MTAP: This study will evaluate the safety, tolerability and effectiveness of targeted therapy (AMG 193) is when given alone and in combination with chemotherapy in people with metastatic or locally advanced MTAP-null solid cancersA Phase 1/1b/2 Study Evaluating the Safety, Tolerability, Pharmacokinetics, Pharmacodynamics, and Efficacy of AMG 193 Alone and in Combination With Docetaxel in Subjects With Advanced MTAP-null Solid Tumors

Inclusion

• Participant has provided informed consent/assent before initiation of any study specific activities/procedures.
• Age ≥ 18 years.
• Evidence of homozygous loss of cyclin dependent kinase inhibitor 2A (CDKN2A) (null) (Parts 1a, 1j, 1k, and 2a only) and/or methylthioadenosine phosphorylase (MTAP) (null) in the tumor tissue or blood (Parts 1a to 1k, Parts 2a and 2b) or lost MTAP expression in the tumor tissue (Parts 1a to 1k, Parts 2a and 2b).
• Histologically confirmed metastatic or locally advanced solid tumor not amenable to curative treatment with surgery and/or radiation.
• Able to swallow and retain orally (PO) administered study treatment and willing to record daily adherence to investigational product.
• Disease measurable as defined by Response Evaluation Criteria in Solid Tumors Version 1.1 (RECIST v1.1). Note: except participants enrolling to Part 1m.

Eastern Cooperative Oncology Group (ECOG) performance status of 0 to 1.

• Adequate hematopoietic function per local laboratory
• Adequate renal function per local laboratory
• Adequate glucose control per local laboratory (Part 1 only)
• Adequate liver function per local laboratory
• Adequate coagulation parameters
• Adequate pulmonary function
• Adequate cardiac function
• Minimum life expectancy of 12 weeks as per investigator judgement.
• A total of 25 slides of archived tumor tissue (formalin-fixed, paraffin-embedded [FFPE] sample collected within 5 years) or an archival block must be available.
• For Part 1f (MTAP-null or lost MTAP expression HNSCC): Must be willing to undergo tumor biopsy.
• For Part 1a: Must be willing to undergo tumor biopsy, before start of treatment (archival sample acceptable if obtained with 6 months of enrollment and subject has not received any other treatment since sample was obtained) and while on treatment.
• For DSPS study (Part 1j): Must be willing to participate in DSPS substudy (US sites only).

Food Effect Substudy (Part 1k): Specific Inclusion Criteria

• Subject able and willing to eat a standardized high-fat, high-caloric meal
• Subject able and willing to fast for ≥ 6 hours

Specific Inclusion Criteria for subjects with glioma (Part 1m only)

-Disease measurable as defined per Modified Response Assessment in Neuro-Oncology Criteria 2.0 (mRANO 2.0)