LASER treatment in gynaecology -A randomized controlled trial in women with symptomatic lichen sclerosus.
Elke Krause, Stephanie Neumann, Marina Maier...
https://pubmed.ncbi.nlm.nih.gov/37352640Actively Recruiting
Led by Universidade Federal do Rio de Janeiro · Updated on 2025-11-26
40
Participants Needed
1
Research Sites
37 weeks
Total Duration
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
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.
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Duration - 2 to 4 weeks
Participants are screened for eligibility to participate in the trial.
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
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
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
A
Andréa Cytryn, Master Degree
Y
Yara Lúcia M. Furtado de Melo, PhD in Surgical Sciences
Study Type
INTERVENTIONAL
Masking
NONE
Allocation
RANDOMIZED
Model
PARALLEL
Primary Purpose
TREATMENT
Number of Arms
2
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