Impact of the use of azole fungicides, other than as human medicines, on the development of azole‐resistant Aspergillus spp.

Abstract The use of azoles in the European Union and European Economic Area (EU/EEA) other than as human medicines has raised concerns about emergence and spread of azole‐resistant Aspergillus species. EU agencies, with the support of JRC, reviewed the evidence and provided conclusions and recommend...

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Main Authors: European Food Safety Authority (EFSA), European Centre for Disease Prevention and Control (ECDC), European Chemicals Agency (ECHA), European Environment Agency (EEA), European Medicines Agency (EMA), European Commission's Joint Research Centre (JRC)
Format: Article
Language:English
Published: Wiley 2025-01-01
Series:EFSA Journal
Subjects:
Online Access:https://doi.org/10.2903/j.efsa.2025.9200
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author European Food Safety Authority (EFSA)
European Centre for Disease Prevention and Control (ECDC)
European Chemicals Agency (ECHA)
European Environment Agency (EEA)
European Medicines Agency (EMA)
European Commission's Joint Research Centre (JRC)
author_facet European Food Safety Authority (EFSA)
European Centre for Disease Prevention and Control (ECDC)
European Chemicals Agency (ECHA)
European Environment Agency (EEA)
European Medicines Agency (EMA)
European Commission's Joint Research Centre (JRC)
author_sort European Food Safety Authority (EFSA)
collection DOAJ
description Abstract The use of azoles in the European Union and European Economic Area (EU/EEA) other than as human medicines has raised concerns about emergence and spread of azole‐resistant Aspergillus species. EU agencies, with the support of JRC, reviewed the evidence and provided conclusions and recommendations on this topic. Although incomplete, data from 2010 to 2021 showed that around 120,000 tonnes of azoles were sold in EU/EEA for uses other than as human medicines. The majority are used as plant protection products (119,000 tonnes), with a stable temporal trend. Evidence supported a link between environmental azole exposure and cross‐resistance selection to medical azoles in Aspergillus species (primarily shown for A. fumigatus). Prevalence of azole‐resistant A. fumigatus in human A. fumigatus infections ranges from 0.7% to 63.6% among different disease presentations and geographic regions; mortality rates range from 36% to 100% for invasive aspergillosis (IA). It was concluded that azole usage outside the human domain is likely or very likely to contribute to selection of azole‐resistant A. fumigatus isolates that could cause severe disease like IA. Environmental hotspots for resistance selection were identified, including stockpiling of agricultural waste and their possible use as soil amendment/fertiliser for certain agricultural crops (for plant protection products) and freshly cut wood (for biocides). Recommendations were formulated on measures to prevent and control selection of azole resistance in A. fumigatus, including implementation of good agricultural/horticultural practices, proper agricultural and wood waste storage and management, and on approval of new azole fungicides or renewal of existing fungicides. Recommendations on topics to be covered by studies provided when submitting applications for the approval of azole fungicides were listed. For the evaluation of such studies within the approval procedure, a preliminary framework for risk assessment was developed and should be further refined. Data gaps and uncertainties were identified, alongside with respective recommendations to address them.
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spelling doaj-art-9a9c979368dc4e6e82ed8a4102970c2a2025-01-31T12:06:04ZengWileyEFSA Journal1831-47322025-01-01231n/an/a10.2903/j.efsa.2025.9200Impact of the use of azole fungicides, other than as human medicines, on the development of azole‐resistant Aspergillus spp.European Food Safety Authority (EFSA)European Centre for Disease Prevention and Control (ECDC)European Chemicals Agency (ECHA)European Environment Agency (EEA)European Medicines Agency (EMA)European Commission's Joint Research Centre (JRC)Abstract The use of azoles in the European Union and European Economic Area (EU/EEA) other than as human medicines has raised concerns about emergence and spread of azole‐resistant Aspergillus species. EU agencies, with the support of JRC, reviewed the evidence and provided conclusions and recommendations on this topic. Although incomplete, data from 2010 to 2021 showed that around 120,000 tonnes of azoles were sold in EU/EEA for uses other than as human medicines. The majority are used as plant protection products (119,000 tonnes), with a stable temporal trend. Evidence supported a link between environmental azole exposure and cross‐resistance selection to medical azoles in Aspergillus species (primarily shown for A. fumigatus). Prevalence of azole‐resistant A. fumigatus in human A. fumigatus infections ranges from 0.7% to 63.6% among different disease presentations and geographic regions; mortality rates range from 36% to 100% for invasive aspergillosis (IA). It was concluded that azole usage outside the human domain is likely or very likely to contribute to selection of azole‐resistant A. fumigatus isolates that could cause severe disease like IA. Environmental hotspots for resistance selection were identified, including stockpiling of agricultural waste and their possible use as soil amendment/fertiliser for certain agricultural crops (for plant protection products) and freshly cut wood (for biocides). Recommendations were formulated on measures to prevent and control selection of azole resistance in A. fumigatus, including implementation of good agricultural/horticultural practices, proper agricultural and wood waste storage and management, and on approval of new azole fungicides or renewal of existing fungicides. Recommendations on topics to be covered by studies provided when submitting applications for the approval of azole fungicides were listed. For the evaluation of such studies within the approval procedure, a preliminary framework for risk assessment was developed and should be further refined. Data gaps and uncertainties were identified, alongside with respective recommendations to address them.https://doi.org/10.2903/j.efsa.2025.9200antifungalAspergillusazole resistancebiocidefungicidehotspot
spellingShingle European Food Safety Authority (EFSA)
European Centre for Disease Prevention and Control (ECDC)
European Chemicals Agency (ECHA)
European Environment Agency (EEA)
European Medicines Agency (EMA)
European Commission's Joint Research Centre (JRC)
Impact of the use of azole fungicides, other than as human medicines, on the development of azole‐resistant Aspergillus spp.
EFSA Journal
antifungal
Aspergillus
azole resistance
biocide
fungicide
hotspot
title Impact of the use of azole fungicides, other than as human medicines, on the development of azole‐resistant Aspergillus spp.
title_full Impact of the use of azole fungicides, other than as human medicines, on the development of azole‐resistant Aspergillus spp.
title_fullStr Impact of the use of azole fungicides, other than as human medicines, on the development of azole‐resistant Aspergillus spp.
title_full_unstemmed Impact of the use of azole fungicides, other than as human medicines, on the development of azole‐resistant Aspergillus spp.
title_short Impact of the use of azole fungicides, other than as human medicines, on the development of azole‐resistant Aspergillus spp.
title_sort impact of the use of azole fungicides other than as human medicines on the development of azole resistant aspergillus spp
topic antifungal
Aspergillus
azole resistance
biocide
fungicide
hotspot
url https://doi.org/10.2903/j.efsa.2025.9200
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