156P A phase Ib/II study of nanatinostat (Nstat) plus valganciclovir (VGCV) in advanced Epstein-Barr virus positive (EBV+) solid tumors and with pembrolizumab (PEM) in recurrent/metastatic nasopharyngeal carcinoma (RM-NPC). (December 2022) - Colevas, A.D.