AWZ1066S, a highly specific anti- drug candidate for a short-course treatment of filariasis.

W. David Hong, Farid Benayoud, Gemma L. Nixon, Louise Ford, Kelly Johnston, Rachel Clare, Andrew Cassidy, Darren A.N. Cook, Amy Siu, Motohiro Shiotani, Peter J.H. Webborn, Stefan Kavanagh, Ghaith Aljayyoussi, Emma Murphy, Andrew Steven, John Archer, Dominique Struever, Stefan J. Frohberger, Alexandra Ehrens, Marc P. HübnerAchim Hoerauf, Adam Roberts, Alasdair Hubbard, Edward W. Tate, Remigiusz A. Serwa, Suet C. Leung, Li Qie, Neil G. Berry, Fabian Gusovsky, Janet Hemingway, Joseph Turner, Mark Taylor, Steve Ward, Paul M. O’Neill

Research output: Contribution to journalArticlepeer-review

57 Citations (Scopus)

Abstract

Onchocerciasis and lymphatic filariasis are two neglected tropical diseases that together affect ∼157 million people and inflict severe disability. Both diseases are caused by parasitic filarial nematodes with elimination efforts constrained by the lack of a safe drug that can kill the adult filaria (macrofilaricide). Previous proof-of-concept human trials have demonstrated that depleting >90% of the essential nematode endosymbiont bacterium, , using antibiotics, can lead to permanent sterilization of adult female parasites and a safe macrofilaricidal outcome. AWZ1066S is a highly specific anti- candidate selected through a lead optimization program focused on balancing efficacy, safety and drug metabolism/pharmacokinetic (DMPK) features of a thienopyrimidine/quinazoline scaffold derived from phenotypic screening. AWZ1066S shows superior efficacy to existing anti- therapies in validated preclinical models of infection and has DMPK characteristics that are compatible with a short therapeutic regimen of 7 days or less. This candidate molecule is well-positioned for onward development and has the potential to make a significant impact on communities affected by filariasis.

Original languageEnglish
Pages (from-to)1414-1419
Number of pages6
JournalProceedings of the National Academy of Sciences of the United States of America
Volume116
Issue number4
Early online date7 Jan 2019
DOIs
Publication statusPublished - 22 Jan 2019

Keywords

  • Anti-Wolbachia
  • Drug discovery
  • Lymphatic filariasis
  • Macrofilaricide
  • Onchocerciasis

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