Could radiation ease severe armpit skin disease?
NCT ID NCT07414550
First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study tests whether high-dose radiotherapy can improve symptoms of hidradenitis suppurativa, a painful skin condition. Ten adults with moderate to severe disease will receive radiation to one armpit while the other armpit gets standard care. Researchers will compare changes in inflammatory nodules, abscesses, and quality of life between the treated and untreated sides.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Radiation therapy
- What this could lead to
- If it works, this could offer a new treatment option for people with severe hidradenitis suppurativa that hasn't responded to other therapies.
- What could go wrong
- This is a very small early study with only 10 people, so results may not apply to everyone. Radiotherapy also carries risks like skin irritation and long-term side effects.
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.
- 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 10 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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May 2026
An estimate. Start dates often move.
- Expected to finish
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Mar 2028
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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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: * Male or female subjects between the age of 18 or older with moderate or severe HS (Hurley Stage II or III) with bilateral axillary disease of approximately equivalent disease severity will be included. * Patients on topical and/or systemic HS medications for at least 1 month will continue maintenance treatment throughout the study period as per standard of care. * Patients willing and able to provide informed consent Exclusion Criteria: * Pregnancy - Women of childbearing potential must use trial approved birth control and obtain a negative pregnancy test 7 days prior to radiotherapy CT simulation. * Severe autoimmune conditions including lupus, scleroderma and mixed connective tissue disease * Poorly controlled diabetes per physician discretion, HIV, Hepatitis B/C. * Prior therapeutic radiotherapy. * Active malignancy. * Contraindication to radiotherapy as determined by treating radiation oncologist. * Patients who began new systemic treatment for their HS \<1 month prior to enrollment in trial * History of photosensitivity disorders or prior radiation sensitization syndromes * Any contraindication to radiotherapy as determined by the treating radiation oncologist.
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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 places running it
2 sites. 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
Locations
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Jefferson Cherry Hill - Radiation Oncology
RECRUITINGCherry Hill, New Jersey, 08003, United States
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Thomas Jefferson University
RECRUITINGPhiladelphia, Pennsylvania, 19107, United States
More trials for these conditions
Other studies related to the condition(s) this trial covers.
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- Can a daily pill tame the painful lesions of hidradenitis suppurativa?
- Can a new injection quiet the painful lumps of hidradenitis suppurativa?
- Can a new injection tame the painful lumps of hidradenitis suppurativa?