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Efficacy of Valsartan/Hydrochlorothiazide Versus Amlodipine and Hydrochlorothiazide in Patients Hypertension

A 10-week Multicenter,Forced-titration Study Using 24-hr ABPM to Evaluate the Efficacy of Valsartan/Hydrochlorothiazide (HCTZ) Treatment Regimen vs Conventional Treatment Regimen With Amlodipine and Hydrochlorothiazide (HCTZ) in Patients With Stage 2 Hypertension

Status
Completed
Phases
Phase 4
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT00425997
Enrollment
480
Registered
2007-01-24
Start date
2006-12-31
Completion date
2007-10-31
Last updated
2011-06-08

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

Conditions

Hypertension

Keywords

Hypertension, valsartan/HCTZ, amlodipine and HCTZ

Brief summary

This study will evaluate the efficacy of valsartan/hydrochlorothiazide versus amlodipine and hydrochlorothiazide in patients with Stage 2 hypertension using 24-hr ambulatory blood pressure monitoring (ABPM)

Interventions

DRUGamlodipine
DRUGHCTZ

Sponsors

Novartis
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
DOUBLE

Eligibility

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

Inclusion criteria

* Male or female patients 18 years of age or older * Diagnosed of having hypertension, defined as a mean seated systolic BP ≥160 mmHg (Stage 2 hypertension)

Exclusion criteria

* Symptomatic or severe hypertension * Patients treated with more than 2 antihypertensive medications * Clinically known or suspected history of secondary hypertension * Myocardial infarction, stroke, transient ischemic attack, cardiovascular revascularization/angioplasty in last 6 months * Diagnosis of heart failure (NYHA Class II-IV) * Chronic renal or severe hepatic disease

Design outcomes

Primary

MeasureTime frame
-Change from baseline in mean 24-hr ambulatory systolic blood pressure (BP) after 10 weeks of treatment of valsartan/HCTZ versus amlodipine and HCTZ

Secondary

MeasureTime frame
change from baseline in mean 24-hr ambulatory diastolic BP and pulse pressure after 10 weeks of treatment of valsartan/HCTZ versus amlodipine and HCTZ
Change from baseline in mean seated systolic and diastolic BP after 10 weeks of treatment of valsartan/HCTZ versus amlodipine and HCTZ
Compare the proportion of patients achieving blood pressure goal and tolerability after 10 weeks of treatment of valsartan/HCTZ versus amlodipine and HCTZ

Countries

United States

Outcome results

None listed

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