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Verastem Oncology Announces Publication in Gynecologic Oncology of Two-Year Median Follow-Up Data from RAMP 201 Study of AVMAPKI® FAKZYNJA® CO-PACK (avutometinib capsules; defactinib tablets) in Recurrent Low-Grade Serous Ovarian Cancer

$VSTMPress releaseSep 28, 2026, 4:10 PM ETRead the release

Verastem announced publication in Gynecologic Oncology of two-year follow-up data from the Phase 2 RAMP 201 study of AVMAPKI FAKZYNJA CO-PACK in recurrent low-grade serous ovarian cancer. With a median follow-up of 24.9 months, the combination showed a median duration of response of 31.1 months and median PFS of 12.9 months, consistent with the primary analysis that supported the May 2025 FDA accelerated approval for KRAS-mutated recurrent LGSOC.

Key figures

Drug Name
AVMAPKI FAKZYNJA CO-PACK (avutometinib; defactinib)
Phase Of Trial
Phase 2
Median pfs
12.9 months
Kras mt pfs
19.6 months
Median followup
24.9 months
Kras wt dor increase
9.2 to 12 months
Ae discontinuation rate
12%
Median duration of response
31.1 months

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