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Dose-dependent effect and pharmacokinetics of fexinidazole and its metabolites in a mouse model of human African trypanosomiasis.
Burrell-Saward, Hollie; Harris, Andrew J; de LaFlor, Raul; Sallam, Hatem; Alavijeh, Mo S; Ward, Theresa H; Croft, Simon L.
Afiliación
  • Burrell-Saward H; Department of Immunology and Infection, Faculty of Infectious Tropical Diseases, London School of Hygiene and Tropical Medicine, London, UK.
  • Harris AJ; Pharmidex, Stevenage Bioscience Catalyst, Stevenage, UK.
  • de LaFlor R; Pharmidex, Stevenage Bioscience Catalyst, Stevenage, UK.
  • Sallam H; Department of Immunology and Infection, Faculty of Infectious Tropical Diseases, London School of Hygiene and Tropical Medicine, London, UK.
  • Alavijeh MS; Pharmidex, Stevenage Bioscience Catalyst, Stevenage, UK.
  • Ward TH; Department of Immunology and Infection, Faculty of Infectious Tropical Diseases, London School of Hygiene and Tropical Medicine, London, UK.
  • Croft SL; Department of Immunology and Infection, Faculty of Infectious Tropical Diseases, London School of Hygiene and Tropical Medicine, London, UK. Electronic address: simon.croft@lshtm.ac.uk.
Int J Antimicrob Agents ; 50(2): 203-209, 2017 Aug.
Article en En | MEDLINE | ID: mdl-28552771
Human African trypanosomiasis (HAT) is a neglected tropical disease, with a population of 70 million at risk. Current treatment options are limited. In the search for new therapeutics, the repurposing of the broad-spectrum antiprotozoal drug fexinidazole has completed Phase III trials with the anticipation that it will be the first oral treatment for HAT. This study used the recently validated bioluminescence imaging model to assess the dose and rate of kill effect of fexinidazole in infected mice, and the dose-dependent effect of fexinidazole on trypanosome infection. Pharmacokinetics of fexinidazole in plasma and central nervous system (CNS) compartments were similar in both infected and uninfected mice. Drug distribution within the CNS was further examined by microdialysis, showing similar levels in the cortex and hippocampus. However, high variability in drug distribution and exposure was found between mice.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Trypanosoma / Tripanosomiasis Africana / Nitroimidazoles / Antiprotozoarios Límite: Animals Idioma: En Revista: Int J Antimicrob Agents Año: 2017 Tipo del documento: Article Pais de publicación: Países Bajos

Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Trypanosoma / Tripanosomiasis Africana / Nitroimidazoles / Antiprotozoarios Límite: Animals Idioma: En Revista: Int J Antimicrob Agents Año: 2017 Tipo del documento: Article Pais de publicación: Países Bajos