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FDA issues CRL for Human Genome Sciences Zalbin BLA

The US Food and Drug Administration (FDA) has issued complete response letter (CRL) to Human Genome Sciences' (HGS) biologics license application (BLA) of 900mcg Zalbin (albinterferon alfa-2b, known in Europe as Joulferon), dosed every two weeks for the treatment of chronic hepatitis C.

Following FDA’s complete response letter, HGS and Novartis have jointly decided to terminate the development of Zalbin.

Zalbin is a genetic fusion of human albumin and interferon alfa created using proprietary HGS albumin-fusion technology.

Earlier in 2006, HGS and Novartis had entered into a co-development and commercialisation agreement to co-commercialise albinterferon alfa-2b in the US under the brand name Zalbin.