Infections averted by a comprehensive HIV prevention intervention and its cost-effectiveness: a prospective cohort study of persons who inject drugs in Delhi, India

Lopamudra Ray Saraswati, Aparajita Dasgupta, Indrani Gupta, Julie Pulerwitz and Avina Sarna

Journal of Development Effectiveness, 2023, vol. 15, issue 1, 77-90

Abstract: This paper presents the cost-effectiveness of a WHO-recommended harm-reduction programme implemented among a cohort of persons who inject drugs in Delhi, India. We estimate the number of infections averted using Bernoulli process model and calculate cost-effectiveness ratio as the total programme cost per infection averted. The intervention averted 996 HIV infections over 36 months, with a cost-effectiveness ratio of INR 24,763 (US$ 476) per infection averted per year. The first phase, when HIV testing and counselling were initiated, was more cost-effective than the second phase when full intervention package, including needle-syringe exchange, condom distribution, harm-reduction education, etc., was implemented.

Date: 2023
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DOI: 10.1080/19439342.2023.2166565

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