Subjects to compare the single dose bioavailability of Torrent's Olmesartan medoxomil, Amlodipine and Hydrochlorothiazide Tablets 40+10+25 mg and Tribenzor® 40+10+25 mg Tablets of Daichi Sankyo Inc, USA. Dosing periods of studies were separated by a washout period of 22 days.

An Open Label, Randomized, 2-period, 2- Treatment, 2-Sequence, Crossover, Single-dose Bioequivalence Study of FDC of Olmesartan medoxomil, Amlodipine and Hydrochlorothiazide Tablets 40+10+25 mg containing Olmesartan medoxomil 40 mg, Amlodipine 10 mg and Hydrochlorothiazide 25 mg ( Test Formulation, Torrent Pharmaceutical Ltd., India) Versus Tribenzor® 40+10+25 mg Tablets containing Olmesartan medoxomil 40 mg, Amlodipine 10 mg and Hydrochlorothiazide 25 mg (Reference , Daichi Sankyo Inc, USA.) in Healthy Human Volunteers Under Fasting Condition.

Inclusion Criteria:

• Sex: male
• Age: 18-45 years
• Volunteer with BMI of 18-25 (inclusive both) kg/m2
• Healthy and willing to participate in the study.
• Volunteer willing to adhere to the protocol requirements and to provide written informed consent.
• Preferably Non-smokers

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 110 mm Hg or more than 140 mm Hg and diastolic blood pressure less than 70 mm Hg or more than 90 mm Hg.
• Pulse rate less than 60/minute or more than 100/minute. Oral temperature less than 95°F or more than 99°F.
• Respiratory rate less than 14/minute or more than 18/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 judgment 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.