A Pilot Study Showing Fluconazole and Flucytosine Activities against Candida glabrata are Affected by Low pH: Implications for the Treatment of Recurrent Vulvovaginal Candidiasis

Ziauddin Khan, Suhail Ahmad, Mohammad Asadzadeh
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Abstract

Background : Candida albicans (C. albicans) and Candida glabrata (C. glabrata ) are mainly associated with vulvovaginal candidiasis (VVC). Management of VVC caused by C. glabrata is particularly challenging due to its inherent reduced susceptibility to fluconazole. In this prospective laboratory-based cohort study, we investigated the effect of pH on in vitro susceptibility of Candida spp. isolates to fluconazole and flucytosine. Methods : Vaginal isolates of C. glabrata , C. albicans , Candida tropicalis (C. tropicalis) and Candida parapsilosis (C. parapsilosis) were tested for susceptibility to fluconazole and flucytosine by Epsilometer test (ETEST) strips on Roswell
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一项试验性研究显示氟康唑和氟尿嘧啶抗白色念珠菌的活性受低 pH 值的影响:治疗复发性外阴阴道念珠菌病的意义
背景:白色念珠菌(C. albicans)和光滑念珠菌(C. glabrata)主要与外阴阴道念珠菌病(VVC)有关。由于格氏念珠菌对氟康唑的敏感性降低,因此治疗由格氏念珠菌引起的外阴阴道念珠菌病尤其具有挑战性。在这项基于实验室的前瞻性队列研究中,我们调查了 pH 值对体外分离的念珠菌属对氟康唑和氟尿嘧啶敏感性的影响。方法:在罗斯韦尔(Roswell)阴道镜下,用易普素测试(ETEST)条检测阴道分离的白色念珠菌(C. glabrata)、白色念珠菌(C. albicans)、热带念珠菌(C. tropicalis)和副丝状念珠菌(C. parapsilosis)对氟康唑和氟尿嘧啶的敏感性。
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