COMPOSITIONS AND METHODS OF DELIVERING LARGE PROTEINS

Abstract

Disclosed are pharmaceutical compositions containing micronized antibodies encapsulated and/or dispersed in polymeric particles for antibody delivery. The judicious identification of (i) a subset of polymers, (ii) polymers with certain average molecular weights, (iii) a subset of antibody loadings, and/or (iv) pre-loading antibody processing, leads to formation of polymeric particles that possess minimal to no initial burst release of micronized antibody at zero time point. The pharmaceutical compositions are formulated for oral, subcutaneous, or percutaneous administration, and are particularly suited for treatment regimens that involve antibody-based therapy.

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