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New radioactive drug targets Hard-to-Treat prostate cancer

NCT ID NCT05603559

Disease control Sponsor: Peking Union Medical College Hospital Source: ClinicalTrials.gov ↗

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This early-phase trial is testing two new radioactive drugs, 177Lu-P17-087 and 177Lu-P17-088, in 30 people with metastatic castration-resistant prostate cancer that has stopped responding to other treatments. The study first checks how the drug spreads in the body and its safety, then tests higher doses to find the best amount. The goal is to see if this approach can safely deliver radiation directly to cancer cells.

What this could mean

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

Active substance
177Lu-P17-087 and 177Lu-P17-088 (radioactive drugs)
What this could lead to
If it works, this could point toward a new treatment option for advanced prostate cancer that has stopped responding to standard therapies.
What could go wrong
This is a very early, small trial (30 people) focused on safety and dosing. It is not yet designed to prove effectiveness, and the treatment may cause side effects like low blood counts or liver/kidney issues.

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

Early phase 1

The earliest testing in people: a first look at safety, in a very small group.

Participants

About 30 people

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

Started

Jan 2023

Expected to finish

Oct 2026

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 to 90 years

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: * All the patients had progressive metastatic castration-resistant prostate cancer that did not respond to androgen-suppression therapy and/or systemic chemotherapy; * Distant metastases with high PSMA expression were confirmed on 68Ga-PSMA PET/CT within one week before the injection of 177Lu-P17-087/177Lu-P17-088. Exclusion Criteria: * Patients were excluded if they had \[18F\]FDG positive tumors without corresponding PSMA uptake. Patients were also not eligible if they accepted other radionuclide therapies within 6 months or had clinically significant impaired bone marrow, liver, or kidney function with a hemoglobin level of less than 9.0 g/dL, a white blood cell count of less than 2.5×109/L, a platelet count of less than 100×109/L and a serum creatinine \> 100 μmol/L.

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Conditions

The condition(s) this trial relates to.

castration-resistant prostate carcinoma metastatic prostate carcinoma

As listed by the trial registrant

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

Metastatic castration resistant prostate cancer

How to take part

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

  1. The places running it

    1 site. The list below names each one and where it is.

  2. 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 ↗

  3. 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

Locations

  • Peking Union Medical College Hospital

    RECRUITING

    Beijing, Beijing Municipality, 100730, China

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