Pathogens (Basel, Switzerland) · 2024
Outcomes of Invasive Fungal Infections Treated with Isavuconazole: A Retrospective Review.
СтатьяПоддержка NIH: внешняя программаНазвание и аннотация: Перевод в очереди
Обработка статьи · этапы, ошибки и управление
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Gow-Lee Vanessa, Abu Saleh Omar M, Harris Courtney E, Gile Jennifer J, Akhiyat Nadia, Chesdachai Supavit
Аннотация
BACKGROUND: Isavuconazole (ISA) has a favorable side effect profile that makes it attractive for treatment of invasive fungal infections (IFI). It carries FDA approval for invasive aspergillosis and mucormycosis, but there are fewer data for other organisms and non-pulmonary infections. We conducted this review to investigate how ISA performed at treating IFI, with an especial interest in these non-approved indications.
METHODS: We retrospectively identified and reviewed 131 patients who received ISA as treatment for IFI at our institution, some of whom received ISA as their first anti-fungal therapy and others who received ISA as either step-down therapy or salvage therapy. We identified the microbiologic cause of infection as well as the anatomic site involved for each patient. We then classified patients according to their response to ISA: namely cured, partially responded, or stabilized.
RESULTS: The majority of patients were immunocompromised (n = 76, 58%). ISA was used primarily as a secondary therapy (n = 116, 89%); either as a step-down/switching from other agents, or as salvage therapy. The most common reasons for switching to ISA were toxicities with prior agents followed by QT prolongation. Although pulmonary aspergillosis and mucormycosis were represented in more than half of the cohort, ISA was also used off-label for treatment of other organisms such as endemic fungi (n = 19, 15%) as well as central nervous system (CNS) infections (n = 15, 11%). We have described the detailed clinical characteristics of these CNS infections cases. The overall clinical response rate varied by type of infection and site involved (57-73% response rate).
CONCLUSIONS: We demonstrated encouraging clinical responses, particularly outside the FDA-approved indications, as well as good tolerability. This report highlights the critical need for expanded scope of prospective studies to delineate the efficacy of this better-tolerated agent, especially in central nervous system infections.
METHODS: We retrospectively identified and reviewed 131 patients who received ISA as treatment for IFI at our institution, some of whom received ISA as their first anti-fungal therapy and others who received ISA as either step-down therapy or salvage therapy. We identified the microbiologic cause of infection as well as the anatomic site involved for each patient. We then classified patients according to their response to ISA: namely cured, partially responded, or stabilized.
RESULTS: The majority of patients were immunocompromised (n = 76, 58%). ISA was used primarily as a secondary therapy (n = 116, 89%); either as a step-down/switching from other agents, or as salvage therapy. The most common reasons for switching to ISA were toxicities with prior agents followed by QT prolongation. Although pulmonary aspergillosis and mucormycosis were represented in more than half of the cohort, ISA was also used off-label for treatment of other organisms such as endemic fungi (n = 19, 15%) as well as central nervous system (CNS) infections (n = 15, 11%). We have described the detailed clinical characteristics of these CNS infections cases. The overall clinical response rate varied by type of infection and site involved (57-73% response rate).
CONCLUSIONS: We demonstrated encouraging clinical responses, particularly outside the FDA-approved indications, as well as good tolerability. This report highlights the critical need for expanded scope of prospective studies to delineate the efficacy of this better-tolerated agent, especially in central nervous system infections.