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Introduction: Payment for oncology care is increasingly moving from fee-for-service to value-based payment (VBP). VBPs are agreements in which providers are held accountable for total cost of care (TCOC) through risk-sharing arrangements with payers that tie reimbursement levels to TCOC benchmarks. Oncology biosimilars may play an important role in managing financial risk in the VBPs like Medicare's Oncology Care Model (OCM), but there has been limited research in this area. The objective of this study is to estimate the impact of biosimilar adoption on TCOC and oncology provider financial performance under the terms of the Medicare OCM. Methods: We conducted a population-based simulation study using the Medicare Limited Data Set (LDS) and the methodology of Medicare's OCM. The primary outcome was the simulated average change in TCOC per 6-month episode of care attributable to use of biosimilars as an alternative to reference products. The study population consisted of episodes of care in 2020 and using the reference product or corresponding biosimilar for bevacizumab, rituximab, trastuzumab, epoetin alfa, filgrastim, or pegfilgrastim. TCOC was calculated for each episode of care with use of reference products only and compared with TCOC with corresponding biosimilars. The simulation calculated TCOC outcomes in cohorts of 100 episodes sampled from the Medicare LDS study population using a Monte Carlo simulation with 10,000 iterations. Results: Among the total of 8281 6-month oncology care episodes identified in the study period (initiating January 2020 to July 2020) in Medicare claims, 1586 (19.2%) episodes met OCM and study criteria and were included. Applying the simulation methods to these observed episodes, biosimilar substitution reduced mean TCOC per episode by $1193 (95% CI $583–1840). The cost reduction from biosimilars represented 2.4% of the average TCOC benchmark and led to a 15% reduction in the risk of providers needing to pay recoupments to Medicare for exceeding TCOC benchmarks. Conclusions: On the basis of our simulation study using observed Medicare claims and OCM criteria, we found that biosimilar substitution for reference products can significantly lower episode TCOC and improve provider financial performance under the terms of the largest value-based payment model implemented to date. [ABSTRACT FROM AUTHOR]

Abstract Background Patients with preoperative anemia have a higher risk of requiring blood transfusion after major orthopedic surgery due to increased blood loss and closer transfusion thresholds. Various patient blood management (PBM) policies aim to reduce transfusion rates. This observational study aimed to investigate blood loss and evaluate the effectiveness of an adjusted surgical PBM protocol in patients with anemic chronic disease (ACD) undergoing elective total knee arthroplasty (TKA). Methods A consecutive cohort of patients underwent elective unilateral TKA with an adjusted PBM protocol. The protocol consisted of epoetin (EPO) alfa therapy prescribed by the surgeon, routine administration of tranexamic acid (TXA), and standardized postoperative pharmacologic prophylaxis for thromboembolism. The performance of this PBM protocol was analyzed in patients with a baseline hemoglobin level of less than 12 g/dl. Hemoglobin levels were controlled at admission, on postoperative day (POD) 1, and on POD 7 ± 1. A bleeding index (BI-7) was used as an estimate of blood loss up until POD 7. Multiple linear regression was used to assess whether there were any differences in BI-7 between ACD– and ACD + patients. Results A total of 751 patients with complete hemoglobin monitoring were included in the study. Of these patients, 68 (9.1%) had a baseline hemoglobin concentration of less than 12 g/dl (ACD group). In this group, 28 patients (41.2%) received preoperative EPO therapy. The mean adjusted BI-7 for the study population was 3.0 (95% CI, 2.9 to 3.0) g/dl in the ACD– group and 2.3 (95% CI, 2.0–2.6) g/dl in the ACD + group. The difference in BI-7 was statistically significant (difference, 0.6 [95% CI: 0.3 to 0.9] g/dl, p