Schering-Plough's corifollitropin alfa--a fertility drug--met its primary endpoints in a Phase III non-inferiority trial. Corifollitropin alfa is a sustained follicle stimulant and was tested in 1509 patients. The ongoing pregnancy rate, the primary endpoint of the trial, obtained in the 150 mcg corifollitropin alfa treatment arm (38.9 percent per started cycle) was similar to that achieved in patients receiving 200 IU recombinant FSH (follitropin beta) (38.1 percent per started cycle). The results were presented at the European Society of Human Reproduction and Embryology conference.
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