Food Study of Valacyclovir Hydrochloride Tablets 1000 mg to Valtrex® Tablets 1000 mg

This study has been completed.
Information provided by:
Mylan Pharmaceuticals Identifier:
First received: March 30, 2008
Last updated: November 23, 2009
Last verified: November 2009

The objective of this study was to investigate the bioequivalence of Mylan's valacyclovir hydrochloride 1000 mg tablets to GlaxoSmithKline's Valtrex® 1000 mg tablets following a single, oral 1000 mg (1 x 1000 mg) dose administration under fed conditions.

Condition Intervention Phase
Drug: Valacyclovir Hydrochloride Tablets 1000 mg
Drug: Valtrex® Tablets 1000 mg
Phase 1

Study Type: Interventional
Study Design: Allocation: Randomized
Endpoint Classification: Bio-equivalence Study
Intervention Model: Crossover Assignment
Masking: Open Label
Official Title: Single-Dose Food In Vivo Bioequivalence Study of Valacyclovir Hydrochloride Tablets (1000 mg; Mylan) to Valtrex® Tablets (1000 mg; GlaxoSmithKline) in Healthy Volunteers

Resource links provided by NLM:

Further study details as provided by Mylan Pharmaceuticals:

Primary Outcome Measures:
  • The 90% confidence interval for the LSMeans ratio of CPEAK, AUCL, and AUCI for the test and reference product should be between 80.00% and 125.00% for the natural log-transformed data. [ Time Frame: blood collections through 24 hours ] [ Designated as safety issue: No ]

Enrollment: 26
Study Start Date: May 2005
Study Completion Date: June 2005
Primary Completion Date: May 2005 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Experimental: 1
Valacyclovir Hydrochloride Tablets 1000 mg
Drug: Valacyclovir Hydrochloride Tablets 1000 mg
1000mg, single dose fed
Active Comparator: 2
Valtrex® Tablets 1000 mg
Drug: Valtrex® Tablets 1000 mg
1000mg, single dose fed


Ages Eligible for Study:   18 Years and older
Genders Eligible for Study:   Both
Accepts Healthy Volunteers:   Yes

Inclusion Criteria:

  • healthy, adult subjects, 18 years and older
  • able to swallow medication

Exclusion Criteria:

  • institutionalized subjects
  • history of any significant disease
  • use of any prescription or OTC medications within 14 days of start of study
  • received any investigational products within 30 days prior to start of study
  Contacts and Locations
Please refer to this study by its identifier: NCT00649870

United States, West Virginia
Kendle International Inc.
Morgantown, West Virginia, United States, 26505
Sponsors and Collaborators
Mylan Pharmaceuticals
Principal Investigator: Dorian Williams, M.D. Kendle International Inc.
  More Information

Additional Information:
No publications provided

Responsible Party: Wayne Talton, Mylan Inc. Identifier: NCT00649870     History of Changes
Other Study ID Numbers: VALA-0405
Study First Received: March 30, 2008
Last Updated: November 23, 2009
Health Authority: United States: Institutional Review Board

Additional relevant MeSH terms:
Antiviral Agents
Anti-Infective Agents
Therapeutic Uses
Pharmacologic Actions processed this record on April 23, 2014