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Fexinidazole: First Global Approval

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Abstract

Fexinidazole Winthrop (hereafter referred to as fexinidazole) is a DNA synthesis inhibitor developed by the Drugs for Neglected Diseases initiative (DNDi), in collaboration with Sanofi, for the oral treatment of human African trypanosomiasis (HAT) [commonly known as ‘sleeping sickness’] and Chagas’ disease. The drug is a 5-nitroimidazole derivative first discovered by Hoechst AG (now part of Sanofi) and was identified by the DNDi in 2005 as having activity againstTrypanosoma brucei gambiense andT. b. rhodesiense. Under Article 58 of Regulation (EC) no. 726/2004 (a regulatory mechanism for reviewing new medicines destined for use outside of the EU), fexinidazole has been granted a positive opinion by the EMA for the treatment of both the first-stage (haemo-lymphatic) and second-stage (meningo-encephalitic) of HAT due toT. b. gambiense (g-HAT) in adults and children aged ≥ 6 years and weighing ≥ 20 kg. This approval will facilitate and support marketing authorization application in endemic countries in 2019; following registration, fexinidazole will be distributed via the WHO to endemic countries for g-HAT. Phase 3 evaluation of fexinidazole for g-HAT is ongoing in the Democratic Republic of the Congo and Guinea and the drug is also in development for Chagas’ disease, with a study currently ongoing in Spain. Clinical development for visceral leishmaniasis is discontinued. This article summarizes the milestones in the development of fexinidazole leading to this first approval for g-HAT.

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Authors and Affiliations

  1. Springer, Private Bag 65901, Mairangi Bay, 0754, Auckland, New Zealand

    Emma D. Deeks

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  1. Emma D. Deeks

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Correspondence toEmma D. Deeks.

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Funding

The preparation of this review was not supported by any external funding.

Conflict of interest

During the peer review process the manufacturer of the agent under review was offered an opportunity to comment on the article. Changes resulting from any comments received were made by the author on the basis of scientific completeness and accuracy. Emma Deeks is a salaried employee of Adis/Springer, is responsible for the article content and declares no relevant conflicts of interest.

Additional information

This profile has been extracted and modified from theAdisInsight database.AdisInsight tracks drug development worldwide through the entire development process, from discovery, through pre-clinical and clinical studies to market launch and beyond.

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