After Keros Therapeutics Inc.’s voluntary halt of dosing in two arms of its phase II study in pulmonary arterial hypertension, the company’s stock crumpled after a year of muscular performance and its ...
The company said the unanticipated events of pericardial effusion--when fluid builds up in the space around the heart--came in the Phase 2 clinical trial of 3 milligrams per kilogram and 4.6 mg/kg ...