An interventional study of Usual Care and ACHIEVE Multi-component Implementation Strategy in Pregnancy Related and Hypertension, sponsored by University of North Carolina, Chapel Hill. Enrolling by invitation at 1 site in United States. Open to participants aged 0 Years to 99 Years. Per ClinicalTrials.gov, last updated 2025-11-12.
Sponsored by University of North Carolina, Chapel Hill · Not applicable, Interventional, and Health services research
The goal of this clinical trial is to test an approach to improve care for pregnant and post-partum patients with high blood pressure. The study participants are providers and staff in prenatal care clinics, and the condition of interest is severe hypertension. The research questions are:
Participants from outpatient prenatal care clinics in North Carolina will work with an ACHIEVE Nurse Coordinator who will deliver training, coaching, simulations, and educational materials. Three groups of clinics will be phased into Active Implementation every six months. The study team will examine data collected before, during, and after the intervention to see if the results show improvement.
New or worsening high blood pressure in pregnancy can develop into a disease called preeclampsia. If left untreated, preeclampsia may turn into eclampsia. Eclampsia occurs when a pregnant person has a seizure or a stroke, which can lead to lifelong health problems, or even death. In 2018, 14% of pregnant people who gave birth in North Carolina experienced high blood pressure. Rural, low-income, and women of color are at greatest risk for complications of high blood pressure in pregnancy and postpartum. These same individuals also face challenges in accessing care. To improve maternal health outcomes for these patients, the Alliance for Innovation on Maternal Safety (AIM) developed the Severe Hypertension During Pregnancy and Postpartum Period Safety Bundle (HTN bundle) which includes five areas of focus: (1) Readiness of clinics to change practices (2) Recognition of high blood pressure (3) Response to patients with high blood pressure during pregnancy or postpartum; 4) Reporting/Systems Learning to track data related to clinic changes and (5) Respectful Care to ensure equity and respect in care of patients. Initially released in 2015, The HTN bundle has been used by hospitals to improve recognition and treatment of high blood pressure in birthing people. The ACHIEVE (Advancing Community and Clinical Care for Childbirth-related Hypertension through Implementation, Engagement, and Valuing Equity) Initiative was developed to support outpatient clinics in providing more effective care to pregnant individuals with high blood pressure. Adapting this bundle for community clinics providing pregnancy care has the potential to reach more birthing people outside the hospital setting who are most vulnerable to complications.
In the initial phase of ACHIEVE, the study team partnered with three rural Piedmont Health Services (PHS) clinics that serve mostly White and Latinx patients. The inpatient HTN bundle was adapted to fit their setting and re-named the Outpatient Hypertension (O-HTN) bundle. Additionally, a coalition was established to engage patients, clinic providers/staff, and the broader community to: (a) understand factors influencing maternal health including economic stability, education, health care access, and community context, (b) assess what makes it easier or harder to implement the O-HTN bundle in community outpatient clinic settings, (c) adapt the O-HTN bundle to fit those settings and populations, and (d) select and tailor changes to clinic practices using continuous cycles of learning, measuring and adapting to be the most effective and sustainable for the organization. Building on this formative work, the goal of the clinical trial is to determine the impact of four implementation strategies (training, coaching, facilitation, educational materials) in up to 20 outpatient clinics in central North Carolina. Usual clinic care for severe hypertension will be compared to the care provided after a practice has 12 months of implementation support from the ACHIEVE Nurse Coordinator. ACHIEVE partners include healthcare leadership, clinic providers and staff, community-based organizations, and individuals with lived experience who will work together on this project. If the project succeeds in improving care, the ACHIEVE model will be shared across the state and nationally to support healthier birthing people and communities.
6,689 studies on the registry are indexed under Hypertension; 965 are open to participants now.
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Sites/Facilities Enrolling Participants
The prenatal care clinics being recruited must meet all of the following inclusion criteria:
a. Physical location of the clinic is in Orange, Alamance, Durham, or Wake County b. The clinic patient population includes ≥ 50 births per year c. The clinic uses an electronic health record system
Additionally, the clinic's patient population must meet one or more of the following inclusion criteria:
a. ≥ 50% uninsured or insured by Medicaid b. ≥ 20% Black / African American c. ≥ 20% rural residents
Clinic Participants
Participants will include volunteers within the following categories:
Patients (Patient Education Cohort)
Patients: (Timely Delivery of Care Cohort)
EXCLUSION CRITERIA
Sites/Facilities Enrolling Participants
a. Clinics that were part of the Pilot Phase of this study b. Clinics that had recently completed a similar quality improvement project focused on severe hypertension
Implementation Team
a. Provider cannot be a Medical Resident
Care Team
a. Provider cannot be a Medical Resident
Medical Support Personnel
a. None
Patients (Patient Education Cohort)
a. None
The Usual Care Arm is comprised of the clinics that are not yet receiving the intervention. All clinics participating in the study are in the Usual Care Arm until they begin the Active Implementation phase.
Behavioral: Usual Care
The Active Implementation Arm is comprised of the clinics that have started to receive the intervention, which is the ACHIEVE multi-component implementation strategy delivered by the Nurse Coordinators. All clinics (divided into 3 Cohorts) move from the Usual Care Arm into the Active Implementation Arm in sequential order (six months apart).
Behavioral: ACHIEVE Multi-component Implementation Strategy
All clinics in North Carolina Perinatal Region IV have access to Severe HTN Bundle resources on the AIM website (https://saferbirth.org/psbs/severe-hypertension-in-pregnancy) and the locally adapted Outpatient HTN Bundle resources on the North Carolina Perinatal Region IV Provider Support Network website (https://www.mombaby.org/outpatient-bundle-for-severe-hypertension/). At baseline, the clinical leadership of all enrolled sites will receive direct communication via email that describes and provides links to the available resources. This will constitute "usual care."
The intervention is comprised of four implementation strategies: facilitation/coaching, training, simulation, and delivering educational materials. The ACHIEVE study team, primarily the Nurse Coordinator, will engage teams within each clinic to participate in quality improvement activities utilizing these four strategies. The Nurse Coordinator will train the providers/staff on the O-HTN bundle components, facilitate corresponding office systems and workflow changes, and conduct simulations of patients with severe hypertension so care teams can practice the steps involved in recognizing and responding to episodes of severe hypertension in a timely manner.
Normalized percentage of achieving the highest possible score for blood pressure measurement technique
Derived from an 11-item observation checklist with a maximum score of 11 points per observation (sample: all Medical Support Personnel who are trained to measure blood pressure for prenatal patients). The construct is fidelity to blood pressure measurement technique; a higher score represents an improvement in fidelity; the range for the checklist is 0-11 which will be translated into a normalized percentage from 0-100.
Time frame: Up to 48 months
Normalized percentage of achieving the highest possible score for documentation of delivery of patient education on hypertension.
Derived from retrospective chart audits using a chart abstraction tool and scoring system with a maximum score of 2 points per chart (sample: 20 charts per clinic randomly selected from all pregnant patients who delivered up to 6-months prior to the data collection timepoint). The construct is fidelity to the patient education protocol; a higher score represents an improvement in fidelity; the range for the score is 0-2 which will be translated into a normalized percentage from 0-100.
Time frame: Up to 48 months
Normalized percentage of achieving the highest possible score for recognition and response to simulated episodes of severe hypertension
Derived from a 7-item checklist with a maximum score of 14 points per simulation (sample: all care teams in clinics that provide prenatal care.) The outcome measure will be assessed at the beginning, middle, and end of the Active Implementation phase. The construct is fidelity to recognition and response to simulated episodes of severe hypertension; a higher score represents an improvement in fidelity; the range for the checklist is 0-14 which will be translated into a normalized percentage from 0-100.
Time frame: Up to 13 months
Normalized percentage of achieving the highest possible score for recognition and response to actual episodes of severe HTN
Derived from retrospective chart audits using a chart abstraction tool and scoring system with a maximum score of 4 points per episode (sample: all episodes of severe HTN among patients who were pregnant or up to six weeks postpartum and received prenatal care from a participating clinic in the 12 months prior to the data collection timepoint). The outcome measure will be assessed in the 12 months before, during, and after the Active Implementation phase. The construct is recognition and response to actual episodes of severe hypertension; a higher score represents an improvement in fidelity; the range for the score is 0-4 which will be translated into a normalized percentage of 0-100.
Time frame: Up to 36 months
Plan to share: Yes — Data that will be generated from our project will contain PHI. Based on ethical considerations and the need to protect the confidentiality of participants, we expect to produce the following public-use data sets to be preserved and shared: * Data on fidelity to protocols for Blood Pressure Measurement (observations of medical support personnel) * Data on fidelity to protocols for Patient Education (retrospective chart audits) * Data on fidelity to protocols for Recognition and Response to Episodes of Severe Hypertension (observations of care teams during simulations) * Data on fidelity to protocols for Recognition and Response to Episodes of Severe Hypertension (retrospective chart audits) Data will be aggregated at the clinic level and reported for each measurement time period. Data will include fidelity to each element of the protocol and an overall score. Clinics will be de-identified.
Supporting information: Study protocol, Sap
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University of North Carolina, Chapel Hill