the oecd framework for aop development and application 7 magda... · 2016-07-29 · the oecd...
TRANSCRIPT
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The OECD Framework forAOP Development and ApplicationMagda Sachana
NC3Rs: Pathways-based approaches across the biosciences: Towards application in practiceThursday 28 April 2016, London
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• OECD AOP Development Programme• OECD Survey to explore the utility of
AOPs for regulatory assessment of chemicals and to identify development priorities
• Use of AOPs in developing Integrated Approaches to Testing and Assessment (IATA)
2
Presentation Outline
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OECD AOP Development Programme
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Sample text
AOP’s central role in OECD work on predictive toxicology
AOPs
OECD Hazard Assessment activities
Development of IATA for defined hazard endpoints
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Selection of methods for Test Guideline development/refinement
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This is a sample text.Insert your desired text
here.
Sample text
AOP’s central role in OECD work on predictive toxicology
AOPs
OECD Hazard Assessment activities
Development of IATA for defined hazard endpoints
![Page 7: The OECD Framework for AOP Development and Application 7 Magda... · 2016-07-29 · The OECD Framework for AOP Development and Application Magda Sachana NC3Rs: ... • Genotoxicity](https://reader036.vdocument.in/reader036/viewer/2022070721/5ee1cac1ad6a402d666c8b3b/html5/thumbnails/7.jpg)
Development of (Q)SARs
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This is a sample text.Insert your desired text
here.
Sample text
AOP’s central role in OECD work on predictive toxicology
AOPs
OECD Hazard Assessment activities
Development of IATA for defined hazard endpoints
![Page 9: The OECD Framework for AOP Development and Application 7 Magda... · 2016-07-29 · The OECD Framework for AOP Development and Application Magda Sachana NC3Rs: ... • Genotoxicity](https://reader036.vdocument.in/reader036/viewer/2022070721/5ee1cac1ad6a402d666c8b3b/html5/thumbnails/9.jpg)
2013 Guidance document on developing and assessing
AOPs
2014 AOP-KB and Users' Handbook supplement to the guidance document for AOPs
2015 External review of AOPs and training material for
AOP development
2016 Endorsement of 5 AOPs by WNT
Future: Increase the AOP-KB content and facilitate the use of AOPs in a regulatory context
2012OECD AOP
Development Programme
Main milestones achieved since the launch of the OECD AOP Development
Programme
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e.AOPPortal
Shared chemical, biological and toxicological ontologies
AOP-KB
AOP Xplorer
Visualize attribute networks to
discover & explore AOPs
in a broader context
Effectopedia(in beta testing)
Collaborative development of quantitative AOPs in
graphical environment
AOP Wiki
Collaborative development of AOP
descriptions & evidence
Intermediate Effects DBChemical-relateddata derived from
non-apical endpoint methods Third party
Applications, plugins
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Interlinkages between systems - data exchange
Electronic PesticideSubmission Package
MetaPathh
AOP-KBHub
Intermediate Effects DB
AOP Xplorer
EffectopediaAOP Wiki
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OECD Survey to explore the utility of AOPs for regulatory
assessment of chemicals and to identify development priorities
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Experience with the AOP framework (familiarity)
0
2
4
6
8
10
12
14
16
Not at all (1) To a small extent(2)
To a moderateextent (3)
To a fairly greatextent (4)
To a great extent(5)
0
1
9
16
9
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0
5
10
15
20
25
30
OECD activities Scientificliterature/meetings
Colleague(s) Other
26
18
15
2
Experience with the AOP framework (source of experience)
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Experience with the AOP framework (participation in development or review of AOPs)
0.00%
10.00%
20.00%
30.00%
40.00%
50.00%
60.00%
Author Co-author Reviewer No experience
2.70%
13.51%
29.73%
54.05%
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AOPs in AOP-Wiki and coverage of toxicological endpoints
0.00%
10.00%
20.00%
30.00%
40.00%
50.00%
60.00%
Not at all (1) To a small extent (2) To a moderateextent (3)
To a fairly greatextent (4)
8.57%
25.71%
54.29%
11.43%
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• Endocrine disruption• Carcinogenicity• Genotoxicity• Reproductive and developmental toxicity
Other toxicological endpoints to be addressed by AOPs in the AOP-Wiki (1)
• Repeated dose toxicity• Respiratory toxicity• Immunotoxicity• Ecotoxicological endpoints
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• There is need for a systematic review of regulatory needs and the pathways involved
• A call for AOPs relating to the identified pathways
Other toxicological endpoints to be addressed by AOPs in the AOP-Wiki (2)
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Is the information provided in the AOPs useful for your regulatory needs?
0.00%
5.00%
10.00%
15.00%
20.00%
25.00%
30.00%
35.00%
40.00%
Not at all (1) To a small extent (2) To a moderate extent(3)
To a fairly greatextent (4)
8.57%
34.29%37.14%
20.00%
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Use of the information available in the AOP-Wiki by agencies/organisations
0.00%
10.00%
20.00%
30.00%
40.00%
50.00%
60.00%
Not at all (1) To a small extent (2) To a moderate extent(3)
To a fairly greatextent (4)
24.24%
54.55%
18.18%
3.03%
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Use of AOP concept by agencies/organisations
0.00%
5.00%
10.00%
15.00%
20.00%
25.00%
30.00%
35.00%
Not at all (1) To a small extent(2)
To a moderateextent (3)
To a fairly greatextent (4)
To a great extent (5)
14.29%
31.43%
34.29%
17.14%
2.89%
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Regulatory need(s) in which the AOP concept was used
20%
21%
10%5%
25%
13%
6%
Prioritisation
Grouping of chemicalsand subsequent ReadacrossIATA development
Classification andLabelling
Hazard Assessement
Risk assessment
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• Quantitative AOPs • Linking of AOPs to regulatory endpoints and
test guidelines• Development of guidance/framework for
reporting and applying AOPs for regulatory applications
• Training in interpreting AOPs and applying in a weight of evidence approach.
Suggestions on how to improve AOPs’ usability
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Use of AOPs in developing Integrated Approaches to Testing
and Assessment (IATA)
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Framework for how an AOP can be applied to inform and structure IATA
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Reporting Defined approaches
For Official Use ENV/JM/HA(2016)11 Organisation de Coopération et de Développement Économiques Organisation for Economic Co-operation and Development ___________________________________________________________________________________________
English - Or. English ENVIRONMENT DIRECTORATE JOINT MEETING OF THE CHEMICALS COMMITTEE AND THE WORKING PARTY ON CHEMICALS, PESTICIDES AND BIOTECHNOLOGY
Task Force on Hazard Assessment
Guidance Document on the Reporting of Defined Approaches to Testing and Assessment for Skin Sensitisation
This is a draft document, the work is still in progress. This document is intended for the use of ECHA MSC/RAC members only and for no further circulation.
Complete document available on OLIS in its original format This document and any map included herein are without prejudice to the status of or sovereignty over any territory, to the delimitation of international frontiers and boundaries and to the name of any territory, city or area.
ENV
/JM/H
A(2016)11
For Official U
se
English - O
r. English
For Official Use ENV/JM/HA(2016)10 Organisation de Coopération et de Développement Économiques Organisation for Economic Co-operation and Development ___________________________________________________________________________________________
English - Or. English ENVIRONMENT DIRECTORATE JOINT MEETING OF THE CHEMICALS COMMITTEE AND THE WORKING PARTY ON CHEMICALS, PESTICIDES AND BIOTECHNOLOGY
Task Force on Hazard Assessment
Guidance Document on the Reporting of Defined Approaches to be used within Integrated Approaches to Testing and Assessment
This is a draft document, the work is still in progress. This document is intended for the use of ECHA MSC/RAC members only and for no further circulation.
Complete document available on OLIS in its original format This document and any map included herein are without prejudice to the status of or sovereignty over any territory, to the delimitation of international frontiers and boundaries and to the name of any territory, city or area.
ENV
/JM/H
A(2016)10
For Official U
se
English - O
r. English
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THANK YOU