10 ud af de 19 pædiatriske patienter fik samtidig behandling med Tracleer og epoprostenol i de 12 uger, undersøgelsen varede.
AC-052-356 was an open-label, non-controlled trial; 10 of the 19 paediatric patients were on concomitant Tracleer and epoprostenol therapy during the 12-week trial.