Home-based vs. Supervised Exercise for People With Claudication
NCT ID: NCT00618670
Last Updated: 2018-04-02
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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COMPLETED
NA
135 participants
INTERVENTIONAL
2006-09-30
2016-09-30
Brief Summary
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Detailed Description
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We hypothesize that a home-based exercise program utilizing new physical activity monitoring technology that can accurately quantify exercise adherence as well as the intensity, duration, and volume of exercise sessions will result in similar changes in ambulatory function, vascular function, and health-related quality of life compared to a standard, supervised exercise program. Further, both the home-based and supervised exercise rehabilitation programs will result in greater changes in ambulatory function, vascular function, and health-related quality of life than a light resistance training exercise program. Finally, we hypothesize that the changes in walking efficiency, calf muscle circulation, and calf muscle oxygen will each be predictive of improved ambulation following the home-based exercise program as well as the supervised exercise program.
The 3-month program will consist of walking 3 times per week, with progressive increases in duration and intensity. The two walking exercise programs will be matched on the estimated caloric expenditure during the training sessions. Patients in the control group will perform light resistance training without any walking exercise.
Conditions
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Study Design
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RANDOMIZED
PARALLEL
TREATMENT
SINGLE
Study Groups
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1
Home-based program with progressive increases in exercise duration and intensity (i.e., cadence); walking duration will be longer for the home-based group because the intensity of walking will be lower than the graded treadmill walking performed by the supervised group
Walking Exercise
Three times per week for 3 months
2
Supervised program consisting of graded treadmill walking, with progressive increments in exercise duration from 15 to 40 minutes, and progressive increments in exercise intensity from 50 to 70% of exercise capacity
Walking Exercise
Three times per week for 3 months
3
Light resistance training without any walking exercise
Control--Resistance Training
Three times per week for 3 months
Interventions
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Walking Exercise
Three times per week for 3 months
Control--Resistance Training
Three times per week for 3 months
Eligibility Criteria
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Inclusion Criteria
* Exercise limited by intermittent claudication during a screening treadmill test using the Gardner protocol
* Ankle/brachial index (ABI) less than 0.90 at rest, which decreases to less than 0.73 immediately following the treadmill exercise test
Exclusion Criteria
* Asymptomatic PAD (Fontaine stage I)
* Rest pain due to PAD (Fontaine stage III)
* Tissue loss due to PAD (Fontaine stage IV)
* Medical conditions that are contraindicative for exercise according to the American College of Sports Medicine (e.g., acute myocardial infarction, unstable angina, etc.)
* Cognitive dysfunction (mini-mental state examination score less than 24)
35 Years
100 Years
ALL
No
Sponsors
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Oklahoma Center for the Advancement of Science and Technology
OTHER
National Institute on Aging (NIA)
NIH
University of Oklahoma
OTHER
Responsible Party
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Principal Investigators
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Andrew W Gardner, PhD
Role: PRINCIPAL_INVESTIGATOR
University of Oklahoma
Locations
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General Clinical Research Center, University of Oklahoma Health Sciences Center
Oklahoma City, Oklahoma, United States
Countries
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References
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Gardner AW, Poehlman ET. Exercise rehabilitation programs for the treatment of claudication pain. A meta-analysis. JAMA. 1995 Sep 27;274(12):975-80.
Gardner AW, Katzel LI, Sorkin JD, Bradham DD, Hochberg MC, Flinn WR, Goldberg AP. Exercise rehabilitation improves functional outcomes and peripheral circulation in patients with intermittent claudication: a randomized controlled trial. J Am Geriatr Soc. 2001 Jun;49(6):755-62. doi: 10.1046/j.1532-5415.2001.49152.x.
Gardner AW, Katzel LI, Sorkin JD, Goldberg AP. Effects of long-term exercise rehabilitation on claudication distances in patients with peripheral arterial disease: a randomized controlled trial. J Cardiopulm Rehabil. 2002 May-Jun;22(3):192-8. doi: 10.1097/00008483-200205000-00011.
Gardner AW, Killewich LA, Montgomery PS, Katzel LI. Response to exercise rehabilitation in smoking and nonsmoking patients with intermittent claudication. J Vasc Surg. 2004 Mar;39(3):531-8. doi: 10.1016/j.jvs.2003.08.037.
Gardner AW, Montgomery PS, Flinn WR, Katzel LI. The effect of exercise intensity on the response to exercise rehabilitation in patients with intermittent claudication. J Vasc Surg. 2005 Oct;42(4):702-9. doi: 10.1016/j.jvs.2005.05.049.
Gardner AW, Montgomery PS, Wang M, Liang M. Effects of Long-Term Home Exercise in Participants With Peripheral Artery Disease. J Am Heart Assoc. 2023 Nov 7;12(21):e029755. doi: 10.1161/JAHA.122.029755. Epub 2023 Nov 6.
Gardner AW, Parker DE, Montgomery PS. Changes in vascular and inflammatory biomarkers after exercise rehabilitation in patients with symptomatic peripheral artery disease. J Vasc Surg. 2019 Oct;70(4):1280-1290. doi: 10.1016/j.jvs.2018.12.056. Epub 2019 Mar 25.
Gardner AW, Parker DE, Montgomery PS. Predictors of Improved Walking after a Supervised Walking Exercise Program in Men and Women with Peripheral Artery Disease. Int J Vasc Med. 2016;2016:2191350. doi: 10.1155/2016/2191350. Epub 2016 Dec 25.
Gardner AW, Parker DE, Montgomery PS. Sex-specific predictors of improved walking with step-monitored, home-based exercise in peripheral artery disease. Vasc Med. 2015 Oct;20(5):424-31. doi: 10.1177/1358863X15596237. Epub 2015 Aug 3.
Gardner AW, Parker DE, Montgomery PS, Blevins SM. Step-monitored home exercise improves ambulation, vascular function, and inflammation in symptomatic patients with peripheral artery disease: a randomized controlled trial. J Am Heart Assoc. 2014 Sep 18;3(5):e001107. doi: 10.1161/JAHA.114.001107.
Gardner AW, Alaupovic P, Parker DE, Montgomery PS, Esponda OL, Casanegra AI. Influence of peripheral artery disease and statin therapy on apolipoprotein profiles. Int J Vasc Med. 2013;2013:548764. doi: 10.1155/2013/548764. Epub 2013 Sep 11.
Gardner AW, Parker DE, Montgomery PS, Scott KJ, Blevins SM. Efficacy of quantified home-based exercise and supervised exercise in patients with intermittent claudication: a randomized controlled trial. Circulation. 2011 Feb 8;123(5):491-8. doi: 10.1161/CIRCULATIONAHA.110.963066. Epub 2011 Jan 24.
Other Identifiers
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AG0095
Identifier Type: -
Identifier Source: org_study_id
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