New Drug Approvals


CAS 152923-56-3

Monoclonal antibody
Type Whole antibody
Source Humanized (from mouse)
Target CD25

Daclizumab is a humanized monoclonal antibody indicated in the United States for prophylaxis of acute organ rejection in patients receiving renal transplants.

It was marketed as Zenepax, but discontinued by Roche in 2009 due to diminishing market demand for that indication. Biogen Idec is currently conducting phase III trials for daclizumab in MS. A phase III trial started in March 2010 is being conducted to determine efficacy of preventing MS relapse.

Study dosing of daclizumab is 150 mg subcutaneously once every 4 weeks versus interferon beta-1a (Avonex) 30 mg intramuscularly given once weekly for 96 to 144 weeks.

Daclizumab (Zenapax®) (molecular wt = 144 kd.) is a humanized monoclonal antibody (IgG1) produced by recombinant DNA technology. It gained FDA approval in Dec 1997. It is known by several other names including HAT (Humanized…

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