Abi/Pred + ADT vs ADT in PSMA-Positive, Conventionally Node-Negative Prostate Cancer (NCT07237269) | Clinical Trial Compass
RecruitingPhase 2
Abi/Pred + ADT vs ADT in PSMA-Positive, Conventionally Node-Negative Prostate Cancer
United States140 participantsStarted 2026-04-03
Plain-language summary
The advent of PSMA-PET has improved sensitivity and specificity in staging prostate cancer, particularly in intermediate- and high-risk disease. This has created uncertainty in the management of patients with PSMA-positive but conventionally negative pelvic lymphadenopathy (i.e., \<1 cm in smallest diameter).
This study evaluates outcomes of enhanced androgen deprivation therapy (ADT) with abiraterone and prednisone compared to standard ADT, both in combination with radiation therapy, in patients with prostate cancer and PSMA-positive but conventionally negative pelvic lymphadenopathy.
A total of 140 eligible participants will be randomized to receive either enhanced ADT with abiraterone and prednisone or standard ADT, both with concurrent radiation therapy. Participants will be followed for 5 years after completion of ADT to assess outcomes.
The primary objective is to determine whether enhanced ADT improves 5-year failure-free survival compared to standard ADT. Secondary objectives include evaluation of toxicity, quality of life, biochemical progression-free survival, cancer-specific survival, overall survival, and metastasis-free survival.
Exploratory objectives include evaluation of tumor growth and regression rates using PSA values and assessment of the relationship between treatment outcomes and blood-based heme oxygenase-1 (HO-1) levels.
Who can participate
Age range30 Years
SexMALE
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Inclusion criteria
ā. Histopathologically proven diagnosis of local prostate cancer. Biopsies will be confirmed by UNMC pathology review if collected outside our institution.
ā. Targetable PSMA-avid pelvic lymph node measuring \<1cm in short axis diameter.
ā. No prior definitive treatment or intervention received.
ā. Eastern Cooperative Oncology Group (ECOG) performance status ā¤ 2 within 14 days prior to registration.
ā. Age ā„ 30 years.
ā. Patient must be able to provide study-specific informed consent prior to study entry.
ā. Patient must be able to swallow medications.
Exclusion criteria
ā. Evidence of distant metastatic disease outside the pelvic lymph nodes (including osseous pelvic disease).
ā. Presence of any psychological, familial, sociological, or geographical condition potentially hampering compliance with the study protocol and follow-up schedule, including alcohol dependence or drug abuse.
ā. Relative or absolute contraindications to radiation therapy as determined by the treating physician. These include, but are not limited to, inflammatory bowel disease, connective tissue disorders (systemic lupus erythematosus, scleroderma, etc.), and genetic disorders that risk increased sensitivity to radiation therapy.
ā. Severe, active co-morbidity, defined as follows:
ā. Unstable angina and/or congestive heart failure requiring hospitalization within the last 3 months prior to registration.
ā. Congestive heart failure (NYHA functional capacity class II or greater).
ā. Transmural myocardial infarction within the last 3 months prior to registration.
ā. History of stroke or transient ischemic attack within 3 months prior to registration.