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A Phase 1/2 Study of AMG 193 in Combination With IDE397 in Participants With Advanced Methylthioadenosine Phosphorylase (MTAP)-Null Solid Tumors

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Brief Summary

The main aims of this study are to evaluate the safety and tolerability, and to determine the maximum tolerated dose (MTD) or the recommended combination dose of AMG 193 in combination with IDE397 in adult participants with metastatic or locally advanced MTAP-null solid tumors, and to evaluate the preliminary anti-tumor activity of AMG 193 in combination with IDE397 in adult participants with metastatic or locally advanced MTAP-null Non-Small-Cell Lung Cancer (NSCLC).

Primary Purpose
Treatment
Study Type
Interventional
Phase
Phase 2

Eligibility

Gender
All
Healthy Volunteers
No
Minimum Age
18 Years
Maximum Age
N/A

Inclusion Criteria

  • Evidence of homozygous loss of MTAP (null) and/or MTAP deletion.
  • Presence of advanced/metastatic solid tumor not amenable to curative treatment
    • Part 1: MTAP-null or lost MTAP expression solid tumor for which no standard therapy exists
    • Part 2: MTAP-null or lost MTAP expression NSCLC with progression after 1 to 2 prior lines of systemic therapy.
  • Able to swallow and retain PO administered study treatment and willing to record adherence to investigational product
  • Disease measurable as defined by RECIST v1.1
  • Adequate organ function as defined in the protocol.
  • Archived tumor tissue. Participants without archived tumor tissue available may be allowed to enroll by undergoing tumor biopsy before cycle 1 day 1 dosing.

Exclusion Criteria

  • Prior treatment with an MAT2A inhibitor or a PRMT5 inhibitor.
  • Radiologic or clinical evidence of spinal cord compression, untreated or symptomatic brain metastases or leptomeningeal disease.

3. Cardiovascular and pulmonary exclusion criteria as defined in the protocol.

  1. Gastrointestinal tract disease causing the inability to take PO medication, malabsorption syndrome, requirement for IV alimentation, gastric/jejunal tube feeds, uncontrolled inflammatory gastrointestinal disease (eg, Crohn's disease, ulcerative colitis)
  2. History of bowel obstruction, abdominal fistula, gastrointestinal perforation, or intra-abdominal abscess within 6 months of study entry.
  3. Prior irradiation to > 25% of the bone marrow
  4. Use of prescription medications that are known strong CYP3A4/5 inducers or strong CYP3A4/5 inhibitors within 7 days for CYP3A4/5 inhibitors, 14 days for CYP3A4/5 inducers or 5 half-lives, whichever is longer, prior to any dose of investigational medical product.

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Study Stats
Protocol No.
24-5258
Category
Lung Cancer
Contact
Angela Lool
Location
  • UCLA Santa Barbara
  • UCLA Santa Monica
For Providers
NCT No.
NCT05975073
For detailed technical eligibility, visit ClinicalTrials.gov.