Clinical trial Recruiting at 17 sites Phase 3 Interventional Ages 13 to 30

Comparing Isotretinoin to Standard Care for Moderate Acne in Skin of Color

Official title: Randomized Clinical Trial to Compare Oral Isotretinoin to Standard of Care in Moderate Acne Skin of Color Patients: ETHNIC Study

Run by Centre Hospitalier Universitaire de Nice · NCT06447480 · Data updated 2026-11-12

This study is testing whether the acne medication isotretinoin works better than standard treatments for young people with moderate acne and skin of color.

More Acne Vulgaris trials

Quick facts

PhasePhase 3
Study typeInterventional
Ages13 Years to 30 Years
SexAll
Enrollment420 (estimated)
SponsorCentre Hospitalier Universitaire de Nice
Academic / other
Locations19 sites (Nice, Alpes-Maritimes and 18 other locations)
StatusRecruiting
StartedApril 29, 2025
Main results expectedSeptember 1, 2027
Study endsSeptember 1, 2028
Registry record updatedOctober 1, 2026
Trial IDNCT06447480 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates for this study are individuals aged 13 to 30 with Fitzpatrick skin types IV to VI and moderate acne.

Probably not a fit

Patients with mild or severe acne, or those with skin types I to III, will not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This clinical trial aims to evaluate the effectiveness of oral isotretinoin compared to standard care in treating moderate acne in patients with skin types IV to VI, which are often underrepresented in clinical research. The study focuses on individuals aged 13 to 30 who experience moderate acne, characterized by specific lesions and associated pigmentation issues. Participants will receive isotretinoin and topical treatments while their progress will be monitored through selfies taken with their cell phones. The trial seeks to address the unique challenges faced by patients of color in managing acne and its effects on quality of life.

Why it matters

Potential benefit: If successful, this study could provide a more effective treatment option for moderate acne in patients with darker skin types, improving their quality of life.

How similar studies have gone: While there is limited research specifically targeting this demographic, the approach of using isotretinoin for acne treatment has shown success in other populations, making this study a potentially valuable addition to existing knowledge.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Women and men between 13 and 30-year-old
* Skin type IV, V and VI according to Fitzpatrick skin types
* Moderate acne as defined by the French Society of Dermatology recommendations based on ECLA grading https://document.sfdermato.org/groupe/centre-de-preuves/label-recommandations-acne-post-college.pdf)
* Patients must have a cell phone able to take selfies pictures with a minimum definition of 5Mb.
* Signed informed consent
* Affiliation to French social coverage.

Exclusion Criteria:

* Mild and severe acne (ECLA grading : French recommendations) (https://document.sfdermato.org/groupe/centre-de-preuves/label-recommandations-acne-post-college.pdf)
* Past cure of oral isotretinoin
* Past cure of systemic antibiotics for acne in the last 6 months
* Phototype I-III patients
* Abnormal hemogram, liver enzyme, cholesterol, triglycerides at baseline
* Pregnancy: female patient of childbearing potential will undergo a pregnancy test (plasmatic β-hCG)
* Breast-feeding patients
* Refusal of effective contraception for women
* Contra-indications to oral isotretinoin, doxycycline, lymecycline, topical adapalene/tretinoin
* Vulnerable people: adult under guardianship or deprived of freedom

Where it's running

  • CHU de Nice - Hôpital de l'Archet
    Nice, Alpes-Maritimes, France
    Recruiting
  • CHU de Bordeaux
    Bordeaux, Aquitaine, France
    Recruiting
  • CHU de Nantes
    Nantes, Loire-Atlantique, France
    Recruiting
  • chu de Rouen
    Rouen, Seine-maritime, France
    Recruiting
  • Cabinet de dermatologie St Maxime
    Sainte-Maxime, Var, France
    Recruiting
  • CH D'argenteuil
    Argenteuil, France
    Recruiting
Show 13 more locations
  • Cabinet Dermatologique Brest 1
    Brest, France
    Recruiting
  • Cabinet Dermatologique Brest 2
    Brest, France
    Recruiting
  • Cabinet dermatologique gradignan
    Gradignan, France
    Recruiting
  • CHU de la réunion
    La Réunion, France
    Recruiting
  • Ambroise paré
    Paris, France
    Recruiting
  • Cabinet dermatologique
    Paris, France
    Recruiting
  • CH Avicenne - APHP
    Paris, France
    Recruiting
  • CHU de Poitiers
    Poitiers, France
    Recruiting
  • Aphp
    Paris, Île-de-France Region, France
    Recruiting
  • CH de Cayenne 3 Avenue Alexis Blaise, BP6006
    Cayenne, French Guiana
    Recruiting
  • Cabinet de dermatologie DERMACLINIC 972
    Fort-de France, French Guiana
    Recruiting
  • Cabinet dermatologique Cenon
    Cenon, France
    Not yet recruiting
  • Cabinet dermatologique privé
    Paris, France
    Not yet recruiting

Study contacts

  • Principal investigator: Thierry Passeron, PhD — CHU de Nice, Service de Dermatologie
  • Study coordinator: Thierry Passeron, PhD
  • Email: passeron.t@chu-nice.fr
  • Phone: +33492036488

Similar studies

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How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 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.