๐Ÿ›๏ธ Verified NIH Record โ€ข Updated 2026-08-25

Comparison of 177Lu-PSMA-617 and 225Ac-PSMA-617 (NCT07054346)

๐ŸŸข Recruiting Phase1 ๐Ÿ’Š Investigational Drug / Biologic Sponsor: Thomas Hope

๐Ÿฉบ Plain-English Summary (8th-Grade Level)

There is evidence that Actinium-225 Prostate-Specific Membrane Antigen (225Ac-PSMA) has a potentially higher level of efficacy than 177 Lutetium Prostate-Specific Membrane Antigen (177Lu-PSMA) as a radioligand therapy. This single center, pilot study will compare differences in the mechanisms of actinium-225 and lutetium-177 radioligand therapies (RLT) in participants with high or very high risk localized or locoregional prostate cancer planning on undergoing a prostatectomy.

Who can join: To join this study, participants generally need to meet the listed inclusion criteria (23 items) and avoid the listed exclusions (10 items).

Location: University of California, San Francisco โ€” San Francisco, California

๐Ÿ“‹ "Do I Qualify?" โ€” 1-Minute Self Screener

Instant Checklist

Check every box below. If you can check all of them, you may meet the study's basic screening requirements (final eligibility is confirmed by the site team).

Usually NOT eligible if any of the following apply:

  • Exclusion Criteria:
  • Diagnosed with other malignancies that are expected to alter life expectancy or may interfere with disease assessment. However, participants with a prior history of malignancy that has been adequately treated and who have been disease- free, treatment- free for more than 3 years prior to randomization, or participants with adequately treated non-melanoma skin cancer, superficial bladder cancer are eligible.
  • Individuals with a prior or concurrent malignancy whose natural history or treatment has the potential to interfere with the safety or efficacy assessment of the investigational regimen.
  • Concurrent and serious (as determined by the principal investigator) medical conditions, including, but not limited to New York Heart Association class III or IV congestive heart failure, history of congenital prolonged QT syndrome, uncontrolled infection, known active hepatitis B or C or other significant co-morbid conditions that in the opinion of the investigator would impair study participation or cooperation.
  • Has received prior prostate cancer therapy. a. Prior 5-alpha reductase inhibitors (e.g. finasteride, dutasteride) allowed if discontinued at least 3 weeks prior to treatment start.
  • Has participated in a study of an investigational therapeutic product and received study treatment or used an investigational device within four weeks of the first dose of treatment.
  • Prior external beam radiation therapy (EBRT) to the prostate or prostate bed.
  • Dry mouth that impacts the eating of food (i.e., requiring fluids prior to eating) Additional exclusion criteria applicable only to participants undergoing intraarterial administration of PSMA RLT:
  • Severe allergy to iodinated contrast.
  • Severe atherosclerosis from prior CT imaging study, or greater than 10 pack-year smoking history if no prior imaging available.

๐Ÿ” Extracted verbatim from the official NIH eligibility criteria. Always confirm with the study coordinator.

๐Ÿ“ All Participating Trial Locations (1 Sites)

  • University of California, San Francisco โ€” San Francisco, California

๐Ÿ’ฐ Cost, Insurance & Patient Rights

  • 100% Free Items: The investigational treatment and protocol-required procedures are supplied at zero cost by the sponsor.
  • Routine Patient Care: Under federal law (ACA ยง 2709) and many state statutes, routine care costs are covered during participation.
  • Voluntary Participation: You may withdraw at any time without affecting your standard medical care.
๐Ÿ›๏ธ View Official NIH Record โ†—