The purpose of this study is to investigate whether the self-management of diabetes and hypertension can be improved with the use of mobile monitoring devices and nursing support.
EXpanding Technology-Enabled, Nurse-Delivered Chronic Disease Care (EXTEND) seeks to address evidence gaps that prevent practical use of mobile monitoring-enabled telehealth for clinic-refractory chronic diseases, with an initial focus on Persistent Poorly Controlled Diabetes Mellitus (PPDM) and hypertension. Because our population has already proven refractory to usual care, we will conduct an active comparator randomized trial (N=220) of two 12-month interventions: 1) mobile monitoring as a self-management tool (EXTEND); and 2) a nurse-delivered intervention incorporating mobile monitoring, self-management support, and medication management (EXTEND Plus). The medication management is a care team approach where the nurse works with a Pharmacist who has prescribing rights to optimize medications for the patients. This proposal will also allow us to examine a novel application for mobile monitoring technologies, as tools for predicting patient safety events. Aim 1: Compare the effectiveness of the two 12-month EXTEND interventions for PPDM and hypertension. Hypothesis 1a: Compared to EXTEND, EXTEND Plus will improve primary (HbA1c) and secondary outcomes (e.g., blood pressure, weight, self-management measures) at 12 months; Hypothesis 1b: The relative effects of each intervention will be sustained at 24 months; Hypothesis 1c: Subgroup analyses will identify characteristics associated with high responsiveness to each intervention. Aim 2: Guide scaling and dissemination of the EXTEND interventions by: (A) interviewing patients and stakeholders to clarify implementation barriers, facilitators and process requirements; (B) comparing intervention costs against potential reimbursement mechanisms; and (C) understanding the role of climate change and other social drivers of health on diabetes self-management and intervention engagement. Aim 3: Explore the value of combining mobile monitoring and EHR data for predicting patient safety events (hospitalizations, emergency visits) in the EXTEND study cohort over 24 months. Participants will monitor their data using a suite of remote monitoring devices. Data will be analyzed with PACE by our team. If participants are randomized to the telehealth arm, these data will be reviewed by a RN during a telehealth visit to aid in clinical decision making.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
HEALTH_SERVICES_RESEARCH
Masking
SINGLE
Enrollment
220
The EXTEND Plus approach builds patient self-management capacity by focusing on knowledge, self-efficacy, and goal setting (using an RN-delivered, module-based approach). All material is at an 8th grade reading level. Module topics include, but are not limited to, use of self-monitoring of blood glucose (SMBG), BP monitoring, developing a diet plan, medication adherence, hypoglycemia and hypotension self-management, and self-managing insulin. In addition, this intervention component addresses diet and activity self-management during each encounter.
EXTEND patients self-manage using data they collect during the study, and continue to receive standard behavioral counseling from primary providers.
Duke University Medical Center
Durham, North Carolina, United States
Change in HbA1c
Change in blood sugar (glucose) attached to hemoglobin. Validated point-of-care or lab-based test.
Time frame: Baseline, 3, 6, 9, 12, 18 and 24 months
Change in blood pressure
Measure taken at clinic with standard arm cuff. Measurement is the average of two readings, on the same arm, taken 10 minutes apart.
Time frame: Baseline, 3, 6, 9, 12, 18 and 24 months
Change in weight
Measurement taken with lab scale, when patient is lightly clothed, shoes off.
Time frame: Baseline, 3, 6, 9, 12, 18 and 24 months
Change is Diabetes Distress Scale
Measure of diabetes distress and burden using the Diabetes Distress Scale (DDS): 17 items, Scale 1-6. Scoring: Average. Higher score indicates higher distress level.
Time frame: Baseline, 6, 12, 18 and 24 months
Change in Diabetes Self-Management Questionnaire
Measure of diabetes self-care. Diabetes Self-Management Questionnaire (DSMQ): 16 items, Scale 0-3. Scoring: Sum and transform to fall between 0-10. Higher score indicates more effective self-care.
Time frame: Baseline, 6, 12, 18 and 24 months
Change in Perceived Competence Scale
Measure of diabetes self-efficacy and capacity. Perceived Competence Scale (PCS): 4 items, Scale 1-7. Scoring: average (1-7) Higher score indicates greater self-efficacy.
Time frame: Baseline, 6, 12, 18 and 24 months
Change in medication non-adherence
Validated self-report measure using Voils' medication non-adherence measure.
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Time frame: Baseline, 6, 12, 18 and 24 months
Change in diabetes knowledge
Diabetes Knowledge Questionnaire (DKQ) is a 24-item validated measure.
Time frame: Baseline, 6, 12, 18 and 24 months
Change in hypertension knowledge
Hypertension Knowledge Measure (HKM) is an 11-item validated measure.
Time frame: Baseline, 6, 12, 18 and 24 months