A Bioequivalence Study of Two Formulations of 0.5-mg Dutasteride Capsules in Healthy Thai Male Volunteers under Fasting Conditio
- Conditions
- Healthy volunteersBioequivalenceDutasteridePharmacokinetic study
- Registration Number
- TCTR20190827001
- Lead Sponsor
- T.O. Chemicals (1979) Ltd.
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Pending (Not yet recruiting)
- Sex
- Male
- Target Recruitment
- 34
1.Male must be 18-55 years of age, body mass index (BMI) = 18.0-25.0 kg/m2, inclusive.
2.Must be in good health as determined by medical history, vital signs (blood pressure (systolic blood pressure not lower than 90 or not over 129 mmHg, diastolic blood pressure not lower than 60 or not over 79 mmHg), body temperature, pulse rate, respiratory rate) and physical examination
3.Screening electrocardiography (ECG) without clinically significant abnormalities
4.Screening visit laboratory values of blood test including hematology (complete blood count (CBC) with differential), fasting blood sugar (FBS), blood urea nitrogen (BUN), creatinine (Cr) and liver function test (aspartate aminotransferase (AST), alanine aminotransferase (ALT), total bilirubin and alkaline phosphatase (ALP)) must be within the normal range or showing no clinically significant abnormalities in the opinion of clinical investigator.
5.Urinalysis results within normal limit or showing no clinically significant abnormalities in the opinion of clinical investigator.
6.Must have serum hepatitis B surface antigen (HBsAg), hepatitis C virus antibody (anti-HCV) and human immunodeficiency virus antibody (anti-HIV) seronegative
7.Subject agrees to use an acceptable birth control method from visit 1 to the follow-up visit. The acceptable birth control method is defined as a barrier method of contraception (including condoms) or total abstinence from sexual intercourse from visit 1 to the follow-up visit.
8.Non-smokers (never smoked or no smoking within the previous 1 years)
9.Refrain from using herbal medications, dietary supplements (e.g., St. John’s Wort, ginkgo biloba, garlic supplements), vitamins, grapefruit or grapefruit juice, or pomelo within 14 days before the first administration of study drug (Day 1). Subjects must agree to refrain from these items until the last collection time-point of period 2.
10.Subjects must have ended any medications at least 30 days prior to Day 1 and agree to continue their refraining throughout the follow-up period.
11.Subjects must refrain from drinking caffeine and alcohol for at least 72 hours prior to Day 1 and agree to continue their refraining throughout the last collection time-point of period 2.
12.Have the ability to understand the requirements of the study and must voluntarily sign and date an informed consent, approved by an Independent Ethic Committee (IEC)/Institutional Review Board (IRB), prior to the initiation of any screening or study-specific procedures
1.Known hypersensitivity to dutasteride, any other similar class of drugs and its components
2.Past medical history of renal and hepatic insufficiency
3.Subject has a history of any illness that, in the opinion of the investigator, might confound the result of the study or pose an additional risk in administering study drug to the subject. This may include but is not limited to: a history of relevant drug or food allergies; history of cardiovascular, gastrointestinal, central nervous system disease, renal and hepatic impairment; history or presence of clinically significant illness; or history of mental illness that may affect compliance with study requirements.
4.Have history of drug abuse (in the opinion of the investigator, as judged by medical history) in the last 12 months
5.Have positive result of urine drug abuse testing on opioids (morphine (Mor), methadone (MTD)), cannabiniods (tetrahydrocannabinol (THC)), methamphetamine (Meth), cocaine (Coc) and methylenedioxy-methamphetamine (MDMA) at screening visit or before dose administration at each period
6.Alcohol abuse or excessive use (in the opinion of the investigator, as judged by medical history) in the last 12 months
7.Have positive result of alcohol breathing test at screening visit or before dose administration at each period
8.Difficulties fasting or consuming standard meals
9.Difficulties swallowing whole tablets
10.Donation or loss of whole blood:
a.≥ 50 mL and ≤ 499 mL within 30 days prior to dosing
b.≥ 500 mL within 56 days prior to dosing.
11.Participation in any investigation drug study within 1 month prior to screening visit
Study & Design
- Study Type
- Interventional
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method Pharmacokinetic parameters: Cmax, AUC0-t and AUC0-inf 0.0, 0.5, 1.0, 1.3, 1.7, 2.0, 2.3, 2.7, 3.0, 3.3, 3.7, 4.0, 4.5, 5.0, 6.0, 8.0, 10, 12, 14, 24, 48, Dutasteride plasma concentration
- Secondary Outcome Measures
Name Time Method /A N/A N/A