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Efficacy and Safety of Valsartan/Hydrochlorothiazide Combination Therapy in Patients With Hypertension

A 28-week, Multicenter Study to Evaluate the Effects of Valsartan/Hydrochlorothiazide (160/12.5 mg) in Comparison With Hydrochlorothiazide (25 mg) Monotherapy, for the Treatment of Patients With Hypertension, Uncontrolled by Hydrochlorothiazide (12.5 mg) Monotherapy

Status
Completed
Phases
Phase 4
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT00277472
Enrollment
300
Registered
2006-01-16
Start date
2005-11-30
Completion date
Unknown
Last updated
2011-06-07

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

Conditions

Hypertension

Keywords

Hypertension, High blood pressure, diuretics, valsartan

Brief summary

This study will assess the efficacy and safety of valsartan/hydrochlorothiazide combination therapy in patients with hypertension not controlled with hydrochlorothiazide monotherapy.

Interventions

160/12.5 mg taken once daily orally

DRUGHCTZ

25 mg taken once daily orally

Sponsors

Novartis
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
DOUBLE (Subject, Investigator)

Eligibility

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

Inclusion criteria

* Male or female 18 years of age and older * Diagnosed as having hypertension (mean seated systolic blood pressure ≥ 150 mm Hg but \< 180 mm Hg and mean seated diastolic blood pressure ≥ 95 mm Hg and \<110 mm Hg

Exclusion criteria

* \- Patients with sever hypertension: Systolic ≥ 180 mm Hg or Diastolic ≥ 110 mm Hg * Diabetes with fasting glucose \> 126 mg/dl or on existing anti-diabetic medication * History of stroke, transient ischemic attack, or myocardial infarction within the last 6 months, or diagnosed with congestive heart failure. Other protocol-defined inclusion/

Design outcomes

Primary

MeasureTime frame
Blood pressure control (systolic blood pressure <140 and diastolic blood pressure <90mmHg) after 4 weeks
Blood pressure control (systolic blood pressure <140 and diastolic blood pressure <90mmHg) after 2 weeks and 20 weeks

Secondary

MeasureTime frame
Change from baseline in systolic blood pressure after 2 weeks and 4 weeks
Change from baseline in diastolic blood pressure after 2 weeks and 4 weeks
Change in systolic blood pressure at 20 weeks compared to 4 weeks
Change in diastolic blood pressure at 20 weeks compared to 4 weeks

Countries

United States

Outcome results

None listed

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