A Study of XZB-0004 in Patients With Solid Tumors

Part 1a: 100mg BID, 150mg BID, and 200mg BID of XZB-0004 are planned to be evaluated, and the possibility of exploring higher or lower doses is not ruled out. Continuous administration of XZB-0004 for 21 days is a treatment cycle. Part 1b: XZB-0004 in combination with Penpulimab in subjects with advanced NSCLC or solid tumors, starting at a dose level down from the RP2D of XZB-0004 monotherapy- cohort 1: Advanced or metastatic NSCLC with advanced disease progression after treatment with PD-1 or PD-L1 inhibitors; cohort 2: Advanced or metastatic NSCLC with advanced disease progression after platinum-containing chemotherapy without prior use of any immunocheckpoint inhibitors; cohort3: Advanced or metastatic solid tumors that cannot be radically cured by surgery or local therapy, including but not limited to urothelial carcinoma, melanoma, etc. Subjects had disease progression since last antitumor therapy, no availability or intolerance or refusal of standard therapy.