Herpes Simplex
Conditions
Keywords
pharmacokinetics herpes varicella herpes labialis Epstein-Barr virus
Brief summary
Limited data are available on valaciclovir use in children and valaciclovir is not currently approved for use in pediatrics. The marketed formulation of valaciclovir is not ideal for use in pre-adolescent patients who may have trouble swallowing solid oral dosage forms. An extemporaneous suspension formulation of valaciclovir has been developed to expedite the provision of benefits to children similar to those from administration of valaciclovir solid formulations in adults.
Interventions
Valaciclovir will be administered as an extemporaneously prepared suspension formulation. Valaciclovir oral suspension will be prepared by crushing marketed Valtrex Caplets 500 milligram (mg) and suspending the resultant powder in Suspension Structured Vehicle USNF with dose strength of 25 milligram per milliliter (mg/mL) or 50 mg/mL.
Sponsors
Study design
Eligibility
Inclusion criteria
* Subjects who have a current herpes virus infection. * Have neonatally acquired herpes at risk of potential recurrence. * Immunocompromised or cancer patients at risk for development of a herpes virus infection.
Exclusion criteria
* Hypersensitivity to antiherpetic medications. * Impaired hepatic or renal function. * Show presence of other serious or unstable underlying disease.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Plasma acyclovir and valaciclovir concentrations pre-dose (within 15 minutes of dose administration) and at 0.5, 1, 2, 4 and 6 hours following administration of the valaciclovir oral suspension dose. | 0.5, 1, 2, 4 and 6 hours |
Secondary
| Measure | Time frame |
|---|---|
| Safety monitoring throughout the study and at the follow up evaluation 2-4 days after the single dose of study medication. | Up to Day 5 |
Countries
Chile, South Africa, United States