Under construction – not a live service
Sign in
Taking people in ChinaPhase 1

Tests a radioactive drug in men with advanced prostate cancer

Tests 225Ac-PSMA-XT, a radioactive drug, in adults with metastatic castration-resistant prostate cancer.

Plain-language title generated from the registry record
Registry title: A Clinical Study to Evaluate the Safety, Tolerability and Preliminary Efficacy of [225Ac]Ac-PSMA-XT Injection in Patients With Metastatic Castration-resistant Prostate Cancer

Key facts

Where
Jinan, ChinaSee the site
Phase
Phase 1

Where in China

  • Cancer Hospital of Shandong First Medical UniversityJinan, ChinaTaking people

Questions to ask the study team

  1. How often do I need to come in, and for how long each time?
  2. Are travel costs paid?
  3. Can I keep my own doctor?
  4. What happens if I want to stop?
Print a page for my doctor

Trial details

Who runs it
Xiaorong Sun
Trial code
NCT07135102
Record updated
24 August 2025
Original description
The purpose of this study is to determine the safety and efficacy of 225Ac -labeled PSMA ligand(PSMA-XT) in the treatment of mCRPCRead full original descriptionShow less

A Clinical Study to Evaluate the Safety, Tolerability and Preliminary Efficacy of [225Ac]Ac-PSMA-XT Injection in Patients With Metastatic Castration-resistant Prostate Cancer

The purpose of this study is to determine the safety and efficacy of 225Ac -labeled PSMA ligand(PSMA-XT) in the treatment of mCRPC

Inclusion: have the ability to understand and sign an approved informed consent form (ICF); >= 18 years old; Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1; have a life expectancy >6 months; have histological, pathological, and/or cytological confirmation of prostate cancer; PSMA Positron Emission Tomography (PET)/Computed Tomography (CT) scan positive; have a castrate level of serum/plasma testosterone (<50 ng/dL or <1.7 nmol/L); have received at least one NAAD (such as enzalutamide and/or abiraterone); patients must have been previously treated undergone at least 1-2 prior taxane-based chemotherapy regimens or be unsuitable for taxane therapy (unsuitability includes contraindications, investigator-determined ineligibility, or patient refusal) in mCRPC stage; progressive mCRPC; have adequate organ function。; Subjects of childbearing potential voluntarily use an effective method of contraception, such as condoms, oral or injectable contraceptives, Intra-uterine device(IUD),etc., during treatment and within 6 months of the last use of the trial drug.

Exclusion: Previous treatment with any of the following within 6 months of enrollment: Strontium-89, Samarium-153, Rhenium-186, Rhenium-188, Radium-223, hemi-body irradiation. Previous PSMA-targeted radioligand therapy is not allowed; Known other malignancies; Any systemic anti-cancer therapy (e.g. chemotherapy, immunotherapy or biological therapy within 28 days prior to day of enrollment; Known hypersensitivity to the components of the study therapy or its analogs; Patients with a history of Central Nervous System (CNS) metastases; Uncontrolled, intercurrent illness including, but not limited to, ongoing or active infection, symptomatic congestive heart failure, cardiac arrhythmia, or other severe complications; A superscan as seen in the baseline bone scan.

ClinicalTrials.gov NCT07135102