[Duodenal ulcer treated by carbenoxolone sodium. Endoscopically controlled trial (author's transl)]. The authors present the results of a clinical and endoscopic controlled trial of outpatients with duodenal ulcer treated with carbenoxolone (CBX) and carbenoxolone plus antacids (CBX + AA). They observed complete healing of the duodenal ulcer in 77%-83,3% in both groups of patients. They concluded that CBX is important in the treatment of duodenal ulcer been equally effective alone or in association with antacids.