- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02472561
Verizon mHealth Solution for Patients With Peripheral Artery Disease (PAD)
Verizon mHealth Solution for Elderly Underserved Patients With Peripheral Artery Disease
The purpose of this study is to understand the effects that a three month lifestyle-based mobile health (mHealth) peripheral artery disease (PAD) prevention program will have on improving physical activity, fitness, important PAD risk factors and quality of life (QOL) in patients with PAD.
By testing a novel mHealth intervention focused on lifestyle modification, this trial will address a critical evidence gap in the care of PAD patients. PAD patients are not eligible for cardiac rehabilitation and therefore struggle with unhealthy lifestyles, and these patients currently have no lifestyle-based care strategies to help them. The results of this study have the potential to lead to new sustainable and resource-efficient, lifestyle-based preventive care strategies for patients with stable PAD.
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
This is a single-center, randomized trial designed to examine the hypothesis that a lifestyle-based mHealth peripheral artery disease (PAD) prevention program will improve physical activity, fitness, important PAD risk factors and quality of life (QOL).
The investigators may enroll up to 55 men and women being evaluated for leg pain from Duke PAD cardiovascular clinics or after lower extremity angioplasty in the Duke catheterization laboratory. Of the 55 men and women volunteers who may be initially consented, the investigators anticipate a portion (potentially 20%) may drop out during the study timeline, and approximately 45 are expected to complete this study. Following informed consent and baseline testing, the participants will be randomized (1.25:1.00) into either a mHealth (N=25) or usual care group (N=20) [for comparison] for a 12-week period. All patients will be evaluated for walking ability on a treadmill test, quality of life questionnaires, health literacy related to PAD and the most important risk factors specific to PAD (blood glucose if diabetic, daily physical activity and blood pressure).
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Locations
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North Carolina
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Durham, North Carolina, United States, 27705
- Duke University Medical Center
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Adequate clinical stability has been achieved in the judgment of the investigator to allow participation in study assessments and the intervention
- A history of stable intermittent claudication for >2 months, and an ABI <0.9 at rest
- No contraindications to exercise training
- All subjects will be on the recommended regimen of statin and antiplatelet therapy
- Signed informed consent document indicating that the patient understands the purpose of and procedures required for the study and is willing to participate in the study
Exclusion Criteria:
- Present or a past history of gangrene, impending limb loss or osteomyelitis
- Severe peripheral neuropathy
- Any condition other than PAD that limits walking for example arthritis or chronic obstructive pulmonary disease (COPD)
- Unstable angina, history of significant left main disease or three vessel coronary artery disease (>70% stenosis, unprotected by grafts) or recent myocardial infarction (less than eight weeks)
- Chest pain during treadmill exercise which appears before the onset of claudication, or 2 mm ST depression during exercise regardless of the results of tests for myocardial ischemia
- Refusal or inability to give informed consent or inability or unwillingness to comply with the study requirements.
- Dementia that precludes ability to participate in and follow study protocols
- Enrollment in a clinical trial not approved for co-enrollment.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: PREVENTION
- Allocation: RANDOMIZED
- Interventional Model: PARALLEL
- Masking: NONE
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
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Experimental: Mobile Health Application Group 1
Participants will wear a Fitbit Physical Activity Monitor to objectively quantify physical activity patterns.
Once a week (± 3 days) during the 12 week mHealth intervention patients will measure and download their blood pressure and blood glucose (if diabetic) by means of a mHealth blood pressure cuff and mHealth glucometer.
Medication adherence will be measured at baseline and 12-weeks by the Morisky Medication Adherence Scale-8 (MMAS-8) questionnaire.
Each participant will be provided with a electronic version of the book titled, "Your COMPLETE and EASY GUIDE to Understanding Peripheral Artery Disease"; patients will be asked to read approximately one chapter per week for educational purposes.
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Physical Activity: The study team will provide an individualized goal of total number of steps to attain daily and will be monitored using a Fitbit activity tracker.
The total daily step goal will be reviewed by study staff and modified at weeks 4 and 8.
Blood Glucose: The participant will monitor their fasting blood glucose once per week by using an mHealth Glucometer and mobile app.
Other Names:
Blood Pressure: The participant will monitor their blood pressure once per week by using an mHealth Blood Pressure cuff and mobile app.
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No Intervention: Usual Care Group 2
Participants will follow standard care as ordered by their individual, treating physician.
Each participant will be given a paperback copy of the book, "Your COMPLETE and EASY GUIDE to Understanding Peripheral Artery Disease".
All participants will be contacted by study personnel in order to schedule visits at baseline and 12-weeks for the outcome assessments.
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change in cardiovascular fitness level measured by change score analysis of peak Volume of Oxygen (pVO2mL/kg/min) consumption measured during a cardiopulmonary exercise test (CPET).
Time Frame: Baseline and 12-week
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peak VO2 mL/kg/min
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Baseline and 12-week
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Feasibility of this novel mobile health treatment strategy, as measured by patient satisfaction survey
Time Frame: 12-week
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Patient Satisfaction Survey
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12-week
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Implementation of this novel mobile health treatment strategy, as measured by patient satisfaction
Time Frame: 12-week
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Patient Satisfaction Survey
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12-week
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Change in physical activity patterns (steps, time and distance)
Time Frame: Baseline and 12-week
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Steps, time and distance per week
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Baseline and 12-week
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Change score analysis in Body Mass Index measurements
Time Frame: Baseline and 12-week
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Ratio of height to weight
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Baseline and 12-week
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Change score analysis in Blood Glucose measurements
Time Frame: Baseline and 12-week
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Fasting Plasma Glucose and Hemoglobin A1-C
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Baseline and 12-week
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Change in Medication Adherence scores as measured by the Morisky Medication Adherence Scale (MMAS-8)
Time Frame: Baseline and 12-week
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Baseline and 12-week
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Change in Quality of Life (QOL) scores on the Walking Impairment Questionnaire
Time Frame: Baseline and 12-week
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Baseline and 12-week
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Change in Peripheral Artery Disease (PAD) Health Aptitude scores on the Health Aptitude Questionnaire
Time Frame: Baseline and 12-week
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Baseline and 12-week
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Change in Smoking Habits scores on the PAD: Smoking Habit Questionnaire
Time Frame: Baseline and 12-week
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Baseline and 12-week
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Change score analysis in Systolic and Diastolic Blood Pressure measurements
Time Frame: Baseline and 12-week
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Baseline and 12-week
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Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Principal Investigator: Manesh R Patel, MD, Duke University
Study record dates
Study Major Dates
Study Start
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- Pro00059885
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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