3rd International AIDS Society Conference on HIV Pathogenesis and Treatment Rio de Janeiro - July 24 - 27, 2005

ESTIMATION OF NATIONAL ANTIRETROVIRAL THERAPY COVERAGE OF MEDICALLY ELIGIBLE ADULTS IN CAMBODIA, 1999-2005

IAS Conf HIV Pathog Treat 2005 Jul 24-27;3rd: Abstract No. MoPp0303

Saphonn V., Elliott J., Heng S., Ly P.S., Mean C.V.
National Center for HIV/AIDS, Dermatology and STDs, Phnom Penh, Cambodia

INTRODUCTION: To accurately plan antiretroviral therapy program expansion we estimated public and non-profit private sector antiretroviral therapy coverage of medically eligible adults in Cambodia for 1999-2005.

METHODS: National HIV prevalence was estimated from HIV sentinel surveillance data (1995-2003). Annual adult HIV and AIDS incidence rates were calculated using UNAIDS progression estimates. Estimation of AIDS incidence in 2005 was based on three different scenarios for HIV incidence in 2004. Number of people treated with antiretroviral therapy was obtained from national HIV program report data. A model was constructed using UNAIDS progression estimates, off- and on-treatment annual mortality rates and on-treatment lost to follow up rates to calculate national adult antiretroviral therapy coverage.

RESULTS: Estimated national adult AIDS incidence increased from 12,414 in 1999 to a range of 15,553–15,794 in 2005. The number of adults on antiretroviral therapy increased from 3 at end of 1999 to 5,364 at end of 2004. This was estimated to represent an increase in coverage from 0.0% to 28.1%. The national target of 10,000 on treatment by end of 2005 is estimated to represent 46.8% of adults eligible for antiretroviral treatment according to Cambodian national guidelines.

CONCLUSIONS We estimated public and non-profit private sector antiretroviral therapy coverage in Cambodia using a model which included AIDS incidence, disease progression, mortality stratified by treatment category, lost to follow up and annual number of people on therapy as input values. National treatment targets set by Cambodia are achievable and are estimated in this model to be consistent with the international '3 by 5' coverage goal.

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Clinical | MoPp0303 | Vonthanak Saphonn
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