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. Author manuscript; available in PMC: 2013 Apr 1.
Published in final edited form as: J Pediatr Gastroenterol Nutr. 2012 Apr;54(4):446–453. doi: 10.1097/MPG.0b013e31823d34c3

Table 2.

Medications in Development for Treatment of Lower Functional Gastrointestinal Disorders

New generation serotonergic agents
 For IBS-D: ramosetron, LX-1031
 For IBS-C: new generation 5-HT4 agonists
Secretagogues: guanylate cyclase C agonists: linaclotide, plecanatide
Bile acid modulation: IBAT inhibitor, A3309
Peripheral analgesic: asimadoline, pregabalin, GLP1
Central visceral analgesic: NMDA antagonist
Anti-inflammatory: 5-ASA, mast cell stabilizers