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Interpreting febrile neutropenia rates from randomized, controlled trials for consideration of primary prophylaxis in the real world: a systematic review and meta-analysis.
| Content Provider | Semantic Scholar |
|---|---|
| Author | Truong, Judy Lee, Esther Kim Trudeau, Maureen E. Chan, Kelvin K. W. |
| Copyright Year | 2015 |
| Abstract | BACKGROUND Guidelines recommend primary prophylaxis (PP) with granulocyte-colony-stimulating factors (G-CSF) for patients above a febrile neutropenia (FN) risk threshold of 20%. Practitioners often use FN rates of regimens based on data from randomized, controlled trials (RCTs), which are often comprised of highly selected patients. Patients in the community setting may be at higher risk of FN. MATERIALS AND METHODS A systematic literature search was conducted for full-length articles reporting FN rates for breast cancer-related chemotherapies between January 1996 and February 2014. A regimen was included if there was at least one RCT and one observational study. Meta-regression was used to model the odds of FN. RESULTS 130 studies involving 29 regimens and 50 069 patients were identified. Sixty-five observational study (n = 7812) and 110 RCT (n = 42 257) cohorts were included. The unadjusted FN rate was 11.7% in observational and 7.9% in RCT cohorts. The univariable odds ratio (OR) for FN in the observational study compared with RCT cohorts was 1.58 [95% confidence interval (CI) 1.09-2.28; P = 0.017]. The FN rates remained significantly higher in the observational study compared with RCT cohorts (OR = 1.74; 95% CI 1.15-2.62; P = 0.012) after adjusting for age, chemotherapy intent, and regimen; this meant that a 13% (95% CI 8.7% to 17.9%) FN rate in RCT would translate into 20% FN rate in observational study. CONCLUSIONS FN rates in the observational studies are significantly higher than suggested by RCTs. Guidelines should clarify how FN rates from RCTs should be applied in clinical practice. Large population-based studies are needed to confirm FN rates in the real world. |
| Starting Page | 215 |
| Ending Page | 227 |
| Page Count | 13 |
| File Format | PDF HTM / HTML |
| Alternate Webpage(s) | https://oup.silverchair-cdn.com/oup/backfile/Content_public/Journal/annonc/27/4/10.1093_annonc_mdv619/2/mdv619.pdf?Expires=1492114623&Key-Pair-Id=APKAIUCZBIA4LVPAVW3Q&Signature=LPx3nWcHhjwdAuf3PIo4jGEaBiW5ptoizl32MwvQ~LrmNA2~B1elD3oGUEutgm29omg5o5ZzACCREmEy74YXVtv5KEznzCAGlEejp6oXPFFJGE2hUlbTR-YI17wYVR1dkDF0bcWtTlat1KpbcNhVb8rPo2gXcv19BRNQ9qvK5IZTJwGG75~p3bWzcFWStoQ4Zv8fKZuCgLeObhkDwQjUQWuI96QnaPVydDpo0sZrhC1Leg2exJXUhypSECr8KGkufTBb-XDFx~78dglpXQXdr1LheJDZ2Nt5fcwth2qGqpah87PmzJTXi59DLLl3TopaR~aqN2SAgiLG~lhDVSCQ~Q__ |
| PubMed reference number | 26712901v1 |
| Alternate Webpage(s) | https://doi.org/10.1093/annonc/mdv619 |
| DOI | 10.1200/jco.2015.33.15_suppl.9626 |
| Journal | Annals of oncology : official journal of the European Society for Medical Oncology |
| Volume Number | 27 |
| Issue Number | 4 |
| Language | English |
| Access Restriction | Open |
| Subject Keyword | Addison Disease Chemotherapy Colony-Stimulating Factors Confidence Intervals Febrile Neutropenia Fever Filgrastim Mammary Neoplasms Odds Ratio Patients Stimulation (motivation) granulocyte |
| Content Type | Text |
| Resource Type | Article |
