Hair-to-Hair Trichoscopy: An Objective Method to Assess Effectiveness of Botulinum Toxin in a Clinical Trial for Androgenetic Alopecia.

Journal: Skin appendage disorders
Published Date: Sep 21, 2023

Abstract

INTRODUCTION: Androgenetic alopecia (AGA) is the most common alopecia affecting both genders leading to a potential decrease in quality of life and self-esteem. A current concern in trichology is how to accurately measure clinical response in both daily medical practice and academic research. Hair-to-hair (H2H)-matching technology™ has recently emerged as a technique to evaluate variations in follicular units, hair shaft number, and thickness. This study aimed to describe the methodology employed in a clinical trial using this technology to test the efficacy of botulinum toxin (BT) for male AGA.

Authors

  • Daniel Fernandes Melo
    Dermatology Department, Rio de Janeiro State University (UERJ), Rio de Janeiro, Brazil.
  • André Luiz Vairo Donda
    Dermatology Department, Rio de Janeiro State University (UERJ), Rio de Janeiro, Brazil.
  • Rita Fernanda Cortez de Almeida
    Dermatology Department, Rio de Janeiro State University (UERJ), Rio de Janeiro, Brazil.
  • Daniela Alves Pereira Antelo
    Dermatology Department, Rio de Janeiro State University (UERJ), Rio de Janeiro, Brazil.
  • Paulo Muller-Ramos
    Dermatology Department, São Paulo State University (UNESP), Botucatu, Brazil.
  • Carla Jorge Machado
    Preventive and Social Medicine Department, Federal University of Minas Gerais (UFMG), Belo Horizonte, Brazil.
  • Sidney Frattini
    The Mole Clinic, Private Practice, Ancaster, ON, Canada.
  • Antonella Tosti
    Phillip Frost Department of Dermatology and Cutaneous Surgery, University of Miami School of Medicine, Miami, FL, USA.
  • Carlos Baptista Barcaui
    Dermatology Department, Rio de Janeiro State University (UERJ), Rio de Janeiro, Brazil.

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