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Miyata A, Kimura U, Noguchi H, Matsumoto T, Hiruma M, Kano R, Takamori K, Suga Y. Tinea capitis caused by Trichophyton violaceum successfully treated with fosravuconazole. J Dermatol 2021; 48:e331-e332. [PMID: 33860561 DOI: 10.1111/1346-8138.15901] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Revised: 03/16/2021] [Accepted: 03/26/2021] [Indexed: 11/28/2022]
Affiliation(s)
- Ayaka Miyata
- Department of Dermatology, Juntendo University Urayasu Hospital, Chiba, Japan
| | - Utako Kimura
- Department of Dermatology, Juntendo University Urayasu Hospital, Chiba, Japan
| | - Hiromitsu Noguchi
- Noguchi Dermatology Clinic, Kumamoto, Japan.,Ochanomizu Institute for Medical Mycology and Allergology, Tokyo, Japan
| | - Tadahiko Matsumoto
- Noguchi Dermatology Clinic, Kumamoto, Japan.,Ochanomizu Institute for Medical Mycology and Allergology, Tokyo, Japan
| | - Masataro Hiruma
- Ochanomizu Institute for Medical Mycology and Allergology, Tokyo, Japan
| | - Rui Kano
- Department of Veterinary Dermatology, Nihon University College of Bioresource Sciences, Kanagawa, Japan
| | - Kenji Takamori
- Department of Dermatology, Juntendo University Urayasu Hospital, Chiba, Japan
| | - Yasushi Suga
- Department of Dermatology, Juntendo University Urayasu Hospital, Chiba, Japan
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Abstract
Background Dermatophytic fungi of genera Trichophyton and Microsporum are the most important fungal species causing tinea capitis. Choice of treatment for tinea capitis is determined by the species of fungus. Aim The aim of the study was to investigate the most prevalent fungal species causing tinea capitis in children from Egypt and the most useful antifungal agent for treatment. Patients and Methods A total of 100 patients diagnosed clinically with tinea capitis were included in the study. Samples were collected and sent to the microbiology and immunology laboratory for sample processing and fungal identification by routine laboratory techniques. A study of antifungal susceptibility to chosen antifungal medications (fluconazole, ketoconazole, clotrimazole, miconazole, amphotericin, caspofungin, itraconazole, terbinafine, and griseofulvin) was done by minimum inhibitory concentration technique. Results Our analysis revealed that Microsporum canis is the most commonly isolated strain. Amphotericin was the most effective antifungal agent followed by terbinafine. The most sensitive strain to fluconazole and griseofulvin is Microsporum gypseum, while Microsporum audouinii was mostly responsive to terbinafine. Conclusion Identification and evaluation of the antifungal susceptibility of the pathogenic species in a certain geographic region is important to achieve a good clinical response.
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Affiliation(s)
- Reham William Doss
- Department of Dermatology, Faculty of Medicine, Beni-Suef University, Beni Suef, Egypt
| | - Abdel-Aziz El-Rifaie
- Department of Dermatology, Faculty of Medicine, Beni-Suef University, Beni Suef, Egypt
| | - Nagla Radi
- Department of Microbiology and Immunology, Faculty of Medicine, Beni-Suef University, Beni Suef, Egypt
| | - Aya Yehia El-Sherif
- Department of Dermatology, Faculty of Medicine, Beni-Suef University, Beni Suef, Egypt
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Deng S, de Hoog GS, Verweij PE, Zoll J, Ilkit M, Morsali F, Abliz P, Wang X, Zhan P, Yang L, Hasimu H, Liao W, Pan W, Seyedmousavi S. In vitro antifungal susceptibility of Trichophyton violaceum isolated from tinea capitis patients. J Antimicrob Chemother 2014; 70:1072-5. [PMID: 25492394 DOI: 10.1093/jac/dku503] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
OBJECTIVES Trichophyton violaceum is an anthropophilic dermatophyte that is endemic to parts of Africa and Asia and is sporadic in Europe. T. violaceum mainly causes tinea capitis in both children and adolescents. Although the infections caused by T. violaceum are of considerable medical importance, its antifungal susceptibility profile remains poorly examined. METHODS In this study, we tested the in vitro antifungal susceptibility of a set of clinical T. violaceum isolates obtained from tinea capitis patients, using the CLSI broth microdilution method. We tested eight antifungals and used isolates collected from Western China (21), Eastern China (12), the Middle East (1), Europe (20), South Africa (7) and Canada (1). RESULTS The geometric means of the MICs of the antifungals for all isolates were as follows (in increasing order): posaconazole, 0.021 mg/L; terbinafine, 0.023 mg/L; voriconazole, 0.062 mg/L; amphotericin B, 0.20 mg/L; itraconazole, 0.34 mg/L; caspofungin, 0.56 mg/L; fluconazole, 4.23 mg/L; and flucytosine, 8.46 mg/L. No statistically significant differences in the susceptibility profiles of T. violaceum were detected within the geographical regions tested. CONCLUSIONS Posaconazole, terbinafine and voriconazole were shown to be the most potent antifungal agents against T. violaceum isolates obtained from tinea capitis patients worldwide. These results might help clinicians in developing appropriate therapies that have a high probability of successfully treating tinea capitis due to T. violaceum.
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Affiliation(s)
- S Deng
- Shanghai Institute of Medical Mycology, Changzheng Hospital, Second Military Medical University, Shanghai, China First Hospital of Xinjiang Medical University, Urumqi, China CBS-KNAW Fungal Biodiversity Centre, Utrecht, The Netherlands
| | - G S de Hoog
- CBS-KNAW Fungal Biodiversity Centre, Utrecht, The Netherlands Institute for Biodiversity and Ecosystem Dynamics, University of Amsterdam, Amsterdam, The Netherlands Peking University Health Science Center, Research Center for Medical Mycology, Beijing, China Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China King Abdulaziz University, Jeddah, Saudi Arabia
| | - P E Verweij
- Department of Medical Microbiology, Radboudumc, Nijmegen, The Netherlands
| | - J Zoll
- Department of Medical Microbiology, Radboudumc, Nijmegen, The Netherlands
| | - M Ilkit
- Division of Mycology, Department of Microbiology, Faculty of Medicine, University of Çukurova, Adana, Turkey
| | - F Morsali
- Department of Medical Mycology and Parasitology, Faculty of Medicine and Medical Sciences, Islamic Azad University, Ardabil Branch, Ardabil, Iran
| | - P Abliz
- First Hospital of Xinjiang Medical University, Urumqi, China
| | - X Wang
- First Hospital of Xinjiang Medical University, Urumqi, China
| | - P Zhan
- CBS-KNAW Fungal Biodiversity Centre, Utrecht, The Netherlands
| | - L Yang
- CBS-KNAW Fungal Biodiversity Centre, Utrecht, The Netherlands
| | - H Hasimu
- First Hospital of Xinjiang Medical University, Urumqi, China
| | - W Liao
- Shanghai Institute of Medical Mycology, Changzheng Hospital, Second Military Medical University, Shanghai, China
| | - W Pan
- Shanghai Institute of Medical Mycology, Changzheng Hospital, Second Military Medical University, Shanghai, China
| | - S Seyedmousavi
- Department of Medical Microbiology, Radboudumc, Nijmegen, The Netherlands Department of Medical Mycology and Parasitology, Faculty of Medicine and Medical Sciences, Islamic Azad University, Ardabil Branch, Ardabil, Iran Invasive Fungi Research Center, Mazandaran University of Medical Sciences, Sari, Iran Department of Medical Microbiology and Infectious Diseases, Erasmus MC, Rotterdam, The Netherlands
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Ghannoum M, Isham N, Sheehan D. Voriconazole susceptibilities of dermatophyte isolates obtained from a worldwide tinea capitis clinical trial. J Clin Microbiol 2006; 44:2579-80. [PMID: 16825385 PMCID: PMC1489484 DOI: 10.1128/jcm.00818-06] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
In this study, the voriconazole susceptibilities of dermatophyte isolates obtained from a worldwide tinea capitis trial were compared to their susceptibilities to fluconazole and griseofulvin. The MIC ranges of voriconazole, fluconazole, and griseofulvin, were 0.002 to 0.06 microg/ml, 0.25 to 32 microg/ml, and 0.125 to 2.0 microg/ml, respectively.
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Affiliation(s)
- M Ghannoum
- Center for Medical Mycology, University Hospital of Cleveland, 11100 Euclid Avenue, Cleveland, OH 44106, USA.
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