Tenapanor in Synucleinopathy-Related Constipation

Summary

Investigation of tenapanor as a potential treatment for synucleinopathy-associated constipation

Timeline

Start

2025-01-01

Primary completion

2026-12

Completion

2027-03

Publications

• Background Manfready RA, Engen PA, Verhagen Metman L, Sanzo G, Goetz CG, Hall DA, Forsyth CB, Raeisi S, Voigt RM, Keshavarzian A. Attenuated Postprandial GLP-1 Response in Parkinson's Disease. Front Neurosci. 2021 Jul 2;15:660942. doi: 10.3389/fnins.2021.660942. eCollection 2021.
• Background Manfready RA, Forsyth CB, Voigt RM, Hall DA, Goetz CG, Keshavarzian A. Gut-Brain Communication in Parkinson's Disease: Enteroendocrine Regulation by GLP-1. Curr Neurol Neurosci Rep. 2022 Jul;22(7):335-342. doi: 10.1007/s11910-022-01196-5. Epub 2022 May 28.
• Background Post Z, Manfready RA, Keshavarzian A. Overview of the Gut-Brain Axis: From Gut to Brain and Back Again. Semin Neurol. 2023 Aug;43(4):506-517. doi: 10.1055/s-0043-1771464. Epub 2023 Aug 10.
• Background Hall DA, Voigt RM, Cantu-Jungles TM, Hamaker B, Engen PA, Shaikh M, Raeisi S, Green SJ, Naqib A, Forsyth CB, Chen T, Manfready R, Ouyang B, Rasmussen HE, Sedghi S, Goetz CG, Keshavarzian A. An open label, non-randomized study assessing a prebiotic fiber intervention in a small cohort of Parkinson's disease participants. Nat Commun. 2023 Feb 18;14(1):926. doi: 10.1038/s41467-023-36497-x.
• Background Chey WD, Lembo AJ, Rosenbaum DP. Tenapanor Treatment of Patients With Constipation-Predominant Irritable Bowel Syndrome: A Phase 2, Randomized, Placebo-Controlled Efficacy and Safety Trial. Am J Gastroenterol. 2017 May;112(5):763-774. doi: 10.1038/ajg.2017.41. Epub 2017 Feb 28.
• Background Chey WD, Lembo AJ, Yang Y, Rosenbaum DP. Efficacy of Tenapanor in Treating Patients With Irritable Bowel Syndrome With Constipation: A 26-Week, Placebo-Controlled Phase 3 Trial (T3MPO-2). Am J Gastroenterol. 2021 Jun 1;116(6):1294-1303. doi: 10.14309/ajg.0000000000001056.
• Background Chey WD, Lembo AJ, Rosenbaum DP. Efficacy of Tenapanor in Treating Patients With Irritable Bowel Syndrome With Constipation: A 12-Week, Placebo-Controlled Phase 3 Trial (T3MPO-1). Am J Gastroenterol. 2020 Feb;115(2):281-293. doi: 10.14309/ajg.0000000000000516.

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