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Freeze away skin tags at home? new trial tests cryogenic device

NCT ID NCT07355543

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 tests a freezing device called Nitrofreeze Skin Tag for removing skin tags. 56 healthy adults will have their skin tags frozen up to three times over 60 days. A blinded doctor will check if the skin tag disappears. The goal is to see if it works better than a similar product already on the market.

What this could mean

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

Active substance
cryogenic device (NITROFREEZE Skin Tag)
What this could lead to
If it works, this could offer a safe, effective at-home option for removing skin tags without a doctor visit.
What could go wrong
This is a small, early-stage trial with only 56 people. The device may not work better than the comparator, and skin tags may return.

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

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

About 56 people

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

Started

Oct 2025

Expected to finish

Jan 2026

An estimate. End dates often move.

Lead sponsor

A company

The lead sponsor is a pharmaceutical, biotech, or medical-device company.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

22 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. Healthy subject. 2. Sex: male or female. 3. Age: more than 22 years old. 4. Phototype: I to III according to Fitzpatrick. 5. Subject presenting at least one skin tag that could be treated by the tested devices as evaluated by the investigator: * Location: on the neck, chest, back, groin or underarm; * Colour: skin tags must be similar in colour to the surrounding skin; * Shape \& Feel: skin tags must be soft and flexible. * Size: 2 to 5 mm in size. 6. Subject having given freely and expressly his/her informed consent. 7. Subject who is able to comply with the study requirements, as defined in the present CIP, at the investigator's appreciation. 8. Subject affiliated to a health social security system. 9. Female of childbearing potential should use a contraceptive regimen recognized as effective since at least 12 weeks before screening visit and during all the study. Exclusion Criteria: 1. Pregnant or nursing woman or planning a pregnancy during the study. 2. Subject who had been deprived of their freedom by administrative or legal decision or who is under guardianship. 3. Subject in a social or sanitary establishment. 4. Subject having received 6000 euros indemnities for participation in clinical research in the 12 previous months, including participation in the present study. 5. Subject enrolled in another clinical trial or which exclusion period is not over. 6. Member of the CRO or the centre staff. 7. Subject with a condition or receiving a medication which, in the investigator's judgment, put the subject at undue risk. 8. Subject suffering from a severe or progressive disease (including asthma and diabetes). 9. Subject with immune deficiency or autoimmune disease. 10. Subject suffering from an acute or cutaneous disease or any other cutaneous pathology. 11. Subject with a history of skin cancer or pre-cancerous skin lesions. 12. Subject with previous event of healing disorders such as hypertrophic or keloid scar, residual pigmentation etc. 13. Subject with blood circulation or blood clotting problems including Raynaud's disease; blood dyscrasias of unknown origin; haemophilia subjects. 14. Subject presenting skin growths such as birthmarks, moles, warts, or any other unusual-looking skin condition on the treated zone. 15. Subject having thin, inflamed, damaged, irritated, itchy, infected, cut, grazed, diseased or red skin on and around the treated zone. 16. Subject with molluscum contagiosum, blisters or any other vesicles on the skin on and around the treated zone. 17. Subject with a known allergy to Chlorhexidine based antiseptic or to adhesives. 18. Subject who already had an abnormal reaction to cold. 19. Subject whose selected skin tag is bleeding or scratched. 20. Subject whose skin tag is located on the face, scalp or mucosa, anus, genitals, buttocks, lips, eyelids or eyes. 21. Subject undergoing a topical treatment on the test area or a systemic treatment: * anti-inflammatory medication within 5 days prior to D0 visit, * immunosuppressors and/or corticoids within 10 days prior to D0 visit, * retinoids within 6 months prior to D0 visit, * treatment with an action on coagulation within 1 week prior to D0 visit, * any long-term medication stabilized for less than one month. 22. Subject who received a treatment of any kind on the selected skin tag within 6 months prior to D0 visit. 23. Intensive exposure to sunlight or UV-rays within the previous month and/or foreseen exposure of the treated zone during the study.

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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.

  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

  • Eurofins Dermscan Pharmascan

    RECRUITING

    Villeurbanne, 69100, France