MRI-Mapped Dose-Escalated Salvage Radiotherapy Post-Prostatectomy: The MAPS Trial
United States37 participantsStarted 2012-07-12
Plain-language summary
1. The investigators hypothesize that increasing radiation dose to the functional MRI-defined lesion in the prostate bed will result in an improved initial complete response (reduction in prostate-specific antigen (PSA) to \< 0.1 ng/mL), which is related to long-term outcome biochemically.
2. Biomarker expression levels differ in the DCE-MRI enhancing and non-enhancing tumor regions (when applicable).
3. 10-15% of men undergoing RT have free circulating DNA (fcDNA) or tumor cells (CTC) that are related to an adverse treatment outcome.
4. Prostate cancer-related anxiety will be reduced in the MRI targeted SRT arm, because the patients will be aware that the dominant tumor will be targeted with higher radiation dose (compared to those pts who were treated on standard arm prior to its closure).
Who can participate
Age range
35 Years – 85 Years
Sex
MALE
See this in plain English?
AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.
Inclusion criteria
. Prostate cancer patients with a PSA after prostatectomy of at least 0.1 ng/mL and up to 4.0 ng/mL within 3 months prior to enrollment.
. Patients with or without palpable abnormalities on digital rectal exam (DRE) are eligible.
. Minimum of 3 months since prostatectomy to allow for return of urinary continence and healing.
. Imaging detectable lesion or lesions in prostate bed or regional lymph node (LN). Each lesion should be at least 0.4 cc and a maximum of 6 cc and was obtained ≤ 3 months prior to protocol entry or enrollment.
. No evidence of metastatic (distant) disease (pelvic nodes are allowed up to common iliac).
. Negative bone scan if deemed necessary by treating physician obtained ≤ 4 months prior to protocol entry or enrollment.
Questions worth asking your doctor
Bring these to your next appointment. They're a starting point for a shared conversation — not a sign you qualify or a recommendation to enrol.
1Based on my diagnosis and history, is this trial worth exploring for me — or is there a standard treatment we should try first?
2What does this trial's phase tell us about how much is already known about its safety and benefit?
3What would taking part actually involve for me — visits, tests, time, and travel?
4What are the known and possible risks or side effects I should weigh, and how would they be monitored?
5If this trial isn't the right fit, what other options or trials would you suggest I look into?
Generated to help you prepare — always confirm anything about your own eligibility and care with the study team and your doctor.
Questions for the trial coordinator
The trial coordinator is the person who runs the study day to day. These cover the practical side — logistics, costs, and what taking part would actually mean for your life. The study team confirms whether you meet the criteria; these are questions to ask, not a sign you qualify.
1What does taking part actually involve week to week — how many visits, where, and how long does each one take?
2What costs are covered by the study, and what might I have to pay for myself, including travel, parking, or time off work?
3What happens during screening, and what happens if the study team confirms I don't meet the criteria after those tests?
4Who pays for the scans, blood work, and other tests the trial requires — the study, my insurance, or me?
5How will being in the trial affect my regular care, and will my own doctor stay informed and involved?
6Can I leave the trial at any point if I change my mind, and what would happen to my care if I do?
A starting point for the conversation — always confirm anything about your own eligibility, costs, and care with the study team and your doctor.