Gefapixant: First Approval
Funding The preparation of this review was not supported by any external funding.
Authorship and 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 authors on the basis of scientific completeness and accuracy. A. Markham is a salaried employee of Adis International Ltd/Springer Nature, and declares no relevant conflicts of interest. All authors contributed to the review and are responsible for the article content.
Ethics approval, Consent to participate, Consent to publish, Availability of data and material, Code availability Not applicable.
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Gefapixant (Lyfnua®; Merck & Co.) is a first-in-class, non-narcotic, selective P2X3 receptor antagonist being developed for the treatment of refractory chronic cough or unexplained chronic cough. Marketing approval for gefapixant is being sought in the EU and USA, and the drug was recently approved for marketing in Japan as treatment for refractory or unexplained chronic cough. This article summarizes the milestones in the development of gefapixant leading to this first approval.
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