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Cost-effectiveness of three echinocandins and fluconazole in the treatment of candidemia and/or invasive candidiasis in nonneutropenic adult patients

Authors Grau S, Pozo JC, Romá E, Salavert M, Barrueta JA, Peral C, Rodriguez I, Rubio-Rodríguez D, Rubio-Terrés C

Received 1 July 2015

Accepted for publication 28 August 2015

Published 13 October 2015 Volume 2015:7 Pages 527—535

DOI https://doi.org/10.2147/CEOR.S91587

Checked for plagiarism Yes

Review by Single-blind

Peer reviewers approved by Dr Michael Liebman

Peer reviewer comments 2

Editor who approved publication: Dr Giorgio Colombo

S Grau,1 JC Pozo,2 E Romá,2 M Salavert,3 JA Barrueta,4 C Peral,4 I Rodriguez,5 D Rubio-Rodríguez,6 C Rubio-Terrés6

1Hospital del Mar (IMIM), Barcelona, 2Hospital Universitario Reina Sofía, Córdoba, 3Hospital Universitario y Politécnico La Fe, Valencia, 4Pfizer SLU, Alcobendas, 5Trial Form Support, Madrid, 6Health Value, Madrid, Spain

Objective: To estimate the cost-effectiveness of three echinocandins (anidulafungin, caspofungin, and micafungin) and generic fluconazole in the treatment of nonneutropenic adult patients with candidemia and/or invasive candidiasis in intensive care units in Spain.
Materials and methods: A decision-tree model was applied. The success and safety (hepatic and renal adverse effects) of first-line treatments were obtained from meta-analyses and systematic reviews of clinical trials. In the case of failure, a second-line treatment (liposomal amphotericin B after the echinocandins, or one of the echinocandins after fluconazole) was administered. The duration of the treatments (14 days total) was established by a panel of clinical experts using the Delphi method and according to Infectious Diseases Society of America guidelines. The cost of the medications and renal toxicity were considered. Deterministic and probabilistic sensitivity analysis using Monte Carlo simulations were carried out.
Results: The total cost of the treatment of candidemia and/or invasive candidiasis with anidulafungin, caspofungin, micafungin, and fluconazole was €5,483, €5,968, €6,231, and €2,088, respectively. Anidulafungin was the dominant treatment (more effective, less expensive) compared to micafungin and caspofungin. The cost of achieving one more patient successfully treated with anidulafungin, caspofungin, and micafungin compared to fluconazole was €17,199, €23,962, and €27,339, respectively. The result remained stable, despite modification of the duration of the first-line and second-line treatments, as well as most of the dosing regimens. The probabilistic analysis also remained stable.
Conclusion: In accordance with this economic study, anidulafungin would produce savings and would be the dominant treatment compared with micafungin and caspofungin in nonneutropenic adult patients with candidemia and/or invasive candidiasis in intensive care units in Spain.

Keywords: invasive candidiasis, candidemia, anidulafungin, micafungin, caspofungin, fluconazole, cost-effectiveness analysis

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