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Clinical Trial
. 1994 Jul;39(7):1389-94.
doi: 10.1007/BF02088038.

Effect of Cimetropium Bromide on Esophageal Motility and Transit in Patients Affected by Primary Achalasia

Affiliations
Clinical Trial

Effect of Cimetropium Bromide on Esophageal Motility and Transit in Patients Affected by Primary Achalasia

L Marzio et al. Dig Dis Sci. .

Abstract

The effect of cimetropium bromide, a new anticholinergic agent, in patients with primary achalasia was studied. Twenty such patients (12 females and 8 males, mean age 38 years, range 15-56) were studied. Diagnosis was performed by radiology, endoscopy, and manometry. Lower esophageal sphincter pressure and body wave amplitude were measured by means of a five-channel catheter constantly perfused by a low-compliance pneumohydraulic pump. Patient received cimetropium bromide 10 mg intravenously over 3 min or placebo in a double-blind manner. In five patients esophageal transit evaluated by scintiscanning was studied on separate occasions after cimetropium bromide or placebo. Baseline mean lower esophageal sphincter pressure was 46 +/- 5 mm Hg and mean amplitude of body waves was 30 +/- 8 mm Hg. Cimetropium bromide induced a significant decrease in sphincter pressure and body wave amplitude that measured 13 +/- 3 mm Hg and 8 +/- 4 mm Hg, respectively, 15 min after the end of infusion. The decrease was maintained for 45 +/- 5 min. A marked reduction in repetitive body waves was also noted. Esophageal transit was also accelerated with cimetropium bromide. Maximal stomach radioactivity was observed after 8 +/- 1.8 sec while with placebo this was reached after 65 +/- 1.5 sec (P < 0.01). It is concluded with cimetropium bromide reduces LES pressure and shortens transit in primary esophageal achalasia. It may be useful in the treatment of this esophageal motility disorder.

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