Transforming Hypertension Treatment in Nigeria Using a Type II Hybrid, Interrupted Time Series Design (HTN)

  • End date
    Mar 30, 2024
  • participants needed
  • sponsor
    Washington University School of Medicine
Updated on 7 October 2022
systolic blood pressure
amlodipine 5 mg
blood pressure diastolic
raised blood pressure


The purpose of the Transforming Hypertension Treatment in Nigeria Program is to improve awareness, treatment, and control of hypertension in Nigeria through the adaptation, implementation, and evaluation of the effectiveness and implementation of a system-level hypertension control program.


This study includes the implementation and evaluation of a culturally- and contextually-adapted intervention package based on the Kaiser Permanente Northern California and World Health Organization HEARTS programs for hypertension diagnosis and treatment at primary health centers in Abuja, Nigeria. The intervention has been adapted based on a local needs' assessment including evidence synthesis and specific exploration of health care workers' knowledge, attitudes, and behaviors related to hypertension, causes, consequences, and treatment, including fixed-dose combination and patient self-management, and patients' knowledge, attitudes, and behaviors related to hypertension, causes, consequences, and treatment. Implementation pathways have been developed with particular attention to overcoming modifiable system- and patient-level barriers to hypertension treatment and control across capability, intentional, and system domains using the Consolidated Framework for Implementation Research. Preparedness and capacity have been assessed at primary health centers (e.g. available staff; information systems; use of clinical guidelines) through an adapted Service Availability and Readiness Assessment (SARA) instrument during the formative work for this study. The multi-level implementation package includes: 1) patient registration and empanelment (health system level), 2) standard treatment protocol (national policy level), 3) encouragement of fixed-dose combination therapy (health system level), 4) team-based care (health worker level), and 5) home blood pressure monitoring and health coaching (patient-level).

Condition Hypertension
Treatment Evidence-based hypertension treatment, Evidence-based hypertension treatment with drug treatment A, Evidence-based hypertension treatment with drug treatment B, Evidence-based fixed-dose combination protocol based treatment
Clinical Study IdentifierNCT04158154
SponsorWashington University School of Medicine
Last Modified on7 October 2022


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Inclusion Criteria

Adults (≥18 years)
Elevated blood pressure (Systolic Blood Pressure ≥ 130 mmHg or Diastolic Blood Pressure ≥ 80 mmHg) documented or measured by a health care professional (e.g., physician, Community Health Extension Worker, or Community Health Officer)

Exclusion Criteria

Individuals who are not yet adults (minors)
Prisoners or other detained individuals
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Additional screening procedures may be conducted by the study team before you can be confirmed eligible to participate.

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If you are confirmed eligible after full screening, you will be required to understand and sign the informed consent if you decide to enroll in the study. Once enrolled you may be asked to make scheduled visits over a period of time.

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Complete your scheduled study participation activities and then you are done. You may receive summary of study results if provided by the sponsor.

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