Claims for Patent: 8,541,448

Summary for Patent: 8,541,448

Title:	Compounds and methods for inhibiting NHE-mediated antiport in the treatment of disorders associated with fluid retention or salt overload and gastrointestinal tract disorders
Abstract:	The present disclosure is directed to compounds and methods for the treatment of disorders associated with fluid retention or salt overload, such as heart failure (in particular, congestive heart failure), chronic kidney disease, end-stage renal disease, liver disease, and peroxisome proliferator-activated receptor (PPAR) gamma agonist-induced fluid retention. The present disclosure is also directed to compounds and methods for the treatment of hypertension. The present disclosure is also directed to compounds and methods for the treatment of gastrointestinal tract disorders, including the treatment or reduction of pain associated with gastrointestinal tract disorders.
Inventor(s):	Charmot; Dominique (Campbell, CA), Jacobs; Jeffrey W. (San Mateo, CA), Leadbetter; Michael Robert (San Leandro, CA), Navre; Marc (Belmont, CA), Carreras; Christopher (Belmont, CA), Bell; Noah (Berkeley, CA)
Assignee:	Ardelyx, Inc. (Fremont, CA)
Application Number:	13/172,394
Patent Claims:	1. A compound or a pharmaceutically acceptable salt thereof, wherein the compound has the structure: ##STR00452## 2. The compound of claim 1. 3. A pharmaceutically acceptable salt of the compound of claim 1. 4. The pharmaceutically acceptable salt of claim 3, wherein the pharmaceutically acceptable salt is: ##STR00453## 5. A pharmaceutical composition, wherein the composition comprises: a compound or a pharmaceutically acceptable salt thereof, wherein the compound corresponds to the structure: ##STR00454## and a pharmaceutically acceptable carrier, diluent or excipient. 6. The pharmaceutical composition of claim 5, wherein the pharmaceutically acceptable salt is: ##STR00455##