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Trends in anemia care in non-dialysis-dependent chronic kidney disease (CKD) patients in the United States (2006-2015).

Abstract：

BACKGROUND:The objective of the study was to examine overall anemia management trends in non-dialysis patients with chronic kidney disease (CKD) from 2006 to 2015, and to evaluate the impact of Trial to Reduced Cardiovascular Events with Ananesp Therapy (TREAT)'s study results (October 2009) and the US Food and Drug Administration (FDA)'s (June 2011) safety warnings and guidelines on the use of ESA therapy in the current treatment of anemia. METHODS:A retrospective cohort analysis of anemia management in CKD patients using Truven MarketScan Commercial and Medicare Supplemental databases was conducted. Monthly rates and types of anemia treatment for post-TREAT and post-FDA safety warning periods were compared to pre-TREAT period. Anemia management included ESA, intravenous iron, and blood transfusion. A time-series analysis using Autoregressive Integrated Moving Average (ARIMA) model and a Generalized Estimating Equation (GEE) model were used. RESULTS:Between 2006 and 2015, CKD patients were increasingly less likely to be treated with ESAs, more likely to receive intravenous iron supplementation, and blood transfusions. The adjusted probabilities of prescribing ESAs were 31% (odds ratio (OR) = 0.69, 95% confidence interval (CI): 0.67-0.71) and 59% (OR = 0.41, 95% CI: 0.40, 0.42) lower in the post-TREAT and post-FDA warning periods compared to pre-TREAT period. The probability of prescribing intravenous iron was increased in the post-FDA warning period (OR = 1.11, 95% CI: 1.03-1.19) although the increase was not statistically significant in the post-TREAT period (OR = 1.03, 95% CI: 0.94-1.12). The probabilities of prescribing blood transfusion during the post-TREAT and post-FDA warning periods increased by 14% (OR = 1.14, 95% CI: 1.06-1.23) and 31% (OR = 1.31, 95% CI: 1.22-1.39), respectively. Similar trends of prescribing ESAs and iron supplementations were observed in commercially insured CKD patients but the use of blood transfusions did not increase. CONCLUSIONS:After the 2011 FDA safety warnings, the use of ESA continued to decrease while the use of iron supplementation continued to increase. The use of blood transfusions increased significantly in Medicare patients while it remained stable in commercially insured patients. Results suggest the TREAT publication had effected treatment of anemia prior to the FDA warning but the FDA warning solidified TREAT's recommendations for anemia treatment for non- dialysis dependent CKD patients.

journal_name

BMC Nephrol

journal_title

BMC nephrology

authors

Park H,Liu X,Henry L,Harman J,Ross EA

doi

10.1186/s12882-018-1119-7

subject

Has Abstract

pub_date

2018-11-09 00:00:00

pages

318

issue

issn

1471-2369

pii

10.1186/s12882-018-1119-7

journal_volume

pub_type

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Trends in anemia care in non-dialysis-dependent chronic kidney disease (CKD) patients in the United States (2006-2015).