New MRI scan may predict prostate cancer treatment outcomes
NCT ID NCT04349501
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looks at whether a special type of MRI, called RSI-MRI, can predict how well prostate cancer responds to radiation and hormone therapy. About 100 men with high-risk, localized prostate cancer will get this MRI before and during treatment. The goal is to see if the scan can identify who might have their cancer come back within three years.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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About 100 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Dec 2020
- Expected to finish
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Dec 2026
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 years and older
- Sex
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Male participants only
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Male, aged ≥18 years, with histologically confirmed adenocarcinoma of the prostate * High-risk prostate cancer (any of: PSA ≥20 ng/mL or cT3-T4 stage or Gleason score ≥8) * Intended treatment and follow-up according to standard of care for prostate cancer * Planning to undergo definitive radiotherapy with neoadjuvant and concurrent androgen deprivation therapy * In good general health as evidenced by medical history and Eastern Cooperative Oncology Group (ECOG) performance status 0-2 * Provision of signed and dated informed consent form * Stated willingness to comply with all study procedures and availability for the duration of the study Exclusion Criteria: * Prior radiotherapy to the pelvis * Prior treatment for prostate cancer (cryotherapy, high frequency focused ultrasound, prostatectomy) * Hip prosthesis * Contraindication to MRI, per institutional requirements * Technetium-99 bone scan showing no clear evidence of distant metastasis * MRI or CT scan of the pelvis showing no clear evidence of bone or distant metastasis * Another malignancy, unless in remission or unlikely to impact the patient's survival or ability to receive standard care for prostate cancer (e.g., cutaneous basal cell carcinoma) * Patient has a history or current evidence of any condition, therapy, or laboratory abnormality that might confound the results of the trial, interfere with the subject's participation for the full duration of the trial, or is not in the best interest of the subject to participate, in the opinion of the treating investigator.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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UCSD Moores Cancer Center
La Jolla, California, 92093, United States
More trials for these conditions
Other studies related to the condition(s) this trial covers.
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- New PET tracer aims to light up hidden cancer targets
- Can daily adaptive radiotherapy spare healthy tissue in prostate cancer?
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- Can a 10-Hour eating window fight cancer fatigue?