Food Study of Metoprolol Tartrate/Hydrochlorothiazide Tablets 100/50 mg to Lopressor HCT® Tablets 100/50 mg

Overview

The objective of this study was to investigate the bioequivalence of Mylan metoprolol tartrate/hydrochlorothiazide 100/50 mg tablets to Novartis Lopressor HCT® 100/50 mg tablets following a single, oral 100/50 mg (1 x 100/50 mg) dose administration under fed conditions.

Full Title of Study: “Single-Dose Food In Vivo Bioequivalence Study of Metoprolol Tartrate/Hydrochlorothiazide Tablets (100/50 mg; Mylan) to Lopressor HCT® Tablets (100/50 mg; Novartis) in Healthy Volunteers”

Study Type

  • Study Type: Interventional
  • Study Design
    • Allocation: Randomized
    • Intervention Model: Crossover Assignment
    • Masking: None (Open Label)
  • Study Primary Completion Date: February 2003

Interventions

  • Drug: Metoprolol Tartrate/Hydrochlorothiazide Tablets 100/50 mg
    • 100/50mg, single dose fed
  • Drug: Lopressor HCT® Tablets 100/50 mg
    • 100/50mg, single dose fed

Arms, Groups and Cohorts

  • Experimental: 1
    • Metoprolol Tartrate/Hydrochlorothiazide Tablets 100/50 mg
  • Active Comparator: 2
    • Lopressor HCT® Tablets 100/50 mg

Clinical Trial Outcome Measures

Primary Measures

  • Bioequivalence
    • Time Frame: within 30 days

Participating in This Clinical Trial

Inclusion Criteria

1. Age: 18 years and older. 2. Sex: Male and non-pregnant, non-lactating female 1. Women of childbearing potential must have negative serum Beta-human chorionic gonadotropin (HCG) pregnancy tests performed within 14 days prior to the start of the study and the evening prior to dosing of each study period. If dosing is scheduled for a Sunday or Monday, the Beta-HCG pregnancy test should be given within 48 hours prior to dosing for that study period. An additional Beta-HCG pregnancy test will be performed upon completion of the study. 2. Women of childbearing potential must practice abstinence or be using an acceptable form of contraception throughout the duration of the study. No hormonal contraceptives or hormonal replacement therapy are permitted in this study. Acceptable forms of contraception include the following: 1. intrauterine device in place for at least 3 months prior to the start of the study and remaining in place during the study period, or 2. barrier methods containing or used in conjunction with a spermicidal agent, or 3. postmenopausal or surgical sterility accompanied with a documented postmenopausal course of at least one year (tubal ligation, oophorectomy or hysterectomy). 3. During the course of the study, from study screen until study exit – including the washout period, women of childbearing potential must use a spermicide containing barrier method of contraception in addition to their current contraceptive device. This advice should be documented in the informed consent form. 3. Weight: At least 60 kg (132 lbs) for men and 48 kg (106 lbs) for women and all subjects within 15% of Ideal Body Weight (IBW), as referenced by the Table of ""Desirable Weights of Adults"" Metropolitan Life Insurance Company, 1999 (See Part II ADMINISTRATIVE ASPECTS OF BIOEQUIVALENCE PROTOCOLS). 4. All subjects should be judged normal and healthy during a pre-study medical evaluation (physical examination, laboratory evaluation, hepatitis B and hepatitis C tests, HIV test, 12-lead ECG, and urine drug screen including amphetamine, barbiturates, benzodiazepines, cannabinoid, cocaine, opiates, phencyclidine, and methadone) performed within 14 days of the initial dose of study medication. Exclusion Criteria:

1. Institutionalized subjects will not be used. 2. Social Habits: 1. Use of any tobacco products. 2. Ingestion of any alcoholic, caffeine- or xanthine-containing food or beverage within the 48 hours prior to the initial dose of study medication. 3. Ingestion of any vitamins or herbal products within the 48 hours prior to the initial dose of the study medication. 4. Any recent, significant change in dietary or exercise habits. 3. Medications: 1. Use of any medication within the 14 days prior to the initial dose of study medication initiated at least 3 months prior to study medication dosing. (This includes oral contraceptives and hormonal replacement therapy.) 2. Use of any medication known to alter hepatic enzyme activity within 28 days prior to the initial dose of study medication initiated at least 3 months prior to study medication dosing. (This includes oral contraceptives and hormonal replacement therapy.) 4. Diseases: 1. History of any significant cardiovascular, hepatic, renal, pulmonary, hematologic, gastrointestinal, endocrine, immunologic, dermatologic, neurologic disease. 2. History of drug and/or alcohol abuse. 3. Acute illness at the time of either the pre-study medical evaluation or dosing. 5. Abnormal and clinically significant laboratory test results: 1. Clinically significant deviation from the Guide to Clinically Relevant Abnormalities (See Part II ADMINISTRATIVE ASPECTS OF BIOEQUIVALENCE PROTOCOLS). 2. Abnormal and clinically relevant ECG tracing. 6. Donation or loss of a significant volume of blood or plasma (> 450 mL) within 28 days prior to the initial dose of study medication. 7. Subjects who have received an investigational drug within 30 days prior to the initial dose of study medication. 8. Allergy or hypersensitivity to metoprolol, hydrochlorothiazide, any of the inactive ingredients, or other related products. 9. History of difficulties in swallowing, or any gastrointestinal disease which could affect the drug absorption. 10. Consumption of grapefruit or grapefruit containing products within 7 days of drug administration.

Gender Eligibility: All

Minimum Age: 18 Years

Maximum Age: N/A

Are Healthy Volunteers Accepted: Accepts Healthy Volunteers

Investigator Details

  • Lead Sponsor
    • Mylan Pharmaceuticals Inc
  • Provider of Information About this Clinical Study
    • Will Sullvan, Global Head of Product Risk and Safety Management, Mylan Inc.
  • Overall Official(s)
    • James D Carlson, Pharm. D., Principal Investigator, PRACS Institute Ltd.

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