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Bioequivalence Study of Gabapentin 800 mg Tablets Under Fasting Conditions

This study has been completed.
Information provided by:
Ranbaxy Inc. Identifier:
First received: October 22, 2008
Last updated: NA
Last verified: October 2008
History: No changes posted
This study compared the relative bioavailability (rate and extent of absorption) of the test Gabapentin tablets 800 mg by Ranbaxy Laboratories Limited to the reference Neurontin ® 800 mg tablets of Parke Davis Pharmaceuticals Ltd., distributed by Parke Davis, division of Warner-Lambert Co. in 28 healthy, adult subjects (21 males and 7 females) under fasting conditions using randomized, two-way crossover design.

Condition Intervention
Drug: Gabapentin tablets 800 mg

Study Type: Interventional
Study Design: Allocation: Randomized
Intervention Model: Crossover Assignment
Masking: Open Label
Official Title: A Relative Bioavailability Study of 800 mg Gabapentin Tablets Under Fasting Condition

Resource links provided by NLM:

Further study details as provided by Ranbaxy Inc.:

Primary Outcome Measures:
  • Bioequivalence

Enrollment: 28
Study Start Date: October 2002
Study Completion Date: December 2002
Primary Completion Date: October 2002 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Experimental: 1
Gabapentin tablets 800 mg by Ranbaxy Laboratories Limited
Drug: Gabapentin tablets 800 mg
Active Comparator: 2
Neurontin ® 800 mg tablets of Parke Davis Pharmaceuticals Ltd.
Drug: Gabapentin tablets 800 mg

Detailed Description:

A single oral dose of the test or reference product was administered to the volunteers on two separate occasions under fasting conditions with at least a 7 day washout between doses. Food and fluid intake were controlled during each confinement period.

A total of twenty eight (28) healthy subjects (21 males and 7 females) were enrolled in the study of which twenty seven (27) subjects completed the study.


Ages Eligible for Study:   18 Years and older   (Adult, Senior)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   Yes

Inclusion Criteria:

  1. All volunteers selected for this study will be healthy men or women 18 years of age or older at the time of dosing.
  2. The weight range will not exceed ± 20 % for height and body frame as per desirable weights for adult - 1983 Metropolitan Height and Weight Table
  3. If female and:

Of childbearing potential, is practicing an acceptable method of birth control for the duration of the study as judged by the investigator (s), such as condoms, foams, jellies, diaphragm, intrauterine device (IUD), or abstinence; or Is postmenopausal for at least 1 year; or Is surgically sterile (bilateral tubal ligation, bilateral oophorectomy, or hysterectomy)

Exclusion Criteria:

  1. Volunteers with a recent history of drug or alcohol addiction or abuse
  2. Volunteers with the presence of a clinically significant disorder involving the cardiovascular, respiratory, renal, gastrointestinal, immunologic, hematologic, endocrine, or neurologic system (s) or psychiatric disease (as determined by the clinical investigators)
  3. Volunteers whose clinical laboratory test values are outside the accepted reference range and when confirmed on re-examination are deemed to be clinically significant
  4. Volunteers demonstrated a positive hepatitis B surface antigen screen or a reactive HIV antibody screen
  5. Volunteers demonstrating a positive drug abuse screen when screened for this study
  6. Female volunteers demonstrating a positive pregnancy screen
  7. Female volunteers who are currently breast feeding
  8. Volunteers with history of allergic response(s) to Gabapentin or related drugs
  9. Volunteers with a history of clinically significant allergies including drug allergies
  10. Volunteers with a history of clinically significant illness during the 4 weeks prior to period I dosing (as determined by the clinical investigators)
  11. Volunteers who currently use tobacco products
  12. Volunteers who have taken any drug known to induce or inhibit hepatic drug metabolism in the 28 days prior to period I dosing
  13. Volunteers who report donating greater than 150 mL of the blood within 30 days prior to period I dosing. All subjects will be advised not to donate blood for four weeks after completing the study
  14. Volunteers who have donated plasma (eg. Plasmapheresis) within 14 days prior to period I dosing. All subjects will be advised not to donate plasma for four weeks after completing the study
  15. Volunteers who report receiving any investigational drug within 30 days prior to period I dosing
  16. Volunteers who report taking any systemic prescription medication in the 14 days prior to period I dosing.
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Please refer to this study by its identifier: NCT00778401

United States, North Dakota
PRACS Institute Ltd.
Fargo, North Dakota, United States, 58104
Sponsors and Collaborators
Ranbaxy Laboratories Limited
  More Information

Additional Information:
Responsible Party: Dr. Tausif Monif, Ranbaxy Research Labs Identifier: NCT00778401     History of Changes
Other Study ID Numbers: R01-825
Study First Received: October 22, 2008
Last Updated: October 22, 2008

Keywords provided by Ranbaxy Inc.:
Bioequivalence Gabapentin tablets 800 mg fasting conditions

Additional relevant MeSH terms:
gamma-Aminobutyric Acid
Sensory System Agents
Peripheral Nervous System Agents
Physiological Effects of Drugs
Antiparkinson Agents
Anti-Dyskinesia Agents
Calcium Channel Blockers
Membrane Transport Modulators
Molecular Mechanisms of Pharmacological Action
Anti-Anxiety Agents
Tranquilizing Agents
Central Nervous System Depressants
Psychotropic Drugs
Excitatory Amino Acid Antagonists
Excitatory Amino Acid Agents
Neurotransmitter Agents
Antimanic Agents
GABA Agents processed this record on April 27, 2017