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Bioequivalence Study of Escitalopram Tablets 10 mg

Information source: GlaxoSmithKline
ClinicalTrials.gov processed this data on August 23, 2015
Link to the current ClinicalTrials.gov record.

Condition(s) targeted: Anxiety Disorders

Intervention: escitalopram 10 mg (Drug); escitalopram 10 mg (Drug)

Phase: Phase 1

Status: Completed

Sponsored by: GlaxoSmithKline

Official(s) and/or principal investigator(s):
GSK Clinical Trials, Study Director, Affiliation: GlaxoSmithKline


The objective of this study was to confirm if two formulations of escitalopram tablets are bioequivalent. Test product was escitalopram (10 mg; GlaxoSmithKline) and reference product Lexapro® (10 mg escitalopram; Lundbeck). 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 26 healthy volunteers, male 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.

Clinical Details

Official title: Open, Two Periods, Two Treatments, Two Sequences, Cross-over, Randomized Study With Single Dosage of Two Oral Preparations in Tablets Containing Escitalopram 10 mg (Product From GlaxoSmithKline México, S.A. de C.V. vs. Lexapro® 10mg, Lundbeck México, S.A. de C.V.) in Fasting Healthy Volunteers

Study design: Allocation: Randomized, Endpoint Classification: Pharmacokinetics Study, Intervention Model: Crossover Assignment, Masking: Open Label

Primary outcome:

Peak Plasma Concentration (CMAX) of escitalopram

Area under the plasma concentration versus time curve (AUC) of escitalopram


Minimum age: 18 Years. Maximum age: 50 Years. Gender(s): Male.


Inclusion Criteria: Free will participation according to Mexican regulation, Helsinki Declaration, and Good Clinical Practice. Males between 18 and 50 years. Body Mass Index between 18 and 27. 5 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 medication, substance, or food. 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. 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.

Locations and Contacts

Additional Information

Starting date: May 2010
Last updated: December 6, 2012

Page last updated: August 23, 2015

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