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New pill aims to shrink Hard-to-Treat cancers

NCT ID NCT07029399

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 28, 2026 · Updated 1 time

Summary

This early-stage trial tests an experimental oral drug called NKT5097 in adults with advanced solid tumors, especially breast cancer. The drug works by breaking down two proteins that help cancer cells grow. Researchers want to find the safest dose and see if it can shrink tumors, either alone or with other drugs.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
NKT5097 (oral tablet that degrades CDK2 and CDK4 proteins)
What this could lead to
If it works, this could lead to a new treatment option for advanced breast cancer and other solid tumors that have stopped responding to standard therapies.
What could go wrong
This is an early Phase 1 trial, so the drug may not be safe or effective. Side effects are unknown, and it will take years to know if it helps patients.

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 361 people

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

Started

Mar 2025

Expected to finish

Dec 2027

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.

Inclusion Criteria: * Able to provide written informed consent * Advanced unresectable or metastatic solid tumor (Part 1, 2 \& 3 only) * Advanced unresectable or metastatic HR+/HER2- breast cancer (Part 4 \& 5 only) * Refractory to or unable to tolerate existing therapies (Part 1, 2 \& 4 only) * Measurable or evaluable disease (Part 1, 2, \& 4 only). * Measurable disease (Part 3 \& 5 only) * Eighteen years of age or older * ECOG status of 0 or 1 * Adequate organ function * Patients with female reproductive organs must be surgically sterile, post- menopausal or willing to use effective contraception per protocol * Patients who are capable of insemination must be willing to use highly effective contraception and to refrain from sperm donation during treatment and for 28 days after the last dose * Able to swallow oral meds * Willing to provide tumor tissue Exclusion Criteria: * Advanced solid tumor that is a candidate for curative treatment * History of another malignancy except for the following: adequately treated local basal cell or squamous carcinoma of the skin, in situ cervical cancer, adequately treated papillary noninvasive bladder cancer, other adequately treated Stage I or Stage II cancers currently in complete remission * Not recovered from the effects of prior anticancer therapy * Clinically significant cardiovascular event, including myocardial infarction, arterial thromboembolism, or cerebrovascular thromboembolism, within 6 months * Known active CNS metastases and/or carcinomatous meningitis * Active interstitial lung disease requiring treatment * History of uveitis, retinopathy, or other clinically significant retinal disease * Major surgery within 30 days of administration of first dose * Active uncontrolled infectious disease * Significant liver disease (Child Pugh class B or C) * Should not have received any prior selective investigational inhibitors or degraders (Part 5 only)

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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

    18 sites. 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

  • City of Hope

    RECRUITING

    Duarte, California, 91010, United States

  • Cleveland Clinic

    RECRUITING

    Cleveland, Ohio, 44195, United States

    Contact Email: •••••@•••••

  • Comprehensive Cancer Centers of Nevada

    RECRUITING

    Las Vegas, Nevada, 89169, United States

  • Dana-Farber Cancer Institute

    RECRUITING

    Boston, Massachusetts, 02115, United States

  • MD Anderson Cancer Center

    RECRUITING

    Houston, Texas, 77030, United States

  • NEXT Virginia

    RECRUITING

    Fairfax, Virginia, 22031, United States

  • SCRI Florida Cancer Specialists - Sarasota

    RECRUITING

    Sarasota, Florida, 34232, United States

  • Sarah Cannon Research Institute at HealthONE

    RECRUITING

    Denver, Colorado, 80218, United States

  • South Texas Accelerated Research Therapeutics (START) Midwest

    RECRUITING

    Grand Rapids, Michigan, 49546, United States

  • South Texas Accelerated Research Therapeutics (START) Mountain Region

    RECRUITING

    West Valley City, Utah, 84119, United States

  • South Texas Accelerated Research Therapeutics (START) San Antonio

    RECRUITING

    San Antonio, Texas, 78229, United States

  • UC San Diego Moores Cancer Center

    RECRUITING

    La Jolla, California, 92037, United States

  • UPMC Hillman Cancer Center

    RECRUITING

    Pittsburgh, Pennsylvania, 15232, United States

    Contact Email: •••••@•••••

  • University of Iowa

    RECRUITING

    Iowa City, Iowa, 52242, United States

  • University of Texas Southwestern Medical Center

    RECRUITING

    Dallas, Texas, 75390, United States

  • Washington University

    RECRUITING

    St Louis, Missouri, 63110, United States

  • West Virginia University

    RECRUITING

    Morgantown, West Virginia, 26506, United States

  • Yale Cancer Center

    RECRUITING

    New Haven, Connecticut, 06520, United States

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