Compositions of programmed death receptor 1 (PD-1) antibodies and methods of obtaining the compositions thereof

The invention provides compositions of anti-PD-1 antibodies or antigen-binding fragments thereof with less than or equal to about 3.0% oxidation of Met105 in the CDRH3 heavy chain region, and methods of obtaining the purified compositions. The invention also provides compositions comprising anti-PD-...

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Bibliographische Detailangaben
Hauptverfasser: Brower, Mark A, Kwan, Brian Wai, Pinto, Nuno J. Dos Santos, Xu, Sen, Patel, Bhumit A, Huang, Chung-Jr, Richardson, II, Douglas Dennis, Napoli, William Nicholas
Format: Patent
Sprache:eng
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Zusammenfassung:The invention provides compositions of anti-PD-1 antibodies or antigen-binding fragments thereof with less than or equal to about 3.0% oxidation of Met105 in the CDRH3 heavy chain region, and methods of obtaining the purified compositions. The invention also provides compositions comprising anti-PD-1 antibody main species and acidic species thereof, wherein the amount of acidic species is about 1.0-12.0%.