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Potential cost saving of Epoetin alfa in elective hip or knee surgery due to reduction in blood transfusions and their side effects: a discrete-event simulation model.

ABSTRACT: OBJECTIVES:Transfusion of allogeneic blood is still common in orthopedic surgery. This analysis evaluates from the perspective of a German hospital the potential cost savings of Epoetin alfa (EPO) compared to predonated autologous blood transfusions or to a nobloodconservationstrategy (allogeneic blood transfusion strategy)during elective hip and knee replacement surgery. METHODS:Individual patients (N?=?50,000) were simulated based on data from controlled trials, the German DRG institute (InEK) and various publications and entered into a stochastic model (Monte-Carlo) of three treatment arms: EPO, preoperative autologous donation and nobloodconservationstrategy. All three strategies lead to a different risk for an allogeneic blood transfusion. The model focused on the costs and events of the three different procedures. The costs were obtained from clinical trial databases, the German DRG system, patient records and medical publications: transfusion (allogeneic red blood cells: €320/unit and autologous red blood cells: €250/unit), pneumonia treatment (€5,000), and length of stay (€300/day). Probabilistic sensitivity analyses were performed to determine which factors had an influence on the model's clinical and cost outcomes. RESULTS:At acquisition costs of €200/40,000 IU EPO is cost saving compared to autologous blood donation, and cost-effective compared to a nobloodconservationstrategy. The results were most sensitive to the cost of EPO, blood units and hospital days. CONCLUSIONS:EPO might become an attractive blood conservation strategy for anemic patients at reasonable costs due to the reduction in allogeneic blood transfusions, in the modeled incidence of transfusion-associated pneumonia andthe prolongedlength of stay.

SUBMITTER: Tomeczkowski J

PROVIDER: S-EPMC3767728 | biostudies-literature | 2013

REPOSITORIES: biostudies-literature

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Potential cost saving of Epoetin alfa in elective hip or knee surgery due to reduction in blood transfusions and their side effects: a discrete-event simulation model.

Tomeczkowski Jörg J Stern Sean S Müller Alfred A von Heymann Christian C

PloS one 20130909 9

<h4>Objectives</h4>Transfusion of allogeneic blood is still common in orthopedic surgery. This analysis evaluates from the perspective of a German hospital the potential cost savings of Epoetin alfa (EPO) compared to predonated autologous blood transfusions or to a nobloodconservationstrategy (allogeneic blood transfusion strategy)during elective hip and knee replacement surgery.<h4>Methods</h4>Individual patients (N = 50,000) were simulated based on data from controlled trials, the German DRG i ...[more]

PMID: 24039829

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Project description:BACKGROUND AND OBJECTIVES:This study was conducted to compare the safety and efficacy of intravenous epoetin alfa-epbx, an epoetin alfa biosimilar, to epoetin alfa in patients on hemodialysis with ESKD and anemia. DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS:In this 24-week, multicenter, double-blind comparative efficacy and safety study, 612 patients on hemodialysis with ESKD and anemia who had stable hemoglobin and were receiving stable doses of intravenous epoetin alfa were randomized (1:1) to intravenous epoetin alfa or epoetin alfa-epbx. Dosing was adjusted according to the epoetin alfa prescribing information. The coprimary efficacy end points were the least squares mean difference between the two treatments in mean weekly hemoglobin level and mean weekly epoetin dose per kilogram of body weight during the last 4 weeks of treatment. RESULTS:The least squares mean difference between epoetin alfa-epbx and epoetin alfa in weekly hemoglobin was -0.12 g/dl and the 95% confidence interval (-0.25 to 0.01) was contained within the prespecified equivalence margin (-0.5 to 0.5 g/dl). The least squares mean difference between epoetin alfa-epbx and epoetin alfa in weekly epoetin dose per kilogram of body weight was 0.37 U/kg per week, and the 95% confidence interval (-10.40 to 11.13) was contained within the prespecified equivalence margin (-45 to 45 U/kg per week). Incidences of adverse events (77.1% versus 75.3%), serious adverse events (24.9% versus 27.0%), and deaths (n=5 versus 6) were similar between the epoetin alfa-epbx and epoetin alfa groups, respectively. Five patients tested positive for anti-recombinant human erythropoietin antibodies at baseline, and two additional patients (n=1 per group) developed anti-recombinant human erythropoietin antibodies while on study treatment. All patients tested negative for neutralizing antibodies, and no patient in either group experienced an event of pure red cell aplasia. CONCLUSIONS:This 24-week, comparative, clinical trial in patients on hemodialysis with ESKD and anemia demonstrated there is no clinically meaningful difference in efficacy or safety between epoetin alfa-epbx and epoetin alfa.

Dataset Information

Potential cost saving of Epoetin alfa in elective hip or knee surgery due to reduction in blood transfusions and their side effects: a discrete-event simulation model.

Publications

Potential cost saving of Epoetin alfa in elective hip or knee surgery due to reduction in blood transfusions and their side effects: a discrete-event simulation model.

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