FDA Approval Insights: Enfortumab Vedotin Plus Pembrolizumab in Urothelial Carcinoma

Welcome to OncLive On Air^®! I’m your host today, Ashling Wahner.

OncLive On Air^® is a podcast from OncLive^®, which provides oncology professionals with the resources and information they need to provide the best patient care. In both digital and print formats, OncLive^® covers every angle of oncology practice, from new technology to treatment advances to important regulatory decisions.

In today’s episode, sponsored by Seagen, we had the pleasure of speaking with Terence Friedlander, MD, about the FDA approval of enfortumab vedotin-ejfv (Padcev) plus pembrolizumab (Keytruda) in patients with locally advanced or metastatic urothelial carcinoma.

Dr Friedlander is chief of Hematology-Oncology and associate director for Cancer Research at Zuckerberg San Francisco General, Helen Diller Family Comprehensive Cancer Center, as well as an associate clinical professor in the Division of Hematology/Oncology at the University of California San Francisco.

On April 3, 2023, enfortumab vedotin plus pembrolizumab received accelerated approval from the FDA for the treatment of patients with locally advanced or metastatic urothelial carcinoma who are ineligible for cisplatin-containing chemotherapy. This approval was backed by findings from the dose-escalation, A, and K cohorts of the phase 1/2 EV-103/KEYNOTE-869 trial (NCT03288545). In these cohorts, treatment with the combination led to a confirmed objective response rate of 68% (95% CI, 59%-76%), consisting of a 12% complete response rate and a 55% partial response rate. Furthermore, the median duration of response was 22.1 months (range, 1+-46.3+) in the dose-escalation cohort and cohort A and not yet reached (range, 1.2-24.1+) in cohort K.

In our exclusive interview, Dr Friedlander discussed the significance of this approval, key efficacy and safety data from EV-103, and the importance of incorporating such an active combination regimen into the frontline setting for this population.

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