Evaluation of Six-month HIV Treatment Dispensing in South Africa
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About
Many countries in sub-Saharan Africa are implementing a policy of six-month dispensing of antiretroviral (ARV) medications for HIV. Under the new guidelines, stable patients can receive a six-month supply of ARV medications at once, reducing the number of clinic visits required for medication refills. South Africa is considering this policy but has not yet adopted it and has requested evidence of its feasibility, effectiveness, and costs to the healthcare system and to patients. The decision on whether to implement a six-month dispensing policy has become urgent due to the SARS-Cov-2 epidemic, as clinic visits to refill prescriptions pose COVID-19 transmission risks to both patients and providers.
To generate the required evidence, South Africa is implementing a pilot program that will allow for a cluster-randomized evaluation of 6-month dispensing. This protocol is for that evaluation. It aims to provide supporting evidence to inform future policy and procurement decisions by the National Department of Health (NDOH). All interventions will be conducted as part of routine care by Department of Health staff.
In the pilot program, the NDOH will randomize 28 clinics in two provinces 1:1 to receive the six month dispensing intervention or continue standard of care, which currently allows for 2-3 month dispensing. The researchers will assess the patient outcomes of six month dispensing, administer a cross-sectional patient questionnaire, conduct semi-structured in-depth interviews with care providers and implementers, and estimate the costs to NDOH and to patients of six month dispensing. A maximum of 150,545 patients will be followed through their medical records and 400 patients and providers will be consented to be interviewed at baseline and after 6 months (total maximum sample size = 150,945).
Full description
The overall aims of this study are to assess the uptake and impact of six-month medication dispensing (6MMD) on HIV patients' treatment outcomes at public-sector clinics; estimate the costs of the intervention; and assess patients' and providers' perspectives on 6MMD. All implementation of the interventions and generation of data will be done by the National Department of Health and its support partners; this study will evaluate the outcomes.
The specific objectives of the evaluation are to:
Objective 1: Among HIV infected patients on antiretroviral therapy who are newly eligible for 6MMD, assess the uptake of 6MMD among eligible patients, stratified by repeat prescription refill strategy. Evaluation questions:
- What proportion of patients is eligible for 6MMD?
- What proportion of eligible patients choose to enrol in 6MMD?
- What proportion of enrolled patients receive more than one consecutive 6-month refill?
Objective 2: Is six-month dispensing non-inferior to standard of care (two- or three-month dispensing) in terms of retention in care and viral suppression? Evaluation questions:
- What is the effect of 6MMD on retention compared to standard of care for patients eligible for 6MMD?
- What is the effect of 6MMD on viral suppression within 6 and 12 months of intervention enrollment (intervention patients) or eligibility (comparison patients), compared to standard of care for patients eligible for 6MMD?
- What is the effect of 6MMD on retention and suppression among all ART patients in a clinic, regardless of whether they were eligible for or received 6MMD?
Objective 3: Is 6MMD more or less acceptable to patients and providers than standard of care? Evaluation questions:
- What factors influence patient choice to enrol in 6MMD?
- To what extent does the risk of COVID-19 influence a patient's decision to enrol in 6MMD?
- What are the barriers and facilitators to implementing 6MMD from the perspective of providers?
- How has COVID-19 impacted the implementation of 6MMD?
- Has there been any task shifting as a result of the implementation of 6MMD?
- What was the level of fidelity to the standard operating procedures (SOP) for 6MMD implementation?
Objective 4: What is the cost of 6MMD to providers and patients compared to standard of care. Evaluation questions:
- How often do 6MMD patients return to facilities for HIV or other health care or to collect other chronic medications between scheduled ARV dispensing visits?
- What is the average cost to the provider (DOH) per 6MMD patient and for all ART patients at the study clinics?
- What is the patient cost of ART for those receiving 6MMD compared to standard of care?
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Inclusion criteria
- Objectives 1 and 2: On same ART treatment regimen for at least 6 months; most recent viral load taken in the past 6 months; and last viral load undetectable (<50 copies/ml3)
- Objective 3: Patient at an intervention site who meets the eligibility criteria for 6MMD; or provider at an intervention site
Exclusion criteria
- Objectives 1 and 2: Not resident in the facility's catchment area; recorded intention to transfer care to a different facility within 12 months; or pregnant and eligible for PMTCT
- Objective 3: Not resident in the facility's catchment area; recorded intention to transfer care to a different facility within 12 months; pregnant and eligible for PMTCT; unable to communicate in one of the language into which the consent documents and questionnaire have been translated
Trial design
0 participants in 2 patient groups
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Data sourced from clinicaltrials.gov
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