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Tenapanor: First Approval

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posted on 2019-11-03, 19:32 authored by Anthony Markham

Compliance with Ethical Standards

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 authors on the basis of scientific completeness and accuracy. A. Markham, a contracted employee of Adis International Ltd/Springer Nature, is responsible for the article content and declares no relevant conflicts of interest.

Additional information about this Adis Drug Review can be found here


The selective sodium hydrogen exchanger 3 (NHE3) inhibitor tenapanor is being developed by Ardelyx Inc. for the treatment of constipation-predominant irritable bowel syndrome (IBS-C) [under the tradename IBSRELA®] and for hyperphosphataemia in patients with chronic kidney disease (CKD) on dialysis or with end stage renal disease (ESRD). Based on positive results from the phase III T3MPO trial program, tenapanor was recently approved in the USA for the treatment of IBS-C in adults. This article summarises the milestones in the development of tenapanor leading to this first approval.

© Springer Nature Switzerland AG 2019