Oxcarbazepine 600 mg Tablets Under Fasting Conditions

Study Overview
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Brief Summary
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The objective of this study is to evaluate the comparative bioavailability between Oxcarbazepine 600 mg Tablets (test) and Trileptal® 600 mg Tablets (reference) after a single-dose in healthy subjects under fasting conditions.

Detailed Description
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Criteria for Evaluation: FDA Bioequivalence Criteria Statistical Methods: FDA bioequivalence statistical methods

Official Title
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A Single-Dose, Comparative Bioavailability Study of Two Formulations of Oxcarbazepine 600 mg Tablets Under Fasting Conditions

Conditions
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Healthy

Intervention / Treatment
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* Drug: Oxcarbazepine
* Drug: Trileptal®


Participation Criteria
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Eligibility Criteria
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Inclusion Criteria: Healthy, non-smoking male and female subjects, 18 years of age or older. BMI greater than or equal to 19 and less than or equal to 30. Negative for: HIV. Hepatitis B surface antigen and Hepatitis C antibody. Using drugs of abuse test (marijuana, amphetamines, barbiturates, cocaine, opiates, benzodiazepines and methadone). Urine cotinine test Serum HCG consistent with pregnancy (females only) No significant diseases or clinically significant findings in a physical examination. No clinically significant abnormal laboratory values. No clinically significant findings in vital signs measurements and a 12-lead electrocardiogram (ECG). Be informed of the nature of the study and given written consent prior to receiving any study procedure. Females who participate in this study are: unable to have children (e.g. post-menopausal, tubal ligation, hysterectomy or, willing to remain abstinent [not engage in sexual intercourse] or, willing to use an effective method of double-barrier birth control [partner using condom and female using diaphragm, contraceptive sponge, spermicide or IUD]. Females who participate in this study are not pregnant and/or non-lactating. Exclusion Criteria: Known history or presence of any clinically significant medical condition. Known or suspected carcinoma. Known history or presence of: Hypersensitivity or idiosyncratic reaction to oxcarbazepine and/or any other drug substances with similar activity. Alcoholism within the last 12 months. Drug dependence and/or substance abuse. Use of tobacco or nicotine-containing products within the last 6 months. On a special diet within 4 weeks prior to drug administration (e.g. liquid, protein, raw food diet). Participated in another clinical trial or received and investigational product within 30 days prior to drug administration. Donated up to 250 mL of blood within the previous 30 days OR Donated from 251 to 500 mL of blood in the previous 45 days OR Donated more than 500 mL of blood in the previous 56 days (based on the Canadian Blood Services guideline for blood donation. Females taking oral or transdermal hormonal contraceptives within 14 days preceding period 1 dosing. Females having taken implanted or injected hormonal contraceptives within 6 months prior to period 1 dosing. Requirement of any medication (prescription, hormonal contraceptive and/or over-the-counter) on a routine basis, with the exception of nutritional supplements and/or occasional use of common analgesics. Difficulty fasting or consuming the standard meals.

Ages Eligible for Study
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Minimum Age: 18 Years

Sexes Eligible for Study
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All

Accepts Healthy Volunteers
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Accepts Healthy Volunteers

Study Plan
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How is the study designed?
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Design Details

Allocation: Randomized
Intervention Model: Crossover Assignment
Masking: None (Open Label)


Arms and Interventions

| Participant Group/Arm | Intervention/Treatment |
| --- | --- |
| Experimental: Oxcarbazepine<br>Oxcarbazepine 600 mg Tablet (test) dosed in first period followed by Trileptal® 600 mg Tablet (reference) dosed in second period | Drug: Oxcarbazepine<br>* 600 mg Tablet<br>|
| Active Comparator: Trileptal®<br>Trileptal® 600 mg Tablet (reference) dosed in first period followed by Oxcarbazepine 600 mg Tablet (test) dosed in second period | Drug: Trileptal®<br>* 600 mg Tablet<br>|

What is the study measuring?
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Primary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Cmax - Maximum Observed Concentration - Oxcarbazepine in Plasma | Bioequivalence based on Cmax | Blood samples collected over 48 hour period | 
| AUC0-inf - Area Under the Concentration-time Curve From Time Zero to Infinity (Extrapolated) - Oxcarbazepine | Bioequivalence based on AUC0-inf | Blood samples collected over 48 hour period | 
| AUC0-t - Area Under the Concentration-time Curve From Time Zero to Time of Last Non-zero Concentration (Per Participant) - Oxcarbazepine | Bioequivalence based on AUC0-t | Blood samples collected over 48 hour period | 

Secondary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Cmax - 10-hydroxy-carbazepine in Plasma | Results of Metabolite for Informational Purposes Only | Blood samples collected over 48 hour period | 
| AUC0-inf - 10-hydroxy-carbazepine Metabolite | Results of Metabolite for informational purposes only | Blood samples collected over 48 hour period | 
| AUC0-t - 10-hydroxy-carbazepine Metabolite | Results of metabolite for informational purposes only | Blood samples collected over 48 hour period | 

 Terms related to the study
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Keywords Provided by Centre Hospitalier Valida
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Bioequivalence, Healthy Subjects