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British Columbia Centre for Excellence in HIV/AIDS What can we learn from the impact of dramatically scaling-up treatment on future costs and prevention efforts? Viviane Dias Lima British Columbia Centre for Excellence in HIV/AIDS [email protected] Rationale Evidence HAART stops HIV replication MTCT (De Cock 2000; Coovadia 2009) PEP (Pinkerton 2004, Fisher 2006) HIV levels fall to undetectable Discordant Couples (Quinn in blood as well as in sexual 2000; Castilla 2005; Wawer 2005; Bechange 2008; Garnett 2008) fluids Population-based studies (Fang 2004; Lima 2007; Anema 2009) Sharp reduction in HIV transmission Mathematical Models (Blower 2000; Law 2001; Abbas 2006; Montaner 2006; Lima 2007-2009; Granich 2009; De Cock 2009) Evidence from British Columbia Increase HAART Coverage from 50% to 75% Increase HAART Coverage from 50% to 75% 1200 Drirect Drug Cost (CAN$ per 100,000) 500 Number of New Infections 450 400 ` 350 300 Lima V JID 2008 250 1995 2005 2015 2025 2035 1100 1000 900 800 700 600 500 400 2000 2010 2030 2040 Year Year No intervention 3 years uptake 2020 Immediate uptake 6 years uptake No intervention 3 years uptake Immediate uptake 6 years uptake Lima VD, et al. Expanded access to highly active antiretroviral therapy: a potentially powerful strategy to curb the growth of the HIV epidemic. J Infect Dis 2008; 198:59-67 HAART uptake Coverage: from 50% to 75% 1 year 3 years 6 years Averted New infections (N) 3,202 3,169 2,695 Total Cost Savings (CAN$) 49,310,494 48,801,574 41,506,163 Total Lifetime Cost Savings (CAN$) 1,163,727,652 1,151,717,136 979,545,445 HAART uptake Coverage: from 50% to 90% 1 year 3 years 6 years Averted New infections (N) 4,926 4,869 4,205 Total Cost Savings (CAN$) 75,868,259 74,989,186 64,766,118 Total Lifetime Cost Savings (CAN$) 1,790,490,908 1,769,744,789 1,528,480,393 HAART uptake Coverage: from 50% to 100% 1 year 3 years 6 years Averted New infections (N) 5,885 5,851 5,472 Total Cost Savings (CAN$) 90,636,910 90,108,679 84,266,694 Total Lifetime Cost Savings (CAN$) 2,139,031,087 2,126,564,814 1,988,693,986 ex at the age of 20 years: 23.6 years Direct cost to treat each person with first-line therapy: $15,400 CAN Lima VD, et al. Expanded access to highly active antiretroviral therapy: a potentially powerful strategy to curb the growth of the HIV epidemic. J Infect Dis 2008; 198:59-67 Return on increased investment resulting from status quo approach versus 50% and 75% expansion scenarios $850 $750 Guidelines before the year 2008 2008 Guidelines & 50% Expansion Scenario 2008 Guidelines & 75% Expansion Scenario millions $ (cumulative) $650 $550 $450 $350 $250 Lima V JID 2008 $150 $50 0 10 20 year 30 40 Current global ARV need Number of people receiving antiretroviral drugs in low- and middle-income countries (2002 - 2007) UNAIDS & WHO 2008 Antiretroviral Therapy Coverage (i.e. % of those who need therapy) Geographical Region Percent Change December 2006 (range) December 2007 (range) Sub-Saharan Africa 21% (18% - 23%) 30% (27% - 34%) + 43% Latin America and the Caribbean 58% (47% - 68%) 62% (51% - 70%) + 7% East, South and South-East Asia 18% (14% - 23%) 25% (20% - 32%) + 39% Europe and Central Asia 13% (9% - 19%) 17% (12% - 22%) + 31% 5% (4% - 8%) 7% (5% - 10%) + 40% 22% (19% - 25%) 31% (27% - 34%) + 41% North Africa and the Middle East Total UNAIDS & WHO 2008 Funding gap between resource needs and resource availability (2005-2007) Needs Availability UNAIDS & WHO 2008 Effect of PEPFAR on HIV Incidence Lima 2009 Where do we go next? Scaling-up ART: Needs & Constraints → Cost (direct & indirect) → Limited Resources - How to prioritize the available funds? → Treatment Guidelines - When to start? - 1st & 2nd Line Therapy? - Laboratory Monitoring → Treatment of Co-morbidities & other Health Issues → Long-term Sustainability: Health Systems & Funding → Other Concurrent Prevention Efforts → Social & Gender Inequalities → Cultural & Governmental Barriers → Human Rights Issues … Thanks! Other slides Effect of PEPFAR on HIV Incidence Lima 2009 Current global ARV need UNAIDS & WHO 2008