JP7035119B2 - 安定な抗ifnar1製剤 - Google Patents
安定な抗ifnar1製剤 Download PDFInfo
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- JP7035119B2 JP7035119B2 JP2020104494A JP2020104494A JP7035119B2 JP 7035119 B2 JP7035119 B2 JP 7035119B2 JP 2020104494 A JP2020104494 A JP 2020104494A JP 2020104494 A JP2020104494 A JP 2020104494A JP 7035119 B2 JP7035119 B2 JP 7035119B2
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- antibody
- antibody preparation
- preparation according
- lysine
- buffer
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Description
本発明について詳細に説明する前に、本発明は、変動し得る特定の組成物または工程段階に限定されないものと理解される。本明細書および添付の特許請求の範囲の用法では、文脈上例外が明記されていない限り、単数形「1つの(a)」、「1つの(an)」、および「その(the)」は、複数の指示対象を含むことに留意すべきである。「1つの(a)」(または「1つの(an)」)という用語ならびに「1つまたは複数」および「少なくとも1つ」という用語は、本明細書で同義的に使用され得る。
実施形態では、本発明は、抗IFNAR1抗体またはその抗原結合断片を含む安定な抗体製剤を提供する。実施形態では、抗IFNAR1抗体はアニフロルマブである。実施形態では、本発明の製剤は、アニフロルマブおよびその抗原結合断片の両方を含む。
材料および方法
材料
使用された全ての材料は、USPまたは複数公定等級であった。全ての溶液および緩衝液は、USPまたはHPLC水を使用して調製し、さらなる使用前に濾過した。安定性試験のためのサンプルは、バイオセーフティキャビネットフード(BSC)の無菌条件下で調製した。バルク材料は、2~8℃で保存した。安定性試験は、表3に列挙される供給品を用いて実施した。
タンパク質濃度は、SOPDV-6233から適応された手法を用いて、Agilent UV-Vis分光光度計を用いて280nmでの吸光度を測定することによって判定した。測定された1.39(mg/mL)-~cm~の吸光係数を用いた。サンプルについて、TD-0025に従って糖または非糖含有製剤のための密度補正係数を適用した。
粘度は、円錐形およびプレート付属品を備えたAnton Paar MCR301レオメータを用いて測定した。必要な容積を最小化するために、スクリーニング目的の1回の反復測定で20mmの円錐を使用した。結果を1000の毎秒剪断速度の高剪断限界で報告した。
SECは、現行の製剤科学ガイドラインに従って、TSK-Gel G3000を有するAgilent HPLC装置で実施された。
標準的な操作手順:タンパク質原薬および医薬品の外観評価(Visual Appearance Evaluation of Protein Drug Substance and Drug Product)から適応された粒子標準および指標を用いて、サンプルをそれらの各容器内で色および透明度について調べることによってサンプルの目視検査を実施した。
安定性および粘度(応答)に対する濃度、トレハロースレベルおよびリジンHClレベル(要素)の影響を研究するために、実験アプローチの設計を利用した。ボックスベーンケン計画は、JMP9.1ソフトウェア(SAS,Inc.,NC,Cary)を用いて作成した。設計は、濃度(100~200mg/mL);トレハロースレベル(0~211mM);およびリジンHClレベル(25~130mM)の要素を含んだ。pHは、サイクル1製剤についての以前の製剤安定性データに基づいて6.0に設定した。ポリソルベートレベルは、0.02%に設定した。高濃度において、0~25mMのリジンHCLの範囲にわたり粘度の大幅な低下が観察された、予備的ハイスループット粘度スクリーニング研究に基づいて、低リジンレベルは25mMと定義された(実施例2参照)。安定性は、外観およびHP-SECによる純度の評価(モノマー損失、凝集、断片化)を用いて、40℃での加速安定性試験を実施して評価した。5℃での1.8ヶ月後における肉眼不可視の粒子数も測定したが、サンプル間で有意な差異は観察されなかったため、さらに分析しなかった。
25mMのヒスチジン/ヒスチジンHCl、25mMのリジンHCl(注:これは低リジンHCl区分内である)、130mMのトレハロース二水和物中の約200mg/mLのMEDI-546の原液(pH6.0)を調製して、ポリソルベート80を0.02%配合した希釈系列を調製した。濃度および粘度を測定し、プロットした。公称製剤条件(50mMのリジンHCl)も調製し、測定した。0.5MのリジンHCl原液を調製し、MEDI-546原液を公称50mMのリジンレベルにスパイクするのに使用した。同一希釈および処方を実施して、粘度および濃度を測定した。
プレフィルドシリンジ(「PFS」)(BD Hypak SCF 1MLL 27G1/2-SB);0.4mgシリコーン油MDN、27GSTW肉薄針装着)に、25mMヒスチジン/ヒスチジンHCl、50mMのリジンHCl、130mMのトレハロース二水和物、0.05%のポリソルベート80(pH5.9)中の150mg/mLのMEDI-546を充填した。このロットの粘度は9.4mPas、濃度は150.7mg/mLと測定された。BD Hypak SCF 1MLL 4023 FLUR Daikyo SI1000ストッパーを真空ストッパーによって装着した。インストロン5542(Norwood,MA 02062)を使用して、260mm/分で滑り性能を測定した。さらに、3人の分析者が関節炎シミュレーション手袋を装着し、または非装着で注射までの時間を評価した(Georgia Tech Research Instituteからの関節炎手袋およびLimbsnthings,UKからの注射トレーナー)。
ハイスループット粘度スクリーニング結果の概要
ハイスループット粘度スクリーニングは、ナノ粒子を使用して実施した。手短に述べると、水(既知の粘度)およびサンプル(未知の粘度)中で既知の粒度のナノ粒子を測定し、比率を用いて未知のサンプル粘度を判定した。これらのデータは、絶対粘度測定のためでなく、スクリーニングおよび趨勢のために収集した。
製剤の安定性および粘度の総合評価
表4は、抗体製剤の粘度および加速安定性結果の概要を示す。表5は、5℃で1.8ヶ月後における製剤の(HIACによる)肉眼不可視の粒子の結果の概要を示す。結果の総合評価は、40℃での純度低下率が全て許容可能であり、1ヶ月当たり3.8~4.8%の範囲であったことを示す。断片化率は1ヶ月当たり2.8~3.4%の範囲であり、凝集率は1ヶ月当たり0.7~2.0%の範囲であった。40℃で1ヶ月後における目視検査は、全ての製剤について同様の性能を示す(全て粒子は標準1、透明度は<IIIまたはII、色はY6)。肉眼不可視の粒子(HIAC)データは、全てのサンプルが、粒度10ミクロンを超える粒子を1mL当たり670個未満有したことを示した。粘度は、全ての製剤について2.8~39.7mPasの範囲であった。150mg/mLの製剤のいくつかは、許容可能な粘度値を有した。
抗体製剤の粘度およびシリンジ機能性の確認
理想的には、プレフィルドシリンジの滑り力は、機能性を確保するために可能な限り低いべきである。この研究において、本発明者らは、20mPas未満の粘度および15N未満の滑り力を目標値とする。以前の経験では、15mPas未満の公称粘度を有する製剤が、27ゲージの薄肉針を装着された場合、許容可能な滑り性能を有した。27Ga STW PFSでは、最大20mPasが実現可能であってもよい。製剤およびPFSは、シリンジおよび製剤のばらつきを補償するために、堅固さを含むべきである。
100~200mg/mLにわたるMEDI-546の希釈系列を2つの製剤中で調製した。それらは、25mMのヒスチジン/ヒスチジン-HCl、130mMのトレハロース脱水物、0.02%のポリソルベート80(pH6.0)に25mMまたは50mMのいずれかのリジンHClを配合した中にMEDI-546を含有した。粘度曲線は、図3に示される。結果は、低(25mM)および公称(50mM)の両方のリジンレベルを有する製剤の粘度が150mg/mL(<15mPas)で許容可能であり、いずれも165mg/mLで約20mPas未満であることを示す。したがって、50mMのリジンHClの公称レベルが粘度性能の観点から25mMの低レベルで適切に切り分けられるという結果が確認された。TFF中における、粘度および可能なドーマン型効果に対するpHの影響に基づいて、抗体製剤のpHは5.9に選択された。
表7は、25mMのヒスチジン/ヒスチジンHCl、50mMのリジンHCl、130mMのトレハロース脱水物、0.05%のポリソルベート80(pH5.9)中に150mg/mLのMEDI-546を有する製剤の機能評価の結果を示す。
Claims (25)
- a.約150mg/ml以上かつ200mg/mL未満のアニフロルマブ;
b.約25~150mMのリジン塩;
c.非荷電賦形剤;および
d.調合緩衝液、
を含む安定な抗体製剤であって、製剤が5.5~6.5のpHであり、プレフィルドシリンジでの投与に適したものである、抗体製剤。 - 製剤が5.9のpHである、請求項1に記載の抗体製剤。
- 前記リジン塩が、リジン酢酸塩、リジンモノクロリド、リジンジクロリド、リジンL-アスパラギン酸塩、リジンL-グルタミン酸塩およびリジンHClからなる群から選択される、請求項1または2に記載の抗体製剤。
- 界面活性剤を含む、請求項1~3のいずれか一項に記載の抗体製剤。
- 界面活性剤が、ポリエチレングリコールモノ-p-イソオクチルフェニルエーテル(トリトン(登録商標)X-100)、ポリソルベート20、ポリソルベート80、ノノキシノール-9、ポリオキサマー、ステアリルアルコール、ドデシル硫酸ナトリウム、およびモノステアリン酸ソルビタンからなる群から選択される、請求項1~4のいずれか一項に記載の抗体製剤。
- 界面活性剤がポリソルベート80である、請求項5に記載の抗体製剤。
- 約0.02%~約0.08%の界面活性剤を含む、請求項1~6のいずれか一項に記載の抗体製剤。
- 約0.05%の界面活性剤を含む、請求項1~7のいずれか一項に記載の抗体製剤。
- 調合緩衝液を含む、請求項1~8のいずれか一項に記載の抗体製剤。
- 調合緩衝液が酢酸緩衝液、トリス緩衝液、HEPES緩衝液、アルギニン緩衝液、グリシン緩衝液、クエン酸緩衝液、ヒスチジン緩衝液、またはTES緩衝液である、請求項9に記載の抗体製剤。
- 調合緩衝液がヒスチジン緩衝液である、請求項9に記載の抗体製剤。
- ヒスチジン緩衝液がヒスチジン塩酸塩を含む、請求項11に記載の抗体製剤。
- 調合緩衝液がヒスチジン/ヒスチジン塩酸塩である、請求項11に記載の抗体製剤。
- 前記緩衝液が約10mM~約40mMのヒスチジン/ヒスチジン塩酸塩を含む、請求項12に記載の抗体製剤。
- 前記緩衝液が約25mMのヒスチジン/ヒスチジン塩酸塩を含む、請求項13に記載の抗体製剤。
- 非荷電賦形剤が、フルクトース、グルコース、マンノース、ソルボース、キシロース、乳糖、マルトース、スクロース、デキストラン、プルラン、デキストリン、シクロデキストリン、可溶性デンプン、トレハロース、ソルビトール、エリスリトール、イソマルト、ラクチトール、マルチトール、キシリトール、グリセロール、ヒドロキシエチルデンプン、水溶性グルカンからなる群から選択される、請求項1~15のいずれか一項に記載の抗体製剤。
- 非荷電賦形剤が、グルコース、スクロース、トレハロース、およびグリセロールからなる群から選択される、請求項16に記載の抗体製剤。
- 非荷電賦形剤がトレハロースである、請求項1~17のいずれか一項に記載の抗体製剤。
- 非荷電賦形剤がトレハロース二水和物である、請求項18に記載の抗体製剤。
- 約100mM~約150mMの非荷電賦形剤を含む、請求項1~19のいずれか一項に記載の抗体製剤。
- 静脈内、皮下、または筋肉内投与に適する、請求項1~20のいずれか一項に記載の抗体製剤。
- 請求項1~21のいずれか一項に記載の抗体製剤を含む、プレフィルドシリンジ。
- I型IFN媒介疾患または障害の治療を、それを必要とする対象において行う方法に使用される、請求項1~21のいずれか一項に記載の抗体製剤を含む医薬組成物であって、該方法が治療有効量の抗体製剤を投与するステップを含むものである、医薬組成物。
- 前記疾患または障害が、全身性エリテマトーデス(SLE)、インスリン依存性糖尿病、炎症性腸疾患、多発性硬化症、乾癬、自己免疫性甲状腺炎、関節リウマチ、糸球体腎炎、強皮症、筋炎、および狼瘡性腎炎からなる群から選択される、請求項23に記載の医薬組成物。
- 前記疾患または障害が全身性エリテマトーデスである、請求項24に記載の医薬組成物。
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