Arena Pharma (ARNA) and Eisai Receive Complete Response for Lorcaserin NDA; FDA Cannot Approve Application in Present Form

October 25, 2010 7:15 AM EDT Send to a Friend
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Arena Pharmaceuticals, Inc. (Nasdaq: ARNA) and Eisai Inc. announced that they received a Complete Response Letter from the U.S. FDA over the weekend for their New Drug Application (NDA) for lorcaserin.

The FDA has completed its review of the NDA and determined that it cannot approve the application in its present form. In the CRL, the FDA outlined the non-clinical and clinical reasons for their decision.

With respect to the clinical reasons, the FDA stated in the CRL that the weight loss efficacy of lorcaserin in overweight and obese individuals without type 2 diabetes is marginal and recommended that Arena submit the final study report of the BLOOM-DM (Behavioral modification and Lorcaserin for Overweight and Obesity Management in Diabetes Mellitus) trial.

Additionally, the FDA stated in the CRL that it would recommend placement of lorcaserin in Schedule IV of the Controlled Substance Act based on its review of the materials submitted in the NDA.


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