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New pill shows promise in early cancer trial

NCT ID NCT07222267

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 5 times

Summary

This early-phase study is testing a new oral drug called BG-75202, alone or with other medications, in people with advanced breast cancer or other solid tumors that have not responded to standard treatments. The main goals are to check the drug's safety, find the right dose, and see if it shows any signs of shrinking tumors. About 86 participants will be enrolled.

What this could mean

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

Active substance
BG-75202 (a KAT6A/B inhibitor taken as a pill)
What this could lead to
If successful, this could point toward a new treatment option for people with advanced breast cancer or other solid tumors that have stopped responding to standard therapies.
What could go wrong
This is a very early (Phase 1) trial with only 86 participants, so it is primarily testing safety and dosing. It is too soon to know if the drug will effectively shrink tumors or improve survival.

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 86 people

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

Started

Dec 2025

Expected to finish

Jan 2037

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: * Part 1A: Participants with histologically or cytologically confirmed advanced, metastatic breast cancer and other solid tumors who have exhausted, are intolerant of all available standard of care therapies, and/or without available standard of care therapies. * Part 1B and Part 2A: Participants with advanced breast cancer with 1 to 3 prior lines of systemic therapy in the metastatic setting. Prior lines in the advanced/ metastatic setting may not exceed 2 lines of chemotherapy (inclusive of antibody-drug conjugate with cytotoxic payload). * Parts 2B and 2C: Participants with advanced breast cancer enrolled in regions where cyclin-dependent kinase 4/6 (CDK4/6) inhibitors are not approved and/or not available as the first-line treatment and who are CDK4/6 inhibitor treatment naïve and did not receive any previous systemic treatment for advanced disease. * Participants with breast cancer must have histologically or cytologically confirmed advanced breast cancer at the time of most recent testing, based on American Society of Clinical Oncology (ASCO)/College of American Pathologists (CAP) guidelines. * Female participants with metastatic breast cancer must be postmenopausal or receiving ovarian function suppression treatment. * Measurable disease as assessed by Response Evaluation Criteria in Solid Tumors (RECIST) v 1.1. * Stable Eastern Cooperative Oncology Group (ECOG) Performance Status of 0 or 1. * Adequate organ function. Exclusion Criteria: * Prior exposure to KAT6A/B or KAT7 inhibitors/degraders. * Patients with active leptomeningeal disease or uncontrolled, untreated brain metastasis. * Participants with any malignancy ≤ 3 years before screening for the study except for the specific cancer under investigation in this study and any locally recurring cancer that has been treated curatively which in the opinion of the investigator is unlikely to require intervention during the study. Note: Other protocol defined 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

    31 sites in 6 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

  • Auckland City Hospital

    NOT_YET_RECRUITING

    Auckland, Grafton, 1023, New Zealand

  • Austin Health

    RECRUITING

    Heidelberg, Victoria, VIC 3084, Australia

  • Beijing Cancer Hospital

    RECRUITING

    Beijing, Beijing Municipality, 100142, China

  • Blacktown Cancer and Haematology Centre

    RECRUITING

    Blacktown, New South Wales, NSW 2148, Australia

  • Cancer Hospital Chinese Academy of Medical Sciences

    RECRUITING

    Beijing, Beijing Municipality, 100021, China

  • Cancer Research South Australia

    RECRUITING

    Adelaide, South Australia, SA 5000, Australia

  • Chongqing University Cancer Hospital

    RECRUITING

    Chongqing, Chongqing Municipality, 400030, China

  • Chris Obrien Lifehouse

    RECRUITING

    Camperdown, New South Wales, NSW 2050, Australia

  • Fondazione Policlinico Universitario Agostino Gemelli

    RECRUITING

    Roma, 00168, Italy

  • Fred Hutchinson Cancer Research Center

    RECRUITING

    Seattle, Washington, 98109-4433, United States

  • Fudan University Shanghai Cancer Centerpudong

    RECRUITING

    Shanghai, Shanghai Municipality, 201321, China

  • Harbin Medical University Cancer Hospital

    RECRUITING

    Harbin, Heilongjiang, 150000, China

  • Hospital Clinico San Carlos

    RECRUITING

    Madrid, 28240, Spain

  • Hospital Universitario 12 de Octubre

    RECRUITING

    Madrid, 28041, Spain

  • Hospital Universitario Vall Dhebron

    RECRUITING

    Barcelona, 08035, Spain

  • Hospital Universitario Virgen de La Victoria

    RECRUITING

    Málaga, 29010, Spain

  • Istituto Clinico Humanitas

    RECRUITING

    Rozzano, 20089, Italy

  • Istituto Europeo Di Oncologia

    RECRUITING

    Milan, 20141, Italy

  • Istituto Nazionale Tumori Fondazione G Pascale

    RECRUITING

    Naples, 80131, Italy

  • Jiangsu Province Hospital Longjiang Branch

    RECRUITING

    Nanjing, Jiangsu, 210036, China

  • Next Oncology Austin

    RECRUITING

    Austin, Texas, 78758, United States

  • Next Oncology Barcelona

    RECRUITING

    Barcelona, 8023, Spain

  • Peter Maccallum Cancer Centre

    RECRUITING

    Melbourne, Victoria, VIC 3000, Australia

  • Sir Run Run Shaw Hospital, Zhejiang University School of Medicine

    RECRUITING

    Hangzhou, Zhejiang, 310016, China

  • Sun Yat Sen University Cancer Center Huangpu Branch

    RECRUITING

    Guangzhou, Guangdong, 510555, China

  • The First Affiliated Hospital of Xiamen University

    RECRUITING

    Xiamen, Fujian, 361003, China

  • The University of Texas Md Anderson Cancer Center

    RECRUITING

    Houston, Texas, 77030-4009, United States

  • Tianjin Medical University Cancer Institute and Hospital

    RECRUITING

    Tianjin, Tianjin Municipality, 300060, China

  • University of Alabama At Birmingham Hospital

    RECRUITING

    Birmingham, Alabama, 35294-0004, United States

  • Washington University in St Louis

    RECRUITING

    St Louis, Missouri, 63110-1010, United States

  • Yale Cancer Center

    RECRUITING

    New Haven, Connecticut, 06510, United States

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