Journal
JOURNAL OF ALLERGY AND CLINICAL IMMUNOLOGY
Volume 113, Issue 6, Pages 1122-1128Publisher
MOSBY-ELSEVIER
DOI: 10.1016/j.jaci.2004.03.038
Keywords
nasal polyps; amphotericin B; antifungal agents; sinusitis; fungi
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Background: Recently, fungal elements were suspected to be the causative agent of chronic rhinosinusitis, and benefits of topical amphotericin B therapy have been reported. Objective: The effects of amphotericin B versus control nasal spray on chronic rhinosinusitis were compared in a double-blind, randomized clinical trial. Methods: Patients with chronic rhinosinusitis were administered 200 muL per nostril amphotericin B (3 mg/mL) or saline nasal spray 4 times daily over a period of 8 weeks. The response rate, defined as a 50% reduction of pretreatment computed tomography score, was the primary outcome variable. Additional outcome variables included a symptom score, a quality of life score, and an endoscopy score. Before and after treatment, nasal lavages were pretreated with dithiothreitol and examined for fungal elements by PCR and standard culture techniques. Results: Seventy-eight patients were included, and 60 patients finished the study per protocol. In the control group, no positive response (0 of 32) was observed, and 2 of 28 patients responded in the amphotericin B group (P > .2). The symptom scores were distinctly worse after amphotericin B therapy (P < .005). The other parameters investigated did not differ remarkably between the treatment groups. Conclusion: Nasal amphotericin B spray in the described dosing and time schedule is ineffective and deteriorates patient symptoms.
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