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HyperhidrosisNCT04178161

Image Guided Targeted Photoablation for the Treatment of Localized Hyperhidrosis

A study testing Laser treatment in people with Hyperhidrosis, run by Massachusetts General Hospital at 1 site in United States.

Terminated

Stopped early. The study ended before it was planned to and will not resume.

Official record
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Trial summary

Hyperhidrosis is a condition in which sweating is in excess of that required for normal regulation of body temperature. Commonly affected areas in primary hyperhidrosis include axillae, palms and soles. Secondary hyperhidrosis can affect scalp, face, neck, back, groin and legs. Read more about this study

Who is it for?
Ages 18 to 65 yearsHealthy volunteers can take part
Conditions the study is for
Hyperhidrosis
What is being tested?
Laser treatment
Type of treatment
Medical device
Could I receive a placebo?
No, everyone receives an active treatment
How many people
2 participants
Where
1 siteUnited States
Study dates
1 Sep 2016to 1 May 2021
Phase
Interventional
Are there results?
Yes, posted in the registrySummary in the doctors' view

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 to 65 years
  • All sexes
  • Healthy volunteers accepted
  • Adult, Older adult

Who may be able to join

  • Subjects of ages between 18 and 65 years.
  • Subjects with any Fitzpatrick skin type.
  • Subjects who are proficient in the English language.
  • Willingness to participate in the study.
  • Willingness to undergo experimental procedure.
  • Informed consent agreement signed by the subject.
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  • Willingness to follow the follow-up schedule.
  • Willingness not to use any other hyperhidrosis treatment to the tests sites during the study period (i.e. deodorant, at-home iontophoresis, Botox, MiraDry).
  • Patient rates symptoms at level "3" or "4" on the hyperhidrosis disease severity scale (HDSS, see below).
  • Subject in appropriate physical health to ride a stationary bicycle to the point of eliciting sweat.
  • No known allergy to iodine or potato starch

Who cannot join

  • Pregnancy
  • Subjects on systemic treatment for hyperhidrosis, such as anticholinergic drugs (e.g. glycopyrrolate), sedatives or tranquilizers, within the past 8 weeks.
  • Subjects who have undergone surgical excision of sweat glands or sympathectomy for hyperhidrosis.
  • Subjects with an underlying disorder, such as neurologic injury or disease affecting the autonomic system, vascular disorders and metabolic disorders (e.g. hyperthyroidism, diabetes mellitus) that can produce hyperhidrosis
  • Subjects with a history of coronary artery disease.
  • Subjects with a history of poor compliance or psychosis
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  • Subjects taking SSRIs, SNRIs, TCAs, or MAOIs
  • Subjects with known hypersensitivity to methylene blue
  • Subjects with cardiac pacemaker or any other electrically powered implantable device.
  • Subjects not proficient in the English language.
  • Subject not in appropriate physical health to ride a stationary bicycle to the point of eliciting sweat.
  • Known allergy to iodine or potato starch.

Trial locations and contacts

1 site in 1 country.

United States1 site
  • Massachusetts General Hospital - Wellman Center for Photomedicine

    Boston, Massachusetts, 02114

Other trials in United States

About this study

Hyperhidrosis is a condition in which sweating is in excess of that required for normal regulation of body temperature. Commonly affected areas in primary hyperhidrosis include axillae, palms and soles. Secondary hyperhidrosis can affect scalp, face, neck, back, groin and legs. Hyperhidrosis can negatively impact, employment, relationships, or other aspects of quality of life.

The investigators propose to investigate the use of a unique image-guided laser to specifically ablate eccrine sweat glands.

Conditions
Hyperhidrosis
Being tested
Laser treatment
Medical subject headings
Hyperhidrosis

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Laser treatmentDevice

    Iontophoresis of methylene blue is used to identify the sweat glands. An image guided fractional erbium laser is used to specifically target these glands for ablation.

Study groups in NCT04178161
Study groupRoleWhat they receive
Treated sideExperimentalTwo test sites are chosen on the palms and randomized to treatment or control sides. Treatment side receives laser treatment of the sweat glands.
Receives: Device: Laser treatment
Untreated sideNo interventionTwo test sites are chosen on the palms and randomized to treatment or control sides. The control side is untreated.

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Gravimetric Measurements of Changes in Sweat Production

    Subjects will be asked to exercise using a stationary bike until sweating is observable. After drying the surface, a pre-weighted filter paper under occlusive dressing (Tegaderm) is applied to the test site for a period of five minutes, measured by a stopwatch. After five minutes, the Tegaderm and absorptive pad are removed. The absorptive pad and Tegaderm are weighed before and after sweating, and rate of sweat production is calculated.

    Measured: Assessed at baseline, week 1, week 2, week 4, month 3, and month 6

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted26 Nov 2019
  2. Study start1 Sep 2016
  3. Primary completion1 May 2021
  4. Study completion1 May 2021

Why it stopped: Collaboration with company that made the laser did not proceed.

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase N/A
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Model description
The study involves a single group of patients with Hyperhidrosis. Left and right palms are randomized for treatment versus control (untreated).
Masking
None (open label)
Enrolment
2 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT04178161
Sponsor's protocol ID
2016P001071
Status last verified
Nov 2023
First submitted
17 Sep 2019
Last updated
26 Jun 2026
Data monitoring committee
Yes
Individual data sharing
No

Questions about this trial

What is this clinical trial studying?

A study testing Laser treatment in people with Hyperhidrosis, run by Massachusetts General Hospital at 1 site in United States.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 11 inclusion and 12 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: stopped early, as of the sponsor's last update on 26 Jun 2026. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in United States. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

Yes. Results are posted in the registry (first posted 26 Jun 2026). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Gravimetric Measurements of Changes in Sweat Production (time frame: Assessed at baseline, week 1, week 2, week 4, month 3, and month 6). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 26 Jun 2026.

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