2) | US6803052B2 (ja) |
EP (2) | EP1228755A1 (ja) |
JP (1) | JP5230045B2 (ja) |
KR (1) | KR100649948B1 (ja) |
CN (1) | CN1210020C (ja) |
AR (1) | AR024008A1 (ja) |
AT (1) | ATE228353T1 (ja) |
AU (1) | AU775320B2 (ja) |
BG (1) | BG64936B1 (ja) |
BR (1) | BR0010648A (ja) |
CA (1) | CA2388656C (ja) |
CZ (1) | CZ20014137A3 (ja) |
DE (1) | DE60000842T2 (ja) |
DK (1) | DK1053746T3 (ja) |
EA (1) | EA004943B1 (ja) |
ES (1) | ES2185544T3 (ja) |
FR (1) | FR2793684B1 (ja) |
HK (1) | HK1047044B (ja) |
HU (1) | HUP0201224A3 (ja) |
IL (2) | IL146467A0 (ja) |
MX (1) | MXPA01011919A (ja) |
NO (1) | NO331686B1 (ja) |
NZ (1) | NZ515515A (ja) |
PL (1) | PL201614B1 (ja) |
PT (1) | PT1053746E (ja) |
SI (1) | SI1053746T1 (ja) |
SK (1) | SK16342001A3 (ja) |
TW (1) | TWI229608B (ja) |
WO (1) | WO2000069413A1 (ja) |
ZA (1) | ZA200109415B (ja) |
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1999
- 1999-05-17 FR FR9906207A patent/FR2793684B1/fr not_active Expired - Lifetime
-
2000
- 2000-05-17 HU HU0201224A patent/HUP0201224A3/hu unknown
- 2000-05-17 ES ES00401344T patent/ES2185544T3/es not_active Expired - Lifetime
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