Current technologies for increasing the biocompatibility of engineered antibodies, protein fragments, and other biological agents, such as PEGylation and various protein chaperones, have achieved a maximum half-life extension of about 60 to 80 hours. Frequent dose regimens remain necessary, holding back many potential products. Oligasis Inc. is developing a zwitterionic polymer structure as a conjugate it believes should increase any biological drug's half-life by as much four-fold over the current state of the art.
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