Getting it right when budgets are tight: Using optimal expansion pathways to prioritize responses to concentrated and mixed HIV epidemics.

Stuart, Robyn M; Kerr, Cliff C; Haghparast-Bidgoli, Hassan; Estill, Janne; Grobicki, Laura; Baranczuk, Zofia; Prieto, Lorena; Montañez, Vilma; Reporter, Iyanoosh; Gray, Richard T; Skordis-Worrall, Jolene; Keiser, Olivia; Cheikh, Nejma; Boonto, Krittayawan; Osornprasop, Sutayut; Lavadenz, Fernando; Benedikt, Clemens J; Martin-Hughes, Rowan; Hussain, S Azfar; Kelly, Sherrie L; ... (2017). Getting it right when budgets are tight: Using optimal expansion pathways to prioritize responses to concentrated and mixed HIV epidemics. PLoS ONE, 12(10), e0185077. Public Library of Science 10.1371/journal.pone.0185077

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BACKGROUND Prioritizing investments across health interventions is complicated by the nonlinear relationship between intervention coverage and epidemiological outcomes. It can be difficult for countries to know which interventions to prioritize for greatest epidemiological impact, particularly when budgets are uncertain. METHODS We examined four case studies of HIV epidemics in diverse settings, each with different characteristics. These case studies were based on public data available for Belarus, Peru, Togo, and Myanmar. The Optima HIV model and software package was used to estimate the optimal distribution of resources across interventions associated with a range of budget envelopes. We constructed "investment staircases", a useful tool for understanding investment priorities. These were used to estimate the best attainable cost-effectiveness of the response at each investment level. FINDINGS We find that when budgets are very limited, the optimal HIV response consists of a smaller number of 'core' interventions. As budgets increase, those core interventions should first be scaled up, and then new interventions introduced. We estimate that the cost-effectiveness of HIV programming decreases as investment levels increase, but that the overall cost-effectiveness remains below GDP per capita. SIGNIFICANCE It is important for HIV programming to respond effectively to the overall level of funding availability. The analytic tools presented here can help to guide program planners understand the most cost-effective HIV responses and plan for an uncertain future.

Item Type:

Journal Article (Original Article)

Division/Institute:

04 Faculty of Medicine > Pre-clinic Human Medicine > Institute of Social and Preventive Medicine (ISPM)
08 Faculty of Science > Department of Mathematics and Statistics > Institute of Mathematical Statistics and Actuarial Science

UniBE Contributor:

Estill, Janne Anton Markus; Baranczuk, Zofia and Keiser, Olivia

Subjects:

600 Technology > 610 Medicine & health
300 Social sciences, sociology & anthropology > 360 Social problems & social services
500 Science > 510 Mathematics

ISSN:

1932-6203

Publisher:

Public Library of Science

Language:

English

Submitter:

Tanya Karrer

Date Deposited:

08 Jan 2018 14:55

Last Modified:

26 Oct 2019 01:06

Publisher DOI:

10.1371/journal.pone.0185077

PubMed ID:

28972975

BORIS DOI:

10.7892/boris.106894

URI:

https://boris.unibe.ch/id/eprint/106894

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