Neoadjuvant Lu-177-PSMA-617 in Patients With High Risk Localized Prostate Cancer Undergoing Radical Prostatectomy

NCT ID: NCT06798558

Last Updated: 2025-03-11

Basic Information

• Recruitment Status: RECRUITING
• Clinical Phase: PHASE2
• Total Enrollment: 54 participants
• Study Classification: INTERVENTIONAL
• Study Start Date: 2025-03-05
• Study Completion Date: 2029-03-31

Brief Summary

Male adults with a confirmed diagnosis of prostate adenocarcinoma who meet criteria for localized high risk prostate cancer according to the NCCN guidelines and who are eligible for prostatectomy will be invited to participate. Criteria for high-risk prostate cancer include patients with preoperative prostate biopsy score of Gleason 8 (GS8) (Grade group 4 [GG4]) or higher. Patients also need to have a positive PSMA scan on 68-Ga-PSMA-11 PET/CT scan.

Detailed Description

The PRELUDE trial is a prospective, non-randomized, single-arm, phase 2 interventional study to assess the oncological outcomes after 2 cycles of Lu-177-PSMA-617 (PluvictoⓇ) administered at 6-week intervals before prostatectomy in patients with high risk localized prostate cancer.

Patients who meet all the inclusion criteria for the study will be enrolled to receive 2 cycles of Lu-177-PSMA-617 (PluvictoⓇ) administered at the dose of 7.4 GBq (±10%), once every 6 weeks (±1 week). Six weeks after the second cycle of Lu-177-PSMA-617 (PluvictoⓇ), patients will be eligible for radical prostatectomy with pelvic lymph node dissection and remain eligible for surgery up until 30 days from this timepoint.

Following treatment with Lu-177-PSMA-617 (PluvictoⓇ) and surgery, all participants will be followed for safety at week 3, 6, 9, 11, and 12 as well as a 30-day safety follow-up visit (FUP) and longer term safety follow-up assessments every 3 months for a period of approximately 2 years. Patients who experience disease progression will be managed according to standard treatment guidelines recommendations.

Conditions

Prostate Adenocarcinoma

Study Design

• Allocation Method: NA
• Intervention Model: SINGLE_GROUP
• Primary Study Purpose: TREATMENT
• Blinding Strategy: NONE

Study Groups

Lu-177-PSMA-617 Treatment

Patients will receive 2 cycles of Lu-177-PSMA-617 (PluvictoⓇ) administered at the dose of 7.4 GBq (±10%), once every 6 weeks (±1 week)

Group Type: EXPERIMENTAL

Lu-17-PSMA-617

Intervention Type: DRUG

Lu-17-PSMA-617 administration

Interventions

Lu-17-PSMA-617

Lu-17-PSMA-617 administration

Intervention Type: DRUG

Eligibility Criteria

Inclusion Criteria

• Patients age 18 or older.
• Patients with histologically confirmed adenocarcinoma of the prostate.
• Patients with high-risk disease defined as a preoperative prostate biopsy of Gleason Score 8 (GS8) (Grade group 4 [GG4]) or higher. Men with evidence of lymph node involvement at or below the bifurcation of the common iliac arteries (cN1) on PET-CT 68Ga-PSMA-11 are eligible.
• Pre-operative, pre-treatment PSMA scan with high expression in prostate confirmed by PET/CT 68Ga-PSMA-11 (greater than liver). Patients must not have any other PET FDG-positive sites outside the prostate.
• Patients who are able and willing to undergo surgery.
• Patients with a life expectancy of greater than 10 years. Life expectancy can be estimated using any 1 of the following tools:

• The Social Security Administration tables:

https://www.ssa.gov/OACT/STATS/table4c6.html

• The WHO's Life Tables by country:

https://apps.who.int/gho/data/view.main.60000?lang=en

• The Memorial Sloan Kettering Male Life Expectancy tool:

https://www.mskcc.org/nomograms/prostate

• If using a life expectancy table, life expectancy should be adjusted using the clinician's assessment of overall health as follows: best quartile of health - add 50%; worst quartile of health - subtract 50%; and middle two quartiles of health - no adjustment. See the NCCN Prostate Cancer Guidelines for more information.

• Patients with an Eastern Cooperative Oncology Group (ECOG) performance status of 0 to 2.
• Patients who agree to remain abstinent (refrain from heterosexual intercourse) or use contraceptive measures, and agree to refrain from donating sperm, as defined below:
• With a female partner of childbearing potential who is not pregnant, men who are not surgically sterile must remain abstinent or use a condom plus an additional contraceptive method that together result in a failure rate of < 1% per year during the treatment period and for 14 weeks after the final dose of study treatment. Men must refrain from donating sperm during this same period.
• With a pregnant female partner, men must remain abstinent or use a condom during the treatment period and for 14 weeks after the final dose of study treatment to avoid potential exposure to the embryo.
• The reliability of sexual abstinence should be evaluated in relation to the duration of the clinical trial and the preferred and usual lifestyle of the patient. Periodic abstinence (e.g., calendar, ovulation, symptothermal, or post-ovulation methods) and withdrawal are not adequate methods of contraception.

• Patients who are able to comply with follow-up visits and treatment plans.
• Patients who are able to give informed consent.

Exclusion Criteria

• Patients with a prior history of prostate cancer treatment.
• Patients with previous treatment with PSMA-targeted radioligand therapy or any of the following within 6 months of enrollment confirmation: Strontium-89, Samarium-153, Rhenium-186, Rhenium-188, Radium-223 or hemi-body irradiation.
• Patients with distant disease (outside of local lymph nodes).
• Significant bone marrow impairment defined by leukocytes <3,000/mcL, absolute neutrophil count (ANC) <1,500/mcL, and platelet count lower than 70,000/mcL.
• Significant liver function impairment defined by total bilirubin higher than 1.5 times the upper limit of normal (ULN), andASL/ALT higher than 3 times the ULN.
• Impaired kidney function defined by glomerular filtration rate (GFR) lower than 40 mL/min, or concomitant use of nephrotoxic drugs. Kidney function based on eGFR by Modification of Diet in Renal Disease (MDRD) equation:

• Normal renal function: participants with eGFR 90 mL/min
• Moderate renal impairment: participants with eGFR 30 to 59 mL/min
• Severe renal impairment: participants with eGFR 15 to 29 mL/min
• Patients with significant comorbidities that would make them poor candidates for surgery.
• Patients with evidence of metastatic disease (enlarged lymph nodes, distant metastatic sites, visceral or bone metastases, etc.).
• Patients with a history of radiation or hormone therapy to the prostate.
• Patients with a history of bleeding disorders or who are taking anticoagulant therapy.
• Patients with active infections or other contraindications for surgery.
• Patients who are unable or unwilling to give informed consent.
• Patients who are unable to comply with follow-up visits and treatment plans

• Minimum Eligible Age: 18 Years
• Eligible Sex: MALE
• Accepts Healthy Volunteers: No

Sponsors

Lombardi Comprehensive Cancer Center

OTHER

Sponsor Role: collaborator

Novartis

INDUSTRY

Sponsor Role: collaborator

Hackensack Meridian Health

OTHER

Sponsor Role: lead

Responsible Party

Responsibility Role: SPONSOR

Principal Investigators

Nitin Yerram, MD

Role: PRINCIPAL_INVESTIGATOR

Hackensack Meridian Health

Locations

MedStar Washington Hospital Center

Washington D.C., District of Columbia, United States

Site Status: NOT_YET_RECRUITING

Lombardi Comprehensive Cancer Center at Georgetown University Medical Center

Washington D.C., District of Columbia, United States

Site Status: NOT_YET_RECRUITING

John Theurer Cancer Center at Hackensack University Medical Center

Hackensack, New Jersey, United States

Site Status: RECRUITING

Countries

United States

Central Contacts

Oncology Clinical Research Referral Office

Role: CONTACT

OncologyResearchReferral@hmhn.org

551-996-1777

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Other Identifiers

CAAA617A1US07T

Identifier Type: OTHER_GRANT

Identifier Source: secondary_id

Pro2024-0079

Identifier Type: OTHER

Identifier Source: secondary_id

PRELUDE

Identifier Type: -

Identifier Source: org_study_id