Phase II Trial of Androgen Deprivation Therapy (ADT) and Pembrolizumab for Advanced Stage Androgen Receptor-positive Salivary Gland Carcinoma: Big Ten Cancer Research Consortium BTCRC-HN17-111

This is a Phase II multi-center, single-arm, non-blinded study combining androgen deprivation therapy (ADT) and pembrolizumab for patients with metastatic or locally recurrent androgen receptor-positive salivary gland carcinoma, not amenable to surgery or radiation. Eligible patients will include both those with no prior systemic therapy and those who have failed prior systemic therapy. Patients who have received previous ADT or immunotherapy will be excluded. ADT will consist of goserelin acetate every 4 weeks with the first injection given approximately 2 weeks prior to the first dose of pe…