JP7250689B2 - 活性化合物のための局所送達系 - Google Patents
活性化合物のための局所送達系 Download PDFInfo
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- JP7250689B2 JP7250689B2 JP2019549378A JP2019549378A JP7250689B2 JP 7250689 B2 JP7250689 B2 JP 7250689B2 JP 2019549378 A JP2019549378 A JP 2019549378A JP 2019549378 A JP2019549378 A JP 2019549378A JP 7250689 B2 JP7250689 B2 JP 7250689B2
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- Prior art keywords
- oil
- formulation
- surfactant
- gelling
- polyoxyethylene
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- A61K31/19—Carboxylic acids, e.g. valproic acid
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Description
[1]WO 2008/058366
[2]A.Kogan,N,Garti,Advances in Colloid and Interface Science 2006,123-126,369-385
[3]A.Spernath,A.Aserin,Advances in Colloid and Interface Science 2006,128
[4]A.Spernath,A.Aserin,N.Garti,Journal of Colloid and Interface Science 2006,299,900-909
[5]A.Spernath,A.Aserin,N.Garti,Journal of Thermal Analysis and Calorimetry 2006,83
[6]N.Garti,A.Spernath,A.Aserin,R.Lutz,Soft Matter 2005, 1
[7]A.Spernath,A.Aserin,L.Ziserman,D.Danino,N.Garti,Journal of Controlled Release 2007,119
[8]WO 03/105607
[9]J.Lademann,U.Jacobi,C.Surber,H.J.Weigmann,J.W.Fluhr,European Journal of Pharmaceutics and Biopharmaceutics 2009,72,317-323
[10]WO 2016/038553
[11]WO 2010/045415
[12]WO 2007/065281
[13]WO 1997/042944
[14]WO 1993/000873
[15]WO 2008/065451 A2
[16]WO2005/110370
[17]WO2007/060177
本開示は、所望の皮膚層においてデポー(depot)効果を生成することにより活性物質の長期的な且つ増強された放出をもたらす、活性物質の皮膚(すなわち、局所)送達のための局所製剤に関する。本明細書に記載されているとおり、該局所製剤中の成分の特有の組合せは、制御された所望の活性物質放出プロファイルを長期にわたってもたらす一方で、角質層を介した高い浸透をもたらすことを可能にする(ただし、全身作用を制限または回避するために、浸透が制御されるように調整されうる)。エマルションまたは分散液である既存の増粘化/ゲル化製剤は、限られた熱力学的安定性しか有さないこと、および/または活性物質の限られた浸透しかもたらさないことが判明しているが(例えば、図1に示されている市販エマルションのLUMiFuge(商標)試験の結果)、本開示の製剤は長期にわたる高い安定性、それにおいて運搬される活性物質の高レベルの浸透、制御された且つ長期的な活性物質の放出および改善された感覚的特性を示している。また、本開示の製剤は、製剤の長期安定性および皮膚上への適用の際の製剤からの活性物質の再現可能な放出が保証されるように、製剤中の活性物質の完全な溶解をもたらすように調整されることも注目される。
EO)およびエトキシル化ジグリセリド、エトキシル化脂肪酸、エトキシル化脂肪アルコールが挙げられる。
(a)少なくとも1つの活性物質、少なくとも1つの油、少なくとも2つの親水性界面活性剤、少なくとも1つの補助界面活性剤、少なくとも2つの極性溶媒および少なくとも2つの浸透促進剤を含む活性物質含有(すなわち、活性物質がローディングされた)油性組成物を準備し、ここで、該油性組成物は実質的に(時には完全に)水を含有せず、
(b)水性希釈剤と少なくとも1つのゲル化剤との水性混合物を準備し、
(c)該活性物質含有油性組成物および該水性混合物を混合して、該ゲル化局所製剤を得ることを含む。
(a)少なくとも1つの活性物質、少なくとも1つの油、少なくとも2つの親水性界面活性剤、少なくとも1つの補助界面活性剤、少なくとも2つの極性溶媒および少なくとも2つの浸透促進剤を含む活性物質含有油性組成物を準備し、ここで、該油性組成物は実質的に(時には完全に)水を含有せず、
(b)該活性物質含有油性組成物を水性希釈剤と混合して混合物を得、
(c)少なくとも1つのゲル化剤を該混合物に加え、
(d)水性希釈剤をゲル化させて、該ゲル化局所製剤を得ることを含む。
(a)ジクロフェナクまたはその薬学的に許容される塩、少なくとも1つの油、少なくとも2つの親水性界面活性剤、少なくとも1つの補助界面活性剤、少なくとも2つの極性溶媒および少なくとも2つの浸透促進剤を含むジクロフェナク含有油性組成物を準備し、ここで、該油性組成物は実質的に(時には完全に)水を含有せず、
(b)水性希釈剤と少なくとも1つのゲル化剤との水性混合物を準備し、ここで、ゲル化剤は、好ましくは、キサンタンガムであり、
(c)該ジクロフェナク含有油性組成物および該水性混合物を混合して、該ゲル化局所製剤を得ることを含む。
(a)ジクロフェナクまたはその薬学的に許容される塩、少なくとも1つの油、少なくとも2つの親水性界面活性剤、少なくとも1つの補助界面活性剤、少なくとも2つの極性溶媒および少なくとも2つの浸透促進剤を含むジクロフェナク含有油性組成物を準備し、ここで、該油性組成物は実質的に(時には完全に)水を含有せず、
(b)該ジクロフェナク含有油性組成物を水性希釈剤と混合して混合物を得、
(c)少なくとも1つのゲル化剤を該混合物に加え、
(d)水性希釈剤をゲル化させて、該ゲル化局所製剤を得ることを含む。
本明細書に開示されている内容をより良く理解し、それが実際にどのようにして実施されうるのかを例示するために、以下に説明する添付図面を参照して、単なる非限定的な具体例として、実施形態を以下に説明することとする。
活性物質含有ゲル化製剤の製造
工程1:濃縮物または油相の調製
ホスファチジルコリンリン脂質(PC)(完全融解まで45℃に予熱)、水素化ヒマシ油(40EO)、Tween 60、プロピレングリコール(PG)、ミリスチン酸イソプロピル(IPM)、トランスクトール、ジメチルイソソルビド(DMI)、香料、エタノール(EtOH)およびイソプロピルアルコール(IPA)を混合することにより、賦形剤混合物を調製した。該混合物を300~600RPM、25℃で完全に混合した。該混合物は清澄(clear)な透明の黄色っぽい液体を与えた。
活性物質含有油性組成物は、活性物質の所望濃度を得るために、任意の所望量の水で希釈されうる。典型的には、濃縮物は、70~90重量%の水を加えることにより希釈される。
本発明の製剤に対するリン脂質成分の変更の影響を表2の製剤Aに関して試験した。種々のレシチン誘導体からのホスファチジルコリン(PC)の種々の起源および70%~94%の範囲のPCレベルを試験した。
・Lipoid-P100 GMO非含有、ダイズ由来の90% PC;
・Lipoid-H100 GMO非含有、ヒマワリ種子由来の90% PC;および
・Lipoid-R100 GMO非含有、ナタネ由来の90% PC。
本発明の製剤に対するゲル化剤の種類の変更の影響を表2の製剤Aに関して試験した。種々の種類のキサンタンを2つの濃度(すなわち、製剤の1重量%および0.75重量%)において試験した。表3は、3つの異なるキサンタン(Xantural(登録商標)75、180および11K;全てPC Kelcoにより提供)で試験されたゲル化製剤の特徴づけを示す。
香料は典型的に油性であり油溶性であるため、製剤のナノ構造および安定性に対する香料の存在または非存在の影響ならびに香料の種類の変更の影響を試験した。表5は、試験した製剤の組成を詳細に示しており、全ては表2の製剤Aに基づいており、それに対する0.6重量%が種々の香料である。
油相構造に対する希釈の影響
実質的に水を含有しない2重量%DCF-Na含有油性組成物(すなわち、濃縮物)を、前記方法に従い製造した。該未希釈油性組成物は、古典的な逆ミセルとは異なる、自己組織化油溶媒和クラスターまたは界面活性剤の短いドメインにより構成されていた。これらの濃縮物は任意の適切な希釈剤、例えば精製水により希釈可能であり、それにより、希釈送達系が形成されうる。
希釈製剤の顕微鏡写真(倍率650K倍、図8A~8D)は、ドメインがサイズにおいてほぼ単分散していることを示している。ドメインは必ずしも球状ではなく、油性コア、および界面活性剤と補助界面活性剤とを含む界面から構成される。ドメインは水性連続相中に分散している。空の小滴(図8Aおよび8C)はより球状であり、一方、ローディングされた系(図8Bおよび8D)は、1.1~1.5のアスペクト比を有する実質的に伸長した形状の小滴を含有する。更に希釈すると(すなわち、希釈度を水80重量%から水90重量%へと増加させると)、小滴の充填度は低下し、体積当たりの数は少なくなる。
ゲル化DCF-Na製剤を前記のとおりに製造した。それらの種々の特性を、ジクロフェナクの局所送達用の現在の主要市販製品であるVoltaren Emulgel(登録商標)Forteと比較した。Voltaren Emulgel(登録商標)Forteは、ブチルヒドロキシトルエン、カルボマー、ココイルカプリロカプラート、ジエチルアミン、イソプロピルアルコール、流動パラフィン、マクロゴールセトステアリルエーテル、オレイルアルコール、プロピレングリコールおよび精製水のような不活性成分(賦形剤)を主に含むゲル化エマルション製剤中に2.32重量%のジクロフェナクジエチルアミン(DCF-DEA;これは2重量%のDCF-Naに匹敵する)を含有する。
Voltaren Emulgel(登録商標)Forteと比較した場合の、水80重量%の希釈時の2重量% ゲル化DCF-Na製剤(言及しやすくするためにNDS 506(A)と命名する)の物理的特性を表10に示す。
それぞれ図15A~15Bに示されているとおり、Voltaren Emulgel(登録商標)およびNDS 506(A)のレオロジー特性を、25±1℃および0~100s-1のせん断速度で、コーン(直径60mm)およびガラスプレートを使用して、ThermoHaake(Thermo Electron GmbH,Karlsruhe,Germany)により測定した。
NDS 506(A)を一連の官能試験においてVoltaren Emulgel(登録商標)Forteと比較した。20人のボランティアに、自分たちの手を十分に洗い、水分が全く残らないように完全に乾燥させるように要請した。所定重量の製剤(350mgのNDS 506(A)またはVoltarenEmulgel(登録商標)Forte)を彼らの手の甲に配置した。1~6のスケールを用いて、ゲルの即時接触感を、そのテクスチャー、粘稠度およびクリーム性に関してスコア化するよう、ボランティアに要請した。次に、ゲルを塗擦し、粘着性、油性および軟性を1~6のスケールで再びスコア化するよう、ボランティアに要請した。最終段階で、前記と同じスコア化系を用いて、軟性、油性、粘着性、残留物および薄膜の可能な性能を含む後感触効果(after-feel effect)をスコア化するよう、ボランティアに要請した。
フランツセル(Franz cell)拡散(FC)系(PermeGear,Inc.,Hellertown,PA)を使用し、新鮮に皮膚採取されたブタの耳の皮膚を使用して、NDS 506(A)のエクスビボ浸透性および透過性を、Voltaren Emulgel(登録商標)Forteと比較して測定した。NDS 506(A)とVoltaren Emulgel(登録商標)Forte(2.32重量% DCF-DEA)との間で比較を行った。2.32重量% DCF-DEAは2.0重量% DCF-Naに匹敵することが注目される。
抗酸化剤を使用した場合のNDS 506(A)の安定性を、4つの異なる温度および相対湿度(%RH)条件(4℃、25℃/60% RHおよび40℃/75% RH)で3か月間にわたって評価した。
製剤NDS506(A)のサンプルを-20℃で72時間配置し、ついで室温で2時間解凍することにより、凍結および解凍に対する安定性を評価した。製剤は凍結および解凍の後も依然として透明かつ均質であり、明らかな変化は認められなかった。
Claims (17)
- ゲル化水性連続相中に組込まれた油相を含む局所製剤であって、油相が、該連続相中に分散した油性ナノドメインの形態であり、
油相が活性物質、少なくとも1つの油、少なくとも2つの親水性界面活性剤、少なくとも2つの極性溶媒および少なくとも2つの浸透促進剤を含み、
ゲル化水性連続相が水性希釈剤および少なくとも1つのゲル化剤を含み、
少なくとも1つの前記油が、約0.5~3重量%の量で前記製剤中に存在し、
少なくとも2つの前記極性溶媒が、少なくとも、短鎖アルコールから選択される第1極性溶媒と、少なくとも、ポリオールから選択される第2溶媒と、を含み、前記製剤中の前記極性溶媒の総量が約3~20重量%であり、
少なくとも2つの前記親水性界面活性剤が、前記製剤中に約1.75~8.0重量%の量で存在する第1親水性界面活性剤と、前記製剤中に約0.45~3.8重量%の量で存在する第2親水性界面活性剤と、を含み、
前記第1親水性界面活性剤および前記第2親水性界面活性剤が、それぞれ、独立して、ポリオキシエチレン、ポリオキシエチレンソルビタンモノラウラート、ポリオキシエチレンソルビタンモノパルミタート、ポリオキシエチレンソルビタンモノオレアート、ポリオキシエチレンソルビタンモノステアラート、飽和および不飽和ヒマシ油のポリオキシエチレンエステル、ポリオキシエチレンソルビタンリノレアート、ポリオキシエチレンソルビタントリオレアート、ポリオキシエチレン脂肪酸エステル、エトキシル化モノグリセロールエステル、ヒドロキシステアラート、短鎖および中鎖および長鎖脂肪酸のエトキシル化脂肪酸およびエトキシル化脂肪アルコール、飽和および不飽和脂肪酸の糖エステル、スクロースのモノエステルおよびポリエステル、脂肪酸のポリグリセリンエステル、エトキシル化モノグリセリド、エトキシル化ジグリセリド、エトキシル化脂肪酸、エトキシル化脂肪アルコール、糖エステル、および、ポリグリセロールエステルから成る群から選択され、
前記第1親水性界面活性剤が、前記第2親水性界面活性剤とは異なる物質である、
局所製剤。 - 前記油相が、さらに少なくとも1つの親油性補助界面活性剤を含み、任意に、該親油性補助界面活性剤がリン脂質である、請求項1に記載の局所製剤。
- 前記油性ドメインが5から150nmまでの平均ドメインサイズを有する、請求項1記載の局所製剤。
- 前記油性ドメインが約1.1~1.5のアスペクト比を有する、請求項1記載の製剤。
- 前記油相が伸長形状を有する、請求項1記載の局所製剤。
- 前記活性物質が、第二級アミノ基により置換された主芳香環を有する化合物から選択されうる、請求項1記載の製剤。
- 前記活性物質が、ジクロフェナク、リドカイン、クロニジン、フェンタニル、トレベニフィン、アルプロスタジル、スルファメトキサゾール、セファレキシン、バンコマイシン、ダプトマイシン、オリタバンシン、タザバクタム、ベンゾカイン、ミノサイクリン、ドキシサイクリンまたはその任意の薬学的に許容される塩、誘導体もしくは類似体から選択されうる、請求項1記載の製剤。
- 前記活性物質がジクロフェナク、ジクロフェナクナトリウム、ジクロフェナクカリウム、ジクロフェナク-アンモニウム、ジクロフェナクジエチルアミンおよびそれらの混合物から選択される、請求項1記載の製剤。
- 前記活性物質が約1重量%から約6重量%の量で製剤中に存在する、請求項8記載の製剤。
- 前記油が、ミリスチン酸イソプロピル、オレイン酸エチル、オレイン酸メチル、乳酸ラウリル、乳酸オレイル、オレイン酸、リノール酸、オレイン酸モノグリセリドおよびリノール酸モノグリセリド、ココカプリロカプラート、ラウリン酸ヘキシル、オレイルアミン、オレイルアルコール、ヘキサン、ヘプタン、ノナン、デカン、ドデカン、短鎖パラフィン化合物、テルペン、D-リモネン、L-リモネン、DL-リモネン、オリーブ油、ダイズ油、キャノーラ油、綿油、パルモレイン、ヒマワリ油、コーン油、精油(エッセンシャルオイル)、例えばペパーミント油、松油、タンジェリン油、レモン油、ライム油、オレンジ油、柑橘油、ニーム油、ラベンダー油、アニス油、ザクロ種子油、ブドウ種子油、カボチャ油、ローズ油、クローブ油、セージ油、ユーカリプトール油、ジャスミン油、オレガノ油、カプサイシンおよび同様の精油、トリグリセリド不飽和トコフェロール、多価不飽和トコフェロール、中鎖トリグリセリド、アボカド油、プニカ酸およびCLA脂肪酸、オメガ3-、6-、9-脂肪酸、ならびにオメガ脂肪酸のエチルエステル、ならびにそれらの混合物から選択される、請求項1記載の製剤。
- 前記油がミリスチン酸イソプロピル、オレイン酸、オレイルアルコール、植物油、テルペン、ペパーミント油、ユーカリプトール油およびそれらの混合物から選択される、請求項10記載の製剤。
- 前記第1親水性界面活性剤および第2親水性界面活性剤のそれぞれが、独立して、ポリオキシエチレン、ポリオキシエチレン(20)ソルビタンモノラウラート、ポリオキシエチレン(20)ソルビタンモノステアラート、ポリオキシエチレン(20)ソルビタンモノパルミタート、ポリオキシエチレン(20)ソルビタンモノオレアート、エトキシ化ヒマシ油、ポリオキシエチレン水添ヒマシ油、エトキシル化モノグリセリドステアラート、エトキシル化モノグリセリドパルミタート、ポリオキシル35および40EOヒマシ油、ポリオキシル35ヒマシ油、ポリソルベート20、ポリソルベート40、ポリソルベート60、ポリソルベート80、ステアリン酸PEG40、ステアリン酸PEG20、オレオイルマクロゴールグリセリド、ポリグリセリル-3ジオレアート、ヒドロキシルステアリン酸エチレンオキシドエステル、または、スクロースモノオレアート、スクロースモノラウラート、スクロースモノステアラート、またはポリグリセロールエステルである糖エステル、または、デカグリセロールモノオレアートもしくはモノラウラート、ヘキサグリセロールモノラウラートまたはモノオレアートであるポリグリセロールエステルから選択される、請求項1記載の製剤。
- 少なくとも2つの前記浸透促進剤が、独立して、ジメチルスルホキシド、ジメチルイソソルビド、ミリスチン酸イソプロピル、2-(2-エトキシエトキシ)エタノール、ホスファチジルコリン、エタノール、イソプロピルアルコール、酢酸エチル、オレイルアルコール、オレイン酸、オレイルエステル、ベータ-シクロデキストリン、尿素およびその誘導体、例えばジメチルまたはジフェニル尿素、グリセロールおよびプロピレングリコール、ピロリドンおよび誘導体、ペパーミント油またはテルペンおよびテルペノイド油、ならびにそれらの組合せから選択される、請求項1記載の製剤。
- 前記ゲル化剤が約0.75~3.5重量%の量で製剤中に存在する、請求項1記載の製剤。
- 前記ゲル化剤が、セルロースエーテル、ポリビニルアルコール、ポリクオタニウム-10、グアーガム、ヒドロキシプロピルグアーガム、キサンタンガム、ジェラン、アロエベラゲル、アムラ、カラギーナン、オート麦粉、デンプン、ゼラチン、ガティガム、アラビアゴム、イヌリン、コンニャクガム、イナゴマメガム、マシュマロの根、低メトキシペクチン、キノア抽出物、紅藻、ソラガム、トラガカントガム、カルボポール樹脂およびそれらの混合物から選択される、請求項1記載の製剤。
- 前記希釈剤が水、精製水、蒸留水、再蒸留水および三重蒸留水、脱イオン水、注射用水、生理食塩水、デキストロース溶液、または4~8のpHを有するバッファーから選択される、請求項1記載の製剤。
- 前記ゲル化剤により増粘化/ゲル化される水性希釈剤が、任意の適切な水性液体である、請求項1記載の製剤。
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JP2011500863A (ja) | 2007-10-30 | 2011-01-06 | ノバルティス アーゲー | 局所用組成物 |
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CN110545796A (zh) | 2019-12-06 |
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IL268773B2 (en) | 2023-05-01 |
AU2018231842B2 (en) | 2024-03-21 |
JP2020514342A (ja) | 2020-05-21 |
US20210137829A1 (en) | 2021-05-13 |
IL268773A (en) | 2019-10-31 |
RU2019129711A (ru) | 2021-04-07 |
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CA3055159A1 (en) | 2018-09-13 |
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