JP2017533785A - 架橋ヒアルロン酸及びカルボキシメチルセルロースの滑沢剤をベースとする皮膚充填剤 - Google Patents
架橋ヒアルロン酸及びカルボキシメチルセルロースの滑沢剤をベースとする皮膚充填剤 Download PDFInfo
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- JP2017533785A JP2017533785A JP2017526143A JP2017526143A JP2017533785A JP 2017533785 A JP2017533785 A JP 2017533785A JP 2017526143 A JP2017526143 A JP 2017526143A JP 2017526143 A JP2017526143 A JP 2017526143A JP 2017533785 A JP2017533785 A JP 2017533785A
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- 229940035436 maltitol Drugs 0.000 description 1
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- 235000013772 propylene glycol Nutrition 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000001698 pyrogenic effect Effects 0.000 description 1
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- 229960002920 sorbitol Drugs 0.000 description 1
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Abstract
Description
上記を考慮して、本発明の目的は、改善されたレオロジー特性を有する一方、同時に、容易に注入可能である長期持続性の皮膚充填剤組成物を提供することである。
(a)架橋ヒアルロン酸ゲルを生成することと、
(b)カルボキシメチルセルロースゲルを生成することと、
(c)架橋ヒアルロン酸ゲルとカルボキシメチルセルロースゲルとを混合することと、
を含む。
(i)0.4Hzの周波数(f)及び25℃において、50Pa〜4,500Pa、好ましくは100Pa〜4000Pa、より好ましくは150Pa〜2,500Paの弾性係数G’;
(ii)0.4Hzの周波数及び25℃において、20Pa・s〜1,400Pa・s、好ましくは25Pa・s〜1,000Pa・s、より好ましくは30Pa・s〜900Pa・sの粘度;及び
(iii)0.4Hzの周波数及び25℃において、0.20〜0.8、好ましくは0.25〜0.6のタンデルタ(G”/G’)
を有してもよい。
(a)架橋ヒアルロン酸ゲルを生成することと、
(b)カルボキシメチルセルロースゲルを生成することと、
(c)架橋ヒアルロン酸ゲルとカルボキシメチルセルロースゲルとを混合することと、
を含む。
HAゲル(CMC若しくは遊離HA滑沢相を含むか又は含まない)の押出力を、1.0mL BDシリンジ及びNeoject 25G×5/8”ニードルを用いて決定した。この目的のために、質感分析器TA.XTPLUSを使用した。0.500Nの予負荷、及び5センチメートル/分(2インチ/分)の試験速度を利用して試験を実施した。
20mmの直径を有するプレート−プレート系を装備したAnton Paar MCR 302レオメータを使用して弾性係数(G’)及び粘度を測定した。
滑沢相を含まず、かつカルシウムヒドロキシアパタイト(CaHAP)粒子を含むか又は含まないHAゲル(MHAGゲル及びMHAIゲル)の調製
(比較ゲル)
架橋溶液の調製
43gのヒアルロン酸ナトリウム(約2.8MDaの平均分子量)を270.35gのリン酸緩衝液に溶解することにより、HA「固形状物」を調製した。得られたHA固形状物は、必要になるまで冷蔵庫で保存することができる。更に、3.31gの固体水酸化ナトリウムを10mLの緩衝液に溶解することにより、アルカリ溶液を調製した。更に、12.5gの2M NaOH溶液と88.5gのリン酸緩衝液とを混合し、次にこの溶液8.21mLとBDDE 3.395mLとを混合することにより、BDDE溶液を調製した。
HA固形状物を手作業で小塊に砕き、前記アルカリ溶液の全量を容器に添加し、次に30〜40分間12rpmで混合した。次に、BDDE溶液を容器に添加し、10〜15分間25rpmで混合し続けた。温度設定ポイントを33.33℃に変更し、混合物をこの温度で4時間放置した。
920.99gの緩衝液を84.62gの1M HClに添加することにより、中和溶液を調製した。次に全ての中和溶液を容器に添加し、5℃で2時間撹拌した。その後、このゲルを当業者に周知の方法に基づいて精製した。次に、得られたゲル(「MHAゲル」)を使用して、以下に記載のMHAG(CaHAPを含まない)及びMHAI(CaHAPを含む)ゲル配合物を調製した。
MHAGゲルを調製するために、2gのリドカインを2gのリン酸緩衝液に添加し、次にマグネチックスターラを使用して完全に溶解するまで静かに撹拌することにより、濃縮リドカイン溶液「LS1」を調製した。次に、実施例1で調製したMHAゲル467gを、2116μLの「LS1」溶液と適切なミキサーを使用して15分間混合した。その後、33gのグリセリンを添加し、化合物を穏やかに1.5時間混合した。更なる脱気工程の後、1mLシリンジを充填し、127℃で4分間無菌化した。
更に、MHAGゲルに相当するが付加的にCaHAP粒子を含有するゲルを、実施例4〜6で調製したゲルと同量で、MHAGゲルに関して上述した手順に基づいて調製した。このCaHAPを含む架橋HAゲルは、本明細書において以下、「MHAI」と称する。
15% CMCを滑沢相として含むHAゲルの調製
(本発明のゲル)
62.75gのグリセリンを2.150gのリドカインHClに添加し、この混合物を135.142gのリン酸緩衝液に溶解することにより、溶液「LB1」を調製した。次に、マグネチックスターラを使用して完全に溶解するまで静かに撹拌した。
15%(v/v)遊離HAを滑沢相として含むHAゲルの調製
(比較ゲル)
1.131gのリドカインHClを72.743gのリン酸緩衝液に溶解することにより、溶液「LB2」を調製した。次に、1.170gのヒアルロン酸ナトリウム(2.5〜3.0MDa)を添加した。完全な溶解後、33.005gのグリセリンを添加した。次に、この混合物を中等度の速度で1時間30分間撹拌し、使用前に5℃で保持した。
5%(v/v)CMCを滑沢相として含むHA/CaHAPゲルの調製
(本発明のゲル)
以下の物質及び量を使用したことを除いて、LB1に関するものと同じ手法で、溶液「LB3」を調製した:4.633gのNaCMC、274.16gのグリセリン、及び121.3gのリン酸緩衝液。
10%(v/v)CMCを滑沢相として含むHA/CaHAPゲルの調製
(本発明のゲル)
以下の物質及び量を使用したことを除いて、LB1に関するものと同じ手法で、溶液「LB4」を調製した:7.039gのNaCMC、208.527gのグリセリン、及び184.46gのリン酸緩衝液。
15%(v/v)CMCを滑沢相として含むHA/CaHAPゲルの調製
(本発明のゲル)
以下の物質及び量を使用したことを除いて、LB1に関するものと同じ手法で、溶液「LB5」を調製した:8.529gのNaCMC、168.266gのグリセリン、及び223.29gのリン酸緩衝液。
10%(v/v)遊離HAを滑沢相として含むHA/CaHAPゲルの調製
(比較ゲル)
以下の物質及び量を使用したことを除いて、LB2に関するものと同じ手法で、溶液「LB6」を調製した:208.548gのグリセリン、3.108gのヒアルロン酸ナトリウム、及び188.581gのリン酸緩衝液。
架橋HAゲルの押出力に対するCMC滑沢剤又は遊離HA滑沢剤の効果
この実施例では、CMC又は遊離HAを滑沢剤として添加することの、HAゲルの押出力に対する効果を検討した。この目的のために、以下のゲルの押出力を測定した:MHAGゲル(実施例1)、15% CMCを含むMHAGゲル(実施例2)及び15%遊離HAを含むMHAGゲル(実施例3)。
架橋HAゲルの弾性係数(G’)に対するCMC滑沢剤又は遊離HA滑沢剤の影響力
この実施例では、HAゲルの弾性係数(G’)に対するCMC滑沢剤及び遊離HA滑沢剤の影響力を検討した。この目的のために、実施例8と同じゲルのG’(1Hz、25℃における)を測定した。
架橋HAゲルの粘度に対するCMC滑沢剤又は遊離HA滑沢剤の影響
この実施例では、粘度に対するCMC滑沢剤及び遊離HA滑沢剤の影響を検討した。この目的のために、実施例8と同じゲルに関して、粘度(0.4Hz、25℃における)を決定した。
架橋HA/CaHAPゲルの押出力に対するCMC滑沢剤又は遊離HA滑沢剤の効果
カルシウムヒドロキシアパタイト(CaHAP)粒子の添加により、CMC又は遊離HAを架橋HAゲルに添加することにより得られた上記結果が変化するかどうかを研究するために、以下のゲルを調製した:MHAI(架橋HA及びCaHAP粒子を含む;実施例1を参照のこと)、10% CMCを含むMHAI(実施例5)及び10%遊離HAを含むMHAI(実施例7)。加えて、「希釈MHAI」ゲルを調製したが、これは、希釈MHAIゲルが15mg/gのHA濃度を有することを除いて、MHAIゲルに相当する。次に、上述のゲルの押出力を測定した。
架橋HA/CaHAPゲルの弾性係数(G’)に対するCMC滑沢剤又は遊離HA滑沢剤の影響力
この実施例では、架橋HA/CaHAPゲルの弾性係数(G’)に対するCMC滑沢剤又は遊離HA滑沢剤の影響力を検討した。この目的のために、実施例11と同じゲルに関して、G’(1Hz、25℃における)を決定した。
架橋HA/CaHAPゲルの粘度に対するCMC滑沢剤又は遊離HA滑沢剤の影響
この実施例では、架橋HA/CaHAPゲルの粘度に対するCMC滑沢剤又は遊離HA滑沢剤の影響を検討した。この目的のために、実施例11と同じゲルに関して、粘度(0.4Hz、25℃における)を決定した。
架橋HA/CaHAPゲルの押出力に対するCMC滑沢剤濃度の変化の影響
この実施例では、添加CMC滑沢剤の濃度変化と押出力との相関関係を検討した。この目的のために、以下のゲルに関する押出力を測定した:MHAI(架橋HA/CaHAPゲル;実施例1)、5% CMCを含むMHAI(実施例4)、10% CMCを含むMHAI(実施例5)、及び15% CMCを含むMHAI(実施例6)。
Claims (15)
- 架橋ヒアルロン酸及びカルボキシメチルセルロースを含む、ゲルの形態であり注入可能な皮膚充填剤組成物。
- 前記カルボキシメチルセルロースが、1.0%〜25.0%容量/容量の濃度で存在する、請求項1に記載の注入可能な皮膚充填剤組成物。
- 前記架橋ヒアルロン酸が、1.0%〜4.0%重量/容量の濃度で存在する、請求項1又は2に記載の注入可能な皮膚充填剤組成物。
- 前記架橋ヒアルロン酸が、BDDE(1,4−ブタンジオールジグリシジルエーテル)を用いて架橋され、好ましくは、単結合及び二重結合のBDDE架橋剤の合計対ヒアルロン酸二糖単位の合計の比として表される、0.5%〜25%の改変度を有する、請求項1〜3のいずれか一項に記載の注入可能な皮膚充填剤組成物。
- 前記組成物が、吸収性かつ生体適合性の微小粒子を1%〜50%容量/容量の濃度で更に含む、請求項1〜4のいずれか一項に記載の注入可能な皮膚充填剤組成物。
- 前記吸収性かつ生体適合性の微小粒子が、リン酸カルシウムベースの物質、アルミナベースの物質、生分解性の天然多糖若しくはその誘導体、又は生分解性のポリエステル、ポリオルトエステル若しくはポリ無水物合成ポリマーからなり、前記リン酸カルシウムベースの物質は、カルシウムヒドロキシアパタイト、カルシウムフルオロアパタイト、カルシウムクロロアパタイト、炭酸カルシウムアパタイト、リン酸四カルシウム、ピロリン酸カルシウム、リン酸三カルシウム、及びリン酸八カルシウムを含む、請求項5に記載の注入可能な皮膚充填剤組成物。
- 麻酔剤、ポリオール、ビタミン、アミノ酸、金属、抗酸化剤、及びミネラル塩からなる群から選択される1つ又は複数の化合物を更に含む、請求項1〜6のいずれか一項に記載の注入可能な皮膚充填剤組成物。
- 前記組成物が、ポリオール、例えばグリセリン、及び/又は麻酔剤、例えばリドカインを含む、請求項1〜7のいずれか一項に記載の注入可能な皮膚充填剤組成物。
- 前記組成物が、以下の1つ又は複数の特性:
(i)0.4Hzの周波数(f)及び25℃において、100Pa〜4000Paの弾性係数G’;
(ii)0.4Hzの周波数及び25℃において、20Pa・s〜1,000Pa・sの粘度;
(iii)0.4Hzの周波数及び25℃において、0.25〜0.6のタンデルタ(G”/G’);及び
(iv)6.5及び7.5のpH;
を有する、請求項1〜8のいずれか一項に記載の注入可能な皮膚充填剤組成物。 - 請求項1〜9のいずれか一項に記載の注入可能な皮膚充填剤組成物を含むキット。
- 以下の工程:
(a)架橋ヒアルロン酸ゲルを生成することと、
(b)カルボキシメチルセルロースゲルを生成することと、
(c)前記架橋ヒアルロン酸ゲルと前記カルボキシメチルセルロースゲルとを混合することと、
を含む、請求項1〜9のいずれか一項に記載の注入可能な皮膚充填剤組成物の調製方法。 - 皮膚の皺及び皺線、眉間の皺線、鼻唇溝、頤襞、マリオネット線、下顎の輪郭、口腔交連、口周囲の皺、目尻の皺、皮膚陥凹、傷痕、こめかみ、額の真皮支持、頬骨及び頬脂肪体、涙くぼみ、鼻、唇、頬、頤、口周囲部、眼窩下部、及び顔面非対称の美容的処置を含む、請求項1〜9のいずれか一項に記載の注入可能な皮膚充填剤組成物又は請求項10に記載のキットの美容的用途のための使用。
- 治療用途の、請求項1〜9のいずれか一項に記載の注入可能な皮膚充填剤組成物又は請求項10に記載のキット。
- 腹圧性尿失禁、膀胱尿管逆流、声帯襞不全、及び声帯襞内方化の処置における使用のための、請求項1〜9のいずれか一項に記載の注入可能な皮膚充填剤組成物又は請求項10に記載のキット。
- 有効量の、請求項1〜9のいずれか一項に記載の注入可能な皮膚充填剤組成物を、それを必要とする対象に投与することを含む、美容又は治療目的の、生物組織の置換若しくは充填又は生物組織のボリューム増加のための方法。
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EP3218023B1 (en) | 2018-09-05 |
TWI716365B (zh) | 2021-01-21 |
AU2015345523A1 (en) | 2017-06-08 |
SG11201703952QA (en) | 2017-06-29 |
EP3218023A1 (en) | 2017-09-20 |
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US20170333596A1 (en) | 2017-11-23 |
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AU2015345523B2 (en) | 2019-05-16 |
CA2967699C (en) | 2023-07-04 |
PL3218023T3 (pl) | 2019-03-29 |
IL252265B (en) | 2021-02-28 |
CA2967699A1 (en) | 2016-05-19 |
BR112017010074B1 (pt) | 2021-05-04 |
WO2016074794A1 (en) | 2016-05-19 |
ZA201703351B (en) | 2019-01-30 |
US10335512B2 (en) | 2019-07-02 |
CN106999625A (zh) | 2017-08-01 |
KR20170117368A (ko) | 2017-10-23 |
RU2712641C2 (ru) | 2020-01-30 |
IL252265A0 (en) | 2017-07-31 |
BR112017010074A2 (pt) | 2018-01-02 |
JP6721584B2 (ja) | 2020-07-15 |
RU2017119805A3 (ja) | 2019-06-14 |
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