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Tivdak improved overall survival in patients with recurrent or metastatic cervical cancer compared with chemotherapy alone – Seagen + Genmab

Written by | 7 Sep 2023 | Obstetrics & Gynaecology

Seagen Inc. and Genmab A/S announced that the Phase III innovaTV 301 global trial in recurrent or metastatic cervical cancer patients with disease progression on or after front-line therapy who received Tivdak (tisotumab vedotin-tftv), compared with chemotherapy alone, met its primary endpoint of overall survival (OS).

An Independent Data Monitoring Committee determined that OS crossed the pre-specified efficacy boundary at interim analysis. The key secondary endpoints of investigator-assessed progression-free survival and objective response rate also demonstrated statistical significance. The safety profile of Tivdak in innovaTV 301 was consistent with the known safety profile of Tivdak as presented in the U.S. prescribing information, and no new safety signals were observed.

The results of innovaTV 301/ENGOT cx-12/GOG 3057, a global, randomized, open-label Phase III trial, add to the previous results of innovaTV 204, which served as the basis for the accelerated approval of Tivdak in the U.S. Subject to discussions with regulatory authorities, the results from innovaTV 301 are intended to serve as the pivotal confirmatory trial for the U.S. accelerated approval and support global regulatory applications. The innovaTV 301 China extension study has been initiated and continues to enroll patients, in collaboration with Zai Lab Limited.

“Tivdak is the only FDA-approved therapy in second-line recurrent or metastatic cervical cancer regardless of biomarker status, tumor histology and prior therapy,” said Roger Dansey, M.D., President of Research and Development and Chief Medical Officer at Seagen. “Demonstrating a survival benefit with the results of innovaTV 301 is a critical milestone in our efforts to ensure more adults living with advanced cervical cancer have an approved treatment option.”

“With limited options for advanced cervical cancer patients who have progressed after front-line therapy, there is a need for therapeutic options with new mechanisms of action, particularly those with a demonstrated survival benefit,” said Jan van de Winkel, Ph.D., Chief Executive Officer, Genmab. “These results provide hope for patients with recurrent or metastatic cervical cancer.”

Results of the Phase III innovaTV 301 clinical trial will be submitted for presentation at an upcoming medical congress and discussed with regulatory authorities.?

About the innovaTV 301 Trial : The innovaTV 301 trial (NCT04697628) is a global, randomized, open-label Phase III trial evaluating Tivdak (tisotumab vedotin-tftv) versus investigator’s choice of chemotherapy alone (topotecan, vinorelbine, gemcitabine, irinotecan, or pemetrexed) in 502 patients with recurrent or metastatic cervical cancer who received no more than two prior systemic regimens in the recurrent or metastatic setting. Patients with recurrent or metastatic cervical cancer with squamous cell, adenocarcinoma, or adenosquamous histology, and disease progression during or after treatment with a standard of care systemic chemotherapy doublet or platinum-based therapy (if eligible) are included. The main efficacy outcome measure is overall survival. The main secondary outcomes are progression-free survival, objective response rate, time to response, and duration of response, as assessed by the investigator, as well as safety and quality of life outcomes.

The study was conducted by Seagen in collaboration with Genmab, European Network of Gynaecological Oncological Trial Groups (ENGOT, study number ENGOT cx-12) and the Gynecologic Oncology Group (GOG) Foundation (study number GOG 3057).

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