JP6616780B2 - 放出制御組成物及び方法 - Google Patents
放出制御組成物及び方法 Download PDFInfo
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- JP6616780B2 JP6616780B2 JP2016556754A JP2016556754A JP6616780B2 JP 6616780 B2 JP6616780 B2 JP 6616780B2 JP 2016556754 A JP2016556754 A JP 2016556754A JP 2016556754 A JP2016556754 A JP 2016556754A JP 6616780 B2 JP6616780 B2 JP 6616780B2
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- hlb value
- ethylcellulose
- aid
- fusion aid
- surfactant
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Classifications
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- A61K9/50—Microcapsules 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
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- 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
- A61K31/519—Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim ortho- or peri-condensed with heterocyclic rings
- A61K31/52—Purines, e.g. adenine
- A61K31/522—Purines, e.g. adenine having oxo groups directly attached to the heterocyclic ring, e.g. hypoxanthine, guanine, acyclovir
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- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/55—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having seven-membered rings, e.g. azelastine, pentylenetetrazole
- A61K31/554—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having seven-membered rings, e.g. azelastine, pentylenetetrazole having at least one nitrogen and one sulfur as ring hetero atoms, e.g. clothiapine, diltiazem
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- A61K9/5089—Processes
Description
最低フィルム形成温度(“MFFT”)についてのプロピレングリコールモノエステルの効果
24重量%のトリエチルシトレート(“TEC”)(エチルセルロースポリマーの重量に基づく)と共に、以下の表1に示される重量で示される融合助剤(エチルセルロース固体の重量に基づく)を添加することによって、アクアコート(登録商標)ECD−30をベースとするいくつかの水性懸濁液を調製した。脱イオン水を添加して、懸濁液を15%固体に希釈した。
・PGML−プロピレングリコールモノラウレート。ラウログリコール(登録商標)90(Gattefosse)(HLB 4.3)。
・PGMC−プロピレングリコールモノカプリレート。カプリオール(登録商標)90(Gattefosse)(HLB 6)。
・PGML/PGDL−51.5%プロピレングリコールモノラウレート及び48.5%プロピレングリコールジラウレートを含む混合物。
MFFTについての他の類似した化学物質の効果
実施例1のプロセスを用いて、融合助剤として類似した化合物を用いていくつかの懸濁液を調製した。このような化合物は、9重量%の割合で添加された(エチルセルロース固体の重量に基づく)。評価した化合物は、PGDL(プロピレングリコールジラウレート、HLB 2)、GMC(グリセリルモノカプリレート、HLB 8.3)、GML(グリセリルモノオレエート、HLB 2.8)及びTGDS(トリグリセロールジイソステアレート、HLB 10−13)とした。PGDLが製剤のMFFTを効果的に低下させなかった一方、GMC、GML及びTGDSは製剤と良好な融和性を持っていなかった。長時間にわたって混合した後でさえも、製剤中に粘着性の残留物が見られた。MFFTバー上のフィルムは滑らかでなく、又は透明ではなかった。
テオフィリン放出速度についてのPGMLの効果
テオフィリンペレット(70%テオフィリン、Spansules Pharma Tech)を、融合助剤有り又は無しで、24%TEC可塑化アクアコート(登録商標)ECDコーティング製剤を用いてコーティングした。TECの使用基準はエチルセルロースポリマーの重量に基づく。コリコート(登録商標)IRを孔形成剤として使用した。コリコート(登録商標)IR対エチルセルロースの重量比は15/85に維持した。コーティング製剤を作る時、PGMLをアクアコート(登録商標)ECD−30中に添加した。
テオフィリン放出速度についてのソルビタンモノオレエートの効果
実施例3のプロセス及び材料を用いて、融合助剤として(PGMLではなく)12%ソルビタンモノオレエートを含むタブレットを製造した。未硬化及び硬化(60℃で2時間)の両方での薬剤放出のパーセンテージを、実施例3で記載したように測定した。このような試験の結果を表3に要約する。
ジルチアゼム放出速度についてのPGMLの効果
ジルチアゼムHClペレット(60%ジルチアゼムHCl、Ria International)を、融合助剤有り又は無しで、アクアコート(登録商標)ECDを用いてコーティングして、エチルセルロース固体をベースとする24%TECを用いて可塑化した。コーティングプロセスの条件は、入口温度65℃、噴霧量10.0g/分、露点10℃、空気流量65m3/時間、霧化圧2.0バールとした。コーティングしたペレットを湿度制御無しで60℃で2時間硬化した。入口温度は、多量の融合助剤が使用された時に粘着性となるのを避けるため、50℃から55℃に低下させた。ジルチアゼムHClペレットの溶解プロファイルを、100rpmの攪拌速度及び237nmUV吸光度を有する脱イオン水900mL体積で、USP装置1を用いて測定した。このような試験の結果を以下の表4に要約する。
ジルチアゼム放出速度についてのソルビタンモノオレエートの効果
融合助剤として(PGMLではなく)12%ソルビタンモノオレエートが使用されることを除き、実施例5に記載のプロセス及び材料を用いてペレットを製造した。未硬化並びに硬化(60℃で2時間及び75%相対湿度下60℃で2時間)の両方での薬剤放出のパーセンテージを、実施例5で記載したように測定した。このような試験の結果を以下の表5に要約する。
テオフィリン放出速度についてのプロピレングリコールモノラウレート及びジラウレート混合物の効果
約94重量%PGMLを含むPGMLの代わりに51.5重量%PGML及び48.5重量%PGDL(プロピレングリコールジラウレート)を含むPGML及びPGDLの混合物が使用されることを除き、実施例3のプロセスを繰り返した。使用されたPGML及びPGDLの総重量は、エチルセルロース含有量に基づき8.9%であった。このような評価の結果を以下の表6に要約する。
テオフィリンの放出速度についてのPGMCの効果
PGMLの代わりにプロピレングリコールモノカプリレート(PGMC)を用いて実施例3のプロセスを行った。このような評価の結果を表7に要約する。
PGMLとECD−30の混合物の安定性
アクアコート(登録商標)ECD−30を、8.9%PGML(分散液中のエチルセルロース固体の重量に基づく)と混ぜて、室温条件下(20℃から25℃)及び上昇させた条件下(40℃、75%RH)で3ヶ月間置いておいた。そのような貯蔵の後、TEC及び他の成分を添加し、混合物を15%固体濃度に希釈した。テオフィリンペレットをコーティングして、得られた固体剤形を実施例3に示した手順に従って評価した。このような評価の結果を表8に要約する。
(付記1)
(i)水、(ii)エチルセルロース、(iii)イオン性界面活性剤、及び、(iv)3から8のHLB値を有する有機エステルである融合助剤を含む水性懸濁液を、コーティングを形成するように、活性成分を含む固体コアに適用することを含む、放出制御固体剤形を製造する方法。
前記融合助剤は、3.5から7のHLB値を有する、付記1に記載の方法。
前記融合助剤は、4から5のHLB値を有する、付記2に記載の方法。
前記融合助剤は、C5−C17飽和又は不飽和脂肪族炭化水素部分を含む、付記1から3のいずれか1つに記載の方法。
前記融合助剤は、ソルビタンエステル及びプロピレングリコールモノエステルからなる群から選択される、付記4に記載の方法。
前記融合助剤は、プロピレングリコールモノラウレート及びソルビタンモノオレエートからなる群から選択される、付記5に記載の方法。
前記融合助剤は、前記エチルセルロースの総重量に基づき、4重量%と30重量%との間の量で存在する、付記1から6のいずれか1つに記載の方法。
前記界面活性剤は、アニオン性界面活性剤である、付記1から7のいずれか1つに記載の方法。
前記界面活性剤は、アルキルサルフェートである、付記8に記載の方法。
前記界面活性剤は、ラウリル硫酸ナトリウムである、付記9に記載の方法。
前記水性懸濁液は、可塑剤を更に含む、付記1から10のいずれか1つに記載の方法。
前記可塑剤は、ジブチルセバケート、ジエチルフタレート、トリエチルシトレート、トリブチルシトレート、ポリエチレングリコール、プロピレングリコール及びトリアセチンからなる群から選択される、付記11に記載の方法。
付記1から12のいずれか1つに記載の方法により製造される、固体剤形。
a)水、b)エチルセルロース、c)イオン性界面活性剤、及び、d)3から8のHLB値の有機エステルである融合助剤、を含む、放出制御コーティングを製造するのに適した水性懸濁液組成物。
前記融合助剤は、3.5から7のHLB値を有する、付記14に記載の組成物。
前記融合助剤は、4から5のHLB値を有する、付記15に記載の組成物。
前記融合助剤は、C5−C17飽和又は不飽和脂肪族炭化水素部分を含む、付記14から16のいずれか1つに記載の組成物。
前記融合助剤は、ソルビタンエステル及びプロピレングリコールモノエステルからなる群から選択される、付記17に記載の組成物。
前記融合助剤は、プロピレングリコールモノラウレート及びソルビタンモノオレエートからなる群から選択される、付記18に記載の組成物。
前記融合助剤は、前記エチルセルロースの総重量に基づき、4重量%と30重量%との間の量で存在する、付記14から19のいずれか1つに記載の組成物。
前記界面活性剤は、アニオン性界面活性剤である、付記14から20のいずれか1つに記載の組成物。
前記水性懸濁液は、可塑剤を更に含む、付記14から21のいずれか1つに記載の組成物。
Claims (21)
- (i)水、(ii)エチルセルロース、(iii)イオン性界面活性剤、及び、(iv)4から5のHLB値を有する有機エステルである融合助剤を含む水性懸濁液を、コーティングを形成するように、活性成分を含む固体コアに適用することを含む、放出制御固体剤形を製造する方法。
- 前記融合助剤は、C5−C17飽和又は不飽和脂肪族炭化水素部分を含む、請求項1に記載の方法。
- (i)水、(ii)エチルセルロース、(iii)イオン性界面活性剤、及び、(iv)ソルビタンエステル及びプロピレングリコールモノエステルからなる群から選択され、3から8のHLB値を有する融合助剤を含む水性懸濁液を、コーティングを形成するように、活性成分を含む固体コアに適用することを含む、放出制御固体剤形を製造する方法。
- 前記融合助剤は、3.5から7のHLB値を有する、請求項3に記載の方法。
- 前記融合助剤は、4から5のHLB値を有する、請求項4に記載の方法。
- 前記融合助剤は、プロピレングリコールモノラウレート及びソルビタンモノオレエートからなる群から選択される、請求項3から5のいずれか1項に記載の方法。
- 前記融合助剤は、前記エチルセルロースの総重量に基づき、4重量%と30重量%との間の量で存在する、請求項1から6のいずれか1項に記載の方法。
- 前記界面活性剤は、アニオン性界面活性剤である、請求項1から7のいずれか1項に記載の方法。
- 前記界面活性剤は、アルキルサルフェートである、請求項8に記載の方法。
- 前記界面活性剤は、ラウリル硫酸ナトリウムである、請求項9に記載の方法。
- 前記水性懸濁液は、可塑剤を更に含む、請求項1から10のいずれか1項に記載の方法。
- 前記可塑剤は、ジブチルセバケート、ジエチルフタレート、トリエチルシトレート、トリブチルシトレート、ポリエチレングリコール、プロピレングリコール及びトリアセチンからなる群から選択される、請求項11に記載の方法。
- a)水、b)エチルセルロース、c)イオン性界面活性剤、及び、d)4から5のHLB値の有機エステルである融合助剤、を含む、放出制御コーティングを製造するための水性懸濁液組成物。
- 前記融合助剤は、C5−C17飽和又は不飽和脂肪族炭化水素部分を含む、請求項13に記載の組成物。
- a)水、b)エチルセルロース、c)イオン性界面活性剤、及び、d)ソルビタンエステル及びプロピレングリコールモノエステルからなる群から選択され、3から8のHLB値を有する融合助剤、を含む、放出制御コーティングを製造するための水性懸濁液組成物。
- 前記融合助剤は、3.5から7のHLB値を有する、請求項15に記載の組成物。
- 前記融合助剤は、4から5のHLB値を有する、請求項16に記載の組成物。
- 前記融合助剤は、プロピレングリコールモノラウレート及びソルビタンモノオレエートからなる群から選択される、請求項15から17のいずれか1項に記載の組成物。
- 前記融合助剤は、前記エチルセルロースの総重量に基づき、4重量%と30重量%との間の量で存在する、請求項13から18のいずれか1項に記載の組成物。
- 前記界面活性剤は、アニオン性界面活性剤である、請求項13から19のいずれか1項に記載の組成物。
- 前記水性懸濁液は、可塑剤を更に含む、請求項13から20のいずれか1項に記載の組成物。
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US5273760A (en) | 1991-12-24 | 1993-12-28 | Euroceltigue, S.A. | Stabilized controlled release substrate having a coating derived from an aqueous dispersion of hydrophobic polymer |
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