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Stefano Vella

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Stefano Vella

HIV/AIDS as a model to fight global health inequalities

Transcript

  1. “  HIV/AIDS  as  a  model  to  fight  global  health  inequali:es”

        Stefano  Vella  MD   Is/tuto  Superiore  di  Sanità  -­‐  Roma  
  2. The Lancet vol 360, November 30, 2002 Time to act:

    global apathy towards HIV/AIDS is a crime against humanity Robert Hogg, Pedro Cahn, Elly Katabira, Joep Lange, NM Samuel, Michael O’Shaughnessy, Stefano Vella, Mark Wainberg, Julio Montaner
  3. Guiding  principles       •  Aimed  at  Resource  Limited

     SeBngs   •  Based  on  evidence  but  also  “aspira:onal”   •  Improving  the  Standard  of  Care  /  Fight  inequali:es       •  Increasing  the  effec:veness  and  efficiency  of  ART  programmes         •   Implementa:on  based  on  local  context     •  Public  health  approach      
  4.         •  Strong evidence of the impact

    of ART on HIV transmission: o  HPTN 052 study •  Emerging data on the impact of ART on HIV incidence at the population level •  Increasing evidence on clinical benefits of early ART initiation: o  Observational studies showing impact on HIV mortality and morbidity o  Scientific insights on HIV immunopathogenesis and on the effects of chronic inflammation associated with HIV infection •  Better regimens: o  Better tolerable drugs o  Better formulations o  New classes When  to  start  ART:  what  is  new  since  2010  ?    
  5.   When  to  start  in  adults:  what  is  new  in

     the  2013  Guidelines     Considering  both  the  individual  and  the  Public  Health  benefit….             •  Threshold  moved  to    <  500  CD4     •  Priority  for  reaching  all  HIV+  symptoma:c  persons   and  those  with  CD4  ≤  350     •  More  CD4-­‐independent  situa:ons  for  ART  ini:a:on  (in   addi:on  to  HIV/TB  coinfec:on  and  HBV  advanced  liver   disease):   –  HIV  serodiscordant  couples,     –  Pregnancy   –  Children  less  than  5  years  of  age   GL are a “tool” for countries to produce their own guidelines: they will adapt the new threshold(s) with operational / programmatic local context
  6.              2013  WHO  consolidated  Guidelines

      2013  WHO  Guidelines:  short  summary     ü Simplified & less toxic 1st and 2nd line regimens ü More effective treatment of major co-morbidities e concomitant conditions ü Strategic monitoring for ART efficacy and toxicity ü Earlier initiation of ART: 500 CD4 treshold
  7. 03 | Looking ahead: Switch to 2013 guidelines will increase

    eligibility from 16.7 to 25.9 million people globally CD4  <350*   on  ART   CD4  <500*   <5y   *  incl.  co-­‐infected  with  TB  or  HBV   **   **   **  only  CD4>500,  others  included  in  adults   =  16.7   =  25.9   2010   2013   Number  of  people  eligible  for  ART  in  low-­‐  and  middle-­‐income  countries  in  million  per  WHO   2010  and  2013  ARV  guidelines,  based  on  end  of  2012  epidemic  situa4on  
  8. 03 | Looking ahead: In the long term, ART scale-up

    will contribute to decreasing ART need Source:  Special  analysis  conducted  by  Futures  Ins4tute,  2013  
  9. 03 | Looking ahead: Enhancing impact on mortality and incidence

    Annual  new  HIV  infec:ons   Annual  HIV  related  deaths   -­‐36%   -­‐39%   3.5  m  HIV   infec:ons   Source:  Special  analysis  conducted  by  Futures  Ins4tute,  2013   3.0  m  HIV   deaths  
  10. Challenges in Implementing the new guidelines •  Financing •  Complexity

    of treatment and monitoring •  Inefficiencies in service delivery •  Late presentation •  High rates of attrition •  Quality of drugs
  11. Women's lifetime risk of dying from pregnancy Region Risk of

    dying Africa 1 in 16 Asia 1 in 65 Latin America and Caribbean 1 in 130 Europe 1 in 1400 North America 1 in 3700 All developing countries 1 in 48 All developed countries 1 in 1900
  12. HEALTH •  A human right, an issue of social justice,

    key to human development. •  A precondition, an outcome, an indicator of sustainable development. •  Should be part of the international development agenda. Health inequalities are differences that are judged avoidable by reasonable action.
  13. Global Health •  Global health is the health of populations

    in a global context •  It transcends the perspectives and concerns of individual nations •  Global health is an extensive multisectorial domain that links health with the areas of development, humanitarian aid, and research •  It deals with: –  worldwide improvement of health –  reduction of disparities –  protection against global threats that disregard national borders
  14. Global Health •  Global health is the health of populations

    in a global context •  It transcends the perspectives and concerns of individual nations •  Global health is an extensive multisectorial domain that links health with the areas of development, humanitarian aid, and research •  It deals with: –  worldwide improvement of health –  reduction of disparities –  protection against global threats that disregard national borders Bringing first world medicine to the disadvantaged, abroad and at home
  15. Characteristics of HIV infection •  Chronic infection with impact throughout

    lifecycle •  Periods of illness, periods of wellness •  Multiple clinical and psychosocial needs •  Life-long care and treatment •  Need for secure supply of medicines and laboratory tests •  Stigma and discrimination
  16. HIV will inform appropriate response to other health threats • 

    Demand for services •  Access to services •  Health care workers training •  Support for adherence •  Infrastructure and equipment •  Program management •  Drug and laboratory supplies •  Linkage to care •  Community involvement
  17. Spill over effect of HIV interventions towards Health Systems Strengthening

    – Non-HIV specific services & outcomes •  Maternal Health •  Child Health •  TB, malaria and other Infectious Diseases •  Chronic non-communicable diseases –  (diabetes, hypertension, cancer)
  18. “HIV/AIDS complementary innovations are at the core of what we

    now call “global health” which has demonstrated its capacity to be far more integrative than traditional notions of international health. It draws together scientists, clinicians, public health officials, researchers, and patients, while relying on new sources of funding, expertise, and advocacy. This new formulation is distinct in that it recognizes the essential supranational character of problems of disease and their amelioration, and the fact that no individual country can adequately address diseases in the face of the movement of people, trade, microbes, and risks.”
  19. “Second, it focuses on deeper knowledge of the burden of

    disease to identify key health disparities and develop strategies for their reduction. Third, it recognizes that people affected by disease have a crucial role in the discovery and advocacy of new modes of treatment and prevention and their equitable access. Finally, it is based on ethical and moral values that recognize that equity and rights are central to the larger goals of preventing and treating diseases worldwide.”