GSK Reports Favorable Jemperli Phase 3 Data
GSK says “statistically significant and clinically meaningful” overall survival and progression-free survival data were observed in its RUBY/ENGOT-EN6/GOG3031/NSGO Phase 3 trial involving Jemperli (dostarlimab) in adult patients with primary advanced or recurrent endometrial cancer. GSK says the data will form the basis of a regulatory submission to FDA to support an expanded indication in the overall population in the first half of this year.
“The goal of the RUBY Phase 3 trial program is to evaluate which patients with primary advanced or recurrent endometrial cancer could potentially benefit from treatment with Jemperli (dostarlimab) plus chemotherapy, with or without the addition of Zejula (niraparib) maintenance,” the company says. “Previous data showed a statistically significant and clinically meaningful improvement in PFS with Jemperli plus chemotherapy versus chemotherapy alone in frontline mismatch repair deficient (dMMR)/microsatellite instability-high (MSI-H) primary advanced or recurrent 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, according to GSK. It is indicated in combination with carboplatin and paclitaxel, followed by Jemperli as a single agent for treating adult patients with primary advanced or recurrent endometrial cancer that is dMMR, and as a single agent for adult patients with dMMR recurrent or advanced endometrial cancer that has progressed on or following a prior platinum-containing regimen in any setting and are not candidates for curative surgery or radiation. It is also indicated for patients with dMMR recurrent or advanced solid tumors that have progressed on or following prior treatment and who have no satisfactory alternative treatment options.