Clinical efficacy of adjunctive G-CSF on solid tumor and lymphoma patients with established febrile neutropenia |
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Authors: | Alexandre Chan Qi Xuan Wong Mohamed Karah Ali Mabel Wong Li Yang Hsu |
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Institution: | 1. Department of Pharmacy, Faculty of Science, National University of Singapore, Block S4, 18 Science Drive 4, Singapore, 117543, Singapore 2. Department of Pharmacy, National Cancer Centre, Singapore, Singapore 5. Pharmaceutical Care Services-Oncology Pharmacy, International Medical Center, Jeddah, Saudi Arabia 3. Department of Medical Oncology, National Cancer Centre, Singapore, Singapore 4. Department of Medicine, National University Health System, Singapore, Singapore
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Abstract: | Background The use of granulocyte colony-stimulating factor (G-CSF) as a prophylaxis against febrile neutropenia (FN) is well documented in the literature; however, the therapeutic use of G-CSF in the treatment of FN remains controversial. This study assessed the efficacy of adjunctive G-CSF in the treatment of FN by evaluating clinical outcomes. Methods This was a single-center, prospective cohort study conducted at the National Cancer Center in Singapore. Adult patients who had received chemotherapy and developed FN between January 2009 and January 2012 were included in the analysis. The clinical efficacy of adjunctive G-CSF was evaluated by investigating the duration of hospitalization, duration to absolute neutrophil count (ANC) recovery, duration of grade IV neutropenia, duration to fever resolution, duration of antibiotic therapy, and incidence of documented infections. A multivariate analysis was performed to identify patients who could potentially benefit from adjunctive G-CSF. Results Four hundred and thirty patients were analyzed. Majority manifested low-risk FN (81.2 %) based on the Multinational Association of Supportive Care in Cancer (MASCC) scoring. Compared to patients who did not receive adjunctive G-CSF, patients receiving adjunctive G-CSF had a nonsignificant reduction in the duration of hospitalization (3.5 vs. 3.7 days, p?=?0.41) and in ANC recovery time (3.4 vs. 3.5 days, p?=?0.76). Neutropenia-related mortality was lower among those who have received adjunctive G-CSF (2.4 vs. 8.4 %, p?=?0.006). Patients of Indian ethnicity and those who underwent gemcitabine-containing chemotherapy were less likely to receive adjunctive G-CSF treatment. Conclusions This observational study suggested that adjunctive G-CSF may confer clinical benefits among solid tumor and lymphoma patients with established febrile neutropenia. Further research should be conducted to validate the findings. |
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