European regulators reject Vivus diet pill again
The drug, sold in the United States as Qsymia, was approved by US regulators last year. The US Food and Drug Administration also approved another diet pill, Belviq, sold by Arena Pharmaceuticals Inc, making them the first new obesity drugs approved in the United States in more than a decade.
Qsymia, which was to be sold in Europe under the brand name Qsiva, was initially rejected by the European Committee for Medicinal Products for Human Use (CHMP) last October. Vivus requested a re-examination of the decision and was turned down again on Thursday.
"We are disappointed with the CHMP decision regarding Qsiva and the position the Committee adopted with respect to the need for a preapproval cardiovascular outcomes trial," Vivus President Peter Tam said in a statement.
Another diet drug developed by Orexigen Therapeutics Inc faces a similar hurdle in the United States after the FDA said it would not approve its pill, which is called Contrave, without a lengthy, expensive study to prove that it does not increase the risk of heart attacks and strokes.
Vivus shares fell 2.4 percent to $12.57 in extended-hours trading from their Nasdaq close at $12.88.
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