Actively Recruiting

Phase 1
Age: 18Years +
MALE
NCT06441994

Clinical Trial of Targeted Alpha Therapy Using [At-211]PSMA-5 for Prostate Cancer

Led by Osaka University · Updated on 2025-07-31

15

Participants Needed

1

Research Sites

148 weeks

Total Duration

On this page

Sponsors

O

Osaka University

Lead Sponsor

J

Japan Agency for Medical Research and Development

Collaborating Sponsor

AI-Summary

What this Trial Is About

PSW-1025 is administered intravenously to patients with castration-resistant prostate cancer to evaluate its tolerability, safety, pharmacokinetics, absorbed dose, and efficacy, as well as to determine the recommended dose for Phase II.

CONDITIONS

Official Title

Clinical Trial of Targeted Alpha Therapy Using [At-211]PSMA-5 for Prostate Cancer

Who Can Participate

Age: 18Years +
MALE

Eligibility Criteria

Eligible

You may qualify if you...

  • Male patients with progressive castration-resistant prostate cancer showing increased PSA levels or new tumor growth
  • Patients with serum testosterone at castration level (< 50 ng/dL)
  • Patients resistant to or not indicated for standard treatments including androgen receptor signaling inhibitors and taxane-based chemotherapy
  • Patients aged 18 years or older
  • Patients with stable general condition and ECOG performance status 0 to 2
  • Patients expected to survive 6 months or more
  • Patients without or with controlled symptomatic brain metastases
  • Patients with no significant abnormal findings in electrocardiogram, respiratory rate, and blood oxygen saturation within 30 days before enrollment
  • Patients with laboratory values within protocol-specified range within 30 days before enrollment
  • Patients able to use appropriate contraception during the trial
  • Patients who have given informed consent after understanding the trial procedures
Not Eligible

You will not qualify if you...

  • Patients who received systemic antitumor therapy (excluding androgen receptor signaling inhibitors) within 4 weeks before enrollment
  • Patients who received radium chloride (223Ra) or 177Lu-PSMA-617 within 6 months before registration
  • Patients currently receiving other cytotoxic chemotherapy, immunotherapy, radioligand therapy, PARP inhibitors, or AKT inhibitors
  • Patients with active double cancer diagnosed within the past 5 years
  • Patients who received other investigational drugs within 5 weeks prior to enrollment
  • Patients with uncontrollable active infections
  • Patients positive for Hepatitis B surface antigen, Hepatitis C antibody (unless HCV-RNA is undetectable), or HIV antibody
  • Patients with mental illness or psychiatric symptoms that hinder trial participation
  • Patients judged inappropriate for the trial by the investigator

AI-Screening

AI-Powered Screening

Complete this quick 3-step screening to check your eligibility

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Trial Site Locations

Total: 1 location

1

Osaka University Hospital

Suita, Osaka, Japan, 565-0871

Actively Recruiting

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Research Team

T

Tadashi Watabe, M.D., Ph.D.

CONTACT

How is the study designed?

Study Type

INTERVENTIONAL

Masking

NONE

Allocation

NA

Model

SINGLE_GROUP

Primary Purpose

TREATMENT

Number of Arms

1

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