[Comparison of the traditional triple and a new bismuth-containing quadruple therapy in the first-line eradication of ].

As the efficacy of the first-line traditional treatment used to eradicate decreased below 75% in Hungary, a new protocol had to be created. Supposing the success rate of the traditional therapy (14-day double dose of proton pump inhibitor [PPI], 1000 mg amoxicillin b.i.