ChEBI: Pibutidine hydrochloride is the hydrochloride salt of pibutidine. It is a H2 receptor antagonist which was developed for the treatment of peptic ulcers and duodenal ulcers. It was in phase III clinical trials in Japan (now discontinued). It has a role as an anti-ulcer drug and a H2-receptor antagonist. It contains a pibutidine(1+).