Authors: Faaij¹; Van Gerven,¹; Jolivet-Landreau²; Masclee³; Vendrig¹; Schoemaker¹; Jacobs⁴; Cohen¹

Source: Alimentary Pharmacology & Therapeutics, Volume 13, Number 12, December 1999 , pp. 1605-1610(6)

Publisher: Wiley-Blackwell

Abstract:

Aim: 

To compare the onset of action of the local antacid Maalox and the systemic H₂-antagonist ranitidine, during `on demand' ambulant treatment of a single heartburn episode, using a randomized, parallel group, double-blind, double-dummy design. Methods: 

Subjects with self-perceived heartburn without known gastrointestinal disease or interfering treatments were selected with questionnaires. The study was performed unsupervised, whenever heartburn required medication. An electronic patient diary gave instructions when to take study medication, and provided visual analogue scales and five-item relief ratings for heartburn, at frequent time intervals activated by an alarm-clock. Results: 

After a study of the natural history of heartburn and the feasibility of the study procedures in 23 patients, 49 subjects took Maalox and 45 ranitidine. Half of these experienced meaningful heartburn relief within 19 min after Maalox, and within 70 min after ranitidine. One hour after intake, the average heartburn relief score was 3.43 in the Maalox group and 3.04 in the ranitidine group (3 means `slight improvement' and 4 `strong improvement'). Heartburn was similar in both groups after 3 h. Conclusions: 

Maalox provides faster relief of heartburn than ranitidine. Heartburn can be assessed frequently and reliably under ambulant conditions using an electronic patient diary.

Document Type: Research article

DOI: http://dx.doi.org/10.1046/j.1365-2036.1999.00654.x

Affiliations: 1: Centre for Human Drug Research (CHDR), Leiden, The Netherlands, 2: Rhône-Poulenc Théraplix, Paris, France, 3: Leiden University Medical Center, Department of Gastroenterology, Leiden, The Netherlands, 4: Rhône-Poulenc Rorer, Antony Cedex, France

Publication date: 1999-12-01

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