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Super MRI scans peek inside brains of testicular cancer survivors

NCT ID NCT06191575

Knowledge-focused Sponsor: University of Southern California Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused This study
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study uses a very powerful 7 Tesla MRI scanner to take detailed pictures of the brain in testicular cancer patients who have low testosterone (hypogonadism) and are on testosterone replacement therapy. The goal is to see if the MRI can detect changes in brain structure and function that might be linked to symptoms like fatigue, depression, or trouble concentrating. About 10 adult men who have had testicular cancer surgery and been on testosterone therapy for at least 6 months will participate. This is an observational study only—it does not test any new treatment.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Participants

About 10 people

The number the study aims to enrol. It can still change while the study runs.

Started

Nov 2022

Expected to finish

Dec 2027

An estimate. End dates often move.

Lead sponsor

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.

Who is studied

Male testicular patients with hypogonadism on androgen replacement therapy recruited from University of Southern California/Kenneth Norris, Jr Comprehensive Cancer Center and Hospital.

Ages

18 years and older

Sex

Male participants only

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Males age \>= 18 years * Diagnosed with germ cell tumor of the testis (seminoma or non-seminoma) and treated with radical orchiectomy * Diagnosed with hypogonadism and started androgen replacement therapy 6 months prior (+/- 2 weeks) * Ability to understand and the willingness to sign a written informed consent * Ability to undergo imaging procedure without any form of sedation Exclusion Criteria: * History of any neuropsychiatric disease * History of narcotic use or psychiatric medications * History of ART prior to current ART regimen * Standard contraindications for MRI: * Prior work as a machinist or metal worker, or history of metal being removed from the eyes * Cardiac pacemaker or internal pacing wires * Non-MRI compatible vena cava filter, vascular aneurysm clip, heart valve, spinal or ventricular shunt, optic implant, neuro-stimulator unit, ocular implant, or intrauterine device, or * Claustrophobia, or uncontrollable motion disorder * Current active second malignancy

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Conditions

The condition(s) this trial relates to.

hypogonadism malignant testicular germ cell tumor testicular cancer

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Hypogonadism Malignant testicular germ cell tumor

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    2 sites. The list below names each one and where it is.

  2. The official record

    The full official record for this study. This one lists no contact details, but it is the first place any would appear.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • Los Angeles General Medical Center

    Los Angeles, California, 90033, United States

  • USC / Norris Comprehensive Cancer Center

    Los Angeles, California, 90033, United States

More trials for these conditions

Other studies related to the condition(s) this trial covers.