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Macrofilaricidal effects of chloroquine on adult Onchocerca volvulus by local infiltration of palpable onchocercal nodules
Guderian, R. H; Anselmi, M; Cooper, P. J; Chico, M. E.
  • Guderian, R. H; Hospital Vozandes. Department of Clinical Investigation. Quito. EC
  • Anselmi, M; Hospital Vozandes. Department of Clinical Investigation. Quito. EC
  • Cooper, P. J; Hospital Vozandes. Department of Clinical Investigation. Quito. EC
  • Chico, M. E; Hospital Vozandes. Department of Clinical Investigation. Quito. EC
Rev. Soc. Bras. Med. Trop ; 30(6): 469-473, nov.-dez. 1997. ilus, tab
Article in English | LILACS | ID: lil-464135
RESUMO
O efeito macrofilaricida da infiltração local, com uma alta concentração de cloroquina, dentro da cápsula do nódulo oncocercótico sobre o verme adulto de Onchocerca volvulus foi determinado. Seis semanas depois da infiltração, estudos histopatológicos de nódulos simple demonstraram todos os vermes adultos mortos. Em conglomerados de nódulos a ação da cloroquina foi só sobre os vermes adultos do nódulo infiltrado, não acontecendo a difusão da droga aos nódulos adjacentes. A infiltração de cloroquina a nódulos novos ou de recente formação reduz a carga de vermes adultos dos indivíduos parasitados e pode ser uma alternativa para os altos custos das nodulectomias.
ABSTRACT
The macrofilaricidal effects of local infiltration of high concentrations of chloroquine into the capsule of onchocercal nodules on adult worms of Onchocerca volvulus was determined. Six weeks post infiltration, histological examination of single nodules showed all adult worms to be dead. With nodule conglomerates, there was localized action of chloroquine only on the adult worms in the infiltrated nodule, with no diffusion of the drug to adjacent nodules. Chloroquine infiltration of young, recently formed nodules to reduce the adult worm load of infected individuals may be an alternative method to costly nodulectomy.
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Full text: Available Index: LILACS (Americas) Main subject: Onchocerciasis / Chloroquine / Onchocerca volvulus / Filaricides Limits: Animals / Humans / Male Country/Region as subject: South America / Ecuador Language: English Journal: Rev. Soc. Bras. Med. Trop Journal subject: Tropical Medicine Year: 1997 Type: Article Affiliation country: Ecuador Institution/Affiliation country: Hospital Vozandes/EC

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Full text: Available Index: LILACS (Americas) Main subject: Onchocerciasis / Chloroquine / Onchocerca volvulus / Filaricides Limits: Animals / Humans / Male Country/Region as subject: South America / Ecuador Language: English Journal: Rev. Soc. Bras. Med. Trop Journal subject: Tropical Medicine Year: 1997 Type: Article Affiliation country: Ecuador Institution/Affiliation country: Hospital Vozandes/EC