NCT03780608 2022-06-15This Study is a Phase II Study of AZD6738 in Combination With Durvalumab in Patients With Solid Tumor (Cohort A (N=30): GC Who Have Failed Secondary Chemotherapy Treatments Regimen; Cohort B (B=30): Melanoma Patients Who Have Failed to IO)Samsung Medical CenterPhase 2 Unknown61 enrolled