Actively Recruiting

Phase Not Applicable
Age: 21Years +
FEMALE
ID07240519

Vulvar Lichen Sclerosus: Comparing Inflammatory Markers After Treatment With Clobetasol Ointment or Fractional CO2 Laser in Women Without Prior Corticosteroid Therapy

Led by Universidade Federal do Rio de Janeiro · Updated on 2025-11-26

40

Participants Needed

1

Research Sites

37 weeks

Total Duration

On this page

AI-Summary

What this Trial Is About

Researchers are evaluating treatments for vulvar lichen sclerosus, a chronic inflammatory condition affecting the vulvar skin, mainly in peri- and post-menopausal women. The study compares clobetasol ointment, the standard treatment, to fractional CO2 laser therapy. This condition causes symptoms like itching, pain during intercourse, and vulvar pain, and if untreated, can lead to vulvar distortion and a small risk of cancer. The study aims to understand if the laser treatment can reduce inflammation and symptoms as an alternative to clobetasol. Participants are randomly assigned to one of two treatment groups. One group applies clobetasol propionate 0.05% ointment daily for the first month, every other day in the second month, and twice weekly in the third month. The other group receives three sessions of fractional microablative CO2 laser treatment spaced four weeks apart, with an anesthetic ointment applied before each session. After each laser session, participants follow care instructions such as avoiding sexual intercourse for five days. Participants will have a biopsy at the start and three months after completing treatment to measure inflammatory biomarkers. Researchers will assess symptom changes including itching, pain, vulvar appearance, and satisfaction using questionnaires and visual scales. The study monitors participants from registration through treatment and three months post-treatment to evaluate the effects and safety of both therapies.

CONDITIONS

Brief Title

To Compare Inflammatory Biomarkers Before and After Treatment With Clobetasol or Fractional CO2 Laser, in Women With Histologically Confirmed Vulvar Lichen Sclerosus, Without Prior Corticosteroid Treatment.

Who Can Participate

Age: 21Years +
FEMALE

Eligibility Criteria

Eligible

You may qualify if you...

  • Women aged 21 years or older
  • Histological diagnosis of vulvar lichen sclerosus
  • No prior treatment with topical corticosteroids
Not Eligible

You will not qualify if you...

  • Women who do not agree to participate in the study
  • Presence of other vulvar diseases
  • Premalignant vulvar disease, HPV dependent or independent
  • Previous pelvic radiotherapy

AI-Screening

AI-Powered Screening

Complete this quick 3-step screening to check your eligibility

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Your Study Journey

Screening

Duration - 2 to 4 weeks

Participants are screened for eligibility to participate in the trial.

Treatment

Duration - 3 months

Participants receive treatment with either clobetasol ointment applied to the affected vulvar area or fractional microablative CO2 laser sessions spaced four weeks apart.

3 treatment sessions spaced 4 weeks apart for laser group; daily to twice weekly ointment applications over 3 months for clobetasol group

Follow-up

Duration - 3 months

Participants are monitored for inflammatory biomarkers and treatment effects up to three months after completing treatment.

Visits for assessment up to 3 months post-treatment

Trial Site Locations

Total: 1 location

1

Institute of Gynecology of the Federal University of Rio de Janeiro

Rio de Janeiro, Rio de Janeiro, Brazil, 20211 340

Actively Recruiting

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Research Team

A

Andréa Cytryn, Master Degree

Y

Yara Lúcia M. Furtado de Melo, PhD in Surgical Sciences

How is the study designed?

Study Type

INTERVENTIONAL

Masking

NONE

Allocation

RANDOMIZED

Model

PARALLEL

Primary Purpose

TREATMENT

Number of Arms

2

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Published Research Related To This Trial

The clinical role of LASER for vulvar and vaginal treatments in gynecology and female urology: An ICS/ISSVD best practice consensus document.

Mario Preti, Pedro Vieira-Baptista, Giuseppe Alessandro Digesu...

https://pubmed.ncbi.nlm.nih.gov/30742321

Clobetasol Compared With Fractionated Carbon Dioxide Laser for Lichen Sclerosus: A Randomized Controlled Trial.

Linda S Burkett, Moiuri Siddique, Alexander Zeymo...

https://pubmed.ncbi.nlm.nih.gov/33957642

Effects of Fractional CO2 Laser Treatment on Patients Affected by Vulvar Lichen Sclerosus: A Prospective Study.

Maurizio Filippini, Jessica Sozzi, Miriam Farinelli...

https://pubmed.ncbi.nlm.nih.gov/34878932