Alnylam Pharmaceuticals Presents Complete Results from Phase IIb Trial with ALN-RSV01, an Inhaled RNAi Therapeutic for the Treatment of Respiratory Syncytial Virus (RSV) Infection

Published: Sep 04, 2012

CAMBRIDGE, Mass.--(BUSINESS WIRE)--Alnylam Pharmaceuticals, Inc. (Nasdaq: ALNY), a leading RNAi therapeutics company, announced today complete results from its Phase IIb trial with ALN-RSV01 for the treatment of respiratory syncytial virus (RSV) infection in lung transplant patients. The data were presented at the European Respiratory Society’s (ERS) Annual Congress held in Vienna, September 1-5, 2012. As reported previously, the study narrowly missed the primary endpoint of reduced day 180 BOS in an “intent-to-treat” (ITTc) analysis of confirmed RSV infected patients, but achieved statistically significant reductions in prospectively defined analyses of ITTc patients with their “last observation carried forward” (LOCF), and of ITTc patients treated “per protocol” (PP). At the ERS meeting, new results were presented on secondary endpoints and certain post-hoc analyses that support the efficacy of ALN-RSV01 in this setting. Further, and as reported earlier, ALN-RSV01 was found to be generally safe and well tolerated in the study. Alnylam plans to discuss these complete results with U.S. and European regulatory authorities, and communicate future development plans for ALN-RSV01 at year’s end.

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