Status:

ACTIVE_NOT_RECRUITING

Radioligand Therapy After PSMA PET Guided External Beam Radiotherapy for Treating Post-Prostatectomy Patients With Biochemically Recurrent Prostate Cancer

Lead Sponsor:

Emory University

Collaborating Sponsors:

National Cancer Institute (NCI)

Conditions:

Biochemically Recurrent Prostate Carcinoma

Prostate Adenocarcinoma

Eligibility:

MALE

18+ years

Phase:

PHASE1

Brief Summary

This phase I trial tests the safety, side effects and best dose of radioligand therapy (lutetium Lu 177 PSMA-10.1 \[177Lu-rhPSMA-10.1\]) after prostate specific membrane antigen (PSMA) positron emissi...

Detailed Description

PRIMARY OBJECTIVES: I. Demonstrate the safety and feasibility of treating radiotherapy (RT) prostate cancer patients via addition of lutetium Lu 177 PSMA-10.1 (177Lu-rhPSMA-10.1) in a selected post-p...

Eligibility Criteria

Inclusion

  • Adenocarcinoma of the prostate, post radical prostatectomy with detectable prostate specific antigen (PSA)
  • Clinical PSMA PET/CT obtained, with findings of pelvic uptake only (prostate bed, pelvic lymph node uptake, or both)
  • Eastern Cooperative Oncology Group (ECOG)/Zubrod performance status of 0-2
  • Age over 18

Exclusion

  • Contraindications to radiotherapy (including active inflammatory bowel disease or prior pelvic radiotherapy or prior RLT)
  • Risk factors for Lu-rhPSMA radioligand therapy (Baseline \>= grade 2 myelosuppression, renal insufficiency \[glomerular filtration rate (GFR) \< 60 mL/min\], or xerostomia)
  • Definitive findings of systemic metastasis prior imaging (if obtained) or biopsy (if obtained)
  • Unacceptable medical or radiation safety risk
  • Unmanageable urinary tract obstruction or hydronephrosis; patients with diagnosed or who are at high risk of urinary retention
  • GFR \< 60 mL/min or creatinine \> 1.5-fold upper limit of normal (ULN)
  • Liver enzymes \> 5-fold ULN
  • Total white cell count less than 2.5 x 10\^9 /L
  • Platelet count less than 75 x 10\^9 /L
  • Any baseline grade 2 or above myelosuppression, nephrotoxicity, hepatotoxicity, xerostomia, or gastrointestinal (GI) toxicity
  • Severe acute co-morbidity, defined as follows:
  • Unstable angina and/or congestive heart failure requiring hospitalization in the last 3 months
  • Transmural myocardial infarction within the last 6 months
  • Acute bacterial or fungal infection requiring intravenous antibiotics at the time of registration
  • Chronic obstructive pulmonary disease exacerbation or other respiratory illness requiring hospitalization or precluding study therapy at the time of registration
  • Acquired immune deficiency syndrome (AIDS) based upon current Centers for Disease Control and Prevention (CDC) definition; note, however, that human immunodeficiency virus (HIV) testing is not required for entry into this protocol. The need to exclude patients with AIDS from this protocol is necessary because the treatments involved in this protocol may be significantly immunosuppressive. Protocol-specific requirements may also exclude immunocompromised patients

Key Trial Info

Start Date :

November 29 2023

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

April 1 2029

Estimated Enrollment :

6 Patients enrolled

Trial Details

Trial ID

NCT06105918

Start Date

November 29 2023

End Date

April 1 2029

Last Update

December 9 2025

Active Locations (1)

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1

Emory University Hospital/Winship Cancer Institute

Atlanta, Georgia, United States, 30322