Dapsone Resistance in Leprosy Patients Originally from American Samoa, United States, 2010-2012

Emerg Infect Dis. 2018 Aug;24(8):1584-1585. doi: 10.3201/eid2408.180033.

Abstract

Skin biopsies from US leprosy patients were tested for mutations associated with drug resistance. Dapsone resistance was found in 4 of 6 biopsies from American Samoa patients. No resistance was observed in patients from other origins. The high rate of dapsone resistance in patients from American Samoa warrants further investigation.

Keywords: American Samoa; Mycobacterium leprae; National Hansen’s Disease Programs; United States; antimicrobial resistance; bacteria; dapsone resistance; folP1; leprosy; rifampin; rpoB; tuberculosis and other mycobacteria.

MeSH terms

  • American Samoa
  • Biopsy
  • Clofazimine / therapeutic use
  • Dapsone / therapeutic use*
  • Drug Administration Schedule
  • Drug Resistance, Bacterial / genetics*
  • Genes, Bacterial*
  • Humans
  • Leprostatic Agents / therapeutic use*
  • Leprosy / diagnosis
  • Leprosy / drug therapy*
  • Leprosy / microbiology
  • Microbial Sensitivity Tests
  • Mutation
  • Mycobacterium leprae / classification
  • Mycobacterium leprae / drug effects*
  • Mycobacterium leprae / genetics*
  • Mycobacterium leprae / isolation & purification
  • Rifampin / therapeutic use
  • Skin / drug effects
  • Skin / microbiology

Substances

  • Leprostatic Agents
  • Dapsone
  • Clofazimine
  • Rifampin