Bioequivalence Study of Losartan Potassium (100 mg Tablet) [Test Formulation, Torrent Pharmaceuticals Ltd., India] Versus Cozaar® (100 mg Tablet) [Reference Formulation, Merck & Co. Inc., USA] in Healthy Human Volunteers Under Fasting Condition

This study has been completed.
Information provided by:
Torrent Pharmaceuticals Limited Identifier:
First received: October 7, 2010
Last updated: November 1, 2010
Last verified: October 2010


The purpose of this study is to compare the single dose bioavailability of Torrent's Losartan Potassium Tablets 1 × 100 mg and Cozaar® Tablets 1 × 100 mg of Merck & Co., Inc.

Study Design:

Randomized, Two-Way Crossover, Single-Dose, Open-Label in 70 healthy human adult subjects.

Condition Intervention Phase
Drug: Losartan Potassium Tablets
Phase 1

Study Type: Interventional
Official Title: An Open Label, Randomised, 2-Period, 2-Treatment, Crossover, Single-Dose Bioequivalence Study of Losartan Potassium (100 mg Tablet) [Test Formulation, Torrent Pharmaceuticals Ltd., India] Versus Cozaar® (100 mg Tablet) [Reference Formulation, Merck & Co. Inc., USA] in Healthy Human Volunteers Under Fasting Condition

Resource links provided by NLM:

Further study details as provided by Torrent Pharmaceuticals Limited:

Primary Outcome Measures:
  • Bioequivalence based on Cmax
  • Bioequivalence based on AUC parameters


Ages Eligible for Study:   18 Years to 45 Years
Genders Eligible for Study:   Male

Inclusion Criteria:

  • The volunteers were Included from the study based on the following criteria:
  • Sex: male.
  • Age: 18 - 45 years. .
  • Volunteer with BMI of 18-27 (inclusive both) kg/m2 with minimum of 50 kg weight.
  • Healthy and willing to participate in the study.
  • Volunteer willing to adhere to the protocol requirements and to provide written informed consent.
  • Non-smokers or smoker who smokes less than 10 cigarettes per day

Exclusion Criteria:

  • The volunteers were excluded from the study based on the following criteria:
  • Clinically relevant abnormalities in the results of the laboratory screening evaluation.
  • Clinically significant abnormal ECG or Chest X-ray.
  • Systolic blood pressure less than 100 mm Hg or more than 140 mm Hg and diastolic blood pressure less than 60 mm Hg or more than 90 mm Hg.
  • Pulse rate less than 50/minute or more than 100/minute.
  • Oral temperature less than 95°P or more than 98.6°P.
  • Respiratory rate less than 12/minute or more than 20/minute
  • History of allergy to the test drug or any drug chemically similar to the drug under investigation.
  • History of alcohol or drug abuse
  • Positive breath alcohol test
  • Recent history of kidney or liver dysfunction.
  • History of consumption of prescribed medication since last 14 days or OTC medication since last 07 days before beginning of the study.
  • Volunteers suffering from any chronic illness such as arthritis, asthma etc.
  • History of heart failure.
  • HIV, HCV, HBsAg positive volunteers.
  • Opiate, tetra hydrocannabinol, amphetamine, barbiturates, benzodiazepines,
  • Cocaine positive volunteers based on urine test.
  • Volunteers suffering from any psychiatric (acute or chronic) illness requiring medications.
  • Administration of any study drug in the period 0 to 3 months before entry to the study.
  • History of significant blood loss due to any reason, including blood donation in the past 3 months.
  • History of pre-existing bleeding disorder.
  • Existence of any surgical or medical condition, which, in the judgement of the chief investigator and/or clinical investigator/physician, might interfere with the absorption, distribution, metabolism or excretion of the drug or likely to compromise the safety of volunteers.
  • Inability to communicate or co-operate due to language problem, poor mental development or impaired cerebral function.
  Contacts and Locations
Please refer to this study by its identifier: NCT01218022

Torrent BE Centre
Gandhinagar, Gujarat, India, 382 428
Sponsors and Collaborators
Torrent Pharmaceuticals Limited
  More Information

No publications provided Identifier: NCT01218022     History of Changes
Other Study ID Numbers: PK-07-064
Study First Received: October 7, 2010
Last Updated: November 1, 2010
Health Authority: United States: Institutional Review Board

Additional relevant MeSH terms:
Anti-Arrhythmia Agents
Cardiovascular Agents
Therapeutic Uses
Pharmacologic Actions
Antihypertensive Agents
Angiotensin II Type 1 Receptor Blockers
Angiotensin Receptor Antagonists
Molecular Mechanisms of Pharmacological Action processed this record on April 17, 2014