Clinical trial Recruiting at 22 sites Phase 1 Interventional Ages 18 and up

Testing MRTX1719 for solid tumors with MTAP deletion

Official title: A Phase 1 Multiple Expansion Cohort Trial of MRTX1719 in Patients With Advanced Solid Tumors With Homozygous MTAP Deletion

Run by Bristol-Myers Squibb · NCT05245500 · Data updated 2026-11-12

This study is testing a new drug called MRTX1719 to see if it can help people with advanced solid tumors that have a specific gene deletion.

Quick facts

PhasePhase 1
Study typeInterventional
Ages18 Years and up
SexAll
Enrollment336 (estimated)
SponsorBristol-Myers Squibb
Industry-sponsored
Locations25 sites (Phoenix, Arizona and 24 other locations)
StatusRecruiting
StartedJune 9, 2022
Main results expectedDecember 10, 2027
Study endsDecember 10, 2027
Registry record updatedSeptember 2, 2026
Trial IDNCT05245500 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates include adults aged 18 and older with unresectable or metastatic solid tumors that have a confirmed homozygous deletion of the MTAP gene.

Probably not a fit

Patients with active brain metastases, prior treatment with specific inhibitors, or significant gastrointestinal conditions may not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This Phase 1 clinical trial evaluates the safety, tolerability, pharmacokinetics, pharmacodynamics, and anti-tumor activity of MRTX1719 in patients with advanced solid tumors that have a homozygous deletion of the MTAP gene. The study begins with dose exploration and may expand into additional cohorts to gather more safety data and early evidence of clinical activity. Participants will undergo mandatory biopsies for pharmacodynamic evaluation unless deemed unsafe. The trial is open-label and multicenter, involving several prominent cancer treatment facilities.

Why it matters

Potential benefit: If successful, this treatment could provide a new therapeutic option for patients with specific solid tumors that have limited treatment alternatives.

How similar studies have gone: While this approach is novel in targeting MTAP deletion, similar studies have shown promise in treating specific genetic alterations in solid tumors.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria

* Histologically confirmed diagnosis of a solid tumor malignancy with homozygous deletion of the MTAP gene detected in tumor tissue.
* Unresectable or metastatic disease.
* Presence of a tumor lesion amenable to mandatory biopsy for pharmacodynamic evaluation at baseline and on-study unless Sponsor-confirmed as medically unsafe or infeasible.
* Age ≥ 18 years.
* Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1.
* Adequate organ function.

Exclusion Criteria

* Prior treatment with a PRMT5 or MAT2A inhibitor therapy.
* Active brain metastases or carcinomatous meningitis.
* History of significant hemoptysis or hemorrhage within 4 weeks of the first dose of study treatment.
* Major surgery within 4 weeks of first dose of study treatment.
* History of intestinal disease, inflammatory bowel disease, major gastric surgery, or other gastrointestinal conditions (eg, uncontrolled nausea, vomiting, malabsorption syndrome) likely to alter absorption of study treatment or result in inability to swallow oral medications.
* Cardiac abnormalities.
* Other protocol-defined Inclusion/Exclusion criteria apply.

Where it's running

  • Mayo Clinic
    Phoenix, Arizona, United States
    Recruiting
  • Rocky Mountain Cancer Centers, LLP - Oncology
    Lone Tree, Colorado, United States
    Recruiting
  • Mayo Clinic
    Jacksonville, Florida, United States
    Recruiting
  • Sarah Cannon Research Institute at Florida Cancer Specialists
    Orlando, Florida, United States
    Recruiting
  • Dana-Farber Cancer Institute
    Brookline, Massachusetts, United States
    Recruiting
  • The Cancer & Hematology Centers
    Grand Rapids, Michigan, United States
    Recruiting
Show 19 more locations
  • Cancer and Hematology Centers of Western Michigan
    Norton Shores, Michigan, United States
    Recruiting
  • Mayo Clinic
    Rochester, Minnesota, United States
    Recruiting
  • Rutgers Cancer Institute of New Jersey
    New Brunswick, New Jersey, United States
    Recruiting
  • Perlmutter Cancer Center at NYU Langone Hospital Long Island
    Mineola, New York, United States
    Recruiting
  • David H Koch, Memorial Sloan Kettering Cancer Center
    New York, New York, United States
    Recruiting
  • New york cancer and blood specialists - Oncology
    Port Jefferson Station, New York, United States
    Recruiting
  • New york cancer and blood specialists - Oncology
    Port Jefferson Station, New York, United States
    Recruiting
  • University of North Carolina - Gastroenterology and Hepatology
    Chapel Hill, North Carolina, United States
    Recruiting
  • University of North Carolina
    Chapel Hill, North Carolina, United States
    Recruiting
  • Vanderbilt - Ingram Cancer Center
    Nashville, Tennessee, United States
    Recruiting
  • Ut Southwestern
    Dallas, Texas, United States
    Recruiting
  • Texas Oncology - DFW
    Fort Worth, Texas, United States
    Recruiting
  • Mdacc
    Houston, Texas, United States
    Recruiting
  • South Texas Accelerated Research Therapeutics
    San Antonio, Texas, United States
    Recruiting
  • Texas Oncology, P.A. - Oncology
    Tyler, Texas, United States
    Recruiting
  • Virginia Cancer Specialists, PC
    Fairfax, Virginia, United States
    Recruiting
  • Local Institution - 124
    Chicago, Illinois, United States
    Withdrawn
  • Local Institution - 134
    Seattle, Washington, United States
    Withdrawn
  • Local Institution - 108
    Milwaukee, Wisconsin, United States
    Completed

Study contacts

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How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.