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Benefit–Risk Assessment of Plecanatide in the Treatment of Chronic Idiopathic Constipation

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Abstract

Plecanatide, a uroguanylin analog, activates the guanylate cyclase C receptors in the epithelial lining of the gastrointestinal tract in a pH-dependent fashion initiating (1) the conversion of intracellular guanosine triphosphate to cyclic guanosine monophosphate, which increases the activity of the cystic fibrosis transmembrane conductance regulator to increase chloride and bicarbonate secretion into the intestinal lumen and (2) a decrease in activity of the sodium-hydrogen ion exchanger. The resulting ionic shifts cause an increase in lumenal fluid to facilitate digestion. Plecanatide has been approved by the FDA for use in chronic idiopathic constipation (CIC) and irritable bowel syndrome with constipation. This manuscript is a critical assessment of the therapeutic efficacy and potential risks associated with the use of plecanatide in CIC. The discussion of CIC as a clinical and investigative disorder focuses on the importance of this problem as well and the difficulties involved in clinical management and scholarly investigation of a symptom arising from multiple pathophysiologic mechanisms. Clinical data from studies of recently approved drugs for CIC are utilized to construct a platform for thoughtful understanding of CIC and of how changes in investigation guidelines influence the interpretation of study data and guide symptom management. Plecanatide is a safe and effective medication for the management of adults with CIC.

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Authors and Affiliations

  1. Oklahoma Foundation for Digestive Research, 1813 Coventry Lane, Oklahoma City, OK, 73120, USA

    Philip B. Miner Jr.

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  1. Philip B. Miner Jr.
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Correspondence to Philip B. Miner Jr..

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Philip B. Miner Jr has no competing interests.

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All studies conducted and referenced in this manuscript adhered to the most rigorous guidelines for informed consent and protocol development in order to obtain and maintain IRB oversight.

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Miner, P.B. Benefit–Risk Assessment of Plecanatide in the Treatment of Chronic Idiopathic Constipation. Drug Saf 42, 603–615 (2019). https://doi.org/10.1007/s40264-018-0781-9

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  • DOI: https://doi.org/10.1007/s40264-018-0781-9

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