Testing a niacinamide cosmetic product for treating irritant contact dermatitis

Randomized Controlled Trial of Niacinamide Cosmetic Product Efficacy in Model of Irritant Contact Dermatitis

Not applicable Interventional University of Split, School of Medicine · NCT06331390

This study is testing if a niacinamide cream can help treat irritant contact dermatitis by comparing it to a placebo in healthy volunteers.

Quick facts

PhaseNot applicable
Study typeInterventional
Enrollment25 (estimated)
Ages18 Years to 50 Years
SexAll
SponsorUniversity of Split, School of Medicine Academic / other
Drugs / interventionsradiation
Locations1 site (Split)
Trial IDNCT06331390 on ClinicalTrials.gov

What this trial studies

This study evaluates the effectiveness and safety of a niacinamide cosmetic product in treating irritant contact dermatitis. Healthy volunteers will participate in a randomized, controlled trial where sodium lauryl sulfate is used to induce dermatitis on their forearms. The efficacy will be measured over a period of 7 days using specialized devices to assess hydration, redness, and transepidermal water loss. Participants will be divided into groups receiving either the niacinamide product or a placebo.

Who should consider this trial

Good fit: Ideal candidates for this study are young, healthy volunteers without any skin diseases or damage.

Not a fit: Patients with existing skin diseases, recent use of corticosteroids or immunomodulators, or those who are pregnant or lactating may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could provide a new topical treatment option for individuals suffering from irritant contact dermatitis.

How similar studies have performed: While there have been studies on the effects of niacinamide in skincare, this specific approach to irritant contact dermatitis is relatively novel.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* young, healthy volunteers who gave written informed consent

Exclusion Criteria:

* skin disease, skin damage on measurement sites, use of corticosteroids and immunomodulators a month prior to the inclusion and during the trial, non-adherence to the trial protocol, exposure to artificial UV radiation, pregnancy and lactation

Where this trial is running

Split

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Contact Dermatitis
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.