Phase 1 Study of ACR-2316 in Specific Advanced Solid Tumors

Inclusion Criteria: 1. Signed written informed consent. 2. Histologically or cytologically proven metastatic, recurrent or locally advanced selected solid tumors. 3. Must be willing to provide redacted pathology report. 4. Subjects should have received no more than 3 lines of systemic therapy for recurrent disease. 5. Eastern Cooperative Oncology Group (ECOG) performance status of 0 to 1 at trial entry and an estimated life expectancy of at least 3 months. 6. Disease must be measurable with at least 1 unidimensional measurable lesion by RECIST v1.1. 7. Adequate organ functions. 8. Must have progressed after prior line of treatment. Exclusion Criteria (all participants): 1. Participants with known symptomatic brain metastases. 2. Participant had systemic therapy within 3 weeks prior to the first dose of study drug. 3. Participant had radiation therapy for curative intent within 4 weeks prior to the first dose of study drug. 4. Participant had palliative radiation therapy within 2 weeks prior to the first dose of study drug. 5. Women who are pregnant or lactating.