Arena Pharmaceuticals, Inc.
COMPOUNDS AND METHODS FOR TREATMENT OF PRIMARY BILIARY CHOLANGITIS

Abstract:

The present invention relates to, inter alia, methods of treatment and combinations of (R)-2-(7-(4-cyclopentyl-3-(tri-fluoromethyl)benzyloxy)-1,2,3,4-tetrahydro- cyclopenta[b]indol-3-yl)acetic acid (Compound 1) useful for the treatment of primary biliary cholangitis (PBC). In some embodiments, the methods further comprise administering Compound 1, or a pharmaceutically salt, solvate, or hydrate thereof, in combination with a compound selected from the group consisting of: an antihistamine (diphenhydramine), cholestyramine (questran, prevalite), rifampin, an opioid antagonist (naloxone), pilocarpine (isopto carpine, salagen), cevimeline (evoxac), calcium and/or vitamin D supplement, and vitamin A, D, E and/or K supplement. Other embodiments, relate to titration packages for enabling compliance with a regimen of changing dosage of a medication over a period of time for the treatment of primary biliary cholangitis (PBC).