Skip to Main Content

Gossamer Bio said Tuesday that its experimental drug for pulmonary arterial hypertension achieved the main goal of a mid-stage clinical trial. But the treatment effect was smaller than expected, raising concerns that the drug may not be potent enough to provide a meaningful benefit for patients.

Shares of Gossamer fell 64% to $3 in early trading.

Unlock this article by subscribing to STAT+ and enjoy your first 30 days free!

GET STARTED

Create a display name to comment

This name will appear with your comment