Tenapanor
Overview
Tenapanor is a small molecule medication used to treat conditions such as irritable bowel syndrome with constipation and hyperphosphatemia in patients with kidney disease. It works by inhibiting the absorption of sodium in the intestines, thereby managing phosphate levels and promoting bowel movements.
Patent & exclusivity (US)
Per the FDA Orange Book (3 approved US products), the latest listed US patent on Tenapanor expires 26 Nov 2042 and exclusivity 17 Oct 2026. Generic API sourcing typically opens up once these lapse.
Therapeutic areas
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