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EUCAST and National Antimicrobial Susceptibility Testing Committees
1. EUCAST and the NACs
Christian G. Giske
Chairman of EUCAST
Stockholm, 4 May 2017
2. • Organised by the European Society for Clinical Microbiology and
Infectious Diseases (ESCMID) and European Centre for Disease
Control and Prevention (ECDC)
• Utilized by European Medicines Agency (EMA) for setting
breakpoints on new agents and European Food Safety Agency
(EFSA) for setting epidemiological cut-off values
• Financed by ESCMID and ECDC. No commercial activity or
dependency
• Steering Committee and General Committee – both with
international representation
• Network of National AST Committees (NACs) for national
implementation of guidelines and dor consultation
• Subcommittees with wide international participation
EUCAST
3. • Systematic review (and revision) process for all
breakpoints
• Open consultation on all major decisions except on
breakpoints for new agents where confidentiality is
respected
• Rapid turnaround time on all decisions
– 5 meetings per year; not restricted by industry or national
agencies; turnaround time on questions normally 1 h – 24 h
• All output free of charge on website (www.eucast.org)
• Laboratory facilities for development
• Increasing international reach
EUCAST – the process
4. EUCAST SC 2017
• Christian G. Giske, chair
• John Turnidge, scientific secretary
• Rafael Canton, clinical data coordinator
• Gunnar Kahlmeter, technical data coordinator/webmaster
• Sören Gatermann, Germany
• Christoffer Lindemann, Norway
• Johan Mouton, The Netherlands
• Alasdair MacGowan, UK
• Gerard Lina, France
• Arjana Tambic, Croatia
• Deniz Gur, Turkey
• Additionally: visiting members from NACs (max one per meeting)
5. EUCAST Subcommittees
• STANDING
– Antifungal susceptibility testing
– Veterinary susceptibility testing
– Antimycobacterial Susceptibility testing
• AD HOC
– Intrinsic Resistance and Expert Rules
– MIC distributions and ECOFFs
– Polymyxins breakpoints and methods (joint with CLSI)
– Detection of resistance mechanisms
– Relationship between WGS (NGS) and phenotypic
susceptibility testing
• UNDER RESTRUCTURING
– Anaerobes
6. Implementation of EUCAST breakpoints, April 2016
Denmark
Finland
Poland
France
Germany
Spain
Portugal
Greece
Italy
Turkey
Switzer-
land
Austria
Czech
Republic
Estonia
Latvia
Lithuania
Belarus
Ukraine
Romania
Hungary
Slovakia Moldova
Bulgaria
Russia
Ireland
Great Britain
Monte-
negro
Serbia
Slovenia
Croatia Bosnia-
Herze-
govina
Mace-
donia
Albania
Norway
Nether-
lands
Malta
Belgium
Luxembourg
Sweden
>50%
<10%
10-50%
No information
Australia Iceland IsraelCountries not on this map:
% Laboratories
South Africa USAMoroccoBrazil New Zealand
Kosovo
Armenia
Georgia Azerbaijan
Canada
7. Implementation of EUCAST breakpoints, April 2017
Denmark
Finland
Poland
France
Germany
Spain
Portugal
Greece
Italy
Turkey
Switzer-
land
Austria
Czech
Republic
Estonia
Latvia
Lithuania
Belarus
Ukraine
Romania
Hungary
Slovakia Moldova
Bulgaria
Russia
Ireland
Great Britain
Monte-
negro
Serbia
Slovenia
Croatia Bosnia-
Herze-
govina
Albania
Norway
Nether-
lands
Malta
Belgium
Luxembourg
Sweden
>50%
<10%
10-50%
No information
% Laboratories
Kosovo
Armenia
Georgia Azerbaijan
FYR Mace-
donia
Australia Iceland IsraelOther countries: South Africa USAMoroccoBrazil New ZealandCanadaChina
8. Implementation of EUCAST disk diffusion, April 2016
Denmark
Finland
Poland
France
Germany
Spain
Portugal
Greece
Italy
Turkey
Switzer-
land
Austria
Czech
Republic
Estonia
Lithuania
Belarus
Ukraine
Romania
Hungary
Slovakia Moldova
Bulgaria
Russia
Ireland
Great Britain
Monte-
negro
Serbia
Slovenia
Croatia Bosnia-
Herze-
govina
Mace-
donia
Albania
Norway
Nether-
lands
Malta
Belgium
Luxembourg
Sweden
>50%
<10%
10-50%
No information
% Laboratories
Latvia
Australia Iceland IsraelCountries not on this map: South Africa USAMoroccoBrazil New Zealand
Kosovo
Armenia
Georgia Azerbaijan
Canada
9. Implementation of EUCAST disk diffusion, April 2017
Denmark
Finland
Poland
France
Germany
Spain
Portugal
Greece
Italy
Turkey
Switzer-
land
Austria
Czech
Republic
Estonia
Lithuania
Belarus
Ukraine
Romania
Hungary
Slovakia Moldova
Bulgaria
Russia
Ireland
Great Britain
Monte-
negro
Serbia
Slovenia
Croatia Bosnia-
Herze-
govina
Albania
Norway
Nether-
lands
Malta
Belgium
Luxembourg
Sweden
>50%
<10%
10-50%
No information
% Laboratories
Latvia
Kosovo
Armenia
Georgia Azerbaijan
FYR Mace-
donia
Australia Iceland IsraelOther countries: South Africa USAMoroccoBrazil New ZealandCanadaChina
11. The EUCAST NAC SOP
• Structure:
– independent committee or a subcommittee of a
group with a wider antimicrobial remit
• Membership:
– experts and stakeholders in antimicrobial
susceptibility testing:
• Individual experts
• Representatives of professional organisations/societies
Representatives of government
• Representatives of antibiotic use, resistance surveillance
committees
• Representatives of quality assurance agencies
12. NAC objectives
• To formulate strategy at a national level
– Action through government, professional organisations or societies
– Inclusive decision to follow EUCAST breakpoints
• To implement breakpoints and methods
– Identify stakeholders and provide information
– Communicate with device manufacturers to ensure no practical limitations
– Communicate with laboratory staff to ensure that all are informed
– Communicate with clinicians on consequences of breakpoint changes
– Communicate with government to ensure that they are on board
– Communicate with professional organisations/societies
– Communicate with quality assurance agencies to ensure that they use
• EUCAST breakpoints
– Provide guidance and support to clinical laboratories.
– Provide practical guidelines for introducing methods
– Provide breakpoint tables, method descriptions
13. Overview of NACs, April 2016
Denmark
Finland
Poland
France
Germany
Spain
Portugal
Greece
Italy
Turkey
Switzer-
land
Austria
Czech
Republic
Estonia
Latvia
Lithuania
Belarus
Ukraine
Romania
Hungary
Slovakia Moldova
Bulgaria
Russia
Ireland
Great Britain
Monte-
negro
Serbia
Mace-
donia
Albania
Norway
Nether-
lands
Malta
Belgium
Luxembourg
Sweden
Yes
No
In the process of forming a NAC
No information
Slovenia
Croatia Bosnia-
Herze-
govina
Australia Iceland IsraelCountries not on this map: South Africa USAMoroccoBrazil New Zealand
Kosovo
Armenia
Georgia Azerbaijan
Canada
14. Overview of NACs, April 2017
Denmark
Finland
Poland
France
Germany
Spain
Portugal
Greece
Italy
Turkey
Switzer-
land
Austria
Czech
Republic
Estonia
Latvia
Lithuania
Belarus
Ukraine
Romania
Hungary
Slovakia Moldova
Bulgaria
Russia
Ireland
Great Britain
Monte-
negro
Serbia
FYR Mace-
donia
Albania
Norway
Nether-
lands
Malta
Belgium
Luxembourg
Sweden
Yes
No
In the process of forming a NAC
No information
Slovenia
Croatia Bosnia-
Herze-
govina
Australia Iceland IsraelOther countries: South Africa USAMoroccoBrazil New Zealand
Kosovo
Armenia
Georgia Azerbaijan
CanadaChina
15. NACs outside Europe
Countries with a NAC operating under EUCAST standards
Countries with interest to establish a NAC under EUCAST standards
16. NAC and EUCAST SC interaction
VS
National exceptions do occur, but should be few
NACs should present the rationale for the decision for
publication on the EUCAST website
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17. Can NACs attend SC meetings?
• All NACs can opt for attending meetings if they
cover own meeting costs
• Normally only one NAC is allowed per meeting
• The interest in participating in SC meetings has
been modest in many countries, partly for financial
reasons
• Many countries have NACs with limited experience
with setting breakpoints
• One way of obtaining experience is to serve as
General Committee representative in the Steering
Committee
18. EUCAST expectations from NACs
• Increased level of contact is desirable
• Hybrid breakpoint tables are not a good way
forward
– Let us discuss until we agree
– Or there is (rarely) a reason not to harmonise (e.g.
different available dosing regimens)
– NACs should have few exceptions from the
published EUCAST table
– We can discuss about agents not currently available
in the breakpoint tables
19. Acknowledgements
The EUCAST Steering Committee members, past and
present
EUCAST Development Laboratory, Dr Erika Matuschek
and Ms Jenny Åhman
All EUCAST NACs