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Chen, C.L. et al.

Efficacy of a motilin receptor agonist (ABT-229) for the treatment of gastro-oesophageal reflux disease.

BACKGROUND: ABT-229 is a potent motilin agonist without significant antibiotic activity. It has been shown to improve gastric emptying in humans and to increase lower oesophageal sphincter pressure in cats. AIM: To assess the efficacy of four different doses of ABT-229 (1.25 mg, 2.5 mg, 5 mg, 10 mg b.d.) compared to placebo in the treatment of gastro-oesophageal reflux disease, and to determine its safety in patients with gastro-oesophageal reflux disease. METHODS: In a double-blind, multicentre study, 324 patients with heartburn were randomized to receive four different doses of ABT-229 or placebo for 8 weeks. The efficacy was evaluated by Patient Symptom Questionnaire, daily diary, endoscopy and global evaluation of efficacy. RESULTS: There were no statistically significant improvement scores for any of the ABT-229 treatment groups vs. the placebo group in any of the efficacy parameters. Reflux symptom scores were significantly worse after treatment in the dyspeptic group. ABT-229 appeared to be well tolerated and safe in total daily doses up to 20 mg. CONCLUSION: ABT-229 appears to have limited, if any, clinical utility in the treatment of gastro-oesophageal reflux disease.[1]

References

Efficacy of a motilin receptor agonist (ABT-229) for the treatment of gastro-oesophageal reflux disease. Chen, C.L., Orr, W.C., Verlinden, M.H., Dettmer, A., Brinkhoff, H., Riff, D., Schwartz, S., Soloway, R.D., Krause, R., Lanza, F., Mack, R.J. Aliment. Pharmacol. Ther. (2002) [Pubmed]

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