FDA approves pembrolizumab/lenvatinib combo for advanced endometrial carcinoma


The Food and Drug Administration has granted accelerated approval to a pembrolizumab (Keytruda) plus lenvatinib (Lenvima) combination for the treatment of patients with advanced endometrial carcinoma that is not microsatellite instability high or mismatch repair deficient, and who have disease progression following prior systemic therapy but are not candidates for curative surgery or radiation.

A stamp saying "FDA approved." Olivier Le Moal/Getty Images

The approval was based on results of KEYNOTE-146, a single-arm, multicenter, open-label, multicohort trial with 108 patients with metastatic endometrial carcinoma; 94 of these were not microsatellite instability high or mismatch repair deficient. The objective response rate in those 94 patients was 38.3% (95% confidence interval, 29%-49%), with 10 complete responses and 26 partial responses. The median duration of response was not reached over the trial period, and 69% of those who responded had a response duration of at least 6 months.

The most common adverse events reported during the trial were fatigue, hypertension, musculoskeletal pain, diarrhea, decreased appetite, hypothyroidism, nausea, stomatitis, vomiting, decreased weight, abdominal pain, headache, constipation, urinary tract infection, dysphonia, hemorrhagic events, hypomagnesemia, palmar-plantar erythrodysesthesia, dyspnea, cough, and rash.

The recommended dosage is lenvatinib 20 mg orally once daily with pembrolizumab 200 mg administered as an intravenous infusion over 30 minutes every 3 weeks, according to the FDA.

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