Keros Therapeutics, Inc.

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Investigation Details

Keros issued a press release on December 12, 2024, “announc[ing] that it has voluntarily halted dosing in the 3.0 mg/kg and 4.5 mg/kg treatment arms in the ongoing TROPOS trial, a Phase 2 clinical trial of cibotercept (KER-012) in combination with background therapy in patients with pulmonary arterial hypertension (“PAH”), based on a safety review due to the unanticipated observation of pericardial effusion adverse events in the trial.”

Following this news, Keros’s stock price fell sharply during intraday trading on the same day.