SCHERING-PLOUGH CLARITIN ONSET-OF-ACTION CLAIMS UNSUBSTANTIATED, FDA SAYS;DDMAC WAS RINGMASTER IN SCHERING VERSUS PFIZER ZYRTEC PROMOTIONS DISPUTE
Executive Summary
Schering-Plough's claim that Claritin (loratidine) has a 30-minute onset of action has drawn objections from FDA, which maintains that the claim is made without "adequate and well-controlled studies."