[Eradicating therapy of Helicobacter pylori in the duodenal ulcer].

Helicobacter pylori (HP) is the conclusive etiopathogenetic element of peptic lesion. The disappearance of the bacteria from the antral mucosa involves a rapid cicatrization of the ulcer with correlated recidivist, in direct manner, to reinfections or insufficient treatments. The leading problem lies in definitive bacterial eradication, made difficult by the notable resistance of the HP to the antimicrobic agent.