Verastem Inc. surged 24.8% after FDA approved its New Drug Application for avutometinib with defactinib to treat KRAS mutant recurrent low-grade serous ovarian cancer, setting a PDUFA deadline for June 30, 2025. The treatment, showing promise in Phase 2 RAMP 201 study, addresses an unmet need for 6,000-8,000 U.S. women. Verastem plans a mid-2025 launch, with Breakthrough Therapy and Orphan Drug Designations, and is exploring broader applications in Phase 3 RAMP 301 and a partnership with Amgen for non-small cell lung cancer.