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Journal Article
Research Support, Non-U.S. Gov't
Retrospective Cohort Analysis of Liposomal Amphotericin B Nephrotoxicity in Patients with Hematological Malignancies.
Antimicrobial Agents and Chemotherapy 2017 September
We retrospectively examined the incidence, onset, risk factors, and outcomes of renal injury during 103 treatment courses of liposomal amphotericin B (L-AMB) in 97 adult patients with hematological malignancies. All the patients were analyzed before, during, and after the administration of L-AMB, and renal injury was graded according to the RIFLE criteria (risk, injury, failure, loss of function, end-stage renal disease). Most patients (87.3%) received L-AMB at 3 mg/kg of body weight/day. Nearly two-thirds (61.7%) of the treatment courses did not meet any RIFLE category for renal injury, while 19.4% of patients were classified at risk, 13.6% met an injury classification, and 5.8% were categorized as developing renal failure. However, 15% of the patients developed renal injury within 48 h of the onset of multiorgan failure associated with sepsis, bleeding, or progressing malignancy. When these patients were analyzed as a competing risk for L-AMB-associated renal injury (RIFLE category I or above) in a multivariate Cox regression model, receipt of cyclosporine (subhazard ratio [SHR], 2.62; 95% confidence interval [CI], 1.10 to 6.27; P = 0.03), cyclosporine plus furosemide at ≥40 mg/day (SHR, 5.46; 95% CI, 1.89 to 15.74; P = 0.002), or cyclosporine plus foscarnet (SHR, 9.03; 95% CI, 3.68 to 22.14; P < 0.0001) were the only comedications significantly associated with increased rates of renal injury. The cumulative incidence of L-AMB renal injury during the first 10 days of therapy was 7% overall but only 3% in patients who were not receiving cyclosporine. Hence, the renal risk of L-AMB therapy may be lessened if patients are switched to alternative agents after 7 to 10 days or if aggressive diuresis and/or foscarnet is avoided, especially among patients receiving calcineurin inhibitors.
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