CClinicalTrials.gg
CompletedNCT01124162Updated Dec 8, 2010Results posted

Losartan 100 mg Tablets in Healthy Subjects Under Fasting Conditions

A Phase 1 interventional study of Losartan and Cozaar® in Healthy, sponsored by Teva Pharmaceuticals USA. Completed at 1 site in Canada. Open to participants aged 18 Years and older, including healthy volunteers. Per ClinicalTrials.gov, last updated 2010-12-08.

Sponsored by Teva Pharmaceuticals USA · Phase 1 and Interventional

Phase
Phase 1
Study type
Interventional
Enrollment
80
Allocation
Randomized
Ages
18 Years and older
Sex
All
01

Study summary

The objective of this study is to compare the rate and extent of absorption of losartan 100 mg tablets (test) versus Cozaar® (reference), administered as 1 * 100 mg tablet under fasting conditions.

Read the detailed description

Criteria for Evaluation: FDA Bioequivalence Criteria

Statistical Methods: FDA Bioequivalence Statistical Methods

02

Conditions studied

  • Healthy

Keywords

  • Bioequivalence
  • Healthy Subjects
03

In context

Lead sponsor

Teva Pharmaceuticals USA is the lead sponsor of 171 studies on the registry; none are open to participants now.

Of its 5 completed or terminated interventional studies of FDA-regulated products, 4 (80%) have results posted.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
18 Years and older
Sexes eligible
All
Accepts healthy volunteers
Yes

Inclusion criteria

  • Non-child-bearing potential female or male.
  • Non-smoker.
  • 18 years of age and older.
  • Capable of consent.
  • Non-child-bearing potential female subject:

    • Post-menopausal state: absence of menses for 12 months prior to drug administration.
    • Surgically sterile: hysterectomy, bilateral oophorectomy, or tubal ligation at least 6 months prior to drug administration.

Exclusion criteria

Exclusion Criteria:

  • Clinically significant illness within 4 weeks prior to the administration of the study medication.
  • Clinically significant surgery within 4 weeks prior to the administration of the study medication.
  • Any clinically significant abnormality found during medical screening.
  • Any reason which, in the opinion of the Medical Sub-Investigator, would prevent the subject from participating in the study.
  • Abnormal laboratory tests judged clinically significant.
  • Positive urine drug screen at screening.
  • Positive testing for hepatitis B, hepatitis C, or HIV at screening.
  • ECG abnormalities (clinically significant) or vital sign abnormalities (systolic blood pressure lower than 100 or over 140 mmHg, diastolic blood pressure lower than 60 or over 100 bpm) at screening.
  • Subjects with BMI > 30.0.
  • History of significant alcohol abuse within 6 months prior to screening visit or any indication of the regular use of more than 14 units of alcohol per week (1 unit = 150 mL of wine, 360 mL of beer, or 45 mL of 40% alcohol).
  • History of drug abuse or use of illegal drugs: use of soft drugs (such as marijuana) within 3 months prior to screening visit or hard drugs (such as cocaine, phencyclidine [PCP], and crack) within 1 year prior to the screening visit.
  • History of allergic reactions to losartan or other related drugs.
  • History of allergic reactions to heparin.
  • Use of any drugs known to induce or inhibit drug metabolism within 30 days prior to administration of the study medication.
  • Use of an investigational drug or participation in an investigational study within 30 days prior to administration of the study medication.
  • Clinically significant history or presence of any clinically significant gastrointestinal pathology (e.g. chronic diarrhea, inflammatory bowl diseases), unresolved gastrointestinal symptoms (e.g. diarrhea, vomiting), liver or kidney disease, or other conditions known to interfere with the absorption, distribution, metabolism, or excretion of the study drug.
  • Any clinically significant history or presence of clinically significant neurological, endocrinal, cardiovascular, pulmonary, hematologic, immunologic, psychiatric, or metabolic disease.
  • Use of prescription medication within 14 days prior to administration of study medication or over-the-counter products (including natural food supplements, vitamins, garlic as a supplement) within 7 days prior to administration of study medication, except for topical products without systemic absorption.
  • Positive alcohol breath test at screening.
  • Subjects who have used tobacco in any form within 90 days preceding study drug administration.
  • Any food allergy, intolerance, restriction, or special diet that could, in the opinion of the Medical Sub-Investigator, contraindicate the subjects participation in this study.
  • A dept injection or an implant of any drug within 3 months prior to administration of study medication.
  • Donation of plasma (500 mL) within 7 days prior to drug administration. Donation or loss of whole blood prior to administration of the study medication as follows:

    • Less than 300 mL of whole blood within 30 days
    • 300 mL to 500 mL of whole blood within 45 days, or
    • more than 500 mL of whole blood within 56 days prior to drug administration.
  • Consumption of food or beverages containing grapefruit (e.g. fresh, canned, or frozen) within 7 days prior to administration of the study medication.
  • Clinically significant history of known active hypotension or volume depletion.
  • Intolerance to venipuncture.
  • Clinically significant history of renal, hepatic, or cardiovascular disease, tuberculosis, epilepsy, asthma, diabetes, psychosis, or glaucoma will not be eligible for this study.
  • Subjects unable to understand or unwilling to sign the Informed Consent Form.
  • Additional exclusion criteria for females only;

    • Breast-feeding subjects.
    • Positive urine pregnancy test at screening (performed for all females).
05

Study design

Phase
Phase 1
Allocation
Randomized
Intervention model
Crossover assignment
Masking
None (open label)
Enrollment
80 participants (actual)

Study arms

  • Experimental
    Generic Test Product

    Losartan 100mg Tablets

    Drug: Losartan

  • Active comparator
    Reference Listed Drug

    Cozaar® 100 mg Tablets

    Drug: Cozaar®

Interventions

  • DrugLosartan

    100 mg Tablet

  • DrugCozaar®

    100 mg Tablet

    Also known as: Losartan (generic name)

06

What researchers measure

Primary outcomes

  1. Cmax of Losartan (Maximum Observed Concentration of Drug Substance in Plasma)

    Bioequivalence based on Losartan Cmax.

    Time frame: Blood samples collected over a 24 hour period.

  2. AUC0-t of Losartan (Area Under the Concentration-time Curve From Time Zero to Time of Last Measurable Concentration)

    Bioequivalence based on Losartan AUC0-t.

    Time frame: Blood samples collected over a 24 hour period.

  3. AUC0-inf of Losartan (Area Under the Concentration-time Curve From Time Zero to Infinity)

    Bioequivalence based on Losartan AUC0-inf.

    Time frame: Blood samples collected over a 24 hour period.

Secondary outcomes

  1. Cmax of Losartan Carboxy Acid (Maximum Observed Concentration of Drug Substance in Plasma)

    Informational comparison of Cmax values for the metabolite Losartan Carboxy Acid.

    Time frame: Blood samples collected over a 24 hour period.

  2. AUC0-t of Losartan Carboxy Acid (Area Under the Concentration-time Curve From Time Zero to Time of Last Measurable Concentration)

    Informational comparison of AUC0-t values for the metabolite Losartan Carboxy Acid.

    Time frame: Blood samples collected over a 24 hour period.

  3. AUC0-inf of Losartan Carboxy Acid(Area Under the Concentration-time Curve From Time Zero to Infinity)

    Informational comparison of AUC0-inf values for the metabolite Losaran Carboxy Acid.

    Time frame: Blood samples collected over a 24 hour period.

07

Results

Posted Jul 19, 2010

Participant flow

First Intervention
Participant flow — First Intervention
MilestoneLosartan (Test) FirstCozaar® (Reference) First
Started4040
Completed3840
Not completed20
Withdrew: Adverse event20
Washout of 7 Days
Participant flow — Washout of 7 Days
MilestoneLosartan (Test) FirstCozaar® (Reference) First
Started3840
Completed3740
Not completed10
Withdrew: Withdrawal by subject10
Second Intervention
Participant flow — Second Intervention
MilestoneLosartan (Test) FirstCozaar® (Reference) First
Started3740
Completed3740
Not completed00

Outcome measures

PrimaryCmax of Losartan (Maximum Observed Concentration of Drug Substance in Plasma)

Bioequivalence based on Losartan Cmax.

Time frame:
Blood samples collected over a 24 hour period.
Reported as:
Mean · ng/mL
Cmax of Losartan (Maximum Observed Concentration of Drug Substance in Plasma)
ng/mLLosartanCozaar®
Cmax of Losartan (Maximum Observed Concentration of Drug Substance in Plasma)637.01 ± 340.35582.39 ± 327.20
Statistical analysis
  • Losartan vs Cozaar® · Ratio of the t/r geometric mean x 100: 108.14 · 90% CI 97.43 to 120.03Bioequivalence is established if the 90% confidence interval for the ln-transformed geometric mean between the reference (R) and test (T) product fall within the interval of 80-125%.
PrimaryAUC0-t of Losartan (Area Under the Concentration-time Curve From Time Zero to Time of Last Measurable Concentration)

Bioequivalence based on Losartan AUC0-t.

Time frame:
Blood samples collected over a 24 hour period.
Reported as:
Mean · ng*h/mL
AUC0-t of Losartan (Area Under the Concentration-time Curve From Time Zero to Time of Last Measurable Concentration)
ng*h/mLLosartanCozaar®
AUC0-t of Losartan (Area Under the Concentration-time Curve From Time Zero to Time of Last Measurable Concentration)950.90 ± 422.61934.24 ± 418.99
Statistical analysis
  • Losartan vs Cozaar® · Ratio of the t/r geometric mean x 100: 101.70 · 90% CI 98.57 to 104.93Bioequivalence is established if the 90% confidence interval for the ln-transformed geometric mean between the reference (R) and test (T) product fall within the interval of 80-125%.
PrimaryAUC0-inf of Losartan (Area Under the Concentration-time Curve From Time Zero to Infinity)

Bioequivalence based on Losartan AUC0-inf.

Time frame:
Blood samples collected over a 24 hour period.
Reported as:
Mean · ng*h/mL
AUC0-inf of Losartan (Area Under the Concentration-time Curve From Time Zero to Infinity)
ng*h/mLLosartanCozaar®
AUC0-inf of Losartan (Area Under the Concentration-time Curve From Time Zero to Infinity)962.67 ± 423.97947.18 ± 419.38
Statistical analysis
  • Losartan vs Cozaar® · Ratio of the t/r geometric mean x 100: 101.5 · 90% CI 98.41 to 104.68Bioequivalence is established if the 90% confidence interval for the ln-transformed geometric mean between the reference (R) and test (T) product fall within the interval of 80-125%.
SecondaryCmax of Losartan Carboxy Acid (Maximum Observed Concentration of Drug Substance in Plasma)

Informational comparison of Cmax values for the metabolite Losartan Carboxy Acid.

Time frame:
Blood samples collected over a 24 hour period.
Reported as:
Mean · ng/mL
Cmax of Losartan Carboxy Acid (Maximum Observed Concentration of Drug Substance in Plasma)
ng/mLLosartanCozaar®
Cmax of Losartan Carboxy Acid (Maximum Observed Concentration of Drug Substance in Plasma)658.17 ± 272.35647.22 ± 259.27
Statistical analysis
  • Losartan vs Cozaar® · Ratio of the t/r geometric mean x 100: 102.08 · 90% CI 98.24 to 106.06This analysis was for informational purposes only and was not used to establish bioequivalence.
SecondaryAUC0-t of Losartan Carboxy Acid (Area Under the Concentration-time Curve From Time Zero to Time of Last Measurable Concentration)

Informational comparison of AUC0-t values for the metabolite Losartan Carboxy Acid.

Time frame:
Blood samples collected over a 24 hour period.
Reported as:
Mean · ng*h/mL
AUC0-t of Losartan Carboxy Acid (Area Under the Concentration-time Curve From Time Zero to Time of Last Measurable Concentration)
ng*h/mLLosartanCozaar®
AUC0-t of Losartan Carboxy Acid (Area Under the Concentration-time Curve From Time Zero to Time of Last Measurable Concentration)3748.87 ± 1314.683750.39 ± 1312.04
Statistical analysis
  • Losartan vs Cozaar® · Ratio of the t/r geometric mean x 100: 100.31 · 90% CI 97.84 to 102.84This analysis was for informational purposes only and was not used to establish bioequivalence.
SecondaryAUC0-inf of Losartan Carboxy Acid(Area Under the Concentration-time Curve From Time Zero to Infinity)

Informational comparison of AUC0-inf values for the metabolite Losaran Carboxy Acid.

Time frame:
Blood samples collected over a 24 hour period.
Reported as:
Mean · ng*h/mL
AUC0-inf of Losartan Carboxy Acid(Area Under the Concentration-time Curve From Time Zero to Infinity)
ng*h/mLLosartanCozaar®
AUC0-inf of Losartan Carboxy Acid(Area Under the Concentration-time Curve From Time Zero to Infinity)3855.02 ± 1345.503858.92 ± 1352.83
Statistical analysis
  • Losartan vs Cozaar® · Ratio of the t/r geometric mean x 100: 100.25 · 90% CI 97.87 to 102.69This analysis was for informational purposes only and was not used to establish bioequivalence.

Adverse events

Collected over Adverse event data was collected over the course of the study, which was approximately 2 weeks in duration.. Non-serious events are listed at a 5% frequency threshold.

Adverse event summary by group
GroupDeathsSeriousOther
Losartan—0/80 (0%)14/80 (17.5%)
Cozaar®—0/80 (0%)9/80 (11.3%)
Most frequent other events
Most frequent other events
EventLosartanCozaar®
Low Blood PressureGeneral disorders7/803/80
HeadacheGeneral disorders5/803/80
DizzinessGeneral disorders3/804/80

Baseline characteristics

Age, Categorical
Age, Categorical(Participants)Losartan (Test) FirstCozaar® (Reference) FirstTotal
<=18 years000
Between 18 and 65 years404080
>=65 years000
Sex: Female, Male
Sex: Female, Male(Participants)Losartan (Test) FirstCozaar® (Reference) FirstTotal
Female9918
Male313162
Race/Ethnicity, Customized
Race/Ethnicity, Customized(participants)Losartan (Test) FirstCozaar® (Reference) FirstTotal
Asian101
Black112
Caucasian323668
Hispanic639
Region of Enrollment
Region of Enrollment(participants)Losartan (Test) FirstCozaar® (Reference) FirstTotal
Canada404080
08

Study locations

1 site
  • Anapharm Inc.
    Montreal, Quebec H3X 2H9, Canada
09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Dec 8, 2010, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT01124162
Lead sponsor
Teva Pharmaceuticals USA
First posted
May 14, 2010
Start date
Oct 2003
Primary completion
Nov 2003
Completion
Nov 2003
Results posted
Jul 19, 2010
Last update
Dec 8, 2010

Study contacts

Richard Larouche, MD
principal investigator · Anapharm

Oversight

Data monitoring committee
No
View the source record on ClinicalTrials.gov ↗

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