Cardiovascular Impact of Obstructive Sleep Apnea Treatment in Normotensive Patients (OSA-NORMO)

October 27, 2010 updated by: University of Sao Paulo

Cardiovascular Impact of Obstructive Sleep Apnea in Normotensive Patients and the Effects of Continuous Positive Airway Pressure

Recent evidences suggest that obstructive sleep apnea (OSA) can contribute to cardiovascular disease even in the absence of hypertension. However, there are few data regarding the impact of OSA on the preHypertension and Masked Hypertension in apparently normotensive patients with OSA as well as the impact of treatment with continuous positive airway pressure.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Study Type

Interventional

Enrollment (Actual)

36

Phase

  • Phase 4

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

  • Brazil
      • Sao Paulo, Brazil, 05403-904
        • Heart Institute (InCor)

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

30 years to 60 years (Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

Male

Description

Inclusion Criteria:

  • Severe OSA patients

Exclusion Criteria:

  • Smoking
  • Sustained Hypertension
  • Heart failure
  • Diabetes
  • Renal diseases
  • Under use of any medication
  • Under treatment for OSA

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: Parallel Assignment
  • Masking: Single

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Placebo Comparator: 1
Control group
Device: CPAP
Control - no treatment
Device: CPAP
CPAP: The airway pressure will be determined by an overnight sleep study titration.
Active Comparator: 2
CPAP
Device: CPAP
Control - no treatment
Device: CPAP
CPAP: The airway pressure will be determined by an overnight sleep study titration.

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Office Blood Pressure
Evaluation of PreHypertension

Secondary Outcome Measures

Outcome Measure
Measure Description
24 Hour Ambulatory Blood Pressure Monitoring
Evaluation of Masked Hypertension

Collaborators and Investigators

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

Sponsor

University of Sao Paulo

Collaborators

Fundação de Amparo à Pesquisa do Estado de São Paulo
Conselho Nacional de Desenvolvimento Científico e Tecnológico

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

August 1, 2008

Primary Completion (Actual)

March 1, 2010

Study Completion (Actual)

July 1, 2010

Study Registration Dates

First Submitted

August 25, 2008

First Submitted That Met QC Criteria

August 25, 2008

First Posted (Estimate)

August 26, 2008

Study Record Updates

Last Update Posted (Estimate)

October 28, 2010

Last Update Submitted That Met QC Criteria

October 27, 2010

Last Verified

August 1, 2008

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • 2431/04/051

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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