GSK gets full USFDA nod for Jemperli to treat recurrent or advanced mismatch repair deficient endometrial cancer
Jemperli is a programmed death receptor-1 (PD-1)-blocking antibody that binds to the PD-1 receptor and blocks its interaction with the PD-1 ligands PD-L1 and PD-L2.
UK: GSK plc has reported that the US Food and Drug Administration (FDA) has granted full approval for Jemperli (dostarlimab-gxly) for the treatment of adult patients with mismatch repair-deficient (dMMR) recurrent or advanced endometrial cancer, as determined by a US FDA-approved test, that has progressed on or following a prior platinum-containing regimen in any setting and are not...
UK: GSK plc has reported that the US Food and Drug Administration (FDA) has granted full approval for Jemperli (dostarlimab-gxly) for the treatment of adult patients with mismatch repair-deficient (dMMR) recurrent or advanced endometrial cancer, as determined by a US FDA-approved test, that has progressed on or following a prior platinum-containing regimen in any setting and are not candidates for curative surgery or radiation.
Endometrial cancer is found in the inner lining of the uterus, known as the endometrium. Endometrial cancer is the most common gynaecologic cancer globally, with approximately 417,000 new cases reported each year worldwide, and incidence rates are expected to rise by almost 40% by 2040. Approximately 15-20% of patients with endometrial cancer will be diagnosed with advanced disease at the time of diagnosis.
Jemperli is a programmed death receptor-1 (PD-1)-blocking antibody that binds to the PD-1 receptor and blocks its interaction with the PD-1 ligands PD-L1 and PD-L2.
Hesham Abdullah, Senior Vice President, Global Head of Oncology Development, GSK, said, “This US regulatory action confirms our confidence in Jemperli as an important treatment option for patients with dMMR recurrent or advanced endometrial cancer. We continue to unlock the potential of Jemperli as the backbone for our immuno-oncology development programmes to address the unmet needs of patients, including earlier lines of endometrial cancer and other solid tumours.”
In April 2021, Jemperli received accelerated approval for the treatment of adult patients with dMMR recurrent or advanced endometrial cancer that had progressed on or following prior treatment with a platinum-containing regimen.
This approval is based on additional data collected from the A1 expansion cohort of the ongoing GARNET trial, a phase I, multicentre, open-label, single-arm study of Jemperli monotherapy in patients with advanced or recurrent solid tumours. Cohort A1 evaluated the efficacy of Jemperli in 141 patients with dMMR advanced or recurrent endometrial cancer that has progressed on or following prior treatment with a platinum-containing regimen. The major efficacy outcome measures were overall response rate (ORR) and duration of response (DOR) as assessed by a blinded independent central review according to RECIST v1.1. Confirmed ORR was 45.4% (95% CI: 37.0, 54.0), with a 15.6% complete response rate and a 29.8% partial response rate. Median DOR was not reached (range: 1.2+, 52.8+ months), measured from the time of first response, with 85.9% of patients having duration ≥12 months and 54.7% of patients having duration ≥24 months. Median follow-up for duration of response was 27.9 months.
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