Partial Hold Lifted on Ewing Sarcoma Drug

FDA has removed a partial clinical hold against Salarius Pharmaceuticals and its Phase 1/2 clinical trial evaluating seclidemstat in patients with Ewing sarcoma, a rare and deadly pediatric bone cancer. Salarius says the hold was lifted following the submission of “safety and clinical information to assure the FDA of seclidemstat’s compelling risk-benefit profile.” The agency previously granted fast track, orphan drug and rare pediatric disease designations for the reversible, targeted LSD1 inhibitor, according to the company.

The Phase 1/2 trial is now in its dose-expansion stage with one arm designed to enroll up to 30 patients with Ewing sarcoma that will investigate seclidemstat in combination with topotecan and cyclophosphamide, a commonly used second- and third-line chemotherapy regimen, the company says.

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