Bioequivalence study of gabapentin 300 mg capsule in Thai healthy volunteers

Recruitment & Eligibility

Status: Completed

Sex: All

Target Recruitment: 24

Inclusion Criteria

1)Subjects who were Thai male or female, aged 18 to 50 years
2)Subjects whose BMI were within 18-25 kg/m2
3)Subjects who were healthy by medical history, physical examination and vital signs.
4)Subject whose screening visit laboratory values of blood tests including complete blood count, fasting blood sugar, blood urea nitrogen, serum creatinine, alkaline phosphatase, ALT, AST, total bilirubin, albumin, Hepatitis Bs-antigen and anti-HIV were within the normal range or showing no clinically significant abnormalities as confirmed by the clinical investigator.
5)For female subjects:
Female subject who was in childbearing potential must have serum Î²-HCG negative and agrees to use an acceptable birth control method from visit 1 to the last visit. The acceptable birth control method was defined as a barrier method of contraception (including condoms, intrauterine device (IUD) and diaphragm with spermicial agent) or total abstinence from sexual intercourse from visit 1 to the last visit. Hormonal contraceptives were not acceptable.
Female subject who was in child bearing potential must agree not to become pregnant for the entire participation phase and must have a negative result for urine pregnancy test performing prior to dosing at period I and II.
Female subjects could be those with non-childbearing potential which defined as female subjects with hysterectomy, both ovaries removed, surgically sterilized or postmenopausal (for at least 12 consecutive months of amenorrhea).
6)Subjects were able to understand the requirements of the study and voluntarily sign and date an informed consent, approved by the Independent Ethic Committee (IEC)/Institutional Review Board (IRB), prior to the initiation of any screening or study-specific procedures.

Exclusion Criteria

1)Subjects who were with a history/evidence of allergy or hypersensitivity to.
2)Subjects who had a history of any illness that, in the opinion of the clinical investigator, confounded the result of the study or posed an additional risk in administrating study drug to the subjects. This may include but not limited to: a history of relevant drug or food allergies; history or cardiovascular, gastrointestinal, central nervous system disease, renal and hepatic impairment; history or presence of clinically significant illness; or history of mental illness that may affected compliance with study requirements.
3)Subjects who were with a history of heavy smoking (more than 10 cigarettes per day) or moderate smoking (less than 10 cigarettes per day) and could not omit smoking at least one day before the study and until the completion of the study phase.
4)Subjects who were with a history of alcoholic (more than 2 years) or moderate drinkers (more than 3 drinks per day â€ one is equal to one unit of alcohol: - one glass of wine, half pine of beer or one measure of spirit) or subjects who were with a history of any drug abuse.
5)Subjects who received of any medical prescription within 14 days before the first administration of the study drug, especially drug related to the study drug metabolism enzyme.
6)Female subjects who were pregnant or breast feeding.
7)Subjects who were participating in any investigational drug study or had been in any investigational drug study within 3 month prior to the screening visit.

Study & Design

Study Type: Interventional

Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
Bioequivalence 5 months 90% confidence interval of Cmax, AUC0-t and AUC0-inf

Secondary Outcome Measures

Name	Time	Method
Pharmacokinetic parameters 5 months Cmax and Tmax are taken directly from the individual concentration versus time data. The elimination

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