Study Status: Completed
Recruit Status: Completed
Study Type: Interventional
Official Title: Clinical Evaluation of Valaciclovir Hydrochloride: 256U87 in Patients With Chickenpox - Open Uncontrolled Study.
Brief Summary: This study will assess the safety and efficacy, and the pharmacokinetics of aciclovir and valaciclovir in children with chickenpox following oral administration of valaciclovir, for the purpose of seeking approval of valaciclovir HCl for the treatment of chickenpox.