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Could a memory drug fight prostate cancer? small trial aims to find out

NCT ID NCT07164794

Disease control Sponsor: Bin Xu Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 24, 2026 · Last updated Jun 27, 2026 · Updated 2 times

Summary

This phase 2 trial tests whether memantine hydrochloride, a drug used for Alzheimer's, can help control advanced prostate cancer that has stopped responding to standard hormone therapy. Fifteen men with metastatic castration-resistant prostate cancer will take memantine alongside their usual treatment. Researchers will track how long the disease stays under control and whether PSA levels drop.

What this could mean

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

Active substance
memantine hydrochloride
What this could lead to
If it works, this could point toward a new way to slow advanced prostate cancer by adding a common Alzheimer's drug to standard care.
What could go wrong
This is a very early, small study with only 15 people. It may not show clear benefit, and memantine is not proven for cancer. Results may not apply to all 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 2

Tests whether the treatment actually works, and watches for side effects, in a larger group.

Participants

About 15 people

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

Expected to start

Nov 2025

An estimate. Start dates often move.

Expected to finish

Jun 2028

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

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: 1. Age ≥ 18 years 2. Patients with metastatic castration-resistant prostate cancer (mCRPC) who have failed one or two prior lines of therapy. Patients with concomitant Alzheimer's disease will be prioritized for enrollment. 3. Complete clinical baseline data must be available, and the patient must be willing to undergo long-term follow-up. 4. Eastern Cooperative Oncology Group (ECOG) performance status of 0-1 Exclusion Criteria: 1. Patients with metastatic prostate cancer at initial diagnosis who have not progressed to mCRPC. 2. Patients with a concurrent primary malignancy at another site.

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Conditions

The condition(s) this trial relates to.

castration-resistant prostate carcinoma prostate cancer prostate neuroendocrine neoplasm

As listed by the trial registrant

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

Metastatic castration-resistant prostate cancer (MCRPC) Neuroendocrine prostate cancer (NEPC) Prostate cancer

How to take part

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

  1. The official record

    The full official record for this study. This one lists no contact details, but it is the first place any would appear.

    Open the record ↗

  2. 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.

More trials for these conditions

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