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

A 6-week Treatment Regimen Study to Evaluate the Efficacy of Initial High Dose Valsartan Monotherapy (160 mg) or Combo Therapy (Valsartan + Hydrochlorothiazide, 160/12.5 mg) to Conventional Low-dose Valsartan Monotherapy (80 mg) in Managing Patients With Hypertension

Status
Completed
Phases
Phase 4
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT00280540
Enrollment
648
Registered
2006-01-23
Start date
2005-12-31
Completion date
Unknown
Last updated
2010-11-09

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, Blood pressure control, Blood pressure reduction, Valsartan

Brief summary

This is a double-blind study to evaluate the reduction in systolic blood pressure using a therapy initiated with valsartan 160 mg or valsartan + hydrochlorothiazide (HCTZ) 160/12.5 mg compared to a more conventional approach (therapy initiated with low-dose valsartan 80 mg).

Interventions

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

Inclusion criteria

* Male or female age 18 or older * Diagnosed as having hypertension (mean seated systolic blood pressure ≥ 150 mm Hg but \< 180 mm Hg and mean seated diastolic blood pressure ≥ 90 mm Hg and \<110 mm Hg)

Exclusion criteria

* Patients with severe hypertension: Systolic ≥ 180 mm Hg or Diastolic ≥ 110 mm Hg * History of secondary hypertension (including primary aldosteronism, renovascular hypertension, pheochromocytoma etc.) * History of myocardial infarction, stroke \[e.g. cerebrovascular accident (CVA), thrombotic stroke, transient ischemic attack (TIA)\], or onset of heart failure within the last 6 months. Other protocol-defined inclusion/

Design outcomes

Primary

MeasureTime frame
Change from baseline systolic blood pressure after 4 weeks
Change from baseline systolic blood pressure after 2 and 6 weeks

Secondary

MeasureTime frame
Time in weeks to achieve blood pressure less than 140/90 mmHg over 6 week period
Blood pressure less than 140/90 mmHg after 6 weeks
Change from baseline diastolic blood pressure after 6 weeks
Change from baseline in blood and urine markers after 6 weeks

Countries

United States

Outcome results

None listed

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