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New hope for Hard-to-Treat cancers: GTAEXS617 enters human trials

NCT ID NCT05985655

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 14, 2026 · Updated 2 times

Summary

This study tests a new drug called GTAEXS617 in people with advanced solid tumors (like lung, pancreatic, or ovarian cancer) that have not responded to standard treatments. The main goals are to check safety, find the right dose, and see if the drug can shrink tumors. About 230 participants will take part in this early-phase trial.

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 1/2

Runs two stages together: safety and dose first, then whether the treatment works.

Participants

About 230 people

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

Started

Jul 2023

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: * Eastern Cooperative Oncology Group (ECOG) performance status 0-1. * Life expectancy \> 3 months. * One of the following histologically or cytologically confirmed advanced solid tumors: head and neck squamous cell carcinoma (HNSCC), pancreatic adenocarcinoma, non-small cell lung cancer (NSCLC), breast carcinoma (hormone receptor-positive \[HR+\] and Human Epidermal Growth Receptor 2 negative \[HER2-\] that has progressed to a prior treatment with Cyclin-Dependent Kinase 4 (CDK4)/ Cyclin-Dependent Kinase 6 \[CDK6\] inhibitor), or platinum-resistant high-grade epithelial ovarian, primary peritoneal, or fallopian tube cancers (HGSOC), or triple negative breast cancer (TNBC). * Must have disease that is advanced (ie, surgery or radiotherapy are not considered to be potentially curative), recurrent, or metastatic following SoC treatments. * Adequate hematological, liver, and renal function. * Must have tumor lesion(s) or metastases amenable to biopsy, excluding bone metastases. Key Exclusion Criteria: * Active and clinically significant (CS) infection. * Refractory nausea and/or vomiting, chronic gastrointestinal disease, or previous significant bowel resection, with CS sequelae that would preclude adequate absorption of GTAEXS617. * Symptomatic central nervous system (CNS) malignancy or metastases. * Concurrent active or previous malignancy. * Prior organ or allogeneic stem-cell transplantation. * Moderate or severe cardiovascular disease. * Received anticancer therapy within 28 days or 5 half-lives (whichever is shorter) before the first dose of the study treatment. * Received treatment with known strong/moderate inhibitors and/or strong inducers of cytochrome P450 3A isoform subfamily (CYP3A) within 14 days or 5 half-lives before the first dose of study treatment. * Received treatment with known inhibitors or inducers of P-glycoprotein (P-gp) or breast cancer resistance protein (BCRP) within 14 days or 5 half-lives before the first dose of study treatment. * Received treatment with known substrates of organic anion transporting peptide or BCRP within 14 days or 5 half-lives before the first dose of study treatment. * Unresolved or unstable serious toxic side-effects of prior chemotherapy or radiotherapy * Has had or is scheduled to have major surgery \<28 days prior to the first dose of study treatment. Note: Other protocol Inclusion/Exclusion criteria may apply.

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Conditions

The condition(s) this trial relates to.

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 study's own enquiry address

    This study publishes an address for enquiries. See it below .

  2. The places running it

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

  3. 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 ↗

  4. 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

Study contacts

  • Contact

    Email: •••••@•••••

Locations

  • CHU Sart Tilman

    RECRUITING

    Liège, Belgium

  • Clinique Universitaires Saint-Luc

    RECRUITING

    Brussels, Belgium

  • GZA Ziekenhuizen - Campus Sint-Augustinus

    RECRUITING

    Antwerp, Belgium

  • Institute Jules Bordet

    RECRUITING

    Brussels, Belgium

  • Memorial Sloan Kettering Cancer Center

    RECRUITING

    New York, New York, 10065, United States

  • Newcastle Upon Tyne NHS Foundation Trust

    RECRUITING

    Newcastle upon Tyne, United Kingdom

  • Oxford University Hospitals NHS Foundation Trust

    RECRUITING

    Oxford, United Kingdom

  • START Midwest

    RECRUITING

    Grand Rapids, Michigan, 49546, United States

  • START Mountain Region

    RECRUITING

    West Valley City, Utah, 84119, United States

  • START San Antonio

    RECRUITING

    San Antonio, Texas, 78229, United States

  • The Beatson West of Scotland Cancer Centre

    RECRUITING

    Glasgow, United Kingdom

  • The Christie NHS Foundation Trust

    RECRUITING

    Manchester, United Kingdom

  • The Ohio State University

    RECRUITING

    Columbus, Ohio, 43210, United States

  • UCL Hospitals NHS Foundation Trust

    RECRUITING

    London, United Kingdom

  • USC Norris Comprehensive Cancer Center

    RECRUITING

    Los Angeles, California, 90089, United States

More trials for these conditions

Other studies related to the condition(s) this trial covers.