Hesham Abdullah, Senior Vice President, Global Head of Oncology Development, GSK said: “New treatment options are urgently needed for patients with primary advanced or recurrent endometrial cancer. With this initial filing, we are accelerating the submission of a potential new indication for dostarlimab in the patient population that demonstrated the strongest treatment effect in the RUBY phase III trial. These patients currently face significant unmet medical needs, and this combination could change the treatment paradigm for this condition. The RUBY phase III trial continues to follow patients for the dual-primary endpoint of overall survival in the intent-to-treat population.”