Merck & Co. is stopping its second Phase III trial of its pulmonary arterial hypertension drug Winrevair (sotatercept) in as many months due to confidence in the drug, this time in an earlier setting.
Merck Halts Another Winrevair Study Early
The Phase III HYPERION study in recently diagnosed PAH is ending early due to sotatercept’s strength. Phase III ZENITH similarly stopped early in November.

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