Sellas Life Sciences Says 72 Deaths Have Occurred in Phase 3 Acute Myeloid Leukemia Trial

MT Newswires Live2025-12-29

Sellas Life Sciences (SLS) said Monday it was informed that 72 deaths have occurred in its phase 3 Regal trial, currently evaluating its Galinpepimut-S therapy candidate in patients with acute myeloid leukemia after second complete remission.

The company said that the Regal trial is an overall survival study, and a final analysis will be undertaken only after 80 deaths have been registered, which was previously expected to occur by the end of the year.

Sellas said it remains blinded to all efficacy and survival data outcomes of the trial and will announce the 80th death event when it occurs.

Shares of the company were down 6% in recent Monday premarket activity.

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