Bioequivalence Study of Quinapril Hydrochloride 20 mg and Hydrochlorothiazide 25 mg Tablets Under Fed Conditions

Study Description

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Brief Summary:

This open-label, balanced, randomized, two-treatment, four-period, two-sequence, single dose, crossover fully replicated study was conducted on fixed-dose combination of quinapril 20 mg and hydrochlorothiazide 25 mg tablets of OHM Laboratories Inc. (division of Ranbaxy Laboratories Limited) and Accuretic 20-25 mg tablets of Parke-Davis (division of Pfizer Inc.) in healthy, adult, human, male, subjects under fed conditions.

Condition or disease	Intervention/treatment	Phase
Healthy	Drug: fixed-dose combination of quinapril 20 mg and hydrochlorothiazide 25 mg tablets	Not Applicable

Detailed Description:

The subjects received a single oral dose of either Test or Reference product, containing fixed-dose combination of Quinapril 20 mg and Hydrochlorothiazide 25 mg after an overnight fast of at least 10 hours. The study drug was administered as per the SAS generated Randomization Code, 30 minutes after serving of a high-fat high-calorie breakfast under supervision of a trained Medical Officer in each period.Blood samples were collected predose and at intervals over 72 hours after each dose. A 7-day interval was maintained between each dosing in the Study Periods I-IV.

During the course of the study safety parameters assessed were vital signs, physical examination, medical history, clinical laboratory safety tests (hematology, biochemical parameters and urine analysis) at base line. Laboratory parameters of hematology and biochemistry were repeated and sodium & potassium levels were estimated at the 24 hours post dose of the last period of the study.

A total of 40 subjects were randomized to receive fixed-dose combination of quinapril 20 mg and hydrochlorothiazide 25 mg tablets and 37 subjects completed all the four periods of the study.

Study Design

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Study Type :	Interventional (Clinical Trial)
Actual Enrollment :	40 participants
Allocation:	Randomized
Intervention Model:	Crossover Assignment
Masking:	None (Open Label)
Official Title:	An Open Label, Balanced, Randomised, Two-Treatment, Four-Period, Two-Sequence, Single-Dose, Crossover, Fully Replicated Bioavailability Study on Fixed-Dose Combination of Quinapril 20 mg and Hydrochlorothiazide 25 mg Tablets of OHM Laboratories Inc.(Division of Ranbaxy Laboratories Limited) With Accuretic 20-25 mg Tablets (Fixed Dose Combination of Quinapril 20 mg and Hydrochlorothiazide 25 mg) of Parke-Davis (Division of Pfizer Inc.) in Healthy, Adult, Human, Male Subjects Under Fed Conditions
Study Start Date :	June 2005
Actual Primary Completion Date :	July 2005
Actual Study Completion Date :	November 2005

Arms and Interventions

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Arm	Intervention/treatment
Experimental: 1; fixed-dose combination of quinapril 20 mg and hydrochlorothiazide 25 mg tablets of OHM Laboratories Inc.(division of Ranbaxy Laboratories Limited)	Drug: fixed-dose combination of quinapril 20 mg and hydrochlorothiazide 25 mg tablets
Active Comparator: 2; Accuretic tablets (fixed dose combination of quinapril 20 mg and hydrochlorothiazide 25 mg)	Drug: fixed-dose combination of quinapril 20 mg and hydrochlorothiazide 25 mg tablets
Experimental: 3; fixed-dose combination of quinapril 20 mg and hydrochlorothiazide 25 mg tablets of OHM Laboratories Inc.(division of Ranbaxy Laboratories Limited)	Drug: fixed-dose combination of quinapril 20 mg and hydrochlorothiazide 25 mg tablets
Active Comparator: 4; Accuretic tablets (fixed dose combination of quinapril 20 mg and hydrochlorothiazide 25 mg)	Drug: fixed-dose combination of quinapril 20 mg and hydrochlorothiazide 25 mg tablets

Outcome Measures

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Primary Outcome Measures :

1. Bioequivalence evaluation of Quinapril hydrochloride 20 mg and Hydrochlorothiazide 25 mg tablets under fed conditions

Eligibility Criteria

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Ages Eligible for Study:	18 Years to 45 Years (Adult)
Sexes Eligible for Study:	Male
Accepts Healthy Volunteers:	Yes

Criteria

Inclusion Criteria:

1. Be in the age range of 18-45 years.
2. Be neither overweight nor underweight for his/her height as per the Life Insurance Corporation of India height/weight chart for non-medical cases.
3. Have voluntarily given written informed consent to participate in this study.
4. Be of normal health as determined by medical history and physical examination of the subjects performed within 14 days prior to the commencement of the study.

Exclusion Criteria:

1. History of allergy to quinapril, hydrochlorothiazide, sulfonamide derived drugs or related ACE inhibitors.
2. History of anuria, gout or dry cough.
3. History of diarrhea or vomiting in the last one week.
4. Any evidence of organ dysfunction or any clinically significant deviation from the normal, in physical or clinical determinations.
5. Presence of disease markers of HIV 1 or 2, Hepatitis B or C viruses or syphilis infection.
6. Presence of values, which are significantly different from normal, reference ranges (as defined in Appendix 5) and/or judged clinically significant for haemoglobin, total white blood cells count, differential WBC count or platelet count.
7. Positive for urinary screen testing of drugs of abuse (opiates or cannabinoids).
8. Presence of values, which are significantly different from normal, reference ranges (as defined in Appendix 5) and/or judged clinically significant for serum creatinine, blood urea nitrogen, serum aspartate aminotransferase (AST), serum alanine aminotransferase (ALT), serum alkaline phosphatase, serum bilirubin, plasma glucose or serum cholesterol.
9. Clinically abnormal chemical and microscopic examination of urine defined as presence of RBC, WBC (>4/HPF), glucose (positive) or protein (positive).
10. Clinically abnormal ECG or Chest X-ray.
11. History of serious gastrointestinal, hepatic, renal, cardiovascular, pulmonary, neurological or haematological disease, diabetes, glaucoma or angioedema due to any cause.
12. History of any psychiatric illness which may impair the ability to provide written informed consent.
13. Regular smokers who smoke more than 10 cigarettes daily or have difficulty abstaining from smoking for the duration of each study period.
14. History of drug dependence or excessive alcohol intake on a habitual basis of more than 2 units of alcoholic beverages per day (1 unit equivalent to half pint of beer or 1 glass of wine or 1 measure of spirit) or have difficulty in abstaining for the duration of each study period.
15. Use of any enzyme modifying drugs within 30 days prior to Day 1 of this study.
16. Participation in any clinical trial within 12 weeks preceding Day 1 of this study.
17. A haemoglobin concentration of less than 7 % of lower limit of reference range e.g. 13 gm % for reference range of 14-18 gm at screening.

Contacts and Locations

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Study Description Study Design Arms and Interventions Outcome Measures Eligibility Criteria Contacts and Locations More Information

Locations

India
Ranbaxy CPU
New Delhi, India, 110 062

Sponsors and Collaborators

Ranbaxy Laboratories Limited

More Information

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Additional Information:

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Responsible Party:	Dr. Tausif Monif, Ranbaxy Research Labs
ClinicalTrials.gov Identifier:	NCT00872235 History of Changes
Other Study ID Numbers:	CPU-M-024/QUINH-45/05
First Posted:	March 31, 2009
Last Update Posted:	March 31, 2009
Last Verified:	March 2009

Keywords provided by Ranbaxy Inc.:

Bioequivalence fixed-dose combination of quinapril 20 mg and hydrochlorothiazide 25 mg tablets

Additional relevant MeSH terms:

Quinapril; Hydrochlorothiazide; Antihypertensive Agents; Diuretics; Natriuretic Agents; Physiological Effects of Drugs	Sodium Chloride Symporter Inhibitors; Membrane Transport Modulators; Molecular Mechanisms of Pharmacological Action; Angiotensin-Converting Enzyme Inhibitors; Protease Inhibitors; Enzyme Inhibitors