A PHASE II, RANDOMIZED TRIAL TO ASSESS MAINTENANCE THERAPY WITH CEMIPLIMAB VERSUS BEST SUPPORTIVE CARE AFTER 1ST LINE PLATINUM-BASED CHEMOTHERAPY IN ADVANCED/RECURRENT VULVAR CANCER

Inclusion Criteria: 1\) Female participants. 2) At least 18 years old on the day of signing the informed consent. 3) Histologically confirmed diagnosis of vulvar squamous cell carcinoma, clinical stages III-IVA or recurrent disease not amenable to curative-intent therapy, or metastatic disease (stage IVB) - according to FIGO 2018 (International Federation of Gynecology and Obstetrics).4) Measurable disease (as per RECIST v1.1) prior to starting first-line chemotherapy. Lesions located in a previously irradiated area are deemed as measurable if progression has been shown in such lesions. 5) Previous chemotherapy performed in localized disease setting, with curative intent and platinum-based is allowed, provided that the time off this treatment is longer than 6 months. 6) Previous first-line chemotherapy should have been comprised of at least 4 cycles and no more than 6 platinum-based chemotherapy cycles. 7) No evidence of progressive disease after completing first-line chemotherapy (e.g., ongoing complete response (CR), (partial response) PR or stable disease (SD) as per RECIST v1.1 guidelines). 8) An Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1 or 2. Exclusion Criteria: * 1\) History of allergy or hypersensitivity to the study drug components. 2) Persisting NCI CTCAE v5.0 Grade \> 1 toxicity related to previous therapy; however, Grade ≤ 2 sensory neuropathy and Grade ≤ 2 chronic kidney disease are acceptable. 3) Previous immune therapy with IL-2, …