Overview rhGH Therapy on Hepatic Drug Metabolism Status: Completed Trial end date: 2008-09-01 Target enrollment: Participant gender: Summary The purpose of the study is to understand the effect of rhGH therapy on hepatic drug metabolism in children with idiopathic growth hormone deficiency. Details Lead Sponsor: University of LouisvilleCollaborator: Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)Treatments: CaffeineDextromethorphanHormones