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FDA rejects diet pill, orders another study

Orexigen Therapeutics Inc. says U.S. health officials have declined to approve the experimental weight loss pill Contrave and want the company to conduct an additional study.

The Food and Drug Administration request suggests the agency may yet approve the drug, which analysts have viewed as the most promising of three new diet pills recently submitted to the agency. But the FDA has asked for an additional study to address potential heart safety issues. Get the full story »

FDA asks Vivus to study diet drug, birth defects

Vivus Inc. said Friday the Food and Drug Administration has asked the drug developer to assess the feasibility of a study on whether an ingredient in the weight-loss drug Qnexa causes birth defects.

The request represents another setback for the drug intended to treat obesity. Vivus and rival Arena Pharmaceuticals Inc. had their diet drugs rejected by the agency in October, as competitor Orexigen Therapeutics Inc.’s weight-loss drug Contrave continued to move through the approval process. Get the full story »