IeDEA West Africa WADA: West Africa database on antiretroviral therapy Charlotte Lewden Médecin...
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![Page 1: IeDEA West Africa WADA: West Africa database on antiretroviral therapy Charlotte Lewden Médecin épidémiologiste, ISPED, Inserm U897, Université de Bordeaux,](https://reader035.fdocuments.in/reader035/viewer/2022081516/551d9d8e497959293b8c3705/html5/thumbnails/1.jpg)
IeDEA West AfricaWADA: West Africa database on
antiretroviral therapy
Charlotte LewdenMédecin épidémiologiste,
ISPED, Inserm U897, Université de Bordeaux, France
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IeDEA West Africa, 5 June 2013 2
IeDEA International Epidemiologic Databases
to Evaluate AIDS
• International research consortium established in 2005 by the US National Institute of Allergy and Infectious Diseases (NIH)
• Resource for globally diverse HIV/AIDS data• To address research questions in HIV/AIDS
unanswerable by single cohorts• First round 2006-2011;
Second round 2011-2016: currently year 7: July 2012 to June 2013
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IeDEA West Africa, 5 June 2013 3
IeDEA Regions
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IeDEA West Africa, 5 June 2013 4
• WADA: 16 adult and 11 pediatric centres in 9 countries: Benin, Burkina Faso, Côte d’Ivoire, Ghana, Guinea-Bissau, Mali, Nigeria, Senegal, Togo
• Coordinating Center: ISPED, Univ Bordeaux Segalen, France• Regional Office: PAC-CI, CHU Treichville, Abidjan Côte d’Ivoire
IeDEA West Africa (WADA)
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WADA Objectives for 2011-2016
• To measure the effectiveness of ART in HIV-infected individuals in West Africa in the long-term, and to assess factors that influence program and treatment outcomes
• To increase the capacity for delivering ART durably in West Africa by increasing the capacity for monitoring clinical outcomes at the individual and population levels in adults and children
• To document the morbidity burden in HIV-infected individuals in care in HIV programs throughout West Africa.
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IeDEA West Africa, 5 June 2013 6
WADA study design
• Observational prospective multicenter study
• Pooled database of HIV-infected adults and children data followed in reference clinics in West Africa
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WADA SitesCountry Adults Children
Benin 1 1 urban
Burkina Faso 2 1 urban
Cote d’Ivoire 6 5 urban,
2 semi-rural
Ghana 1 urban
Guinea Bissau 1 urban
Guinee Conakry future semi-rural
Mali 2 1 urban
Nigeria 2 urban
Senegal 1 1 urban
Togo 1 1 urban
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IeDEA West Africa, 5 June 2013 8
WADA Inclusion criteria
• 2006-2011– HIV-1 or HIV-2 infected– Treatment with ART (antiretroviral combinations)
• 2011-2016– HIV-infected individuals who initiated ART– HIV-2 or HIV-1/HIV-2 infected individuals >18
years, whatever they receive ART or not– HIV-exposed children born to HIV-infected mothers
until their early infant HIV diagnosis– Children with a confirmed HIV-infection whatever
the time of ART initiation
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WADA scientific update and perspectives
• Response to ART in adults • Morbidity• Hepatitis• Cancer• Quality of life• HIV-2 and HIV-1/HIV-2• Pediatrics and adolescents• Women and mothers• (Linkage to care and in care)
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IeDEA West Africa
Observational cohort
• HIV-infected adults with ART N= 58,611• HIV-2 or (HIV-2 and HIV-1) positive N= 1,933• HIV-exposed children N= 4,079• HIV-infected children without ART N= 526• HIV-infected children with ART N= 4,808
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TablesTables
Description Pediatrics Adults
Socio-demographic and clinical characteristics at ART initiation /baseline
TAB_BAS TAB_BAS
Biological data (baseline and follow-up) TAB_LAB TAB_LAB
TCD4+ lymphocytes measurements (baseline and follow-up)
TAB_LAB_CD4 TAB_LABCD4
Viral load measurements (baseline and follow-up) TAB_LAB_RNA TAB_LABCV
Antiretroviral treatments (ART) TAB_ART TAB_MISEART
TAB_SUIART
Follow-up TAB_VIS TAB_SUIVI
Vital status, date of last contact TAB_OUTCOME TAB_STATUT
MTCT TAB_PMTCT_INT TAB_PTME
Opportunistic infections - TAB_IO
Prophylaxies of opportunistic infections - TAB_PROPHYIO
Parental health TAB_PAR_HEALTH -
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Apport des bases de données pour le suivi des PVVIH
• Formalisation du recueil de données : fiche standard (pas toujours)
• Édition de liste de patients en retard de visite pour la relance active des patients perdus de vue
• Edition d’historiques à partir du dossier du patient (pas toujours) ou visualisation du dossier informatisé pendant la consultation
• Aide à la décision• Gestion de l’approvisionnement en tests et médicaments• Rapports aux financeurs• Suivi des pratiques, respect des recommandations• Recherche
Forster_Bul_WHO2008 (Art-Linc); Braitstein_jaids2009 (Kenya); Nash_jaids2009; Douglas_plosmed2010 (Malawi); Ekouevi_curr_opinin_hiv_aids2011
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Sine qua non
• Personnels compétents et en nombre suffisant
• Maintenance du matériel
• Sauvegardes
• Complétude de la base
• Contrôle de la qualité
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Inconvénients possibles
• Base de données incomplète donc inutilisable
• Redondance des fiches et des tables par ajouts successifs entrainant un surcroit de travail
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