News|Videos|October 9, 2026

Rina-S Shows 45.9% Response Rate in Platinum-Resistant Ovarian Cancer

Rinatabart sesutecan shrank tumors in 45.9% of patients with platinum-resistant ovarian cancer in a phase 2 study, with responses lasting a median of 12.1 months.

The investigational drug rinatabart sesutecan (Rina-S) shrank tumors in 45.9% of patients with platinum-resistant ovarian cancer, a form of ovarian cancer that returns or grows soon after platinum-based chemotherapy, according to results from Part C of the phase 1/2 RAINFOL-01 trial. Responses lasted a median of 12.1 months, and the drug showed activity in patients regardless of how much of its target protein their tumors carried.

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