Efficacy and Safety of Becotatug Vedotin (MRG003) Combined With Anti-PD1 as Maintenance Therapy for Recurrent and Metastatic Nasopharyngeal Carcinoma

Conditions : Nasopharyngeal Cancinoma (NPC) Interventions : Drug: Anti-PD1; Drug: Anti-PD1 combined with Becotatug Vedotin Sponsors : Sun Yat-sen University; Sun Yat-Sen Memorial Hospital of Sun…