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New drug targets rare gene fault in advanced cancers

NCT ID NCT07128303

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Aug 20, 2026 · Updated 2 times

Summary

This early-phase study tests a new drug called GS-5319 in adults with advanced solid tumors that lack a specific gene (MTAP). The main goals are to check the drug's safety, find the best dose, and see how the body processes it. About 178 people whose cancer has not responded to standard treatments will take part.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Phase 1

The first testing in people. Mainly checks safety and dose, usually in a small group.

Participants

About 476 people

The number the study aims to enrol. It can still change while the study runs.

Started

Aug 2025

Expected to finish

May 2028

An estimate. End dates often move.

Lead sponsor

A company

The lead sponsor is a pharmaceutical, biotech, or medical-device company.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 years and older

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Key Inclusion Criteria: * Participants diagnosed with histologically or cytologically confirmed solid tumor types who have progressed despite standard therapy, are intolerant to standard therapy, or are ineligible for standard therapy in the advanced setting (locally-advanced or metastatic). * Participant tumors are methylthioadenosine phosphorylase (MTAP)-deficient. Deoxyribonucleic acid (DNA) sequencing may be assessed locally such as by local next-generation sequencing (NGS) or by central laboratory assay when available. * Eastern Cooperative Oncology Group (ECOG) performance status score of 0 to 1. * Adequate organ function * Age ≥ 18yrs old ( ≥ 19 years old for patients in South Korea) * Participants must meet the following tissue requirements: * pretreatment tumor tissue is required Key Exclusion Criteria: * Active second malignancy. Participants with a history of malignancy who have been completely treated, with no evidence of active cancer for 3 years prior to enrollment, or participants with surgically cured tumors with low risk of recurrence may be enrolled. * Positive serum pregnancy test or participant who is breastfeeding. * Requirement for ongoing therapy with any prohibited medications. * Have not recovered (ie, returned to Grade 1 or baseline) from adverse events (AEs) due to a previously administered agent. * Active and clinically relevant bacterial, fungal, or viral infection that is not controlled or requires systemic antibiotics, antifungals, or antivirals, respectively. * Ascites or pleural effusion that is symptomatic and/or requiring medical intervention. * Active human immunodeficiency virus (HIV)/hepatitis B virus (HBV)/hepatitis C virus (HCV) infection Note: Other protocol defined Inclusion/Exclusion criteria may apply.

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As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    11 sites in 3 countries. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • Asan Medical Center

    RECRUITING

    Seoul, 05505, South Korea

  • Beth Israel Deaconess Medical Center

    RECRUITING

    Boston, Massachusetts, 02215, United States

  • Massachusetts General Hospital

    RECRUITING

    Boston, Massachusetts, 02114, United States

  • NEXT Virginia

    RECRUITING

    Fairfax, Virginia, 22031, United States

  • START - Centro Oncológico Clara Campal

    RECRUITING

    Madrid, 28050, Spain

  • START Madrid - FJD - Hospital Fundación Jiménez Díaz - Phase I Clinical Trials Unit

    RECRUITING

    Madrid, 28040, Spain

  • START San Antonio

    RECRUITING

    San Antonio, Texas, 78229, United States

  • Samsung Medical Center

    RECRUITING

    Seoul, 06351, South Korea

  • Seoul National University Hospital

    RECRUITING

    Seoul, 03080, South Korea

  • Vall d'Hebron Institute of Oncology (VHIO)

    RECRUITING

    Barcelona, 08035, Spain

  • Yonsei University Severance Hospital

    RECRUITING

    Seoul, '06273, South Korea

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