Académie National de Pharmacie de France Ordem dos ...€¦ · Académie National de Pharmacie de...
Transcript of Académie National de Pharmacie de France Ordem dos ...€¦ · Académie National de Pharmacie de...
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Académie National de Pharmacie de FranceOrdem dos Farmacêuticos du Portugal
Les noveaux enjeux de la securité etdu risque des medicaments
(New chalenges on drug safety)
Francisco Batel Marques
(Pharmacien/Farmacêutico)Université de Coimbra/Universidade de Coimbra
Faculté de Pharmacie/Faculdade de Farmácia
AIBILI
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Moore TJ et al. Arch Intern Med 2007; 167 (16):1752-1759
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Summary
• Post-marketing safety evaluation of medicines
• Safety signal generation
• Exposure
• Grading evidence on the safety arm
• Second generation pharmacovigilance
• Genetics/genomics of drug safety
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Post-marketing safety evaluation ofmedicines
• Spontaneous reporting:– Clinical monitoring of patients
• Culture of safety
– Reporting suspected ADR´s• Culture of underreporting
– Causality assessment• Validated methods and quality assessement
– Global introspection/decisonal algorithms– Severity and previous knoweledge
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Causality
Módulo de Divulgação de Investigação - Faculdade de Farmácia da Universidade de Coimbra
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Post-marketing safety evaluation ofmedicines
• Spontaneous reporting
– Added dificulties for pharmacists ?
• Community pharmacy– Lack of access to relevant information (clinical and lab)
• Hospital pharmacy– Low performance on safety monitoring
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Safety signal generation
• Explicit and objective methologies
– Disproportion analysis
– Combining disproportion analysis with exposure
• The role of databases– Pharmacovigilance databases
– DRG databases
– Other administrative databases
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Exposure
• Methods to assess exposure
– Indirect methods for its calculation from marketdata
– PSUR’s
– Controled exposition (experimental)
– Measure exposition (observational)
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Oxford Centre for Evidence-Based Medicine
Evidence levels
Level Type and study quality
1A
1B
SR/Meta-analysis of RCTs
Indiviual RCT with small IC-95%
2A
2B
2C
3A
3B
SR of coorte studies
Individual coorte study
Low quality individual RCT
Outcomes research
Ecologic studies
SR of case-control studies
Individual case-controls
4 Série de casos
Low quality coorte studies
5 Expert opinion
Faculdade de Farmácia da Universidade de Coimbra
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Grading evidence on the safety arm
• Nature of the available evidence, mostlylacking of experimental designs
• Observational data, risk of bias, confoundingand heterogeneity of studies
• Cases and case-series (from spontaneousreports and case reports) as a main source ofinformation supporting safety signalsgeneration
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Grading evidence on the safety arm
• Quantitative metrics:
– Meta-analysis and
– Cumulative meta-analysis
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Faculdade de Farmácia da Universidade de Coimbra
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Grading evidence on the safety arm
• Quantitative metrics:
– NNTH
– LHH
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Second generation pharmacovigilance
• Populational safety
– Quinolones and catharats
– Statins and diabetes
• How to deal with such results ?
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Genetics/genomics of drug safety
• Risk stratification (population/regulatory)
• Risk stratification (clinical/regulatory)
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Challenges(Old and New)
• Underreporting
• Assessing causality
• Safety signal generation methodologies
• Measuring exposure
• Grading evidence on the safety arm
• Second generation pharmacovigilance
• Genetics/genomics of drug safety
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Thank You !
Thanks to this fabulous team:
Carlos AlvesDiogo MendesAna Penedones
Inês RibeiroMaria Viegas do Nascimento