Elobixibat for the treatment of constipation

Banny S. Wong, Michael Camilleri

Research output: Contribution to journalArticlepeer-review

26 Scopus citations


Introduction: Elobixibat (formerly A3309) is a first-in-class ileal bile acid transporter (IBAT) inhibitor for treatment of chronic idiopathic constipation (CIC; syn functional constipation). CIC affects up to 25% of the general population; and up to a half are unsatisfied with current therapies. There is an unmet need for safe and effective drugs to treat CIC. Areas covered: The authors present: i) an overview of Phase II clinical trials of elobixibat in CIC, based on peer-reviewed literature and congress presentations and ii) an evaluation of the efficacy and mechanism of action of elobixibat in the treatment of CIC. Expert opinion: Elobixibat provides a novel approach to treat chronic constipation via IBAT inhibition with enhanced delivery of bile acids to the colon. Pharmacodynamic studies show that it accelerates colonic transit, increases stool frequency, loosens stool consistency and relieves constipation-related symptoms in CIC patients. These beneficial effects are maintained for a minimum of 8 consecutive weeks of treatment. With minimal absorption and low systemic bioavailability, elobixibat is generally well tolerated and may offer the added benefit of improving serum lipid profiles through bile acid depletion.

Original languageEnglish (US)
Pages (from-to)277-284
Number of pages8
JournalExpert Opinion on Investigational Drugs
Issue number2
StatePublished - Feb 1 2013


  • Bile salt
  • Constipation
  • Gastrointestinal motility
  • Intestinal secretion

ASJC Scopus subject areas

  • Pharmacology
  • Pharmacology (medical)


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