Study to Evaluate the Efficacy and Safety of Aliskiren Alone and in Combination With Amlodipine in Essential Hypertension

June 2, 2011 updated by: Novartis Pharmaceuticals

An 8-week Double-blind, Multicenter, Randomized, Multifactorial, Placebo-controlled, Parallel-group Study to Evaluate the Efficacy and Safety of Aliskiren Administered Alone and in Combination With Amlodipine in Patients With Essential Hypertension

Evaluate the efficacy (blood pressure lowering effect) and safety of aliskiren alone and in combination with amlodipine in patients with essential hypertension.

Study Overview

Study Type

Interventional

Enrollment (Actual)

2694

Phase

  • Phase 3

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

      • Buenos Aires, Argentina
        • Investigative Site
      • Canberra, Australia
        • Invesigative Site
      • Toronto, Canada
        • Investigative Site
      • Bogota, Colombia
        • Investigative Site
      • Copenhagen, Denmark
        • Investigative Site
      • Oslo, Finland
        • Investigative Site
      • Athens, Greece
        • Investigative Site
      • Rome, Italy
        • Investigative Site
      • Mexico City, Mexico
        • Investigative Site
      • Panama City, Panama
        • Investigative Site
      • Lima, Peru
        • Investigative Site
      • Bucharest, Romania
        • Investigative Site
      • Moscow, Russian Federation
        • Investigative Site
      • Pretoria, South Africa
        • Investigative Site
      • Madrid, Spain
        • Investigative Site
      • Stockholm, Sweden
        • Investigative Site
      • Taipei, Taiwan
        • Investigative Site
    • New Jersey
      • East Hanover, New Jersey, United States
        • Investigative Site

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • msDBP ≥ 90 mmHg and < 110 mmHg at the visit prior to Visit 3 (Visit 2 or optional Visit 201)
  • msDBP ≥ 95 mmHg and < 110 mmHg at Visit 3 (Day 1 / randomization).
  • All patients must have an absolute difference of ≤ 10 mmHg in their msDBP during the last 2 visits of the single-blind run-in period (Visit 2 and 3 or Visits 201 and 3).

Exclusion Criteria:

  • Severe hypertension
  • Pregnant or nursing (lactating) women
  • Women of child-bearing potential
  • Previous or current diagnosis of heart failure (NYHA Class II-IV).
  • Serum potassium ≥ 5.3 mEq/L (mmol/L) at Visit 1.
  • Uncontrolled Type 1 or Type 2 diabetes mellitus
  • Hypersensitivity to renin inhibitors, calcium channel blockers, or to drugs with Similar chemical structures
  • History of malignancy within 5 years
  • History of hypertensive encephalopathy or cerebrovascular accident, or history of transient ischemic attack (TIA), myocardial infarction, coronary bypass surgery, or any percutaneous coronary intervention

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Randomized
  • Interventional Model: Factorial Assignment
  • Masking: Triple

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Placebo Comparator: Placebo
Each dose was to be taken orally with water at approximately 8:00 A.M., except on the morning of the next office/clinic visit, when the study medication was to be taken at the site after the visit procedures were completed. In order to adequately blind the study, patients were required to take a total of 4 tablets and 1 capsule of study medication throughout the study; 5 of the 5 pills taken were placebos.
Experimental: Aliskiren 150 mg tablet
Each dose was to be taken orally with water at approximately 8:00 A.M., except on the morning of the next office/clinic visit, when the study medication was to be taken at the site after the visit procedures were completed. In order to adequately blind the study, patients were required to take a total of 4 tablets and 1 capsule of study medication throughout the study; 4 of the 5 pills taken were placebos.
Experimental: Aliskiren 300 mg tablet
Each dose was to be taken orally with water at approximately 8:00 A.M., except on the morning of the next office/clinic visit, when the study medication was to be taken at the site after the visit procedures were completed. In order to adequately blind the study, patients were required to take a total of 4 tablets and 1 capsule of study medication throughout the study; 4 of the 5 pills taken were placebos.
Experimental: Amlodipine 5 mg capsule
Each dose was to be taken orally with water at approximately 8:00 A.M., except on the morning of the next office/clinic visit, when the study medication was to be taken at the site after the visit procedures were completed. In order to adequately blind the study, patients were required to take a total of 4 tablets and 1 capsule of study medication throughout the study; 4 of the 5 pills taken were placebos.
Experimental: Amlodipine 10 mg capsule
Each dose was to be taken orally with water at approximately 8:00 A.M., except on the morning of the next office/clinic visit, when the study medication was to be taken at the site after the visit procedures were completed. In order to adequately blind the study, patients were required to take a total of 4 tablets and 1 capsule of study medication throughout the study; 4 of the 5 pills taken were placebos. Amlodipine 10 mg arm starts with 1 week of Amlodipine 5 mg, then force titrated to 10 mg
Experimental: Aliskiren/amlodipine 150/5 mg tablet
Each dose was to be taken orally with water at approximately 8:00 A.M., except on the morning of the next office/clinic visit, when the study medication was to be taken at the site after the visit procedures were completed. In order to adequately blind the study, patients were required to take a total of 4 tablets and 1 capsule of study medication throughout the study; 4 of the 5 pills taken were placebos.
Experimental: Aliskiren/amlodipine 150/10 mg tablet
150/5 for 1 week, then up-titrated to 150/10 mg. Each dose was to be taken orally with water at approximately 8:00 A.M., except on the morning of the next office/clinic visit, when the study medication was to be taken at the site after the visit procedures were completed. In order to adequately blind the study, patients were required to take a total of 4 tablets and 1 capsule of study medication throughout the study; 4 of the 5 pills taken were placebos.
Experimental: Aliskiren/amlodipine 300/5 mg tablet
Each dose was to be taken orally with water at approximately 8:00 A.M., except on the morning of the next office/clinic visit, when the study medication was to be taken at the site after the visit procedures were completed. In order to adequately blind the study, patients were required to take a total of 4 tablets and 1 capsule of study medication throughout the study; 4 of the 5 pills taken were placebos.
Experimental: Aliskiren/amlodipine 300/10 mg tablet
300/5 for 1 week, then up-titrated to 300/10 mg. Each dose was to be taken orally with water at approximately 8:00 A.M., except on the morning of the next office/clinic visit, when the study medication was to be taken at the site after the visit procedures were completed. In order to adequately blind the study, patients were required to take a total of 4 tablets and 1 capsule of study medication throughout the study; 4 of the 5 pills taken were placebos.

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Pairwise Comparison of Aliskiren/Amlodipine 150/5 mg vs. Aliskiren 150 mg on Change in Mean Sitting Diastolic Blood Pressure (msDBP)
Time Frame: Baseline to end of study (Week 8)
The arm in which the highest sitting diastolic pressures were found at study entry was the arm used for all subsequent readings. An automated BP measurement device and appropriate size cuff were used to measure arterial sitting blood pressure (BP) at trough with the arm supported at the level of the heart. At each study visit, after having the patient in a sitting position for at least 5 minutes, diastolic BP were measured 3 times at 1-2 minute intervals. A mean was calculated from the 3 measurements.
Baseline to end of study (Week 8)
Pairwise Comparison of Aliskiren/Amlodipine 150/5 mg vs. Amlodipine 5 mg on Change in Mean Sitting Diastolic Blood Pressure (msDBP)
Time Frame: Baseline to end of study (Week 8)
The arm in which the highest sitting diastolic pressures were found at study entry was the arm used for all subsequent readings. An automated BP measurement device and appropriate size cuff were used to measure arterial sitting blood pressure (BP) at trough with the arm supported at the level of the heart. At each study visit, after having the patient in a sitting position for at least 5 minutes, diastolic BP were measured 3 times at 1-2 minute intervals. A mean was calculated from the 3 measurements.
Baseline to end of study (Week 8)
Pairwise Comparison of Aliskiren/Amlodipine 150/5 mg vs. Placebo on Change in Mean Sitting Diastolic Blood Pressure (msDBP)
Time Frame: Baseline to end of study (Week 8)
The arm in which the highest sitting diastolic pressures were found at study entry was the arm used for all subsequent readings. An automated BP measurement device and appropriate size cuff were used to measure arterial sitting blood pressure (BP) at trough with the arm supported at the level of the heart. At each study visit, after having the patient in a sitting position for at least 5 minutes, diastolic BP were measured 3 times at 1-2 minute intervals. A mean was calculated from the 3 measurements.
Baseline to end of study (Week 8)
Pairwise Comparison of Aliskiren/Amlodipine 150/10 mg vs. Aliskiren 150 mg on Change in Mean Sitting Diastolic Blood Pressure (msDBP)
Time Frame: Baseline to end of study (Week 8)
The arm in which the highest sitting diastolic pressures were found at study entry was the arm used for all subsequent readings. An automated BP measurement device and appropriate size cuff were used to measure arterial sitting blood pressure (BP) at trough with the arm supported at the level of the heart. At each study visit, after having the patient in a sitting position for at least 5 minutes, diastolic BP were measured 3 times at 1-2 minute intervals. A mean was calculated from the 3 measurements.
Baseline to end of study (Week 8)
Pairwise Comparison of Aliskiren/Amlodipine 150/10 mg vs. Amlodipine 10 mg on Change in Mean Sitting Diastolic Blood Pressure (msDBP)
Time Frame: Baseline to end of study (Week 8)
The arm in which the highest sitting diastolic pressures were found at study entry was the arm used for all subsequent readings. An automated BP measurement device and appropriate size cuff were used to measure arterial sitting blood pressure (BP) at trough with the arm supported at the level of the heart. At each study visit, after having the patient in a sitting position for at least 5 minutes, diastolic BP were measured 3 times at 1-2 minute intervals. A mean was calculated from the 3 measurements.
Baseline to end of study (Week 8)
Pairwise Comparison of Aliskiren/Amlodipine 150/10 mg vs. Placebo on Change in Mean Sitting Diastolic Blood Pressure (msDBP)
Time Frame: Baseline to end of study (Week 8)
The arm in which the highest sitting diastolic pressures were found at study entry was the arm used for all subsequent readings. An automated BP measurement device and appropriate size cuff were used to measure arterial sitting blood pressure (BP) at trough with the arm supported at the level of the heart. At each study visit, after having the patient in a sitting position for at least 5 minutes, diastolic BP were measured 3 times at 1-2 minute intervals. A mean was calculated from the 3 measurements.
Baseline to end of study (Week 8)
Pairwise Comparison of Aliskiren/Amlodipine 300/5 mg vs. Aliskiren 300 mg on Change in Mean Sitting Diastolic Blood Pressure (msDBP)
Time Frame: Baseline to end of study (Week 8)
The arm in which the highest sitting diastolic pressures were found at study entry was the arm used for all subsequent readings. An automated BP measurement device and appropriate size cuff were used to measure arterial sitting blood pressure (BP) at trough with the arm supported at the level of the heart. At each study visit, after having the patient in a sitting position for at least 5 minutes, diastolic BP were measured 3 times at 1-2 minute intervals. A mean was calculated from the 3 measurements.
Baseline to end of study (Week 8)
Pairwise Comparison of Aliskiren/Amlodipine 300/5 mg vs. Amlodipine 5 mg on Change in Mean Sitting Diastolic Blood Pressure (msDBP)
Time Frame: Baseline to end of study (Week 8)
The arm in which the highest sitting diastolic pressures were found at study entry was the arm used for all subsequent readings. An automated BP measurement device and appropriate size cuff were used to measure arterial sitting blood pressure (BP) at trough with the arm supported at the level of the heart. At each study visit, after having the patient in a sitting position for at least 5 minutes, diastolic BP were measured 3 times at 1-2 minute intervals. A mean was calculated from the 3 measurements.
Baseline to end of study (Week 8)
Pairwise Comparison of Aliskiren/Amlodipine 300/5 mg vs. Placebo on Change in Mean Sitting Diastolic Blood Pressure (msDBP)
Time Frame: Baseline to end of study (Week 8)
The arm in which the highest sitting diastolic pressures were found at study entry was the arm used for all subsequent readings. An automated BP measurement device and appropriate size cuff were used to measure arterial sitting blood pressure (BP) at trough with the arm supported at the level of the heart. At each study visit, after having the patient in a sitting position for at least 5 minutes, diastolic BP were measured 3 times at 1-2 minute intervals. A mean was calculated from the 3 measurements.
Baseline to end of study (Week 8)
Pairwise Comparison of Aliskiren/Amlodipine 300/10 mg vs. Aliskiren 300 mg on Change in Mean Sitting Diastolic Blood Pressure (msDBP)
Time Frame: Baseline to end of study (Week 8)
The arm in which the highest sitting diastolic pressures were found at study entry was the arm used for all subsequent readings. An automated BP measurement device and appropriate size cuff were used to measure arterial sitting blood pressure (BP) at trough with the arm supported at the level of the heart. At each study visit, after having the patient in a sitting position for at least 5 minutes, diastolic BP were measured 3 times at 1-2 minute intervals. A mean was calculated from the 3 measurements.
Baseline to end of study (Week 8)
Pairwise Comparison of Aliskiren/Amlodipine 300/10 mg vs. Amlodipine 10 mg on Change in Mean Sitting Diastolic Blood Pressure (msDBP)
Time Frame: Baseline to end of study (Week 8)
The arm in which the highest sitting diastolic pressures were found at study entry was the arm used for all subsequent readings. An automated BP measurement device and appropriate size cuff were used to measure arterial sitting blood pressure (BP) at trough with the arm supported at the level of the heart. At each study visit, after having the patient in a sitting position for at least 5 minutes, diastolic BP were measured 3 times at 1-2 minute intervals. A mean was calculated from the 3 measurements.
Baseline to end of study (Week 8)
Pairwise Comparison of Aliskiren/Amlodipine 300/10 mg vs. Placebo on Change in Mean Sitting Diastolic Blood Pressure (msDBP)
Time Frame: Baseline to end of study (Week 8)
The arm in which the highest sitting diastolic pressures were found at study entry was the arm used for all subsequent readings. An automated BP measurement device and appropriate size cuff were used to measure arterial sitting blood pressure (BP) at trough with the arm supported at the level of the heart. At each study visit, after having the patient in a sitting position for at least 5 minutes, diastolic BP were measured 3 times at 1-2 minute intervals. A mean was calculated from the 3 measurements.
Baseline to end of study (Week 8)

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Pairwise Comparison of Aliskiren/Amlodipine 150/5 mg vs. Aliskiren 150 mg on Change in Mean Sitting Systolic Blood Pressure (msSBP)
Time Frame: Baseline to end of study (Week 8)
The arm in which the highest sitting diastolic pressures were found at study entry was the arm used for all subsequent readings. An automated BP measurement device and appropriate size cuff were used to measure arterial sitting blood pressure (BP) at trough with the arm supported at the level of the heart. At each study visit, after having the patient in a sitting position for at least 5 minutes, systolic BP were measured 3 times at 1-2 minute intervals. A mean was calculated from the 3 measurements.
Baseline to end of study (Week 8)
Pairwise Comparison of Aliskiren/Amlodipine 150/5 mg vs. Amlodipine 5 mg on Change in Mean Sitting Systolic Blood Pressure (msSBP)
Time Frame: Baseline to end of study (Week 8)
The arm in which the highest sitting diastolic pressures were found at study entry was the arm used for all subsequent readings. An automated BP measurement device and appropriate size cuff were used to measure arterial sitting blood pressure (BP) at trough with the arm supported at the level of the heart. At each study visit, after having the patient in a sitting position for at least 5 minutes, systolic BP were measured 3 times at 1-2 minute intervals. A mean was calculated from the 3 measurements.
Baseline to end of study (Week 8)
Pairwise Comparison of Aliskiren/Amlodipine 150/5 mg vs. Placebo on Change in Mean Sitting Systolic Blood Pressure (msSBP)
Time Frame: Baseline to end of study (Week 8)
The arm in which the highest sitting diastolic pressures were found at study entry was the arm used for all subsequent readings. An automated BP measurement device and appropriate size cuff were used to measure arterial sitting blood pressure (BP) at trough with the arm supported at the level of the heart. At each study visit, after having the patient in a sitting position for at least 5 minutes, systolic BP were measured 3 times at 1-2 minute intervals. A mean was calculated from the 3 measurements.
Baseline to end of study (Week 8)
Pairwise Comparison of Aliskiren/Amlodipine 150/10 mg vs. Aliskiren 150 mg on Change in Mean Sitting Systolic Blood Pressure (mssBP)
Time Frame: Baseline to end of study (Week 8)
The arm in which the highest sitting diastolic pressures were found at study entry was the arm used for all subsequent readings. An automated BP measurement device and appropriate size cuff were used to measure arterial sitting blood pressure (BP) at trough with the arm supported at the level of the heart. At each study visit, after having the patient in a sitting position for at least 5 minutes, systolic BP were measured 3 times at 1-2 minute intervals. A mean was calculated from the 3 measurements.
Baseline to end of study (Week 8)
Pairwise Comparison of Aliskiren/Amlodipine 150/10 mg vs. Amlodipine 10 mg on Change in Mean Sitting Systolic Blood Pressure (msSBP)
Time Frame: Baseline to end of study (Week 8)
The arm in which the highest sitting diastolic pressures were found at study entry was the arm used for all subsequent readings. An automated BP measurement device and appropriate size cuff were used to measure arterial sitting blood pressure (BP) at trough with the arm supported at the level of the heart. At each study visit, after having the patient in a sitting position for at least 5 minutes, systolic BP were measured 3 times at 1-2 minute intervals. A mean was calculated from the 3 measurements.
Baseline to end of study (Week 8)
Pairwise Comparison of Aliskiren/Amlodipine 150/10 mg vs. Placebo on Change in Mean Sitting Systolic Blood Pressure (msSBP)
Time Frame: Baseline to end of study (Week 8)
The arm in which the highest sitting diastolic pressures were found at study entry was the arm used for all subsequent readings. An automated BP measurement device and appropriate size cuff were used to measure arterial sitting blood pressure (BP) at trough with the arm supported at the level of the heart. At each study visit, after having the patient in a sitting position for at least 5 minutes, systolic BP were measured 3 times at 1-2 minute intervals. A mean was calculated from the 3 measurements.
Baseline to end of study (Week 8)
Pairwise Comparison of Aliskiren/Amlodipine 300/5 mg vs. Aliskiren 300 mg on Change in Mean Sitting Systolic Blood Pressure (msSBP)
Time Frame: Baseline to end of study (Week 8)
The arm in which the highest sitting diastolic pressures were found at study entry was the arm used for all subsequent readings. An automated BP measurement device and appropriate size cuff were used to measure arterial sitting blood pressure (BP) at trough with the arm supported at the level of the heart. At each study visit, after having the patient in a sitting position for at least 5 minutes, systolic BP were measured 3 times at 1-2 minute intervals. A mean was calculated from the 3 measurements.
Baseline to end of study (Week 8)
Pairwise Comparison of Aliskiren/Amlodipine 300/5 mg vs. Amlodipine 5 mg on Change in Mean Sitting Systolic Blood Pressure (msSBP)
Time Frame: Baseline to end of study (Week 8)
The arm in which the highest sitting diastolic pressures were found at study entry was the arm used for all subsequent readings. An automated BP measurement device and appropriate size cuff were used to measure arterial sitting blood pressure (BP) at trough with the arm supported at the level of the heart. At each study visit, after having the patient in a sitting position for at least 5 minutes, systolic BP were measured 3 times at 1-2 minute intervals. A mean was calculated from the 3 measurements.
Baseline to end of study (Week 8)
Pairwise Comparison of Aliskiren/Amlodipine 300/5 mg vs. Placebo on Change in Mean Sitting Systolic Blood Pressure (msSBP)
Time Frame: Baseline to end of study (Week 8)
The arm in which the highest sitting diastolic pressures were found at study entry was the arm used for all subsequent readings. An automated BP measurement device and appropriate size cuff were used to measure arterial sitting blood pressure (BP) at trough with the arm supported at the level of the heart. At each study visit, after having the patient in a sitting position for at least 5 minutes, systolic BP were measured 3 times at 1-2 minute intervals. A mean was calculated from the 3 measurements.
Baseline to end of study (Week 8)
Pairwise Comparison of Aliskiren/Amlodipine 300/10 mg vs. Aliskiren 300 mg on Change in Mean Sitting Systolic Blood Pressure (msSBP)
Time Frame: Baseline to end of study (Week 8)
The arm in which the highest sitting diastolic pressures were found at study entry was the arm used for all subsequent readings. An automated BP measurement device and appropriate size cuff were used to measure arterial sitting blood pressure (BP) at trough with the arm supported at the level of the heart. At each study visit, after having the patient in a sitting position for at least 5 minutes, systolic BP were measured 3 times at 1-2 minute intervals. A mean was calculated from the 3 measurements.
Baseline to end of study (Week 8)
Pairwise Comparison of Aliskiren/Amlodipine 300/10 mg vs. Amlodipine 10 mg on Change in Mean Sitting Systolic Blood Pressure (msSBP)
Time Frame: Baseline to end of study (Week 8)
The arm in which the highest sitting diastolic pressures were found at study entry was the arm used for all subsequent readings. An automated BP measurement device and appropriate size cuff were used to measure arterial sitting blood pressure (BP) at trough with the arm supported at the level of the heart. At each study visit, after having the patient in a sitting position for at least 5 minutes, systolic BP were measured 3 times at 1-2 minute intervals. A mean was calculated from the 3 measurements.
Baseline to end of study (Week 8)
Pairwise Comparison of Aliskiren/Amlodipine 300/10 mg vs. Placebo on Change in Mean Sitting Systolic Blood Pressure (msSBP)
Time Frame: Baseline to end of study (Week 8)
The arm in which the highest sitting diastolic pressures were found at study entry was the arm used for all subsequent readings. An automated BP measurement device and appropriate size cuff were used to measure arterial sitting blood pressure (BP) at trough with the arm supported at the level of the heart. At each study visit, after having the patient in a sitting position for at least 5 minutes, systolic BP were measured 3 times at 1-2 minute intervals. A mean was calculated from the 3 measurements.
Baseline to end of study (Week 8)
Percentage of Patients With Blood Pressure Control (msSBP < 140 mm Hg and msDBP < 90 mm Hg) at End of Study
Time Frame: End of study (Week 8)
Blood pressure control defined as msSBP < 140 mm Hg and msDBP < 90 mm Hg. The arm in which the highest sitting diastolic pressures were found at study entry was the arm used for all subsequent readings. A calibrated sphygmomanometer and appropriate size cuff were used to measure arterial sitting blood pressure (BP) at trough with the arm supported at the level of the heart. At each study visit, after having the patient in a sitting position for at least 5 minutes, systolic/diastolic BP were measured 3 times at 1-2 minute intervals. A mean was calculated from the 3 measurements.
End of study (Week 8)
Percentage of Patients Achieving a Successful Diastolic Blood Pressure Response
Time Frame: End of study (Week 8)
Blood pressure response in msDBP is defined as a mean sitting diastolic blood pressure < 90 mmHg or a >=10 mmHg reduction from baseline. A calibrated sphygmomanometer and appropriate size cuff were used to measure arterial sitting blood pressure (BP) at trough with the arm supported at the level of the heart. At each study visit, after having the patient in a sitting position for at least 5 minutes, systolic/diastolic BP were measured 3 times at 1-2 minute intervals. A mean was calculated from the 3 measurements.
End of study (Week 8)
Percentage of Patients Achieving a Successful Systolic Blood Pressure Response
Time Frame: End of study (Week 8)
Blood pressure response in msSBP is defined as a mean sitting systolic blood pressure < 140 mmHg or a >= 20 mmHg reduction from baseline. A calibrated sphygmomanometer and appropriate size cuff were used to measure arterial sitting blood pressure (BP) at trough with the arm supported at the level of the heart. At each study visit, after having the patient in a sitting position for at least 5 minutes, systolic/diastolic BP were measured 3 times at 1-2 minute intervals. A mean was calculated from the 3 measurements.
End of study (Week 8)

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

September 1, 2008

Primary Completion (Actual)

May 1, 2009

Study Completion (Actual)

May 1, 2009

Study Registration Dates

First Submitted

August 20, 2008

First Submitted That Met QC Criteria

August 21, 2008

First Posted (Estimate)

August 22, 2008

Study Record Updates

Last Update Posted (Estimate)

June 6, 2011

Last Update Submitted That Met QC Criteria

June 2, 2011

Last Verified

June 1, 2011

More Information

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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