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Comparative Randomized, Single Dose, Two-Way Crossover, Open-Label Study to Determine the Bioequivalence of Montelukast 10 mg Tablets Formulations, Singulair and Montelukast GPO, after Oral Administration to Healthy Thai Volunteers under Fasting Conditions

Comparative Randomized, Single Dose, Two-Way Crossover, Open-Label Study to Determine the Bioequivalence of Montelukast 10 mg Tablets Formulations, Singulair and Montelukast GPO, after Oral Administration to Healthy Thai Volunteers under Fasting Cond

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
TCTR
Registry ID
TCTR20170119002
Enrollment
Unknown
Registered
2017-01-19
Start date
2017-04-03
Completion date
Unknown
Last updated
2026-08-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Healthy male and female subjects

Interventions

Montelukast 10 mg immediate release tablets,Montelukast 10 mg immediate release tablets
Experimental Drug,Active Comparator Drug
Montelukast GPO,Singulair

Sponsors

The Government Pharmaceutical Organization
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 55 Years

Inclusion criteria

Inclusion criteria: a) Be healthy male or female subjects between 18-55 years of age (both inclusive). b) Have a Body Mass Index (BMI) between 18.0-25.0 (both inclusive), calculated as weight in kg/height in m2. c) Have no evidence of underlying disease or clinically significant abnormal finding during screening, medical history examination, physical examination. d) Have no abnormal finding during laboratory examination such as complete blood count, hematocrit, hemoglobin, fasting blood sugar, blood urea nitrogen (BUN), serum creatinine, alkaline phosphatase, ALT, AST, total bilirubin, total protein, albumin, HBsAg, Anti-HCV, Anti-HIV, urine analysis, chest X-ray and 12-Lead ECG recording or judged by physician as clinically insignificant or acceptable. e) Able to understand and comply with the study procedures, in the opinion of the Principal Investigator. f) Able to give voluntary written inform consent for participation in the trial. g) In case of female subjects: • Females of child-bearing potential agree to use an acceptable method of birth control for entire duration of the study as judge by the investigator(s): i. Non hormonal intrauterine device in place of at least 3 months prior to the start of the study and remaining in place during the study period, or ii. Barrier methods containing or used in conjunction with a spermicidal agent, such as condoms, foams, jellies, diaphragm, etc., or iii. Surgery sterilization or iv. Practicing sexual abstinence throughout the course of the study. OR • Females were not considered of childbearing potential if one of the following was reported and documented on the medical history: i. Postmenopausal with spontaneous amenorrhea for at least one year, or ii. Bilateral oophorectomy with or without a hysterectomy and an absence of bleeding for at least 6 months, or iii. Total hysterectomy and absence of bleeding for at least 3 month. AND • Females demonstrate a negative pregnancy test performed at screening. • Females without currently breast-feeding.

Exclusion criteria

Exclusion criteria: a) Any history of hypersensitivity to montelukast or any of its excipients. b) A recent history or presence of any disease or condition which might compromise the haemopoietic&#44; renal&#44; hepatic&#44; endocrine&#44; pulmonary&#44; central nervous&#44; cardiovascular&#44; immunological&#44; dermatological&#44; gastrointestinal or any other body system. c) Clinically significant illness within 4 weeks before the start of the study. d) Any history of bronchospasm&#44; asthma&#44; urticaria or other allergic type reactions after taking any medication. e) A positive hepatitis screen including HBsAg and/or anti&#45;HCV. f) A positive test result for anti&#45;HIV. g) Has participated in any other clinical trial involving drug administration and collection of blood samples or has donated blood (1 unit or 350 mL) in the preceding 90 days prior to the start of the study. h) History of difficulty with donating blood or difficulty in accessibility of veins. i) A recent history of harmful use of alcohol (less than 2 years) i.e.&#44; alcohol consumption of more than 14 standard drinks per week for men and 7 standard drinks per week for women (A standard drink is defined as 360 ml of beer or 150 ml of wine or 45 ml of 40% distilled spirits&#44; such as rum&#44; whisky&#44; brandy etc)&#44; or consumption of alcohol or alcoholic product within 48 hours prior to dosing&#44; or testing positive in pre&#45;study breath test for alcohol consumption. j) Consumption of grapefruit&#44; pomelo&#44; orange&#44; or any products containing these fruits within 48 hours prior to dosing. k) Consumption of xanthine containing products (i.e. tea&#44; coffee&#44; chocolates or cola drinks) more than 3 cups/day or consuming these products within 24 hours prior to dosing. l) Heavy smoking (> 10 cigarettes/day). m) Moderate smoking (< 10 cigarettes/day) and consumption of tobacco containing products&#44; which cannot stop smoking or consuming 24 hours prior to dosing and for entire duration of the study. n) Use of any recreational drugs or history of drug addiction or testing positive in pre&#45;study drug scans. o) Consumption of any medication (including over&#45;the&#45;counter products&#44; herbal remedies)&#44; or vitamins&#44; or dietary supplements at any time within 14 days prior to dosing. In any such case subject selection will be at the discretion of the Principal Investigator. p) Any food allergy&#44; intolerance&#44; restriction or special diet that&#44; in the opinion of Principal Investigator&#44; could contraindicate the volunteer’s participation in the study. q) Difficulty in swallowing solids dosage forms like tablets or capsules. r) Intolerance to venipuncture.

Design outcomes

Primary

MeasureTime frame
90%CI of pharmacokinetic parameters 22 Bioanalysis and pharmacokinetic data analysis

Secondary

MeasureTime frame
Side effects and Severe adverse events During the study after dosing Severity degree and Number of events

Countries

Thailand

Contacts

Public ContactPorranee Puranajoti

International Bio Service Co.&#44; Ltd.

porranee.pur@mahidol.ac.th+66 2 441 5211

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 9, 2026