Study of Atenolol Influence on Blood Pressure During Resistance Exercise

December 14, 2009 updated by: University of Sao Paulo

Blood Pressure Response During Resistance Exercise in Hypertensives: Influence of Beta-blockers

The study was designed to investigate if atenolol is able to blunt blood pressure increase during resistance exercise in hypertensive subjects.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Detailed Description

The study compared intra-arterial blood pressure responses during leg-extension resistance exercise performed to fatigue at 40, 80 and 100% of 1 RM in hypertensive patients receiving placebo (first) and atenolol (second) on a single blind manner.

Study Type

Interventional

Enrollment (Actual)

10

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
      • São Paulo, Brazil, 05508030
        • University of Sao Paulo

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

All

Description

Inclusion Criteria:

  • hypertension with blood pressure levels below 160/105 mmHg under placebo.
  • age between 30 and 60 years
  • nonobese

Exclusion Criteria:

  • target organ lesion
  • cardiovascular risk factor
  • cardiovascular disease
  • physically active

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: Supportive Care
  • Allocation: Non-Randomized
  • Interventional Model: Crossover Assignment
  • Masking: Single

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: atenolol
subjects received 6 weeks of atenolol
Drug: atenolol
25 mg/day, twice a day for 6 weeks
Other Names:
  • beta-blockers

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Time Frame
blood pressure during resistance exercise
Time Frame: 6 weeks
6 weeks

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

Investigators

  • Principal Investigator: Cláudia LM Forjaz, PhD, University of Sao Paulo
  • Study Chair: Decio Mion Jr, PhD, University of Sao Paulo

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

May 1, 2007

Primary Completion (Actual)

May 1, 2009

Study Completion (Actual)

May 1, 2009

Study Registration Dates

First Submitted

December 8, 2009

First Submitted That Met QC Criteria

December 9, 2009

First Posted (Estimate)

December 10, 2009

Study Record Updates

Last Update Posted (Estimate)

December 15, 2009

Last Update Submitted That Met QC Criteria

December 14, 2009

Last Verified

May 1, 2009

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • FAPESP-06/06356-8

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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