JP6342906B2 - 架橋されたヒアルロン酸及びヒドロキシアパタイトに基づく、美容用途のための注射可能な無菌水性製剤 - Google Patents
架橋されたヒアルロン酸及びヒドロキシアパタイトに基づく、美容用途のための注射可能な無菌水性製剤 Download PDFInfo
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- JP6342906B2 JP6342906B2 JP2015536048A JP2015536048A JP6342906B2 JP 6342906 B2 JP6342906 B2 JP 6342906B2 JP 2015536048 A JP2015536048 A JP 2015536048A JP 2015536048 A JP2015536048 A JP 2015536048A JP 6342906 B2 JP6342906 B2 JP 6342906B2
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- Prior art keywords
- sterile aqueous
- hyaluronic acid
- injectable sterile
- gel
- hydroxyapatite
- 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.)
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- KIUKXJAPPMFGSW-DNGZLQJQSA-N (2S,3S,4S,5R,6R)-6-[(2S,3R,4R,5S,6R)-3-Acetamido-2-[(2S,3S,4R,5R,6R)-6-[(2R,3R,4R,5S,6R)-3-acetamido-2,5-dihydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-2-carboxy-4,5-dihydroxyoxan-3-yl]oxy-5-hydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-3,4,5-trihydroxyoxane-2-carboxylic acid Chemical compound CC(=O)N[C@H]1[C@H](O)O[C@H](CO)[C@@H](O)[C@@H]1O[C@H]1[C@H](O)[C@@H](O)[C@H](O[C@H]2[C@@H]([C@@H](O[C@H]3[C@@H]([C@@H](O)[C@H](O)[C@H](O3)C(O)=O)O)[C@H](O)[C@@H](CO)O2)NC(C)=O)[C@@H](C(O)=O)O1 KIUKXJAPPMFGSW-DNGZLQJQSA-N 0.000 title claims description 62
- XYJRXVWERLGGKC-UHFFFAOYSA-D pentacalcium;hydroxide;triphosphate Chemical compound [OH-].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O XYJRXVWERLGGKC-UHFFFAOYSA-D 0.000 title claims description 62
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Classifications
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- A—HUMAN NECESSITIES
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Description
本発明の対象は、即時使用可能であり、吸収性であり、美容目的のために使用される、粒子状で凝集性の粘弾性ゲルとしての注射可能な無菌水性製剤であって、周波数1Hzでのtanδが0.60以下であるような粘弾性特性を有し、i)1%〜4%(質量/体積)の濃度の、架橋されたヒアルロン酸又はその塩の1つ、ここで前記架橋は、いわゆる凝集性構造を有する架橋されたヒアルロン酸に基づくゲルを得る可能性を提供するために行われ;及び、ii)5%〜60%(質量/体積)の濃度のヒドロキシアパタイト、ここで前記ヒドロキシアパタイトは、200μm以下の平均径を有する粒子の形態である、を含む、前記注射可能な無菌水性製剤である。
以下に記載される発明は、美顔及び美容目的のために使用され、また粘弾性、充填性及び長期効果特性を有する、生体吸収性であって注射可能な新規の無菌水性製剤を提案するという目標を有する。本製剤は、特定の凝集性の粘弾性ゲルの形態であり、
i)1%〜4%(質量/体積)の濃度の、架橋されたヒアルロン酸、又はその塩の1つ、ここで前記架橋は、いわゆる凝集性構造を有する架橋されたヒアルロン酸に基づくゲルを得る可能性を提供するために行われ;及び、
ii)5%〜60%(質量/体積)の濃度のヒドロキシアパタイト、ここで前記ヒドロキシアパタイトは、200μm以下の平均径を有する粒子の形態である、
を含み、
周波数1Hzでのtanδが0.60以下であるような粘弾性特性を有することを特徴とする。
−それらの容器内部でのヒドロキシアパタイト粒子の経時的な沈殿を回避するように、そして
−注射の間、及び/又は注射領域で2相に分離する製造物(ヒドロキシアパタイト粒子及び架橋されたヒアルロン酸ゲル)を有し、それにより処置される領域中に不均一の帯を生じさせることを回避するように
適合されることが要求される。
いわゆる凝集性構造を有する架橋されたヒアルロン酸に基づくゲルの調製
ステップ1:分子量2.6MDaの3.5gのヒアルロン酸ナトリウムを、1%の水酸化ナトリウム(30.5g)に添加する。混合物を、1時間30分間放置して均一にする。420mgのブタンジオールジグリシジルエーテル(BDDE)を、均一化した混合物に添加し、閉じ、その後に水槽中に50℃で2時間置く。その後に混合物を、7.5gの1NのHClを添加することにより中和する。
パラメーターの比較は、1Hzで行われる。
架橋されたHAに基づくゲルのいわゆる凝集性構造の重要性−比較検討
20mg/mL(2%)のヒアルロン酸濃度を得るために、実施性1に記載された(いわゆる凝集性の単相構造の)ゲルA1を、中性のpH(再生セルロース、分離限度:分子量=60kDa)を有する等浸透生理溶液により透析する。
本発明のゲルの粘弾性の重要性−比較検討
Cは、420mgの代わりに200mgのBDDEを導入することにより、実施例1に記載されたものと同一の手順(ステップ1及び2)に従い調製されたゲルである。
−それらの容器内部でのヒドロキシアパタイト粒子の経時的な沈殿を回避するように、
−注射の間、及び/又は注射領域で2相に分離する製造物(ヒドロキシアパタイト粒子及び架橋されたヒアルロン酸ゲル)を有し、それにより処置される領域中に不均一の帯を生じさせることを回避するように
適合されることが要求される。
従来技術の溶液と本発明のゲルの比較
a)架橋されていないHA及びヒドロキシアパタイトに基づく製剤。
本文献中に記載されているように、イン・ビボで架橋されていないヒアルロン酸は、1週間に満たない寿命を有する。したがって架橋されていないヒアルロン酸は、非常に迅速に吸収され、またヒドロキシアパタイト粒子の移動を許容せず、長期に渡り阻むので、ヒドロキシアパタイトにより架橋されていないHA溶液は、注目に値するものではない。
ヒドロキシアパタイト(S1)の水溶液を調製する(中性pHを有する等浸透生理溶液中で、30〜50マイクロメーターから構成される粒度を有する30%のホスホカルシウムヒドロキシアパタイト)。
カルボキシメチルセルロール(CMC)及びヒドロキシアパタイト(S3)の水性製剤を調製する(中性pHを有する等浸透生理溶液中で、30〜50マイクロメーターから構成される粒度を有する30%のホスホカルシウムヒドロキシアパタイト、及び250,000Daで2%のCMC)。
Claims (17)
- 美容目的のために使用される、注射可能な無菌水性製剤であって、凝集性の粘弾性ゲルの形態であり、周波数1Hzでのtanδが0.60以下であるような粘弾性特性を有し、
i)1%〜4%(質量/体積)の濃度の、架橋されたヒアルロン酸又はその塩の1つであって、前記架橋は、ブタンジオールジグリシジルエーテル(BDDE)を用いて行われる、前記架橋されたヒアルロン酸又はその塩の1つ;及び、
ii)5%〜60%(質量/体積)の濃度のヒドロキシアパタイトであって、200μm以下の平均径を有する粒子の形態である、前記ヒドロキシアパタイト
を含む、前記注射可能な無菌水性製剤。 - 前記ヒアルロン酸又はその塩の1つの分子量が、2.5×105 Da〜4×106 Daであることを特徴とする、請求項1に記載の注射可能な無菌水性製剤。
- 湿式加熱で無菌化されたことを特徴とする、請求項1又は2に記載の注射可能な無菌水性製剤。
- 前記架橋されたヒアルロン酸又はその塩の1つの濃度が、1%〜3%(質量/体積)であり、好ましくは1.5%〜2.5%(質量/体積)であることを特徴とする、請求項1〜3のいずれか1項に記載の注射可能な無菌水性製剤。
- 前記ヒドロキシアパタイトの濃度が10%〜50%(質量/体積)であり、好ましくは20%〜40%(質量/体積)であることを特徴とする、請求項1〜4のいずれか1項に記載の注射可能な無菌水性製剤。
- 前記ヒドロキシアパタイトの粒子の平均径が50μm以下であり、且つ10μm以上であることを特徴とする、請求項1〜5のいずれか1項に記載の注射可能な無菌水性製剤。
- 1又は複数のセラミック材料をさらに含むことを特徴とする、請求項1〜6のいずれか1項に記載の注射可能な無菌水性製剤。
- 1又は複数の麻酔剤をさらに含むことを特徴とする、請求項1〜7のいずれか1項に記載の注射可能な無菌水性製剤。
- 前記1又は複数の麻酔剤は:リドカイン単剤若しくはそれとアドレナリンとの組み合わせ;アルチカイン若しくはそれとアドレナリンとの組み合わせ;メピバカイン;プラモカイン;キニソカイン;又は、1若しくは複数のこれらの麻酔剤の塩、からなる群から選択されることを特徴とする、請求項8に記載の注射可能な無菌水性製剤。
- 前記麻酔剤が塩酸リドカインであることを特徴とする、請求項9に記載の注射可能な無菌水性製剤。
- 1又は複数の抗酸化剤をさらに含むことを特徴とする、請求項1〜10のいずれか1項に記載の注射可能な無菌水性製剤。
- 前記1又は複数の抗酸化剤が、ポリオールのファミリーから選択されることを特徴とする、請求項11に記載の注射可能な無菌水性製剤。
- 前記ポリオールが、ソルビトール、グリセロール、マンニトール又はプロピレングリコールを含むことを特徴とする、請求項12に記載の注射可能な無菌水性製剤。
- 体積を充填及び/又は回復するための、及び/又は生体組織を置き換えるために使用される、請求項1〜13のいずれか1項に記載の注射可能な無菌水性製剤。
- 請求項1〜14のいずれか1項に記載の注射可能な無菌水性製剤を含むキット。
- シリンジ、アンプル又はフラスコの形態である、請求項15に記載のキット。
- 注射可能な無菌水性製剤を製造するための方法であって、以下のステップ:
a)ブタンジオールジグリシジルエーテル(BDDE)を用いて、ヒアルロン酸又はその塩の1つの鎖間に共有結合を形成することによって、少なくとも1重量%〜4重量%の架橋されたヒアルロン酸又はその塩の1つを含む第一の混合物を調製し;
b)前記混合物を精製し;
c)その後、ヒドロキシアパタイトを5%〜60%(質量/体積)の濃度で添加し、それを架橋されたヒアルロン酸に基づくゲル中に均一に分散させ;
d)前記ゲルを変換して、即時使用可能な形態の製造物を得;
e)湿式加熱にて前記製造物を無菌化すること
を含む、前記方法。
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FR1259577 | 2012-10-08 | ||
FR1259577 | 2012-10-08 | ||
PCT/EP2013/069874 WO2014056722A2 (fr) | 2012-10-08 | 2013-09-24 | Formulation aqueuse stérile injectable à base d'acide hyaluronique réticulé et d'hydroxyapatite pour usage esthétique |
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JP2015536911A JP2015536911A (ja) | 2015-12-24 |
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