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Proliferation and Differentiation of Murine Myeloid Precursor 32D/G-CSF-R Cells
Published on: February 21, 2018
Prophylactic granulocyte colony-stimulating factor and granulocyte-macrophage colony-stimulating factor decrease
Lillian Sung1, Paul C Nathan, Beverly Lange
1Department of Pediatrics, University of Toronto, Ontario, Canada. Lillian.sung@sickkids.ca
Insights
Prophylactic colony-stimulating factors (CSFs) significantly reduced febrile neutropenia and hospitalization duration in pediatric cancer patients. However, CSFs did not impact infection-related mortality in this patient group.
Area of Science:
- Pediatric Oncology
- Hematology
- Pharmacology
Background:
- Febrile neutropenia is a serious complication in children undergoing cancer treatment.
- Hematopoietic colony-stimulating factors (CSFs) are used to mitigate neutropenia.
- Evidence on the efficacy of prophylactic CSFs in pediatric cancer patients requires synthesis.
Purpose of the Study:
- To evaluate the effectiveness of prophylactic colony-stimulating factors (CSFs) in reducing febrile neutropenia in pediatric cancer patients.
- To assess the impact of CSFs on hospitalization duration, infection rates, antibiotic use, and infection-related mortality.
- To synthesize existing evidence through a meta-analysis of randomized controlled trials.
Main Methods:
- Meta-analysis of randomized controlled trials involving pediatric cancer patients receiving prophylactic CSFs.
- Inclusion criteria required randomization to CSFs versus placebo or no therapy.
- Chemotherapy regimens were identical in both arms; studies focused on prophylactic CSF administration before neutropenic events.
Main Results:
- CSFs demonstrated a significant reduction in febrile neutropenia (rate ratio, 0.80; P =.01) and hospitalization length (weighted mean difference, -1.9 days; P <.00001).
- A significant decrease was observed in documented infections (rate ratio, 0.78; P =.02) and amphotericin B use (rate ratio, 0.50; P =.02).
- No significant difference was found in parenteral antibiotic duration or infection-related mortality (rate ratio, 1.02; P =.97).
Conclusions:
- Prophylactic CSFs are associated with a 20% reduction in febrile neutropenia and shorter hospital stays in children with cancer.
- While CSFs improve certain outcomes, they do not appear to reduce infection-related mortality.
- Further research may be warranted to optimize CSF use in pediatric oncology.
Purpose:
To determine whether prophylactic hematopoietic colony-stimulating factors (CSFs) used in children with cancer reduce the rate of febrile neutropenia, hospitalization duration, documented infection rate, parenteral antibiotic duration, amphotericin B use, or infection-related mortality.
Methods:
We included studies in this meta-analysis if their populations consisted of children, if there was randomization between CSFs and placebo or no therapy, if CSFs were administered prophylactically (before neutropenia or febrile neutropenia), and if chemotherapy treatments preceding CSFs and placebo or no therapy were identical. From 971 reviewed study articles, 16 were included.
Results:
The mean rate of febrile neutropenia in the control arms was 57% (range, 39% to 100%). Using a random effects model, CSFs were associated with a reduction in febrile neutropenia, with a rate ratio of 0.80 (95% CI, 0.67 to 0.95; P =.01), and a decrease in hospitalization length, with a weighted mean difference of -1.9 days (95% CI, -2.7 to -1.1 days; P <.00001). CSF use was also associated with reduction in documented infections (rate ratio, 0.78; 95% CI, 0.62 to 0.97; P =.02) and reduction in amphotericin B use (rate ratio, 0.50; 95% CI, 0.28 to 0.87; P =.02). There was no difference in duration of parenteral antibiotic therapy (weighted mean difference, -4.3; 95% CI, -10.6 to 2.0 days; P =.2) or infection-related mortality (rate ratio, 1.02; 95% CI, 0.34 to 3.06; P =.97).
Conclusion:
CSFs were associated with a 20% reduction in febrile neutropenia and shorter duration of hospitalization; however, CSFs did not reduce infection-related mortality.
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