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An arm-based network meta-analysis on treatments for vulvar lichen sclerosus and a call for development of core

Vasilios Pergialiotis1, Ioannis Bellos2, Eirini-Chrysovalantou Biliou2

  • 1Laboratory of Experimental Surgery and Surgical Research N.S Christeas, National and Kapodistrian University of Athens, Athens, Greece; Third Department of Obstetrics and Gynecology, Attikon Hospital, National and Kapodistrian University of Athens, Athens, Greece.

American Journal of Obstetrics and Gynecology
|November 8, 2019
PubMed
Abstract

Insights

Clobetasol showed the highest probability for vulvar lichen sclerosus remission, though evidence for potent steroids over calcineurin inhibitors remains limited. Further research is needed due to treatment heterogeneity.

Area of Science:

  • Dermatology
  • Gynecology
  • Pharmacology

Background:

  • Vulvar lichen sclerosus (VLS) is a chronic inflammatory condition with limited treatment options.
  • Current treatments for VLS lack robust comparative effectiveness data.

Purpose of the Study:

  • To systematically review and compare medical treatments for VLS using an arm-based network meta-analysis.
  • To identify the most effective treatments for VLS remission and relapse prevention.

Main Methods:

  • A systematic search of multiple databases (Medline, Scopus, CENTRAL, ClinicalTrials.gov, Google Scholar) was conducted.
  • Included studies were observational, randomized, and single-arm trials evaluating medical treatments for VLS.
  • A Bayesian network meta-analysis was performed using R software.

Main Results:

  • Sixteen studies involving 954 women with VLS were analyzed.
  • Clobetasol demonstrated the highest probability (40%) for VLS remission, closely followed by tacrolimus (38%).
  • Pimecrolimus showed the lowest relapse probability (15%), but with significant overlap with other treatments like mometasone furoate, testosterone, and clobetasol.

Conclusions:

  • Current evidence does not strongly support the superiority of potent steroids over calcineurin inhibitors for VLS.
  • Significant heterogeneity in study populations, treatment regimens, and outcome measures limits definitive conclusions.
  • Further high-quality research is required to establish optimal VLS treatment strategies.
Keywords:
clobetasollichen sclerosusmeta-analysisnetworktacrolimusvulvar

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