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New drug combo aims to fight spread of prostate cancer

NCT ID NCT07140900

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jul 02, 2026 · Updated 1 time

Summary

This early-phase trial is testing a new immunotherapy drug called xaluritamig combined with standard hormone therapies (darolutamide or abiraterone) in 60 men with metastatic hormone-sensitive prostate cancer. The main goal is to check safety and tolerability, while also looking at how well the combination controls the cancer. The study is currently recruiting.

What this could mean

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

Active substance
xaluritamig (a type of immunotherapy) combined with darolutamide or abiraterone (hormone-blocking drugs)
What this could lead to
If it works, this could lead to a more effective treatment option for men with metastatic hormone-sensitive prostate cancer.
What could go wrong
This is an early Phase 1b trial with only 60 participants, focused on safety. It is too soon to know if the combination will be effective or have manageable side effects.

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 60 people

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

Started

Oct 2025

Expected to finish

Mar 2030

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

Male participants only

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: * Participants must have histological, pathological, and/or cytological confirmation of adenocarcinoma of the prostate. Mixed histologies (eg, adenocarcinoma with neuroendocrine component) are not permitted. * Participants must have at the time of diagnosis: * De novo (synchronous) mHSPC, defined as metastatic disease with no prior diagnosis of localized prostate cancer, AND started ADT (LHRH agonist/antagonist or orchiectomy) with or without ARPI (defined as abiraterone OR darolutamide) as SOC, first treatment with ADT should be no longer than 12 weeks before screening. Prior docetaxel treatment is not permitted. * Participants must have at the time of diagnosis: * High-volume metastatic disease defined as presence of visceral metastasis or metastases, and/or ≥ 4 bone metastases with at least one outside of the vertebral column and pelvis. * Documented metastatic disease either by a positive bone scan, or for soft tissue or visceral metastases, either by contrast enhanced abdominal/pelvic/chest computed tomography (CT) or magnetic resonance imaging (MRI) scan. * No documented PSA progression following the initial PSA nadir after starting ADT. Exclusion Criteria: * Prior history of central nervous system (CNS) metastases. Note: Participants with asymptomatic and clinically stable dural metastases are eligible. * Unresolved toxicities from prior anti-tumor therapy (excluding those related to ongoing ADT and ARPI) not having resolved to Common Terminology Criteria for Adverse events (CTCAE) version 5.0 grade 1 or baseline, with the exception of alopecia or toxicities that are stable and well-controlled AND there is an agreement to allow inclusion by both the investigator and the sponsor. * Autoimmune disease requiring systemic immunosuppression within the past 2 years. * Participant with symptoms and/or clinical signs and/or radiographic signs that indicate an acute and/or uncontrolled active or systemic infection within 7 days prior to the first dose of study treatment. * Prior six-transmembrane epithelial antigen of the prostate 1 (STEAP1)-targeted therapy. * Prior radioligand therapy (RLT), poly-adenosine diphosphate ribose polymerase (PARP) inhibitor, cytotoxic chemotherapy, aminoglutethimide or ketoconazole for prostate cancer, or any prior systemic biologic therapy, including immunotherapy for prostate cancer. * Prior enzalutamide or apalutamide within 15 days prior to enrolment. * Requirement for chronic systemic corticosteroid therapy (prednisone dose greater than 10 mg per day or local equivalent) or any other immunosuppressive therapies (including anti TNFα therapies) unless stopped (with adequate tapering) within 7 days prior to dosing. * Prior radiotherapy to all metastatic sites of disease. Radiotherapy to some sites of metastatic disease for palliation will be permitted.

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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

    16 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

  • Cabrini Hospital

    RECRUITING

    Clayton, Victoria, 3168, Australia

  • Calvary Mater Newcastle Hospital

    RECRUITING

    Waratah, New South Wales, 2298, Australia

  • Centre Hospitalier Universitaire Vaudois

    RECRUITING

    Lausanne, 1011, Switzerland

  • Chris OBrien Lifehouse

    RECRUITING

    Camperdown, New South Wales, 2050, Australia

  • Cleveland Clinic Foundation

    RECRUITING

    Cleveland, Ohio, 44195, United States

  • Dana Farber Cancer Institute

    RECRUITING

    Boston, Massachusetts, 02215, United States

  • Kantonsspital Graubuenden

    RECRUITING

    Chur, 7000, Switzerland

  • Kantonsspital Sankt Gallen

    RECRUITING

    Sankt Gallen, 9007, Switzerland

  • Peter MacCallum Cancer Centre

    RECRUITING

    Melbourne, Victoria, 3000, Australia

  • Sarah Cannon Research Institute

    RECRUITING

    Nashville, Tennessee, 37203, United States

  • South Texas Accelerated Research Therapeutics - Carolinas

    RECRUITING

    Myrtle Beach, South Carolina, 29572, United States

  • The Alfred Hospital

    RECRUITING

    Melbourne, Victoria, 3004, Australia

  • Thomas Jefferson University

    RECRUITING

    Philadelphia, Pennsylvania, 19107, United States

  • University of California San Francisco

    RECRUITING

    San Francisco, California, 94158, United States

  • University of Minnesota

    RECRUITING

    Minneapolis, Minnesota, 55455, United States

  • University of Pittsburgh Medical Center Hillman Cancer Center

    RECRUITING

    Pittsburgh, Pennsylvania, 15232, United States

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