Effect of Acu-Transcutaneous Electrical Nerve Stimulation (TENS) on Post-Exercise Expiratory Flow Rate in Subjects With Asthma

January 16, 2009 updated by: The Hong Kong Polytechnic University

Effect of Acu-TENS on Post-Exercise Expiratory Flow Rate in Subjects With Asthma- A Randomized Controlled Trial

The objective of this study is to investigate the effectiveness of Acu-TENS (Transcutaneous electrical nerve stimulation applied on acupoints) on the post- exercise expiratory flow rate and exercise performance on the subjects with exercise.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Study Type

Interventional

Enrollment (Actual)

30

Phase

  • Not Applicable

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

  • Hong Kong
      • Hong Kong, Hong Kong
        • Cardiopulmonary and exercise physiology laboratory, The Hong Kong Polytechnic University

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:

  • Clinical diagnosis with asthma attending regular follow up at respiratory clinic

Exclusion Criteria:

  • Allergic to gel
  • Suffered from other neurological or cardiovascular or musculoskeletal disorders that may affect their exercise performance
  • Suffered from upper respiratory tract infection prior to the study

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: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: Single

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: Group 1
Applied Acu-TENS prior to exercise
Device: Transcutaneous electrical nerve stimulation (TENS)
Applied 45 minutes prior to exercise
Experimental: Group 2
Applied Acu-TENS prior to and during exercise
Device: Transcutaneous electrical nerve stimulation (TENS)
Applied 45 minutes prior to exercise
Placebo Comparator: Group 3
Applied placebo TENS prior to exercise
Device: placebo
placebo TENS applied prior to exercise

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Time Frame
Forced expiratory volume in one second (FEV1) and Forced vital capacity (FVC)
Time Frame: measured before exercise, immediately after exercise and at 20, 40 and 60 minutes post exercise
measured before exercise, immediately after exercise and at 20, 40 and 60 minutes post exercise

Secondary Outcome Measures

Outcome Measure
Time Frame
RPE, Exercise duration
Time Frame: immediately post exercise
immediately post exercise

Collaborators and Investigators

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

Sponsor

The Hong Kong Polytechnic University

Investigators

  • Principal Investigator: Alice Jones, PhD, FACP, Department of Rehabilitation Sciences, Hong Kong Polytechnic University

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, 2005

Primary Completion (Actual)

May 1, 2008

Study Completion (Actual)

May 1, 2008

Study Registration Dates

First Submitted

January 16, 2009

First Submitted That Met QC Criteria

January 16, 2009

First Posted (Estimate)

January 19, 2009

Study Record Updates

Last Update Posted (Estimate)

January 19, 2009

Last Update Submitted That Met QC Criteria

January 16, 2009

Last Verified

January 1, 2009

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • CRE-2004.362

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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