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The Impact of Community Health Worker-led Home Delivery of Antiretroviral Therapy on Virological Suppression: a Non-inferiority Cluster-randomized Health Systems Trial in Dar es Salaam, Tanzania.

Geldsetzer, P., Francis, J. M., Ulenga, N., Sando, D., Lema, I. A., Mboggo, E., Vaikath, M., Koda, H., Lwezaula, S., Hu, J., Noor, R. A., Olofin, I., Larson, E., Fawzi, W. and Bärnighausen, T. (2017) The Impact of Community Health Worker-led Home Delivery of Antiretroviral Therapy on Virological Suppression: a Non-inferiority Cluster-randomized Health Systems Trial in Dar es Salaam, Tanzania. BMC health services research, 17 (1). p. 160. ISSN 1472-6963

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Abstract

Home delivery of antiretroviral therapy (ART) by community health workers (CHWs) may improve ART retention by reducing the time burden and out-of-pocket expenditures to regularly attend an ART clinic. In addition, ART home delivery may shorten waiting times and improve quality of care for those in facility-based care by decongesting ART clinics. This trial aims to determine whether ART home delivery for patients who are clinically stable on ART combined with facility-based care for those who are not stable on ART is non-inferior to the standard of care (facility-based care for all ART patients) in achieving and maintaining virological suppression. This is a non-inferiority cluster-randomized trial set in Dar es Salaam, Tanzania. A cluster is one of 48 healthcare facilities with its surrounding catchment area. 24 clusters were randomized to ART home delivery and 24 to the standard of care. The intervention consists of home visits by CHWs to provide counseling and deliver ART to patients who are stable on ART, while the control is the standard of care (facility-based ART and CHW home visits without ART home delivery). In addition, half of the healthcare facilities in each study arm were randomized to standard counseling during home visits (covering family planning, prevention of HIV transmission, and ART adherence), and half to standard plus nutrition counseling (covering food production and dietary advice). The non-inferiority design applies to the endpoints of the ART home delivery trial; the primary endpoint is the proportion of ART patients at a healthcare facility who are virally suppressed at the end of the study period. The margin of non-inferiority for this primary endpoint was set at nine percentage points. As the number of ART patients in sub-Saharan Africa is expected to rise, this trial provides causal evidence on the effectiveness of a home-based care model that could decongest ART clinics and reduce patients' healthcare expenditures. More broadly, this trial will inform the increasing policy interest in task-shifting of chronic disease care from facility- to community-based healthcare workers.

Item Type: Article
Keywords: Antiretroviral therapy, HIV, Community health workers, Nutrition counseling, Food production, Adherence, Retention, Healthcare expenditure
Subjects: HIV > Surveillance
HIV > Treatment
Divisions: National Institute for Medical Research
Depositing User: Mr Joseph Madata
Date Deposited: 12 Apr 2017 13:38
Last Modified: 12 Apr 2017 13:38
URI: http://ihi.eprints.org/id/eprint/4098

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