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Compare Effectiveness of Eplerenone vs Atenolol in Reversing the Remodelling Resistance Arteries in Subjects With HT

This study has been completed.
Information provided by:
Pfizer Identifier:
First received: September 2, 2005
Last updated: April 14, 2008
Last verified: May 2007
To investigate the impact of antihypertensive therapy with the selective mineralocorticoid receptor blocker, eplerenone, on small resistance artery remodeling, compared to the effect of equivalent blood pressure control achieved with a b-blocker, atenolol.

Condition Intervention Phase
Drug: Eplerenone
Phase 4

Study Type: Interventional
Study Design: Allocation: Non-Randomized
Endpoint Classification: Efficacy Study
Intervention Model: Parallel Assignment
Masking: Double-Blind
Primary Purpose: Treatment
Official Title: A Double-Blind, Parallel Design Study to Compare the Effectiveness of Eplerenone Versus Atenolol in Reversing the Remodeling of Resistance Arteries in Subjects With Mild to Moderate Primary Hypertension

Resource links provided by NLM:

Further study details as provided by Pfizer:

Primary Outcome Measures:
  • The change from baseline to week 52 in the media/lumen ratio and the maximum % relaxation response to acetylcholine of gluteal subcutaneous resistance vessels, measured from the gluteal biopsy.

Secondary Outcome Measures:
  • Will be done for both the Intent to Treat and per protocol populations, and use both the LOCF and OC methods

Estimated Enrollment: 34
Study Start Date: October 2003
Primary Completion Date: May 2006 (Final data collection date for primary outcome measure)

Ages Eligible for Study:   30 Years to 70 Years   (Adult, Senior)
Genders Eligible for Study:   Both
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • Pt with essential hypertension who have never been treated or untreated within the previous 6 months

Exclusion Criteria:

  • History of Malignant Hypertension
  • Sitting diastolic blood pressure > 115mmHg or sitting Systolic blood pressure > 200mmHg
  Contacts and Locations
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Please refer to this study by its identifier: NCT00147563

Canada, Quebec
Pfizer Investigational Site
Montreal, Quebec, Canada, H2W 1R7
Sponsors and Collaborators
Study Director: Pfizer Call Center Pfizer
  More Information

Additional Information:
Publications automatically indexed to this study by Identifier (NCT Number): Identifier: NCT00147563     History of Changes
Obsolete Identifiers: NCT00260845
Other Study ID Numbers: EPLA-0501-077  A6141016 
Study First Received: September 2, 2005
Last Updated: April 14, 2008
Health Authority: United States: Food and Drug Administration

Additional relevant MeSH terms:
Vascular Diseases
Cardiovascular Diseases
Anti-Arrhythmia Agents
Antihypertensive Agents
Autonomic Agents
Peripheral Nervous System Agents
Physiological Effects of Drugs
Adrenergic beta-1 Receptor Antagonists
Adrenergic beta-Antagonists
Adrenergic Antagonists
Adrenergic Agents
Neurotransmitter Agents
Molecular Mechanisms of Pharmacological Action
Mineralocorticoid Receptor Antagonists
Hormone Antagonists
Hormones, Hormone Substitutes, and Hormone Antagonists
Diuretics, Potassium Sparing
Natriuretic Agents processed this record on October 26, 2016