Multi-ethnic Multi-level Strategies and Behavioral Economics to Eliminate Hypertension Disparities in Los Angeles County
NCT ID: NCT06359691
Last Updated: 2025-09-24
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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ACTIVE_NOT_RECRUITING
NA
540 participants
INTERVENTIONAL
2024-08-08
2027-10-31
Brief Summary
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To achieve this goal, the study team will conduct provider- and patient-focused outreach strategies to understand how to best support adoption of blood pressure management practices already available within LAC DHS.
LAC DHS clinics will be randomly assigned to one of three study conditions: 1) provider-focused outreach, 2) patient-focused outreach, and 3) usual outreach. The study will occur across 3 years with patient- and provider-focused outreach occurring in Year 1 and 2. In Year 3, study initiated patient- and provider-focused outreach will stop, and clinic use of patient- and provider-focused outreach practices will be observed by the study team.
Provider-focused outreach includes increasing cultural awareness of factors that hinder and support blood pressure control, increasing access to blood pressure medications, and providing blood pressure management education. Patient-focused outreach includes using culturally sensitive educational materials and reminders to improve patient understanding of blood pressure, education on how to manage the condition, and increasing awareness of available blood pressure management resources. Clinics assigned to the usual outreach condition will operate as per usual in Year 1 but will receive patient- and provider-focused outreach in Year 2.
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Detailed Description
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During the study's planning phase (UG3), barriers to and preferences for interventions and implementation strategies were identified at the patient, provider, clinic, health system, and community levels to tailor hypertension interventions with the goal of improving blood pressure control among racially and ethnically diverse safety net health system patients with uncontrolled HTN. This three-year phase included the formation of routine meetings with the study Steering Committee and five race- and ethnic-specific community action boards (CABs), a LAC DHS health system intervention and implementation planning group, a study meta-analysis team, a behavioral science subcommittee, and Technical Assistance meetings with NIH statisticians.
The intervention partners with LAC DHS to randomize clinics to one of three strategies: 1) provider-focused strategies, 2) patient-focused strategies, and 3) usual care strategies. Provider-focused strategies center on increasing provider knowledge of evidence-based blood pressure management, increasing cultural awareness of barriers to and facilitators of control, increasing access to medications, and integrating gained knowledge into practice. Patient-focused strategies include using culturally tailored materials and reminders to improve patient understanding of hypertension, how to manage the condition, and the available resources; increasing access to home blood pressure monitors; and social needs screening with linkage to community resources.
The UCLA DECIPHeR Team employs the Exploration, Preparation, Implementation, Sustainment (EPIS) framework to guide the implementation process. The team will use the RE-AIM framework to test the effectiveness of their implementation strategies.
Primary implementation aim:
To test the effectiveness of the implementation strategies (usual care, patient-focused strategies, and provider-focused strategies) on change in adoption of culturally tailored evidence-based practices (at the end of Year 1).
Conditions
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Study Design
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RANDOMIZED
CROSSOVER
HEALTH_SERVICES_RESEARCH
SINGLE
Study Groups
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Usual Strategies - Year1
Usual strategies implemented in year 1, patient-focused and provider-focused strategies implemented in year 2, and sustainment in year 3.
Patient- and provider-focused strategies
A combination of the 7 patient-focused strategies (see patient-focused strategies outlined above) and 9 provider-focused strategies (see provider-focused strategies outlined above) implemented simultaneously.
Patient-Focused Strategies - Year1
Patient-focused strategies implemented in year 1, provider-focused strategies implemented in year 2, and sustainment in year 3.
Patient-focused strategies
Patient-focused strategies to increase HTN management practices:
1. Hypertension registry: notify patients of their status, target education and resources to patients
2. Home BP monitoring: provide BP monitors, encourage reporting of home BP readings
3. Enhance standardization of home and office BP readings: patients trained by care staff, posters in clinics on how to measure BP correctly
4. Nurse-directed BP medication titration with CHW/Health Educator reinforcement: self-directed referrals to nurse-directed clinics and CHW/health educators
5. Enhance patient understanding of BP using culturally- and linguistically- tailored materials: tailored educational materials offered to patients in clinic, via text and the patient portal.
6. Social needs screening and linkage to community resources: awareness of and self-referrals to community resources
7. Behavioral science intervention messaging: posters in clinic waiting rooms, scripts for RN/PCP, texts to patients
Provider-focused strategies
Provider-focused strategies to increase HTN management practices:
1. Hypertension registry: identify patients with uncontrolled BP, notify care team
2. Home BP monitoring: provide home BP monitors, encourage reporting of BP readings
3. Enhance standardization of home/office BP readings: staff training, posters in clinic
4. Simplify treatment protocols using fixed-dose combo meds: education on fixed-dose combo meds
5. Nurse-directed BP med titration w/ CHW/Health Educator support: system for team-based care, referral to nurse-directed clinics \& CHWs/health educators
6. Enhance patient understanding of BP using culturally- and linguistically- tailored materials: Increased availability of tailored materials
7. Social needs screening and linkage to community resources: referral system to resources
8. CHW assigned to patients with complex medical and social needs: referral of complex patients to CHWs
9. Behavioral science messaging: posters in charting rooms, scripts for RNs
Provider-Focused Strategies - Year1
Provider-focused strategies implemented in year 1, patient-focused strategies implemented in year 2, and sustainment in year 3.
Patient-focused strategies
Patient-focused strategies to increase HTN management practices:
1. Hypertension registry: notify patients of their status, target education and resources to patients
2. Home BP monitoring: provide BP monitors, encourage reporting of home BP readings
3. Enhance standardization of home and office BP readings: patients trained by care staff, posters in clinics on how to measure BP correctly
4. Nurse-directed BP medication titration with CHW/Health Educator reinforcement: self-directed referrals to nurse-directed clinics and CHW/health educators
5. Enhance patient understanding of BP using culturally- and linguistically- tailored materials: tailored educational materials offered to patients in clinic, via text and the patient portal.
6. Social needs screening and linkage to community resources: awareness of and self-referrals to community resources
7. Behavioral science intervention messaging: posters in clinic waiting rooms, scripts for RN/PCP, texts to patients
Provider-focused strategies
Provider-focused strategies to increase HTN management practices:
1. Hypertension registry: identify patients with uncontrolled BP, notify care team
2. Home BP monitoring: provide home BP monitors, encourage reporting of BP readings
3. Enhance standardization of home/office BP readings: staff training, posters in clinic
4. Simplify treatment protocols using fixed-dose combo meds: education on fixed-dose combo meds
5. Nurse-directed BP med titration w/ CHW/Health Educator support: system for team-based care, referral to nurse-directed clinics \& CHWs/health educators
6. Enhance patient understanding of BP using culturally- and linguistically- tailored materials: Increased availability of tailored materials
7. Social needs screening and linkage to community resources: referral system to resources
8. CHW assigned to patients with complex medical and social needs: referral of complex patients to CHWs
9. Behavioral science messaging: posters in charting rooms, scripts for RNs
Interventions
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Patient-focused strategies
Patient-focused strategies to increase HTN management practices:
1. Hypertension registry: notify patients of their status, target education and resources to patients
2. Home BP monitoring: provide BP monitors, encourage reporting of home BP readings
3. Enhance standardization of home and office BP readings: patients trained by care staff, posters in clinics on how to measure BP correctly
4. Nurse-directed BP medication titration with CHW/Health Educator reinforcement: self-directed referrals to nurse-directed clinics and CHW/health educators
5. Enhance patient understanding of BP using culturally- and linguistically- tailored materials: tailored educational materials offered to patients in clinic, via text and the patient portal.
6. Social needs screening and linkage to community resources: awareness of and self-referrals to community resources
7. Behavioral science intervention messaging: posters in clinic waiting rooms, scripts for RN/PCP, texts to patients
Provider-focused strategies
Provider-focused strategies to increase HTN management practices:
1. Hypertension registry: identify patients with uncontrolled BP, notify care team
2. Home BP monitoring: provide home BP monitors, encourage reporting of BP readings
3. Enhance standardization of home/office BP readings: staff training, posters in clinic
4. Simplify treatment protocols using fixed-dose combo meds: education on fixed-dose combo meds
5. Nurse-directed BP med titration w/ CHW/Health Educator support: system for team-based care, referral to nurse-directed clinics \& CHWs/health educators
6. Enhance patient understanding of BP using culturally- and linguistically- tailored materials: Increased availability of tailored materials
7. Social needs screening and linkage to community resources: referral system to resources
8. CHW assigned to patients with complex medical and social needs: referral of complex patients to CHWs
9. Behavioral science messaging: posters in charting rooms, scripts for RNs
Patient- and provider-focused strategies
A combination of the 7 patient-focused strategies (see patient-focused strategies outlined above) and 9 provider-focused strategies (see provider-focused strategies outlined above) implemented simultaneously.
Eligibility Criteria
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Inclusion Criteria
* Accessing primary care at participating clinic in LAC DHS
* 18 years or older.
Exclusion Criteria
* Primary care outside of participating clinic or LAC DHS
* Under 18 years old
18 Years
ALL
No
Sponsors
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National Heart, Lung, and Blood Institute (NHLBI)
NIH
University of California, Los Angeles
OTHER
Responsible Party
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Arleen F. Brown, MD, PhD
Principal Investigator
Principal Investigators
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Arleen F Brown, MD, PhD
Role: PRINCIPAL_INVESTIGATOR
University of California, Los Angeles
Locations
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Olive View-UCLA Medical Center
Sylmar, California, United States
Countries
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References
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Takada S, Wali S, Park N, Sadia A, Weldon AR, Liang LJ, Vassar SD, Carson SL, Dopp AR, Korn AR, Hamilton AB, Mittman BS, Lo J, Sandesara U, Huang YC, Jara J, Robles N, Casillas A, Brown AF. Protocol for a Type 3 hybrid effectiveness-implementation cluster randomized trial to evaluate multi-ethnic, multilevel strategies and community engagement to eliminate hypertension disparities in Los Angeles County. Implement Sci. 2025 Oct 6;20(1):42. doi: 10.1186/s13012-025-01452-5.
Other Identifiers
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