Here you can find the latest news and updates from EUCAST.

02 Nov 2023
bioMerieux has still not withdrawn the malfunctioning colistin AST material

This is a general and iterated EUCAST warning against material sold by bioMerieux for susceptibility testing (AST) of colistin. It is years since it was conclusively shown by scientists that material for AST sold by bioMerieux...[more]

30 Oct 2023
RAST breakpoints for prolonged incubation (16-20h) now published in JAC

Recently we made breakpoints available (on the website) for RAST incubation beyond the standard 4, 6 and 8h for when reading at those incubation times is not prectical. Now the rationale for this is published in the Journal of...[more]

13 Oct 2023
Methods document on MIC testing of yeasts updated by AFST

The Edef 7.4 document "Method for the determination of broth dilution minimum inhibitory concentrations of antifungal agents for yeasts" has been updated (v. 7.4, 13 October, 2023). [more]

30 Sep 2023
Consultation on proposed changes in the 2024 (v 14.0) breakpoint table

In preparation for next year´s table (EUCAST Breakpoint Table 14.0, 2024), EUCAST aims to institute several changes as listed below. Each change is minor but may still have unforeseen consequences in individual laboratories. If...[more]

21 Sep 2023
SOPs 12 and 13 on the development of appropriate disks content published

EUCAST and CLSI have developed joint critera for determining the appropriate disk content (potency) for antibiotic disks used for disk diffusion in methods recommended by EUCAST and CLSI. SOPs 12 and 13 describe procedures for...[more]

20 Sep 2023
Optimised dosing of antibiotics - understanding PK/PD, clinical breakpoints, and therapeutic drug monitoring

Optimised dosing of antibiotics - understanding PK/PD, clinical breakpoints, and therapeutic drug monitoring; Boston, United States, 9 – 10 October 2023. [more]

13 Sep 2023
Cefiderocol susceptibility testing - an update

This is to inform all EUCAST users that the evaluation of cefiderocol susceptibility testing methods is being taken very seriously by EUCAST and still on-going. Our aim is to have a modified recommendation available on the...[more]

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