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Study to Evaluate the Bioavailability of the Test Formulation of Amlodipine 10 mg Tablets (Torrent Pharmaceuticals Limited) Compared to a 10 mg Dose of Norvasc® (Pfizer) in 18 Fed, Healthy Adult Subjects

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. Identifier: NCT00932880
Recruitment Status : Completed
First Posted : July 3, 2009
Last Update Posted : July 16, 2009
Information provided by:
Torrent Pharmaceuticals Limited

Brief Summary:
  • Objective:

    • The objective of this study was to compare the rate and extent of absorption of the test formulation, amlodipine besylate 10 mg tablets (Torrent Pharmaceuticals Ltd.), with that of the marketed reference product, Norvasc® 10 mg tablets (Pfizer, Inc.), when administered under fed conditions.
  • Study Design:

    • This was an open-label, randomized, two-way crossover study in which 18 healthy subjects were scheduled to receive a single dose of each of two treatments in two assigned dosing periods. Each dose administration was separated by a minimum 14-day washout period.

Condition or disease Intervention/treatment Phase
Healthy Drug: Amlodipine Besylate Drug: Norvasc Phase 1

Study Type : Interventional  (Clinical Trial)
Official Title: An Open-Label, Randomized, Two-Way Crossover, Single Dose Study to Evaluate the Bioavailability of the Test Formulation of Amlodipine 10 mg Tablets [Torrent Pharmaceuticals Limited,India] Compared to a 10 mg Dose of Norvasc®, [Pfizer, USA] in 18 Fed, Healthy Adult Subjects

Resource links provided by the National Library of Medicine

U.S. FDA Resources

Intervention Details:
    Drug: Amlodipine Besylate
    10 mg tablets (Torrent Pharmaceuticals, India)
    Drug: Norvasc
    10 mg dose (Pfizer, USA)

Primary Outcome Measures :
  1. Bioequivalence

Information from the National Library of Medicine

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Ages Eligible for Study:   18 Years to 45 Years   (Adult)
Sexes Eligible for Study:   All

Inclusion Criteria:

  • Sex: Male/female.
  • Age: 18 - 45 years.
  • Volunteer with BMI of 18-27 kg/m2 with minimum of 50 kg weight.
  • With minimum blood pressure of 110/75 mmHg.
  • Healthy and willing to participate in the study.
  • Signed Written Informed Consent for Screening and study.
  • Medical case history, physical examination, vital signs, laboratory tests and ECG without significant deviations.
  • Negative drug of abuse screening test.
  • Non-smokers or smoking less than 10 cigarettes a day and willing to break smoking in the course of the study.
  • No history of medication for at least 2 weeks prior to study drug administration until study Period II completion.

Exclusion Criteria:

  • Clinically relevant abnormal physical findings at the screening examination, which would interfere with the objectives of the study.
  • Clinically relevant abnormalities in the results of the laboratory screening evaluation.
  • Abnormal ECG.
  • Habituation of tobacco necessitating uninterrupted tobacco consumption.
  • Addiction to alcohol or history of any drug abuse.
  • History of kidney or liver dysfunction.
  • History of allergy to the test drug or any drug chemically similar to the drug under investigation.
  • Administration/ Intake of any prescription or OTC medication for two weeks before the study.
  • Patients suffering from any chronic illness such as arthritis, asthma etc.
  • HIV, HCV, HBsAg positive volunteers.
  • Opioids and cannabis positive volunteers based on urine test.
  • Subjects suffering from any psychiatric (acute or chronic) illness.
  • Administration of any investigational drug in the period 0 to 3 months before entry to the study.
  • Intake of barbiturates or any enzyme-inducing drug in last three months.
  • History of significant blood loss due to any reason, including blood donation in the past 12 weeks. The total blood loss in last 3 months including for this study will not exceed 350ml.
  • History of any bleeding disorder.
  • Existence of any surgical or medical condition, which, in the judgement of the clinical investigator, might interfere with the absorption, distribution, metabolism or excretion of the drug or likely to compromise the safety of volunteers.
  • Serious adverse reaction or hypersensitivity to study drug or any of the excipients.
  • Inability to communicate or co-operate with the investigator due to language problem, poor mental development or impaired cerebral function.
  • Pregnant and nursing mother.
  • Female not practicing barrier contraceptives.
  • Contraindications to active or inactive ingredients of the formulation.
  • Volunteers leaving to go on a holiday.
  • Imminent reassignment of job location.
  • Inadequate motivation.
  • Can not come for the follow-up visits.

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its identifier (NCT number): NCT00932880

United States, Texas
CEDRA Clinical Research, LLC
San Antonio, Texas, United States, 78217
Sponsors and Collaborators
Torrent Pharmaceuticals Limited Identifier: NCT00932880     History of Changes
Other Study ID Numbers: 20-061-SA
First Posted: July 3, 2009    Key Record Dates
Last Update Posted: July 16, 2009
Last Verified: July 2009

Additional relevant MeSH terms:
Antihypertensive Agents
Calcium Channel Blockers
Membrane Transport Modulators
Molecular Mechanisms of Pharmacological Action
Vasodilator Agents