- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT05078151
Whole-Body Diffusion-Weighted Magnetic Resonance Imaging (MRI) as a Response Biomarker for Metastatic Prostate Cancer (iPROMET)
A Study to Clinically Qualify Whole-Body Diffusion-Weighted Magnetic Resonance Imaging (MRI) in Patients With Metastatic Castration Resistant Prostate Carcinoma With Bone Metastases
The skeleton is the most frequent organ of distal metastases in prostate cancer, often representing the only site of metastatic disease. Still, assessment of response and progression to therapies in bone metastases remains a major unmet need, to aid treatment switch decisions, detecting primary/secondary resistance and to optimize drug development. The currently used standard imaging techniques, computed tomography (CT) and bone scintigraphy (BS), do not depict the true extent of bone metastases and are suboptimal in capturing biological changes occurring in response to treatment.
This results in treatment switch decisions too often being based on PSA changes, which is neither a surrogate of survival, nor an optimal response biomarker.Diffusion-weighted imaging (DWI) is a functional magnetic resonance imaging (MRI) technique that studies the movement of water molecules within a tissue and provides valuable information about the tissue microstructure and cellularity. Whole body MRI with DWI is highly accurate for bone metastases detection, outperforming the standard CT and BS and other imaging techniques when assessing bone metastases.
The investigators hypothesise that DWI changes are a response biomarker in bone metastases from metastatic castration resistant prostate cancer (mCRPC); these DWI changes can be detected as early as after 4 weeks of systemic treatment.
Study Overview
Status
Conditions
Intervention / Treatment
Study Type
Enrollment (Anticipated)
Phase
- Not Applicable
Contacts and Locations
Study Locations
-
-
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Barcelona, Spain, 08035
- Recruiting
- Vall d'Hebron Institute of Oncology
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Contact:
- Raquel Perez-Lopez, MD, PhD
- Phone Number: 8682 +34 932543450
- Email: rperez@vhio.net
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Sub-Investigator:
- Joan Carles, MD
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Sub-Investigator:
- Joaquin Mateo, MD, PhD
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Sub-Investigator:
- Rafael Morales, MD
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Sub-Investigator:
- Cristina Suarez, MD
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Sub-Investigator:
- Alonso Garcia, MD
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Men 18 or over years old.
- Patients with castration resistant prostate cancer.
- Evidence of bone metastases by any imaging technique.
- Patients due to start treatment with abiraterone or enzalutamide. In the exploratory cohorts, we will include patients due to start treatment with other systemic therapies for advanced prostate cancer (A-taxanes, B-radiopharmaceuticals, C-other therapies).
- Written (signed and dated) informed consent.
Exclusion Criteria:
- Contraindications to MRI.
- Inability of patient to tolerate whole body MRI (e.g. claustrophobia).
- Patients who have received radiotherapy within the last three months and with no bone metastases outside the radiotherapy field.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Diagnostic
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Other: Metastatic prostate cancer
Patients will receive whole-body MRI with diffusion-weighted imaging at baseline and after 4 and 8 weeks of treatment.
|
MRI at baseline, after four and eight weeks of treatment and at disease progression or treatment discontinuation.
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Changes in diffusion-weighted MRI as response biomarker
Time Frame: 8 weeks after treatment
|
Apparent Diffusion Coefficient (ADC) percentage change in responders vs non-responders to systemic treatment in patients with CRPC and bone metastases
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8 weeks after treatment
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Early response biomarker identification
Time Frame: 4 weeks after treatment
|
Apparent Diffusion Coefficient (ADC) percentage change in responders vs non-responders to systemic treatment in patients with CRPC and bone metastases
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4 weeks after treatment
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Intra-tumor heterogenous response evaluation
Time Frame: 4 and 8 weeks after treatment and at disease progression by standard criteria, on average 1 year
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To use diffusion-weighted MRI for identifying anatomic regions of subclonal resistance to systemic treatment and study tumour evolution.
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4 and 8 weeks after treatment and at disease progression by standard criteria, on average 1 year
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Collaborators and Investigators
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
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
- ipromet21
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
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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