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BackgroundThe antiretroviral therapy (ART) adherence club (AC) differentiated service delivery model, where clinically stable ART patients receive their ART refills and psychosocial support in groups has supported clinically stable patients' retention and viral suppression. Patients and health systems could benefit further by reducing visit frequency and increasing ART refills. We designed a cluster-randomized control trial comparing standard of care (SoC) ACs and six-month ART refill (Intervention) ACs in a large primary care facility in Khayelitsha, South Africa.MethodsExisting ACs were randomized to either the control (SOC ACs) or intervention (Intervention ACs) arm. SoC ACs meet five times annually, receiving two-month ART refills with a four-month ART refill over year-end. Blood is drawn at the AC visit ahead of the clinical assessment visit. Intervention ACs meet twice annually receiving six-month ART refills, with a third individual visit for routine blood collection anytime two-four weeks before the annual clinical assessment AC visit. Primary outcomes will be retention in care, annual viral load assessment completion and viral load suppression. (<400copies/mL) after 2 years. Ethics approval has been granted by the University of Cape Town (HREC 652/2016) and the Medecins Sans Frontieres (MSF) Ethics Review Board (#1639). Results will be published in peer-reviewed journals and made widely available through presentations and briefing documents.DiscussionEvaluation of an extended ART refill interval in adherence clubs will provide evidence towards novel model adaptions that can be made to further improve convenience for patients and leverage health system efficiencies.Trial registrationRegistered with the Pan African Clinical Trial Registry: PACTR201810631281009. Registered 11 September 2018.

Original publication

DOI

10.1186/s12879-019-4287-6

Type

Journal

BMC infectious diseases

Publication Date

30/07/2019

Volume

19

Addresses

Center for Infectious Disease and Epidemiological Research, School of Public Health and Family Medicine, University of Cape Town, Cape Town, South Africa.

Keywords

Humans, HIV Infections, Anti-HIV Agents, Treatment Outcome, Viral Load, Time Factors, South Africa, Randomized Controlled Trials as Topic, Drug Prescriptions, Medication Adherence