The goal of this study is to evaluate the efficacy and safety of pembrolizumab combined with carboplatin and paclitaxel as first-line treatment in participants with recurrent/metastatic head and neck squamous cell carcinoma (R/M HNSCC). No statistical hypothesis will be tested in this study.
Pembrolizumab 200 mg IV infusion given on Day 1 of each 21-day cycle
Carboplatin AUC 5 mg/mL/minute IV infusion given on Day 1 of each 21-day cycle
At investigator's choice, paclitaxel 100 mg/m\^2 IV infusion given on Day 1 and Day 8 of each 21-day cycle or paclitaxel 175 mg/m\^2 IV infusion given on Day 1 of each 21-day cycle
Rosario, Santa Fe Province, Argentina
San Miguel de Tucumán, Tucumán Province, Argentina
Buenos Aires, Argentina
Buenos Aires, Argentina
Buenos Aires, Argentina