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Scientists track Melanoma's metabolic tricks in tiny study

NCT ID NCT04658303

Knowledge-focused Sponsor: Yana Najjar Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 looks at melanoma tumors that spread between the main tumor and nearby lymph nodes (called in-transit metastases). Researchers will take biopsies from different spots and use a safe tracer to measure oxygen levels. They aim to understand how these tumors change metabolically and immunologically as they move away from the original site. The study involves 20 adults with melanoma and does not test any new treatment.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
Pimonidazole (a chemical tracer to detect low oxygen in tumors)
What this could lead to
If successful, this could help doctors understand why some melanoma spots resist treatment, potentially guiding better combination therapies.
What could go wrong
This is a very small, early observational study (20 people) with no treatment being tested. It aims to gather knowledge, not to cure or treat disease directly.

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 20 people

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

Started

Feb 2021

Expected to finish

Aug 2029

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

Patients with a histological diagnosis of melanoma

Ages

18 years and older

Sex

Anyone

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: 1. Be willing and able to provide written informed consent for the trial. 2. Be ≥ 18 years of age on day of signing informed consent. 3. A histological diagnosis of melanoma and at least two in-transit lesions at distinct distances from the primary site. Patients may be enrolled on the basis of a diagnosis of in-transit disease by a treating melanoma oncologist. 4. Cutaneous, mucosal or uveal melanoma are permitted. 5. Patients may be on treatment or treatment naïve. 6. Female patients of childbearing potential must have a negative urine or serum pregnancy test within 7 days from the time of pimonidazole administration. Exclusion Criteria: 1. Subjects with in-transit disease that is not amenable to biopsy per the treating physician are excluded. 2. Subjects with known chronic immunosuppression (such as biologic agents like remicade, mycophenolate, methotrexate, prednisone \>20 mg daily). 3. Subjects who are known to be HIV+, Hep B or Hep C positive.

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Conditions

The condition(s) this trial relates to.

immune system disorder melanoma

As listed by the trial registrant

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

Melanoma

How to take part

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

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    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

  • UPMC Hillman Cancer Center

    RECRUITING

    Pittsburgh, Pennsylvania, 15232, United States

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