New study: simple scan and blood test may reveal who benefits from melanoma immunotherapy
NCT ID NCT06199713
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looks at 24 people with advanced melanoma who are starting immunotherapy. Researchers will do a special PET/CT scan and a blood test for tumor DNA about 3-4 weeks after the first treatment. The goal is to see if these early tests can predict whether the immunotherapy is working or causing side effects. This is an observational study, meaning it does not test a new drug but aims to improve how doctors monitor treatment.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- What this could lead to
- If successful, this could help doctors quickly tell which melanoma patients are responding to immunotherapy and who might need a different approach.
- What could go wrong
- This is a very small, early-stage observational study (24 people). It is not testing a new treatment, so it won't directly change care. Results may not apply to all patients.
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
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About 24 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Jan 2024
- Expected to finish
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Jan 2029
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.
Who is studied
24 participants with advanced stage III or stage IV melanoma with measurable disease who are deemed appropriate for treatment with ICI therapy.
- Ages
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18 years and older
- Sex
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Anyone
- 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: * Willing to provide informed consent. * Must have an advanced stage III or stage IV melanoma diagnosis for which treatment with ipilimumab, nivolumab, and/or pembrolizumab, either alone or in combination with other ICI therapy, is planned. * Must be planning to participate in Signatera™ (ctDNA level) monitoring with standard of care laboratory testing routinely obtained for treatment with ICI therapy. * Individuals at least 18 years of age. * Women of childbearing potential must be willing to use effective contraception as discussed with their oncologist while participating in this study. * Willing to comply with all study procedures and be available for the duration of the study. Exclusion Criteria: * Not able to receive treatment with ICI therapy * Use of investigational drugs, biologics, or devices within 30 days prior to enrollment. * Women who are pregnant, lactating, or planning on becoming pregnant during the study. * Not suitable for study participation due to other reasons at the discretion of the investigators.
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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.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The study's own enquiry address
This study publishes an address for enquiries. See it below .
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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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
Show contact details
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Study contacts
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Contact
Email: •••••@•••••
Locations
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University of Wisconsin Hospitals and Clinics (UWHC)
RECRUITINGMadison, Wisconsin, 53792, United States
More trials for these conditions
Other studies related to the condition(s) this trial covers.
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- Real-World melanoma care under the microscope
- Blood test could spot Melanoma's BRAF mutation
- Can a CXCR1/2 blocker boost radiation against cancer that spreads to the brain lining?
- Can a new antibody help the immune system fight Hard-to-Treat tumors?
- Can injecting immune drugs directly into tumors revive response to checkpoint inhibitors in melanoma?