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Published on: March 19, 2019
Anidulafungin in the treatment of patients with invasive candidiasis
Daniel H Kett1, G Fernando Cubillos
1University of Miami Miller School of Medicine, Miami, FL 33101-6960, USA. d.kett@miami.edu
Abstract:
Echinocandins have emerged as important agents for the treatment of invasive candidiasis. Forthcoming guidelines are expected to recommend an echinocandin agent as initial primary therapy in patients who are severely ill and/or have risk factors for azole resistance. Amphotericin B deoxycholate and fluconazole should be considered for initial therapy in specific populations. The echinocandin, anidulafungin, has been shown to have higher response rates compared with fluconazole in patients with invasive candidiasis. Additionally, patients treated with anidulafungin compared with patients receiving fluconazole have exhibited a trend toward improved survival. The three echinocandins (anidulafungin, caspofungin and micafungin) offer proven efficacy along with excellent side-effect profiles. While these three drugs have important differences, the empirical selection of an echinocandin should be based on the specific patient population, including clinical status, the suspected pathogen, and the susceptibility pattern at the institution. Once the Candida species is identified and its susceptibility is determined, clinicians should consider step-down therapy to either fluconazole or voriconazole, with possible conversion from intravenous to oral therapy.
Insights
Echinocandins are recommended for invasive candidiasis treatment, especially in severe cases or those with azole resistance risk. Anidulafungin shows higher response rates and improved survival trends compared to fluconazole.
Area of Science:
- Infectious Diseases
- Pharmacology
- Mycology
Background:
- Invasive candidiasis requires effective antifungal therapy.
- Echinocandins are emerging as key agents for treating invasive fungal infections.
- Azole resistance is a growing concern in Candida infections.
Purpose of the Study:
- To review the role of echinocandins in invasive candidiasis treatment.
- To compare the efficacy of anidulafungin with fluconazole.
- To guide the selection of echinocandins based on patient factors and pathogen susceptibility.
Main Methods:
- Review of clinical trial data and guidelines.
- Comparative analysis of echinocandin efficacy and safety.
- Discussion of treatment strategies including empirical and step-down therapy.
Main Results:
- Anidulafungin demonstrated higher response rates than fluconazole in invasive candidiasis.
- A trend towards improved survival was observed with anidulafungin compared to fluconazole.
- The three available echinocandins (anidulafungin, caspofungin, micafungin) offer proven efficacy and favorable side-effect profiles.
Conclusions:
- Echinocandins are recommended for initial therapy in severely ill patients or those at risk for azole resistance.
- Selection of an echinocandin should be individualized based on patient status, suspected pathogen, and institutional susceptibility patterns.
- Step-down therapy with azoles (fluconazole or voriconazole) is a viable option after pathogen identification and susceptibility testing.
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