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Safety/Efficacy of Combo Therapy With Aliskiren & Hydrochlorothiazide vs Therapy With Hydrochlorothiazide Alone in Patients With Hypertension

This study has been completed.
Information provided by:
Novartis Identifier:
First received: October 11, 2006
Last updated: February 3, 2017
Last verified: February 2017
The purpose of this trial is to evaluate the safety and efficacy of combination therapy of aliskiren/hydrochlorothiazide (HCTZ) 150/25 mg and 300/25 mg compared with HCTZ 25 mg in patients with hypertension who do not show response to HCTZ 25 mg over a 4-week period.

Condition Intervention Phase
Hypertension Drug: Aliskiren/HCTZ Phase 3

Study Type: Interventional
Study Design: Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Double
Primary Purpose: Treatment
Official Title: An Eight-week Multicenter Study to Evaluate the Efficacy and Safety of the Combination of Aliskiren / HCTZ (150/25 mg and 300/25 mg) in Comparison With HCTZ 25 mg in Patients With Essential Hypertension Not Adequately Responsive to HCTZ 25 mg Monotherapy

Resource links provided by NLM:

Further study details as provided by Novartis:

Primary Outcome Measures:
  • Mean sitting diastolic blood pressure lowering effect at baseline, and week 8.

Secondary Outcome Measures:
  • Mean sitting systolic blood pressure (msDBP) lowering from baseline to week 8
  • Safety and tolerability
  • Proportion of patients achieving a blood pressure control target at week 8

Estimated Enrollment: 726
Study Start Date: October 2006
Study Completion Date: August 2007
Primary Completion Date: August 2007 (Final data collection date for primary outcome measure)

Ages Eligible for Study:   18 Years and older   (Adult, Senior)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • Male or female outpatients 18 years old or older.
  • Patients with a diagnosis of hypertension defined as follows:

    • Newly diagnosed patients or patients who have not been treated for hypertension within the 4 weeks prior to Visit 1 must have a msDBP >= mmHg and < 110 mmHg at Visit 1.
    • All patients who have been treated for hypertension within the 4 weeks prior to Visit 1 must have a msDBP >= 85 mmHg and < 110 mmHg at Visit 2.
    • All patients must have a msDBP >= 90 mmHg and < 110 mmHg at Visit 5.
  • Patients who are eligible and consent to participate in the study

Exclusion Criteria:

  • Severe hypertension (msDBP >= 110 mmHg and/or MSSBP >=180 mmHg).
  • Previous or current diagnosis of heart failure.
  • History of hypertensive encephalopathy or cerebrovascular accident, transient ischemic cerebral attack, myocardial infarction, coronary bypass surgery, or any percutaneous coronary intervention.
  • Other protocol-defined inclusion/exclusion criteria may apply
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Please refer to this study by its identifier: NCT00387517

United States, New Jersey
Novartis Pharmaceuticals
East Hanover, New Jersey, United States, 07936
Investigative Centers, Germany
Sponsors and Collaborators
Study Director: Novartis Pharmaceuticals Novartis Pharmaceuticals
  More Information

Additional Information:
Responsible Party: Novartis Identifier: NCT00387517     History of Changes
Other Study ID Numbers: CSPP100A2333
Study First Received: October 11, 2006
Last Updated: February 3, 2017

Keywords provided by Novartis:
blood pressure

Additional relevant MeSH terms:
Vascular Diseases
Cardiovascular Diseases
Antihypertensive Agents
Natriuretic Agents
Physiological Effects of Drugs
Sodium Chloride Symporter Inhibitors
Membrane Transport Modulators
Molecular Mechanisms of Pharmacological Action processed this record on August 22, 2017