Integration of a task strengthening strategy for hypertension management into HIV care in Nigeria: a cluster randomized controlled trial study protocol

Angela A Aifah, Oluwatosin Odubela, Ashlin Rakhra, Deborah Onakomaiya, Jiyuan Hu, Ucheoma Nwaozuru, David A Oladele, Aina Olufemi Odusola, Ifeoma Idigbe, Adesola Z Musa, Ayodeji Akere, Bamidele Tayo, Gbenga Ogedegbe, Juliet Iwelunmor, Oliver Ezechi, Angela A Aifah, Oluwatosin Odubela, Ashlin Rakhra, Deborah Onakomaiya, Jiyuan Hu, Ucheoma Nwaozuru, David A Oladele, Aina Olufemi Odusola, Ifeoma Idigbe, Adesola Z Musa, Ayodeji Akere, Bamidele Tayo, Gbenga Ogedegbe, Juliet Iwelunmor, Oliver Ezechi

Abstract

Background: In regions with weak healthcare systems, critical shortages of the healthcare workforce, and increasing prevalence of dual disease burdens, there is an urgent need for the implementation of proven effective interventions and strategies to address these challenges. Our mixed-methods hybrid type II effectiveness-implementation study is designed to fill this evidence-to-practice gap. This study protocol describes a cluster randomized controlled trial which evaluates the effectiveness of an implementation strategy, practice facilitation (PF), on the integration, adoption, and sustainability of a task-strengthening strategy for hypertension control (TASSH) intervention within primary healthcare centers (PHCs) in Lagos State, Nigeria.

Design: Guided by the Consolidated Framework for Implementation Research (CFIR) and the Reach Effectiveness Adoption Implementation and Maintenance (RE-AIM), this study tests the impact of a proven effective implementation strategy to integrate hypertension management into the HIV care cascade, across 30 PHCs. The study will be conducted in three phases: (1) a pre-implementation phase that will use CFIR to develop a tailored PF intervention for integrating TASSH into HIV clinics; (2) an implementation phase that will use RE-AIM to compare the clinical effectiveness of PF vs. a self-directed condition (receipt of information on TASSH without PF) on BP reduction; and (3) a post-implementation phase that will use RE-AIM to evaluate the effect of PF vs. self-directed condition on adoption and sustainability of TASSH. The PF intervention components comprise (a) an advisory board to provide leadership support for implementing TASSH in PHCs; (b) training of the HIV nurses on TASSH protocol; and (c) training of practice facilitators, who will serve as coaches, provide support, and performance feedback to the HIV nurses.

Discussion: This study is one of few, if any trials, to evaluate the impact of an implementation strategy for integrating hypertension management into HIV care, on clinical and implementation outcomes. Findings from this study will advance implementation science research on the effectiveness of tailoring an implementation strategy for the integration of an evidence-based, system-level hypertension control intervention into HIV care and treatment.

Trial registration: ClinicalTrials.gov ( NCT04704336 ). Registered on 11 January 2021.

Keywords: HIV-Hypertension integration; Implementation strategy tailoring; Practice facilitation.

Conflict of interest statement

The authors declare that they have no competing interests.

© 2021. The Author(s).

Figures

Fig. 1
Fig. 1
Study design
Fig. 2
Fig. 2
ICTR + 5A’s approach

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