Background: Invasive pulmonary aspergillosis (IPA) is a leading cause of mortality in immunocompromised patients, with the highest risk observed in patients with acute leukaemia or lung transplantation. IPA-prophylactic strategies include administration of aerosolized amphotericin-B. Liposomal amphotericin-B (L-AmB) is one of the formulations available, although few data exist on safety and tolerability. Methods: Data on tolerability, systemic toxicity and effects of aerosolized L-AmB on pulmonary function were recorded in a subgroup out of 271 haematological patients enrolled in a placebo-controlled trial on the efficacy of aerosolized L-AmB for the prevention of IPA. Using an adaptive aerosol-delivery system, nebulization of L-AmB or placebo was performed during chemotherapy-induced neutropenia for 30 min/day on 2 consecutive days/week with a maximum of 6 weeks. Results: Thirty-eight patients (41 episodes) received L-AmB, 39 patients (49 episodes) received placebo. Proportions of patients with >20% post-nebulization decline in forced expiratory volume in 1 s (FEV1) or forced vital capacity (FVC) did not differ between groups. Also 26/38 L-AmB patients (68%) versus 31/39 patients (79%) on placebo had no significant decline during the entire treatment (p=0.20). Coughing was significantly more reported in L-AmB patients (p<0.0001). No differences were observed when baseline and post-nebulization serum levels of renal function and hepatic enzymes were compared. Conclusions: Short-term prophylactic nebulization of L-AmB was well tolerated and not associated with decline in pulmonary function or systemic adverse effects.

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Keywords Aerosol, Amphotericin-B, Nebulization, Safety, Spirometry, Tolerability
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Journal Pulmonary Pharmacology and Therapeutics
Slobbe, L, Boersma, H, & Rijnders, B.J.A. (2008). Tolerability of prophylactic aerosolized liposomal amphotericin-B and impact on pulmonary function: Data from a randomized placebo-controlled trial. Pulmonary Pharmacology and Therapeutics, 21(6), 855–859. doi:10.1016/j.pupt.2008.09.001