A Phase 1, Open-Label, Multicenter, First-in-Human Study to Evaluate the Safety, Tolerability, Pharmacokinetics/Pharmacodynamics, and Preliminary Efficacy of ISM3412 in Participants With Locally Advanced/Metastatic Solid Tumors

Inclusion Criteria: 1. Male or female participants with age ≥18 years at the time of signing the informed consent. 2. Histologically confirmed unresectable locally advanced or metastatic solid tumors with confirmed homozygous MTAP deletion, who have disease progression after standard therapy, intolerable to standard therapy, or for whom no standard therapy exists. 3. Have measurable or evaluable lesions in Part 1 and at least one measurable target lesion in Part 2 as defined by Response Evaluation Criteria in Solid Tumors (RECIST) criteria. 4. Participants must provide a documentary evidence…