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Flubendazole as a macrofilaricide: History and background

2019; Public Library of Science; Volume: 13; Issue: 1 Linguagem: Inglês

10.1371/journal.pntd.0006436

1935-2735

Timothy G. Geary, Charles D. Mackenzie, Steven A. Silber,

Insects and Parasite Interactions

Benzimidazole anthelmintics have long been employed for the control of soil-transmitted helminth infections. Flubendazole (FBZ) was approved in 1980 for the treatment of gastrointestinal nematode infections in both veterinary and human medicine. It has also long been known that parenteral administration of FBZ can lead to high macrofilaricidal efficacy in a variety of preclinical models and in humans. As part of an effort to stimulate the discovery and development of new macrofilaricides, particularly for onchocerciasis, research has recently been devoted to the development of new formulations that would afford high oral bioavailability of FBZ, paving the way for potential clinical development of this repurposed drug for the treatment of human filariases. This review summarizes the background information that led to this program and summarizes some of the lessons learned from it.