As a rescue therapy after failure of initial treatment, quadruple therapy's success rates are similar for different durations of administration: 74% for seven day treatments; 72% for ten day treatments; and 81% for fourteen day treatments 59.
Como terapia de rescate, después de un primer tratamiento fallido, la eficacia es similar si se administra durante 7, 10 ó 14 días, y sus valores son 74%, 72% y 81% respectivamente 59.