Open forum infectious diseases · 2026
Challenging the Concept of Uncomplicated Candidemia for Shorter Courses of Antifungal Therapy.
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Papadimitriou-Olivgeris Matthaios, Senn Laurence, Coste Alix, Lamoth Frédéric
Аннотация
BACKGROUND: A recent proposal introduced criteria to distinguish uncomplicated from complicated candidemia and identify patients who might be candidates for a shortened (7-day) course of antifungal therapy. We evaluated the feasibility and potential impact of this strategy in a real-world cohort.
METHODS: This retrospective study included patients with candidemia at Lausanne University Hospital (2015-2024). We estimated the sample size required for a randomized non-inferiority trial comparing 7 vs 14 days of therapy for episodes with uncomplicated candidemia and the reduction in antifungal treatment days under a hypothetical 7-day treatment strategy.
RESULTS: Among 314 episodes of candidemia, 103 (33%) were classified as uncomplicated. Of the 264 (84%) episodes surviving beyond the first 5 days without limitation of care, 30-day mortality was lower in uncomplicated than complicated candidemia (7% vs 20%; P = .006). Based on a hypothetical randomized non-inferiority trial comparing 7 vs 14 days of antifungal therapy, assuming an expected event rate of 25% and a non-inferiority margin of 7.5%, 1103 patients would be required. Overall, the 314 episodes received 6377 days of antifungal therapy (median, 14 days; interquartile range 13-18). A shortened 7-day treatment strategy for uncomplicated candidemia would have reduced antifungal exposure by 799 treatment days, corresponding to a 13% reduction.
CONCLUSIONS: Uncomplicated candidemia accounted for only one-third of episodes, and abbreviated therapy would yield a modest reduction in antifungal exposure. The large sample size required and limited stewardship benefit suggest that a randomized trial would be challenging to conduct.
METHODS: This retrospective study included patients with candidemia at Lausanne University Hospital (2015-2024). We estimated the sample size required for a randomized non-inferiority trial comparing 7 vs 14 days of therapy for episodes with uncomplicated candidemia and the reduction in antifungal treatment days under a hypothetical 7-day treatment strategy.
RESULTS: Among 314 episodes of candidemia, 103 (33%) were classified as uncomplicated. Of the 264 (84%) episodes surviving beyond the first 5 days without limitation of care, 30-day mortality was lower in uncomplicated than complicated candidemia (7% vs 20%; P = .006). Based on a hypothetical randomized non-inferiority trial comparing 7 vs 14 days of antifungal therapy, assuming an expected event rate of 25% and a non-inferiority margin of 7.5%, 1103 patients would be required. Overall, the 314 episodes received 6377 days of antifungal therapy (median, 14 days; interquartile range 13-18). A shortened 7-day treatment strategy for uncomplicated candidemia would have reduced antifungal exposure by 799 treatment days, corresponding to a 13% reduction.
CONCLUSIONS: Uncomplicated candidemia accounted for only one-third of episodes, and abbreviated therapy would yield a modest reduction in antifungal exposure. The large sample size required and limited stewardship benefit suggest that a randomized trial would be challenging to conduct.