Clinical Research Directory

AspergillusOne-Health: Deciphering Azole Resistance in Aspergillus Fungi Using a One Health Approach

Sponsor: Nantes University Hospital

Summary

During a two year prospective study onpatients from department's hospitals and centralized by the pneumology department Nantes CH,all respiratory clinical samples will be cultivated for Aspergillus isolation (2900Aspergillusisolates) as standard care. The azole susceptibility pattern of isolates will be determined to itraconazole, voriconazole by subculture on azole- enriched medium at 35°c as primary screen and resistance confirmed by EUCAST Reference metho.In parallel, the relevance of detecting resistance (TR34 and TR46) directly in culture-negative BAL respiratory samples by a qPCR method will be studied in an attempt to reach a greater exhaustiveness of the resistance phenomeno. In case of azole-resistant isolate,patient data such as the underlying disease,date and site of Aspergillus isolation,disease classification,previous azole drug exposure,and home and work geographic allocation,occupation of the patient will be collecte. For all other aspergillus occurrences, underlying disease, previous azole drug exposure,home and work location of the patient will be collected in an attempt to identify risk factor.

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