Etigilimab Active Not Recruiting Phase 2 Trials for Recurrent Platinum-Resistant Ovarian Carcinoma / Recurrent Primary Peritoneal Clear Cell Adenocarcinoma / Recurrent Ovarian Clear Cell Adenocarcinoma / Recurrent Fallopian Tube Clear Cell Adenocarcinoma / Recurrent Platinum-Resistant Primary Peritoneal Carcinoma / Recurrent Platinum-Resistant Fallopian Tube Carcinoma Treatment