A Retrospective Multicenter Study to Examine the Risk Factors for Febrile Neutropenia during Amrubicin Hydrochloride Therapy for Recurrent Small Cell Lung Cancer
Abstract
In Japan, amrubicin hydrochloride (AMR) is occasionally administered to patients with recurrent small cell lung cancer (SCLC). AMR therapy can induce febrile neutropenia (FN), a complication that may be fatal or compromise therapeutic efficacy due to treatment interruption or dose reduction. Identifying risk factors for FN is therefore critical to ensuring safe and effective AMR administration. Current evidence on this issue remains limited to small case series, underscoring the need for more robust studies. We conducted a multicenter retrospective analysis to examine predictors of FN during AMR treatment for recurrent SCLC. Patients who received AMR between April 1, 2013, and March 31, 2023, were included. The cohort comprised 256 patients, divided into 192 without FN and 64 with FN. Multivariate analysis demonstrated that performance status (PS) >2 (odds ratio: 5.8, 95% confidence interval: 1.70-19.80, p=0.005) and hematocrit (HCT) (odds ratio: 0.93, 95% confidence interval: 0.877-0.994, p=0.033) were significantly associated with FN development. These findings suggest that PS and HCT may serve as key indicators for predicting FN during AMR therapy in patients with recurrent SCLC.
How strong is the evidence?
Evidence Hub reads this as a case series, done in people. Its evidence level is 5 of 5 (Very low · case / narrative / animal / in vitro / in silico). Case reports, narrative reviews, and animal, cell or computer-model studies give the weakest evidence for human health. Reported size: 256 participants or records.
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