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Domperidone versus cisapride in the treatment of infant regurgitation and increased acid gastro-oesophageal reflux: a pilot study

Authors


Correspondence
Prof. Y. Vandenplas, M.D., Ph.D., UZ Brussel Kinderen, Laarbeeklaan 101, 1090 Brussels, Belgium.
Tel: +32-2-477-57-80 |
Fax: +32-2-477-57-83 |
Email: yvan.vandenplas@uzbrussel.be

Abstract

Aim: Although domperidone is used frequently to treat infant regurgitation, efficacy data are scarce. Cisapride was previously used in the same indication.

Methods: Domperidone and cisapride were compared in an investigator-blinded, prospective comparative trial by evaluating (a) the frequency of regurgitation, (b) acid reflux and (c) cardiac side effects in infants regurgitating >4 times/day since >2 weeks and with reflux-associated symptoms of discomfort, after conservative treatment failure.

Results: Within the first treatment week, the frequency of regurgitation decreased in both groups, more rapidly in the cisapride group: the median regurgitation decreased from 6.22 to 3.50 in the cisapride group versus from 4.80 to 3.70 in the domperidone group. The decrease in regurgitation was still significant after 1 month: cisapride from 6.22 to 1.55 versus domperidone from 4.80 to 1.25. However, the natural decrease in the incidence of regurgitation induced by age should also be considered. The median reflux index decreased after 1 month in the cisapride group from 3.60 to 1.75 versus from 2.70 to 2.45 in the domperidone group. One child treated with cisapride developed a significant QT prolongation.

Conclusion: The decrease in regurgitation was comparable in both groups, although acid reflux decreased more in the cisapride group. Cisapride induced QT prolongation in one infant.

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