Prescrire international
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Benfluorex is an amphetamine appetite suppressant derived from fenfluramine. In France, about 30 cases of pulmonary arterial hypertension and a similar number of valve disorders, often involving several valves, were reported between 1998 and 2009. ⋯ The French National Pharmacovigilance Committee simply proposed "to await the results of planned and ongoing studies". However, it would be in patients' best interests to withdraw this drug from the market.