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| ID | Type | Description | Link |
|---|---|---|---|
| R01DK133265 | U.S. NIH Grant/Contract | View source |
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| Name | Class |
|---|---|
| Baystate Health | OTHER |
| National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) | NIH |
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Continuous glucose monitoring (CGM) can help improve blood sugar management in type 2 diabetes. A sequential, multiple assignment, randomized trial will evaluate clinical pharmacists, community health workers, and telehealth in supporting CGM use to improve blood sugar control.
Continuous glucose monitoring (CGM) has demonstrable benefits for people living with diabetes, including improvement in diabetes control and reduction in hypoglycemia. Randomized controlled trials have demonstrated that CGM can reduce hemoglobin A1c (HbA1c) and increase in the time in range metric. Little is known about CGM use in the broader population with type 2 diabetes (T2DM) in low-income, minority populations not receiving insulin therapy. This proposed study will rigorously evaluate CGM in a diverse and vulnerable population with T2DM in the primary care setting. The proposed study will integrate CGM into the study team's previously studied approach of mobile health (mHealth) diabetes management. The investigators prior research has leveraged mHealth tools and a community health worker (CHW)/clinical pharmacist team to manage low-income, minority populations with T2DM. Clinical pharmacists embedded in the healthcare system review patient glucose levels, promote medication adherence and collaboratively adjust therapy to help patients reach HbA1c goals. CHWs augment pharmacist-led efforts and address social determinants of health and provide individualized, contextual self-management support. In partnership with Baystate Community Health Centers and UMass Memorial Health, the investigators propose an effectiveness study of team-supported CGM using a Sequential Multiple Assignment Randomized Trial (SMART) study design. The investigators plan to study a diverse population with 318 T2DM patients receiving pharmacist- and CHW-supported CGM delivered through community health centers in Massachusetts. The Specific Aims include: (1) Conduct a randomized, controlled trial to evaluate the effectiveness of pharmacist-supported CGM in a diverse patient population with T2DM in the primary care setting. The investigators hypothesize that pharmacist-supported CGM will result in improved HbA1c, CGM metrics, and other secondary outcomes (e.g., quality of life) at 6 months compared with pharmacist-only care; (2) Re-randomize patients not at HbA1c goal after 6 months to receive or not receive CHW support beyond pharmacist-supported CGM. The investigators hypothesize that adding CHWs will result in improved HbA1c, CGM metrics, and other secondary outcomes at 12 months compared with pharmacist-supported CGM alone; (3) Evaluate reach, effectiveness, adoption, implementation, and maintenance using the RE-AIM framework; and (4) Determine total cost and cost-effectiveness of CGM and the supportive components (e.g., clinical pharmacist and CHW) from the perspective of the healthcare organization. If this team support model of diabetes care is found to be cost-effective, such evidence may influence insurance restrictions on ambulatory CGM coverage in T2DM.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Pharmacist Only | Active Comparator | Participants will receive clinical pharmacist management of diabetes. Those participants who meet their HbA1c goal at 6 months will continue with maintenance diabetes management. This includes routine primary care with the primary care provider, routine medication management, and traditional home glucose monitoring. For those not meeting goals in HbA1c they will be randomized again to receive Pharmacist + CGM or receive Pharmacist + CGM + Community Health Worker (CHW) support. |
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| Pharmacist + CGM | Experimental | Participants receive clinical pharmacist + CGM support. Those participants who meet their HbA1c goal at 6-months will continue with maintenance diabetes management. This includes routine primary care with the primary care provider, routine medication management, and traditional home glucose monitoring. For those not meeting goals in HbA1c, they will be randomized again to continue with pharmacist + CGM or receive additional CHW support (Pharmacist + CGM + CHW). |
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| Pharmacist + CGM + CHW | Experimental | A second randomization step occurs at 6-months. Participants randomized to this condition receive clinical pharmacist, CHW, and CGM support. |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Pharmacist Only | Behavioral | Clinical pharmacists conduct encounters with patients by videoconferencing or phone. Pharmacists conduct a broad range of activities including ongoing evaluation of medication and lifestyle adherence, setting therapeutic goals, formulating a provider-approved plan of care, and documenting the plan in the electronic health record. Pharmacists propose medication changes based on algorithms and protocols derived from national guidelines under physician guidance. |
| Measure | Description | Time Frame |
|---|---|---|
| Change in participant HbA1c values | Participant HbA1c will be measured and obtained by finger stick using home testing kits. | 0, 3, 6, 9, and 12 months (and additional 18-month collection in first 75% of participants) |
| Measure | Description | Time Frame |
|---|---|---|
| Change in glycemic control from baseline using Percent Time in Range | The percentage of time when blood glucose was between 70 and 180 mg/dl, percentage of time when blood glucose was greater than 250mg/dL , and percentage of time when glucose was les than 70mg/dL. as measured by the continuous glucose monitor | 0, 6, and 12 months |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Ben Gerber, MD, MPH | University of Massachusetts, Worcester | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| University of Massachusetts | Worcester | Massachusetts | 01605 | United States |
Participant survey data, participant physiologic data, community health worker training and protocol, clinical pharmacist training and protocol, will be shared. This includes a complete, de-identified data set, including survey and clinical/physiologic data (and relevant R or SAS code) through DKnet, the Inter-University Consortium for Political and Social Research, or eScholarship@UMassChan.
IPD and supporting information will become available at time of primary results publication.
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Sequential Multiple Assignment Randomized Trial (SMART)
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| Continuous Glucose Monitor (CGM) | Device | Patients will receive the Continuous Glucose Monitoring (CGM) system. The instruction on use of device is the intervention being tested, not the effectiveness of the device itself. Participants will receive instruction and training on how to use the device and will wear the device for 10 days. |
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| Community Health Worker (CHW) | Behavioral | Patients are connected to a community health worker(CHW). CHWs conduct home visits and facilitate 3-way Telehealth visits (Patients, pharmacists, and CHWs) via an iPad with cellular plan. Additional CHW activities include social determinants of health screening, health behavior education, problem solving, goal setting, and medication adherence support. |
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| Change in Participant self-reported health-related quality of life from baseline |
Participant self-reported health related quality of life will be measured using EQ-5D (not an abbreviation), a standardized measure of health-related quality of life developed by the EuroQol Group to provide a simple, generic questionnaire for use in clinical and economic appraisal and population health surveys. EQ-5D assesses health status in terms of five dimensions of health. 1)Mobility, 2)Self-Care 3) Usual Activities 4)Pain and Discomfort 5)Anxiety and Depression. 'Scores for each dimension range from 1-3 with higher scores indicating lower quality/worse outcomes |
| 0, 6, and 12 months |
| Change in participant reported Diabetes Self-Management from baseline | Diabetes Self-Management will be measured using Diabetes Self-Management Questionnaire (DSMQ) is a 16 item questionnaire use to assess self-care activities associated with glycemic control. Scores range from 0 to 10 with higher scores associated with poorer diabetes self-management. | 0, 6, and 12 months |
| Changes in participant reported Diabetes Distress from baseline | Participant reported Diabetes Distress will be measured using the Diabetes Distress Scale (DDS) is a 17 -item scale that captures you critical dimensions of distress for individuals with Diabetes: emotional burden, regimen distress, interpersonal distress, and physician distress. The DDS results in an overall distress score ranging from 1 to 6 with higher scores indicating greater distress. The DDS also yields 4 sub scale scores for each 4 dimensions of distress with scores ranging from 1 to 6, with higher scores indicating greater distress. | 0, 6, and 12 months |
| Change in participant-reported diabetes treatment burden from baseline | Participant reported diabetes treatment burden will be assessed using the Diabetes Treatment Burden Questionnaire(DTBQ). The DTBQ is an 18-item questionnaire that assesses the treatment burden caused by pharmacotherapy for type 2 diabetes. Scores range from 0 to 6 with 0 corresponding to minimum burden, and 6 corresponding to maximum burden. | 0, 6, and 12 months |
| Frequency of participant Healthcare Utilization | Participant Healthcare utilization will be measured with a 3-question survey to capture the frequency of Emergency Room visits, calls to 911, after hours/urgent care visits, and dietician visits. This survey includes encounters whether diabetes-related or not. | 0, 6, and 12 months |
| Change in mean glycemic control from baseline | Mean glucose as measured by the continuous glucose monitor | 0,6,12 months |
| Hyperglycemia event rate | Number of hyperglycemic events as measured by the continuous glucose monitor | 0, 6, 12 months |
| Change in Glycemic variability from baseline | This will be measured by the continuous glucose monitor, the coefficient of variation in glucose variability will be reported. | 0, 6, 12 months |
| ID | Term |
|---|---|
| D003924 | Diabetes Mellitus, Type 2 |
| ID | Term |
|---|---|
| D003920 | Diabetes Mellitus |
| D044882 | Glucose Metabolism Disorders |
| D008659 | Metabolic Diseases |
| D009750 | Nutritional and Metabolic Diseases |
| D004700 | Endocrine System Diseases |
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| ID | Term |
|---|---|
| D003150 | Community Health Workers |
| ID | Term |
|---|---|
| D000488 | Allied Health Personnel |
| D006282 | Health Personnel |
| D005159 | Health Care Facilities Workforce and Services |
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