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Baltimore, Maryland 21201


The purpose of this study is to examine the effect of age and the effect of exercise intensity of rehabilitation programs on claudication pain symptoms and leg circulation of younger and older patients with intermittent claudication.

Study summary:

Thirty-one patients randomized to low-intensity exercise rehabilitation and 33 patients randomized to high-intensity exercise rehabilitation completed the study. The 6-month exercise rehabilitation programs consisted of intermittent treadmill walking to near maximal claudication pain three days per week at either 40% (low-intensity group) or 80% (high-intensity group) of maximal exercise capacity. Total work performed in the two training regimens was similar by having the patients in the low-intensity group exercise for a longer duration than patients in the high-intensity group. Measurements of physical function, peripheral circulation, and health-related quality of life were obtained on each patient before and after the rehabilitation programs.


Inclusion Criteria: - History of intermittent claudication - Exercise tolerance limited by intermittent claudication during a screening treadmill test - Ankle/brachial index (ABI) at rest less than 0.90 - Live independently at home Exclusion Criteria: - Absence of PAD (peripheral artery disease) - Asymptomatic PAD (Fontaine stage I) - Rest pain PAD (Fontaine stage III) - Exercise tolerance limited by factors other than claudication (e.g., coronary artery disease, dyspnea, poorly controlled blood pressure) - Active cancer, renal disease, or liver disease - Current use of pentoxifylline or cilostazol medications for the treatment of intermittent claudication



Primary Contact:

Principal Investigator
Andrew W. Gardner, PhD
University of Oklahoma

Backup Contact:


Location Contact:

Baltimore, Maryland 21201
United States

There is no listed contact information for this specific location.

Site Status: N/A

Data Source: ClinicalTrials.gov

Date Processed: February 04, 2019

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