Galactomannan-guided preemptive vs. empirical antifungals in the persistently febrile neutropenic patient: a prospective randomized study
2011
Tan, Ban Hock | Low, Jenny Guek Hong | Chlebicka, Nidhi L. | Kurup, Asok | Cheah, Foong-Koon | Lin, Raymond Tzer Pin | Goh, Yeow Tee | Wong, Gee Chuan
BACKGROUND: Patients with neutropenic fever after 4–7days of broad-spectrum antibiotics are given antifungals empirically. This strategy may lead to over-treatment. METHODS: Patients with hematological malignancies undergoing intensive chemotherapy or hematopoietic stem cell transplantation were randomized to two arms. Patients in the ‘preemptive’ arm had regular galactomannan (GM) assays, and received caspofungin, amphotericin or voriconazole (CAV) for persistent febrile neutropenia if they had two positive GM results, or a positive GM result and a computed tomography (CT) of the thorax suggestive of invasive pulmonary aspergillosis (IPA). Patients in the ‘empirical’ arm received CAV in accordance with established guidelines. RESULTS: Of 27 episodes in the preemptive arm, two cases of IPA were picked up by monitoring. In six episodes, CAV was started despite persistently negative GM readings. One additional patient received CAV for a false-positive GM. Of 25 episodes in the empirical arm, CAV was started empirically in 10, one of whom had CT features of IPA. By intent-to-treat and evaluable-episode analyses, respectively, the preemptive approach saved 11% and 14% of patients from empirical antifungals. Twelve-week survival was 85.2% in the preemptive arm and 84% in the empirical arm. CONCLUSIONS: A preemptive approach may reduce empirical antifungal use without compromising survival in persistently febrile neutropenic patients.
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