- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT05896371
A Phase 1/2 Study of Personalized PSMA Radiopharmaceutical Therapy (PRODIGY-1)
PROstate-specific Membrane Antigen DosImetry-Guided endoradiotherapY: A Phase 1/2 Study of Personalized PSMA Radiopharmaceutical Therapy (PRODIGY-1)
The goal of this clinical trial is to study a personalized regime of lutetium-177 (177Lu) prostate-specific membrane antigen (PSMA) radiopharmaceutical therapy (RPT) in patients with progressive and/or symptomatic, inoperable PSMA-expressing cancers of prostatic or other origins.
The main questions it aims to answer are:
- To establish a dosimetry-based, personalized regime of 177Lu-PSMA
- To report on the efficacy of personalized 177Lu-PSMA
Participants (stratified by risk factors of toxicity) will receive up to 6 cycles of a personalized activity of 177Lu-PSMA based on renal dosimetry. In the phase 1, the prescribed absorbed dose to the kidney will be escalated, to determine the regime that will be administered in the phase 2. The best response within 12 months after the first cycle will be assessed. Salvage treatment of 3 cycles may be offered to responders after re-progression.
Study Overview
Status
Intervention / Treatment
Study Type
Enrollment (Estimated)
Phase
- Phase 2
- Phase 1
Contacts and Locations
Study Contact
- Name: Guillaume Bouvet, Ph.D.
- Phone Number: 418-525-4444
- Email: guillaume.bouvet@crchudequebec.ulaval.ca
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
- Adult
- Older Adult
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- >18 y.o. adults able to provide consent
- Inoperable or metastatic PSMA-expressing cancer, with significant PSMA expression defined as uptake in at least one lesion that is superior to that of the liver on PSMA positron-emission tomography (PET) within 3 months prior to enrolment
- Cancer progression documented within 3 months prior to enrolment as per the investigator's assessment, without initiation of another anti-cancer treatment since (excluding palliative radiation therapy to a minority of the tumor burden), unless that anti-cancer treatment was stopped prematurely because of intolerance
- For participants with a cancer other than mCRPC, a recommendation from a multidisciplinary tumor board (MDT) in favor of PSMA RPT must be obtained
Exclusion Criteria:
- Platelets < 50 x 106/L
- Absolute neutrophil count (ANC) < 1.0 x 106/L
- Eastern Cooperative Oncology Group (ECOG) 4 or prognosis < 3 months, for cancer-related or other serious medical conditions, as per investigator's assessment
- Known presence of central nervous system metastasis at risk of complication, which cannot be adequately stabilized (e.g. radiotherapy or corticoid prophylaxis), as per investigator's assessment
- Any condition that would limit the ability to comply with the study protocol, as per investigator's assessment
- Pregnancy or breastfeeding (e.g. for female participants with non-prostate cancer)
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Non-Randomized
- Interventional Model: Sequential Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Cohort A
Lower risk of toxicity (no risk factor)
|
Personalized 177Lu-PSMA-I&T injected activity
Personalized 177Lu-PSMA-I&T injected activity
|
Experimental: Cohort B
Extensive bone metastasis
|
Personalized 177Lu-PSMA-I&T injected activity
Personalized 177Lu-PSMA-I&T injected activity
|
Experimental: Cohort C
Decreased bone marrow reserve
|
Personalized 177Lu-PSMA-I&T injected activity
Personalized 177Lu-PSMA-I&T injected activity
|
Experimental: Cohort D
Renal function impairment
|
Personalized 177Lu-PSMA-I&T injected activity
Personalized 177Lu-PSMA-I&T injected activity
|
Experimental: Cohort E
Higher risk of toxicity (more than one risk factor and others)
|
Personalized 177Lu-PSMA-I&T injected activity
Personalized 177Lu-PSMA-I&T injected activity
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Phase 1: Number of dose-limiting toxicities (DLTs)
Time Frame: 12 weeks
|
12 weeks
|
Phase 2: Overall response rate (ORR)
Time Frame: Up to 12 months
|
Up to 12 months
|
Phase 2: Biochemical response rate (PSA50)
Time Frame: Up to 12 months
|
Up to 12 months
|
Secondary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Overall survival (OS)
Time Frame: Up to 5 years
|
Up to 5 years
|
Progression-free survival (PFS)
Time Frame: Up to 5 years
|
Up to 5 years
|
Frequency and grades of treatment-related adverse events (AEs)
Time Frame: Up to 12 months
|
Up to 12 months
|
Delayed AEs of particular interest
Time Frame: Up to 5 years
|
Up to 5 years
|
Phase 1: Overall response rate (ORR)
Time Frame: Up to 12 months
|
Up to 12 months
|
Phase 1: Biochemical response rate (PSA50)
Time Frame: Up to 12 months
|
Up to 12 months
|
Quality of life patient-reported outcome measures (PROMs) response rates
Time Frame: Up to 12 months
|
Up to 12 months
|
Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Principal Investigator: Jean-Mathieu Beauregard, MD,MSc,FRCPC, CHU de Québec - Université Laval
Study record dates
Study Major Dates
Study Start (Estimated)
Primary Completion (Estimated)
Study Completion (Estimated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Estimated)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- 2023-6822
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
product manufactured in and exported from the U.S.
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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