Intermittent Pneumatic Compression With and Without Exercise to Improve Functioning in Peripheral Artery Disease
NCT ID: NCT03871075
Last Updated: 2025-08-29
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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RECRUITING
NA
230 participants
INTERVENTIONAL
2019-01-02
2026-11-30
Brief Summary
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Detailed Description
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Conditions
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Study Design
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RANDOMIZED
PARALLEL
TREATMENT
TRIPLE
Study Groups
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IPC + exercise
Participants will be asked to wear the intermittent pneumatic compression device for up to three hours daily. They will be helped to engage in home-based walking exercise therapy.
intermittent pneumatic compression
Intermittent pneumatic compression is a non-invasive intervention, consisting of an air pump inside inflatable cuffs that are wrapped around the feet, ankles, and calves. The cuffs rapidly inflate to a pressure of 120 mm Hg, which is sustained for three seconds, followed by rapid deflation. Participants will be asked to wear the device for two hours daily. The device will inflate 180 times/hour.
exercise
Participants will be asked to walk for exercise five days/week, working up to 50 minutes of exercise per day. The intervention includes a) group meetings at the medical center with the coach and other PAD participants; b) regularly scheduled individual telephone check-in by the coach c) weekly remote monitoring by the coach; d) use of the activity monitor to monitor exercise intensity and duration.
IPC + "no exercise" control
Participants will be asked to wear the intermittent pneumatic compression device for up to three hours daily. They will be asked to participate in an educational/informational intervention consisting of an attention control intervention
intermittent pneumatic compression
Intermittent pneumatic compression is a non-invasive intervention, consisting of an air pump inside inflatable cuffs that are wrapped around the feet, ankles, and calves. The cuffs rapidly inflate to a pressure of 120 mm Hg, which is sustained for three seconds, followed by rapid deflation. Participants will be asked to wear the device for two hours daily. The device will inflate 180 times/hour.
Health Education
Participants attend health-education lectures and receive telephone calls at the same frequency as the exercise group. On-site lectures are delivered by faculty and staff at the medical center. Telephone calls review health-related handouts from the NIA website that are mailed in advance of the telephone call. Content does not include exercise information.
sham control + exercise
Participants will be asked to wear a sham intermittent pneumatic compression device for up to three hours daily. The sham device inflates at the same frequency, but to a much lower systolic pressure, compared to the therapeutic pneumatic compression device. Participants in this group will be helped to engage in home-based walking exercise therapy.
exercise
Participants will be asked to walk for exercise five days/week, working up to 50 minutes of exercise per day. The intervention includes a) group meetings at the medical center with the coach and other PAD participants; b) regularly scheduled individual telephone check-in by the coach c) weekly remote monitoring by the coach; d) use of the activity monitor to monitor exercise intensity and duration.
Sham device
The sham control device is a non-invasive intervention, consisting of an air pump inside inflatable cuffs that are wrapped around the feet, ankles, and calves. The cuffs rapidly inflate to a pressure of 25 mm Hg, which is sustained for three seconds, followed by rapid deflation. Participants will be asked to wear the device for two hours daily. The device will inflate 180 times/hour.
sham control + "no exercise" control
Participants will be asked to wear a sham intermittent pneumatic compression device for up to three hours daily. The sham device inflates at the same frequency, but to a much lower systolic pressure, compared to the therapeutic pneumatic compression device. Participants will be asked to participate in an educational/informational intervention, designed as an attention control group.
Sham device
The sham control device is a non-invasive intervention, consisting of an air pump inside inflatable cuffs that are wrapped around the feet, ankles, and calves. The cuffs rapidly inflate to a pressure of 25 mm Hg, which is sustained for three seconds, followed by rapid deflation. Participants will be asked to wear the device for two hours daily. The device will inflate 180 times/hour.
Health Education
Participants attend health-education lectures and receive telephone calls at the same frequency as the exercise group. On-site lectures are delivered by faculty and staff at the medical center. Telephone calls review health-related handouts from the NIA website that are mailed in advance of the telephone call. Content does not include exercise information.
Interventions
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intermittent pneumatic compression
Intermittent pneumatic compression is a non-invasive intervention, consisting of an air pump inside inflatable cuffs that are wrapped around the feet, ankles, and calves. The cuffs rapidly inflate to a pressure of 120 mm Hg, which is sustained for three seconds, followed by rapid deflation. Participants will be asked to wear the device for two hours daily. The device will inflate 180 times/hour.
exercise
Participants will be asked to walk for exercise five days/week, working up to 50 minutes of exercise per day. The intervention includes a) group meetings at the medical center with the coach and other PAD participants; b) regularly scheduled individual telephone check-in by the coach c) weekly remote monitoring by the coach; d) use of the activity monitor to monitor exercise intensity and duration.
Sham device
The sham control device is a non-invasive intervention, consisting of an air pump inside inflatable cuffs that are wrapped around the feet, ankles, and calves. The cuffs rapidly inflate to a pressure of 25 mm Hg, which is sustained for three seconds, followed by rapid deflation. Participants will be asked to wear the device for two hours daily. The device will inflate 180 times/hour.
Health Education
Participants attend health-education lectures and receive telephone calls at the same frequency as the exercise group. On-site lectures are delivered by faculty and staff at the medical center. Telephone calls review health-related handouts from the NIA website that are mailed in advance of the telephone call. Content does not include exercise information.
Other Intervention Names
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Eligibility Criteria
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Inclusion Criteria
Exclusion Criteria
2. Critical limb ischemia or ABI \< 0.30 in the setting of ischemic symptoms at rest or physical examination findings consistent with critical limb ischemia. Some potential participants with symptoms or signs of critical limb ischemia may be excluded at the principal investigator's discretion if the ABI is 0.30 or higher.
3. Wheelchair-bound.
4. Current foot ulcer on bottom of foot.
5. Walking is primarily limited by a symptom other than PAD.
6. Failure to successfully complete the study run-in.
7. Major surgery, revascularization, or orthopedic surgery in the past 3 months or planned in the next 12 months.
8. Major medical illness including Parkinson's Disease, lung disease requiring oxygen, cancer requiring treatment in the previous two years, or life-threatening illness with a life expectancy of less than six months. Participants who only use oxygen at night will be potentially eligible. \[NOTE: potential participants treated for cancer in the past two years may still qualify if they have had treatment for early stage cancer in the past two years and the prognosis is excellent. Potential participants treated for basal cell or squamous cell skin cancer will not be excluded.\]
9. Already exercising at a level consistent with exercise intervention. Current or recent participation in exercise rehabilitation (within the past three months).
10. Recently diagnosed (within the past three months) with acute lower extremity deep venous thrombosis, pulmonary embolism, or severe heart failure (i.e. New York Heart Association (NYHA) Class III or IV).
11. Mini-Mental Status Examination (MMSE) score \<23 or dementia.
12. Participation in or completion of a clinical trial in the previous three months.
13. Non-English speaking.
14. Increase in angina in the past month, angina at rest, or abnormal baseline treadmill stress test. Potential participants may become eligible after an abnormal baseline treadmill stress test if they have evidence of an absence of coronary ischemia based on testing (such as a stress test with imaging or a coronary angiogram) from a test performed with their own physician and if they do not have symptoms of unstable angina. The evidence of absent coronary ischemia, based on an imaging stress test or coronary angiogram, must have been performed within the previous year.
15. Ongoing infection of the toes, foot, or lower extremity.
16. Potential participants who started on cilostazol within the last three months. They may be evaluated for eligibility once three months have passed since beginning cilostazol.
17. Significant peripheral edema, defined as 3+ or greater edema severity, as determined by the principal investigator.
18. BMI \>45 kg/M2
19. Significant visual impairment that interferes with walking.
20. In addition to the above criteria, investigator discretion will be used to determine if the trial is unsafe or not a good fit for the potential participant.
55 Years
ALL
No
Sponsors
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National Institute on Aging (NIA)
NIH
Northwestern University
OTHER
Responsible Party
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Mary McDermott
Professor of Medicine
Principal Investigators
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Mary McDermott, MD
Role: PRINCIPAL_INVESTIGATOR
Northwestern Universtiy
Locations
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Northwestern University
Chicago, Illinois, United States
University of Chicago
Chicago, Illinois, United States
Henry Ford Health
Detroit, Michigan, United States
University of Minnesota
Minneapolis, Minnesota, United States
Countries
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Central Contacts
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Facility Contacts
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References
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Nayak P, Polonsky T, Tian L, Greenland P, Xu S, Zhang D, Zhao L, Criqui MH, Kibbe MR, Gladders B, Goodney P, Ho K, Guralnik JM, McDermott MM. Medical therapies, comorbid conditions, and functional performance in people with peripheral artery disease enrolled in clinical trials between 2004 and 2021. Vasc Med. 2023 Apr;28(2):144-146. doi: 10.1177/1358863X221145533. Epub 2023 Jan 1.
Other Identifiers
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STU00208245
Identifier Type: -
Identifier Source: org_study_id
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