JP2015051975A5 - - Google Patents

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JP2015051975A5
JP2015051975A5 JP2014203181A JP2014203181A JP2015051975A5 JP 2015051975 A5 JP2015051975 A5 JP 2015051975A5 JP 2014203181 A JP2014203181 A JP 2014203181A JP 2014203181 A JP2014203181 A JP 2014203181A JP 2015051975 A5 JP2015051975 A5 JP 2015051975A5
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ion exchange
exchange resin
antibody
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JP6023140B2 (ja
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Claims (22)

  1. 抗体と、宿主細胞タンパク質(HCP)と、ウイルス粒子とを含んだ試料混合物から、HCP減少型抗体調製物を生成するための方法であって、
    記HCP減少型抗体調製物は、前記試料混合物と比較して減少したウイルス粒子の数または減少したウイルス活性を含み、
    前記方法が、
    (a)前記抗体を含んだ前記試料混合物をpHの低下に供し、そうして一次回収試料を形成するステップであり、前記pHの低下が3からの間のpHであり0.5時間から2時間の範囲の期間にわたるステップ、
    (b)前記一次回収試料をプロテインAアフィニティクロマトグラフィーにアプライし、プロテインAに結合した前記抗体をpH3.5で溶出するステップ、ならびに
    (c)溶出した前記抗体を、イオン交換クロマトグラフィー、疎水性相互作用クロマトグラフィー(HIC)、またはそれらの組み合わせにアプライするステップ
    を含むことを特徴とする、方法。
  2. 前記pHの減少が、適した酸と前記試料混合物とを混合することによって達成され、前記適した酸が、クエン酸、リン酸、酢酸、およびカプリル酸から成る群から選択される、請求項1に記載の方法。
  3. 前記イオン交換樹脂が、陰イオン交換樹脂または陽イオン交換樹脂のいずれかである、請求項1または2に記載の方法。
  4. 前記イオン交換樹脂が陽イオン交換樹脂である、請求項3に記載の方法。
  5. 前記陽イオン交換樹脂が、置換されたマトリックスを含み、その置換基が、カルボキシメチル、スルホエチル、スルホプロピル、SO 、リン酸塩、およびスルホン酸塩から成る群から選択される、請求項4に記載の方法。
  6. 前記置換基がSO である、請求項5に記載の方法。
  7. 前記イオン交換樹脂が陰イオン交換樹脂である、請求項3に記載の方法。
  8. 前記陰イオン交換樹脂が、置換されたマトリックスを含み、その置換基が、ジエチルアミノエチル、4級アミノエチル、および4級アミン基から成る群から選択される、請求項7に記載の方法。
  9. 前記置換基が4級アミン基である、請求項8に記載の方法。
  10. イオン交換ステップが、第1のイオン交換ステップおよび第2のイオン交換ステップを含む、請求項1から9のいずれか一項に記載の方法。
  11. 前記第1のイオン交換ステップが陽イオン交換ステップであり、第2の陰イオン交換ステップが続く、請求項10に記載の方法。
  12. 前記第1および前記第2のイオン交換ステップの間に起こる濾過ステップである中間ステップをさらに含む、請求項10または11に記載の方法。
  13. 前記濾過ステップが、捕獲限界濾過/透析濾過によって達成される、請求項12に記載の方法。
  14. 前記疎水性相互作用クロマトグラフィー(HICが、置換されたマトリックスを含んだ樹脂を含み、その置換基が1つまたは複数の疎水基からなる、請求項1から13のいずれか一項に記載の方法。
  15. 前記1つまたは複数の疎水基が、アルキル基、アリール基およびこれらの組合せから成る群から選択される、請求項14に記載の方法。
  16. 前記置換基が、3−オクトキシプロパン−1,2−ジオール、エーテル、プロピル、メチル、フェニル、およびブチル基から成る群から選択される、請求項14に記載の方法。
  17. 前記樹脂が、フェニル置換基を含んだアガロースマトリックスを含む、請求項16に記載の方法。
  18. イルス粒子を除去しバッファー交換を促進させるための濾過ステップをさらに含む、請求項1に記載の方法。
  19. 前記調製物がHCPを実質的に含まない、請求項1から18のいずれか一項に記載の方法。
  20. 前記方法に従って生成するプロテインAの残留レベル量を決定するステップをさらに含む、請求項1から19のいずれか一項に記載の方法。
  21. 前記抗体がアダリムマブである、請求項1から20のいずれか一項に記載の方法。
  22. 精製されたアダリムマブが医薬品グレードである、請求項21に記載の方法。
JP2014203181A 2008-10-20 2014-10-01 抗体精製中におけるウイルスの不活性化 Active JP6023140B2 (ja)

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US (2) US9109010B2 (ja)
EP (1) EP2346897A2 (ja)
JP (3) JP5856845B2 (ja)
KR (1) KR101722423B1 (ja)
CN (2) CN102257005A (ja)
AU (1) AU2009307737B2 (ja)
BR (1) BRPI0920572A8 (ja)
CA (1) CA2738499A1 (ja)
IL (1) IL211917A0 (ja)
MX (1) MX2011004201A (ja)
NZ (1) NZ592097A (ja)
RU (1) RU2551237C2 (ja)
SG (2) SG10201702951RA (ja)
TW (1) TW201028433A (ja)
WO (1) WO2010048192A2 (ja)
ZA (1) ZA201102552B (ja)

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