Durham – September 15, 2026 -- Seismic Pharmaceuticals has enrolled the first patient in RESCUE HF-CS, a global Phase 3 trial testing istaroxime as a potential first-ever approved drug for heart-failure-related cardiogenic shock, a condition with no FDA-approved treatment.

Trial to enroll 600 patients across four continents

The study will recruit approximately 600 patients at clinical sites in the United States, Europe, China and South America. It builds on four completed Phase 2 trials that enrolled more than 350 patients.