Implementation of Multifaceted Patient-Centered Treatment Strategies for Intensive Blood Pressure Control (IMPACTS)

Study Results

Results pending

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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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

1272 participants

Study Classification

INTERVENTIONAL

Study Start Date

2018-06-27

Study Completion Date

2024-02-15

Brief Summary

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The IMPACTS study utilizes an effectiveness-implementation hybrid type 2 design to achieve two primary goals simultaneously: 1). to test the effectiveness of a multifaceted implementation strategy for intensive BP control among underserved hypertensive patients at high risk for CVD, and 2). to assess the implementation outcomes of the multifaceted implementation strategy in patients and providers.

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Detailed Description

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Recently, the Systolic Blood Pressure Intervention Trial (SPRINT) reported that more intensive blood pressure (BP) treatment (target systolic BP\<120 mm Hg) reduced major cardiovascular disease (CVD) by about 25% and all-cause mortality by about 27% compared to standard BP treatment (target systolic BP\<140 mm Hg) among hypertensive patients aged ≥50 years. SPRINT clearly answered the question - Will lowering BP more than the currently recommended goal further reduce the risk of CVD and mortality? The next important question is how to implement a more intensive BP treatment program in real-world clinical practice, especially in underserved patients. The IMPACTS trial is an effectiveness-implementation hybrid trial to simultaneously test the effectiveness of a multicomponent intervention program for more intensive BP treatment and the feasibility and fidelity of implementing the program in underserved patients with hypertension in Louisiana and Mississippi. The Consolidated Framework for Implementation Research has been used to guide the development of the multicomponent intervention, including dissemination of SPRINT study findings among patients, providers and policymakers; team-based collaborative care using a stepped-care protocol adapted from the SPRINT intensive-treatment algorithm, BP audit and feedback, and home BP monitoring; and health coaching on antihypertensive medication adherence and lifestyle modification. The investigators will collaborate with 36 federally qualified health center clinics that serve low-income populations in Louisiana and Mississippi to recruit 1,260 trial participants and conduct the IMPACTS trial. The primary clinical outcome is the difference in mean change of systolic BP from baseline to 18 months. The fidelity of the intervention, measured by intensification of treatment by providers and adherence to medications in patients, will be the primary implementation outcome. This study will generate urgently needed data on effective and adoptable intervention strategies aimed at eliminating health disparities and reducing the BP-related disease burden in underserved populations in the US.

Conditions

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Hypertension Blood Pressure

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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Multicomponent Intervention

Protocol-based treatment using the SPRINT stepped-care intensive BP management algorithm, dissemination of SPRINT study findings among provider-teams, patients, and administrators, team-based collaborative care, BP audit and feedback, home BP monitoring, and health coaching on antihypertensive medication adherence and lifestyle modification

Group Type EXPERIMENTAL

Multicomponent Intervention

Intervention Type BEHAVIORAL

The core component of the intervention is protocol-based treatment using the SPRINT BP management algorithm. The following implementation strategies are adaptable components that will be modified to fit specific federally-qualified health center (FQHC) settings: dissemination of SPRINT study findings among provider-teams, patients, and administrators, team-based collaborative care, BP audit and feedback, home BP monitoring, and health coaching on antihypertensive medication adherence and lifestyle modification.

Enhanced Usual Care

Webinar education session for providers on the new ACC/AHA hypertensive clinical guideline and the SPRINT study findings

Group Type ACTIVE_COMPARATOR

Enhanced Usual Care

Intervention Type BEHAVIORAL

The investigators will provide an up-to-date clinical guideline for hypertension management to providers. A webinar education session on the new American College of Cardiology (ACC)/American Heart Association (AHA) hypertension guideline and findings from the SPRINT trial will be conducted. Otherwise, the investigators will not conduct any active intervention and all control clinics will follow their routine clinic practice in the management of hypertensive patients

Interventions

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Multicomponent Intervention

The core component of the intervention is protocol-based treatment using the SPRINT BP management algorithm. The following implementation strategies are adaptable components that will be modified to fit specific federally-qualified health center (FQHC) settings: dissemination of SPRINT study findings among provider-teams, patients, and administrators, team-based collaborative care, BP audit and feedback, home BP monitoring, and health coaching on antihypertensive medication adherence and lifestyle modification.

Intervention Type BEHAVIORAL

Enhanced Usual Care

The investigators will provide an up-to-date clinical guideline for hypertension management to providers. A webinar education session on the new American College of Cardiology (ACC)/American Heart Association (AHA) hypertension guideline and findings from the SPRINT trial will be conducted. Otherwise, the investigators will not conduct any active intervention and all control clinics will follow their routine clinic practice in the management of hypertensive patients

Intervention Type BEHAVIORAL

Eligibility Criteria

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Inclusion Criteria

* Men or women aged ≥40 years who receive primary care from the participating FQHC clinics.
* Systolic BP ≥140 mmHg at two screening visits for those not taking antihypertensive medication or systolic BP ≥ 130 mmHg at two screening visits for those taking antihypertensive medications.

Exclusion Criteria

* Not able to understand English
* Pregnant women, women planning to become pregnant in the next 18 months, women of childbearing potential and not practicing birth control, and persons who cannot give informed consent.
* Plans to change to a primary healthcare provider outside of the FQHC clinic during the next 18 months.
* Diagnosis of end-stage renal disease, defined as dialysis or transplantation.
* Individuals unlikely to complete the study, such as those who plan to move out the study area during the next 18 months, temporary migrant workers, and homeless persons.
* Patients with immediate family members who are staff at their FQHC clinic.

Minimum Eligible Age

40 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No