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Bioequivalence Study of Montelukast 5 mg Chewable

GlaxoSmithKline (GSK) logo

GlaxoSmithKline (GSK)

Status and phase

Completed
Phase 1

Conditions

Asthma

Treatments

Drug: Montelukast 5 mg chewable tablets

Study type

Interventional

Funder types

Industry

Identifiers

Details and patient eligibility

About

The objective of this study was to confirm if two formulations of montelukast tablets are bioequivalent.

Test product was Montelukast (5 mg chewable tablets; GlaxoSmithKline) and reference product Singulair (5 mg chewable tablets; Merck Sharp & Dohme). The single dosage was one tablet.

The study was prospective, open-label, randomized, crossover, single dose, with 02 treatments, 02 sequences and 02 periods, under fasting conditions.

The population was composed of 32 healthy volunteers, both genders, adults between 18-50 years.

The comparative bioavailability of the two formulations was evaluated based in statistical comparisons of relevant pharmacokinetic parameters, obtained from data of drug concentrations in blood.

Enrollment

32 patients

Sex

All

Ages

18 to 50 years old

Volunteers

Accepts Healthy Volunteers

Inclusion criteria

Free will participation according to Mexican regulation, Helsinki Declaration, and Good Clinical Practice.

Healthy, between 18 and 50 years. Body Mass Index between 19 and 27 In good health by complete medical history and laboratory tests. Blood pressure 130-90/ 90-60 mm Hg; heart rate 55-100 beat per minute, respiratory rate 14-20 movements per minute.

Laboratory tests +/- 10% of normal interval (blood cytology, blood chemistry 27 elements, Hepatitis B and C antigens, HIV, urinalysis, anti-doping, pregnancy, electrocardiogram) -

Exclusion criteria

Alteration of vital signs Not complying with inclusion criteria History of cardiovascular, kidney, hepatic, muscular, metabolic, gastrointestinal (including constipation), neurologic, endocrine, hematopoietic (any kind of anemia), asthma, mental or organic disease. Those suffering from muscular trauma 21 days before the beginning of the study.

Requirement of any kind of medication during the course of the study, except study medication.

History of dyspepsia, gastritis, esophagitis, duodenal or gastric ulcer. Exposure to medications known as inducers or inhibitors of hepatic enzymes or administration of potentially toxic medication in the 30 days before the study beginning.

Administration of any medication in the 14 days or 5 half-lives (whatever longer) previous to the beginning of the study.

Hospitalization for any cause in the seven months before the beginning of the study.

Administration of investigational drugs in the 60 days before the study. Allergy to any antibiotic or non-steroidal anti-inflammatory analgesic. Alcohol ingestion or intake of beverages containing xanthines (coffee, tea, cocoa, chocolate, mate, cola drinks) or ingestion of charcoal grilled food or grapefruit or orange juice in the 72 hours before the hospitalization or tobacco smoking in the 72 hours before the beginning of the study.

Blood donation or loss => 450 ml in the 60 days before the beginning of the study.

History of drug or alcohol abuse. Positive pregnancy test. Special diet requirement, for instance vegetarian diet. Inability to understand nature, aims, and possible consequences of the study. Evidence of non-cooperative attitude during the study. Breast-feeding. Females on contraceptive hormonal treatment.

Trial design

Primary purpose

Other

Allocation

Randomized

Interventional model

Crossover Assignment

Masking

None (Open label)

32 participants in 2 patient groups

A(reference)/B(test)
Experimental group
Description:
initial administration of reference and cross-over to test
Treatment:
Drug: Montelukast 5 mg chewable tablets
Drug: Montelukast 5 mg chewable tablets
B(test)/A(reference)
Experimental group
Description:
initial administration of test and cross-over to reference
Treatment:
Drug: Montelukast 5 mg chewable tablets
Drug: Montelukast 5 mg chewable tablets

Trial contacts and locations

0

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Data sourced from clinicaltrials.gov

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