“…The pruritus is the prominent clinical feature of hepatic cholestasis and remains a therapeutic challenge with significant morbidity and poorly defined pathogenesis. Several treatment modalities, including rifampicin, phenobarbital, UDCA, nalaxone, plasmapheresis and phototherapy, have been used for pruritus 5 , 13 . There is currently no effective medical therapy for children with Byler disease.…”