GOG-3097/ENGOT-ov81/GTG-UK/RAMP 301: a phase 3, randomized trial evaluating avutometinib plus defactinib compared with investigator’s choice of treatment in patients with recurrent low grade serous ovarian cancer
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There are no approved treatments specifically for low grade serous ovarian cancer; current standard of care treatment options are limited in efficacy and tolerability. The combination of avutometinib with defactinib has demonstrated efficacy and a consistent safety profile in two clinical trials in recurrent low grade serous ovarian cancer, and a lower discontinuation rate due to adverse events compared with historical rates for standard of care. To compare the progression-free survival of the combination of avutometinib with defactinib versus investigator's choice of treatment in patients with recurrent low grade serous ovarian cancer. Combination treatment with avutometinib-defactinib will significantly improve progression-free survival compared with investigator's choice of treatment in patients with recurrent low grade serous ovarian cancer. GOG-3097/ENGOT-ov81/GTG-UK/RAMP 301 is a phase 3, randomized, international, open-label study designed to compare avutometinib with defactinib versus investigator's choice of treatment in patients with recurrent low grade serous ovarian cancer who have progressed on a previous platinum-based therapy. On confirmation of disease progression using a blinded independent central review, patients on the investigator's choice of treatment arm may cross over to the avutometinib-defactinib arm. Patients must have recurrent low grade serous ovarian cancer (KRAS mutant or wild-type) and have documented progression (radiographic or clinical) or recurrence of low grade serous ovarian cancer after at least one platinum-based chemotherapy regimen. Unlimited additional previous lines of therapy are allowed, including previous MEK/RAF inhibitor. Patients will be excluded if they have co-existing high grade ovarian cancer or had previous treatment with avutometinib, defactinib, or any other FAK inhibitor. Progression-free survival according to Response Evaluation Criteria in Solid Tumors (RECIST) version 1.1, blinded-independent central review. Approximately 270 patients will be randomized in a 1:1 fashion to either the combination avutometinib with defactinib arm (n∼135) or the investigator's choice of treatment arm (n∼135). The estimated primary completion date of RAMP 301 is 2028, and the estimated study completion date is 2031. ClinicalTrials.gov NCT06072781.