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Losartan Potassium/Hydrochlorothiazide 100/25 mg Tablets in Healthy Subjects Under Non-Fasting Conditions

A Relative Bioavailability Study of Losartan Potassium/Hydrochlorothiazide 100/25 mg Tablets Under Non-Fasting Conditions

Status
Completed
Phases
Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT01149473
Enrollment
80
Registered
2010-06-23
Start date
2004-03-31
Completion date
2004-04-30
Last updated
2024-08-20

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Healthy

Keywords

Bioequivalence, Healthy Subjects

Brief summary

The objective of this study is to compare the relative bioavailability of Losartan potassium/Hydrochlorothiazide 100/25 mg tablets (manufactured by Teva Pharmaceutical Industries, Ltd. and distributed by Teva Pharmaceuticals USA) with that of Hyzaar® 100/25 mg tablets (Merck) in healthy, adult, non-smoking subjects under non-fasting conditions.

Detailed description

Criteria for Evaluation: FDA Bioequivalence Criteria Statistical Methods: FDA Bioequivalence Statistical Methods

Interventions

Sponsors

Teva Pharmaceuticals USA
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
CROSSOVER
Primary purpose
OTHER
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
Yes

Inclusion criteria

* Healthy, non-smoking, male and female subjects at least 18 years of age. * BMI (body mass index) of 30 or less. * Females in this study must be physically unable to become pregnant (postmenopausal for at least 6 months or surgically sterile). * Successful completion of a physical examination within 28 days of initiation of the study. * Negative serum pregnancy test (females).

Exclusion criteria

* Subjects with a significant recent history of chronic alcohol consumption (past 2 years), drug addiction, or serious gastrointestinal, renal, hepatic, or cardiovascular disease, tuberculosis, epilepsy, asthma (past 5 years), diabetes, psychosis, or glaucoma will not be eligible for this study. * Subjects whose clinical laboratory test values are outside the reference range and are deemed clinically significant by the Principle Investigator. * Subjects who have a history of allergic responses to the classes of drugs being tested will be excluded from the study. * Subjects who use tobacco in any form will not be eligible to participate in the study. 3 months abstinence is required. * Subjects found to have urine concentrations of any of the tested drugs of abuse will not be allowed to participate. * Subjects should not have donated blood and/or plasma for at least 30 days prior to the first dosing of the study. * Subjects who have taken any investigational drug within 30 days prior to the first dosing of the study will not be allowed to participate. * Female subjects who are pregnant or who are able (women with child bearing potential) to become pregnant during the study will not be allowed to participate. * All female subjects will be screened for pregnancy at check-in each study period. Subjects with positive or inconclusive results will be withdrawn from the study. * Subjects who do not tolerate venipuncture will not be allowed to participate.

Design outcomes

Primary

MeasureTime frameDescription
Cmax of Losartan(Maximum Observed Concentration of Drug Substance in Plasma)Blood samples collected over a 48 hour period.Bioequivalence based on Losartan Cmax.
AUC0-t of Losartan(Area Under the Concentration-time Curve From Time Zero to Time of Last Measurable Concentration)Blood samples collected over a 48 hour period.Bioequivalence based on Losartan AUC0-t.
AUC0-inf of Losartan(Area Under the Concentration-time Curve From Time Zero to Infinity)Blood samples collected over a 48 hour period.Bioequivalence based on Losartan AUC0-inf.
Cmax of Hydrochlorothiazide(Maximum Observed Concentration of Drug Substance in Plasma)Blood samples collected over a 48 hour period.Bioequivalence based on Hydrochlorothiazide Cmax.
AUC0-t of Hydrochlorothiazide(Area Under the Concentration-time Curve From Time Zero to Time of Last Measurable Concentration)Blood samples collected over a 48 hour period.Bioequivalence based on Hydrochlorothiazide AUC0-t.
AUC0-inf of Hydrochlorothiazide(Area Under the Concentration-time Curve From Time Zero to Infinity)Blood samples collected over a 48 hour period.Bioequivalence based on Hydrochlorothiazide AUC0-inf.

Countries

United States

Participant flow

Participants by arm

ArmCount
Losartan/HCTZ (Test) First
100/25 mg Losartan potassium/Hydrochlorothiazide test product dosed in first period followed by 100/25 mg Hyzaar® Tablets reference product dosed in the second period.
40
Hyzaar® (Reference) First
100/25 mg Hyzaar® Tablets reference product dosed in first period followed by 100/25 mg Losartan potassium/Hydrochlorothiazide test product dosed in the second period.
40
Total80

Withdrawals & dropouts

PeriodReasonFG000FG001
First InterventionAdverse Event11
Washout of 7 DaysWithdrawal by Subject11

Baseline characteristics

CharacteristicLosartan/HCTZ (Test) FirstHyzaar® (Reference) FirstTotal
Age, Categorical
<=18 years
0 Participants0 Participants0 Participants
Age, Categorical
>=65 years
0 Participants1 Participants1 Participants
Age, Categorical
Between 18 and 65 years
40 Participants39 Participants79 Participants
Race/Ethnicity, Customized
Asian
1 participants2 participants3 participants
Race/Ethnicity, Customized
Black
3 participants2 participants5 participants
Race/Ethnicity, Customized
Caucasian
35 participants36 participants71 participants
Race/Ethnicity, Customized
Hispanic
1 participants0 participants1 participants
Region of Enrollment
United States
40 participants40 participants80 participants
Sex: Female, Male
Female
7 Participants7 Participants14 Participants
Sex: Female, Male
Male
33 Participants33 Participants66 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
deaths
Total, all-cause mortality
— / —— / —
other
Total, other adverse events
0 / 800 / 80
serious
Total, serious adverse events
0 / 800 / 80

Outcome results

Primary

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

Bioequivalence based on Hydrochlorothiazide AUC0-inf.

Time frame: Blood samples collected over a 48 hour period.

Population: All participants that completed the study had their samples analyzed.

ArmMeasureValue (MEAN)Dispersion
Losartan/HCTZ (Test)AUC0-inf of Hydrochlorothiazide(Area Under the Concentration-time Curve From Time Zero to Infinity)943.22 ng*h/mLStandard Deviation 217.842
Hyzaar® (Reference)AUC0-inf of Hydrochlorothiazide(Area Under the Concentration-time Curve From Time Zero to Infinity)945.592 ng*h/mLStandard Deviation 217.269
90% CI: [98.7, 101]
Primary

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 48 hour period.

Population: All participants that completed the study had their samples analyzed.

ArmMeasureValue (MEAN)Dispersion
Losartan/HCTZ (Test)AUC0-inf of Losartan(Area Under the Concentration-time Curve From Time Zero to Infinity)957.445 ng*h/mLStandard Deviation 465.781
Hyzaar® (Reference)AUC0-inf of Losartan(Area Under the Concentration-time Curve From Time Zero to Infinity)956.046 ng*h/mLStandard Deviation 467.567
90% CI: [98.6, 104]
Primary

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

Bioequivalence based on Hydrochlorothiazide AUC0-t.

Time frame: Blood samples collected over a 48 hour period.

Population: All participants that completed the study had their samples analyzed.

ArmMeasureValue (MEAN)Dispersion
Losartan/HCTZ (Test)AUC0-t of Hydrochlorothiazide(Area Under the Concentration-time Curve From Time Zero to Time of Last Measurable Concentration)917.034 ng*h/mLStandard Deviation 212.109
Hyzaar® (Reference)AUC0-t of Hydrochlorothiazide(Area Under the Concentration-time Curve From Time Zero to Time of Last Measurable Concentration)919.631 ng*h/mLStandard Deviation 210.684
95% CI: [98.6, 101]
Primary

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 48 hour period.

Population: All participants that completed the study had their samples analyzed.

ArmMeasureValue (MEAN)Dispersion
Losartan/HCTZ (Test)AUC0-t of Losartan(Area Under the Concentration-time Curve From Time Zero to Time of Last Measurable Concentration)959.41 ng*h/mLStandard Deviation 480.988
Hyzaar® (Reference)AUC0-t of Losartan(Area Under the Concentration-time Curve From Time Zero to Time of Last Measurable Concentration)939.492 ng*h/mLStandard Deviation 465.001
90% CI: [98.8, 106]
Primary

Cmax of Hydrochlorothiazide(Maximum Observed Concentration of Drug Substance in Plasma)

Bioequivalence based on Hydrochlorothiazide Cmax.

Time frame: Blood samples collected over a 48 hour period.

Population: All participants that completed the study had their samples analyzed.

ArmMeasureValue (MEAN)Dispersion
Losartan/HCTZ (Test)Cmax of Hydrochlorothiazide(Maximum Observed Concentration of Drug Substance in Plasma)136.361 ng/mLStandard Deviation 33.311
Hyzaar® (Reference)Cmax of Hydrochlorothiazide(Maximum Observed Concentration of Drug Substance in Plasma)132.717 ng/mLStandard Deviation 35.468
90% CI: [98.8, 108]
Primary

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

Bioequivalence based on Losartan Cmax.

Time frame: Blood samples collected over a 48 hour period.

Population: All participants that completed the study had their samples analyzed.

ArmMeasureValue (MEAN)Dispersion
Losartan/HCTZ (Test)Cmax of Losartan(Maximum Observed Concentration of Drug Substance in Plasma)458.29 ng/mLStandard Deviation 323.345
Hyzaar® (Reference)Cmax of Losartan(Maximum Observed Concentration of Drug Substance in Plasma)409.324 ng/mLStandard Deviation 251.876
90% CI: [98.1, 120]

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026