Chen SC, Perfect J, Colombo AL, Cornely OA, Groll AH, Seidel D, Albus K, de Almedia JN Jr, Garcia-Effron G, Gilroy N, Lass-Flörl C, Ostrosky-Zeichner L, Pagano L, Papp T, Rautemaa-Richardson R, Salmanton-García J, Spec A, Steinmann J, Arikan-Akdagli S, Arenz DE, Sprute R, Duran-Graeff L, Freiberger T, Girmenia C, Harris M, Kanj SS, Roudbary M, Lortholary O, Meletiadis J, Segal E, Tuon FF, Wiederhold N, Bicanic T, Chander J, Chen YC, Hsueh PR, Ip M, Munoz P, Spriet I, Temfack E, Thompson L, Tortorano AM, Velegraki A, and Govender NP
Uncommon, or rare, yeast infections are on the rise given increasing numbers of patients who are immunocompromised or seriously ill. The major pathogens include those of the genera Geotrichum, Saprochaete, Magnusiomyces, and Trichosporon (ie, basidiomycetes) and Kodamaea, Malassezia, Pseudozyma (ie, now Moesziomyces or Dirkmeia), Rhodotorula, Saccharomyces, and Sporobolomyces (ie, ascomycetes). A considered approach to the complex, multidisciplinary management of infections that are caused by these pathogens is essential to optimising patient outcomes; however, management guidelines are either region-specific or require updating. In alignment with the One World-One Guideline initiative to incorporate regional differences, experts from diverse geographical regions analysed publications describing the epidemiology and management of the previously mentioned rare yeasts. This guideline summarises the consensus recommendations with regards to the diagnostic and therapeutic options for patients with these rare yeast infections, with the intent of providing practical assistance in clinical decision making. Because there is less clinical experience of patients with rare yeast infections and studies on these patients were not randomised, nor were groups compared, most recommendations are not robust in their validation but represent insights by use of expert opinions and in-vitro susceptibility results. In this Review, we report the key features of the epidemiology, diagnosis, antifungal susceptibility, and treatment outcomes of patients with Geotrichum, Saprochaete, Magnusiomyces, and Trichosporon spp infections., Competing Interests: Declaration of interests KA, DEA, JC, LD-G, CG, P-RH, MI, SSK, OL, LP, TP, RR-R, MR, JS-G, ES, DS, AS, IS, RS, JS, ET, LT, AMT, MH, and FFT declare no competing interests. SA-A reports speaker honoraria from Gilead Sciences and travel grants from Astellas and Pfizer, outside the submitted work. TB reports grants from Gilead Sciences and personal fees from Gilead Sciences and Pfizer, outside the submitted work. SC-AC reports untied educational grants from Merck Sharp and Dohme Australia and F2G and is on the antifungal advisory boards of Merck Sharp and Dohme Australia, Gilead Sciences, and F2G, outside the submitted work. ALC reports grants from Astellas and Pfizer; personal fees from Astellas, Pfizer, Eurofarma, Merck Sharp and Dohme, Gilead Sciences, and Biotoscana-United Medical; and non-financial support from Eurofarma, Gilead Sciences, and Biotoscana-United Medical, outside the submitted work. OAC is supported by the German Federal Ministry of Research and Education; is funded by the Deutsche Forschungsgemeinschaft under Germany's Excellence Strategy (Cologne Cluster of Excellence on Cellular Stress Responses in Aging-associated Diseases, EXC 2030—390661388); has received research grants from Actelion, Amplyx, Astellas, Basilea, Cidara, Da Volterra, F2G, Gilead Sciences, Janssen, Medicines Company, Melinta, Merck/Merck Sharp and Dohme, Octapharma, Pfizer, and Scynexis; is a consultant to Actelion, Allecra, Amplyx, Astellas, Basilea, Biosys, Cidara, Da Volterra, Entasis, F2G, Gilead Sciences, Matinas, MedPace, Menarini, Merck/Merck Sharp and Dohme, Mylan, Nabriva, Noxxon, Octapharma, Paratek, Pfizer, PSI, Roche Diagnostics, Scynexis, and Shionogi; and has received lecture honoraria from Al-Jazeera Pharmaceuticals, Astellas, Basilea, Gilead Sciences, Grupo Biotoscana, Merck/Merck Sharp and Dohme, and Pfizer, outside the submitted work. JNdAJ reports grants from Fundação de Amparo à Pesquisa do Estado de São Paulo, outside the submitted work. TF reports grants from Ministry of Health, Czech Republic, outside the submitted work. GG-E reports grants from Gador SA Laboratory (Argentina) and travel grants from Pfizer and Grupo Biotoscana, outside the submitted work. NG reports honoraria from Merck Sharp and Dohme, Australia, in 2019 and has participated in educational activities under the auspices of the Australia–New Zealand Mycology Interest Group. The Australia–New Zealand Mycology Interest Group workshops and meetings receive pharmaceutical sponsorship (from Pfizer, Gilead Sciences, Merck Sharp and Dohme, and Mayne Pharma), outside the submitted work. NPG reports grants from the National Institutes of Health, US Center for Disease Control and Prevention, Bill & Melinda Gates Foundation, UK Medical Research Council, and National Health Laboratory Service Research Trust and non-financial support from Gilead Sciences, outside the submitted work. AHG reports grants from Gilead Sciences, Merck Sharp and Dohme, and Pfizer and personal fees from Amplyx, Astellas, Basilea, Gilead Sciences, Merck Sharp and Dohme, Pfizer, F2G, and Synexis, outside the submitted work. CL-F reports grants from Gilead Sciences and Astellas and personal fees from Gilead Sciences, Astellas, Merck Sharp and Dohme, Basilea, and Angelini, outside the submitted work. JM reports grants from Astellas, Gilead Sciences, Merck Sharp and Dohme, and Pfizer, outside the submitted work. PM reports personal fees from Angelini, Basilea, Gilead Sciences, Merck Sharp and Dohme, Nabriva, Pfizer, and Fundación Ciencias de la Salud, outside the submitted work. LO-Z reports grants from Cidara, Scynexis, Amplyx, Pfizer, and Astellas and personal fees from Cidara, Scynexis, F2G, Pfizer, Astellas, Merck, and Gilead Sciences, outside the submitted work. JP reports grants from Merck, Astellas, Pfizer, Amplyx, and Minnetronix and personal fees from Merck, F2G, Scynexis, Amplyx, and Ampili, outside the submitted work. AV reports research grants from Procter and Gamble, L'Oréal Paris, Pfizer, and Astellas and honorarium from Merck Sharp and Dohme, outside the submitted work. NW reports grants from Astellas, bioMerieux, Cepheid, Cidara, Covance, F2G, and Viamet and personal fees from Gilead Sciences and Mayne Pharma, outside the submitted work. Y-CC reports personal fees for lectures from Pfizer, Merck Sharp and Dohme, and Gilead Sciences, outside the submitted work., (Copyright © 2021 Elsevier Ltd. All rights reserved.)