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Background: Real-world data suggests superiority of pegfilgrastim (PEG) over filgrastim (FIL) in reducing the incidence of chemotherapy-induced febrile neutropenia (FN), probably attributable to underdosed FIL in practice. We used real-world data to assess the cost–effectiveness of primary prophylaxis with PEG versus FIL in cancer patients at intermediate-to-high risk of FN from a US payer perspective. Methods: A Markov model with lifetime horizon. Results: For the high-risk group, PEG (vs FIL) biosimilars resulted in 0.43 FN events prevented (FNp), 0.27 quality-adjusted life-years gained (QALYg) and a cost saving of USD$5703. For the intermediate-risk group, PEG biosimilar led to 0.18 FNp and 0.12 QALYg, at USD$9674/FNp and USD$14,502/QALYg. Conclusion: PEG biosimilars may provide opportunities to optimize FN management in patients with intermediate-to-high FN risk. Our results have demonstrated that, by taking the real-world dosing and effectiveness of pegfilgrastim versus filgrastim into account, pegfilgrastim biosimilars have the potential to financially optimize neutropenia management in cancer patients by reducing febrile neutropenia (FN) incidence and FN-related healthcare resource utilization, and to potentially improve health outcomes. Extending primary prophylaxis with pegfilgrastim biosimilars from cancer patients with high-to-intermediate risk of FN resulted in clinical benefits, at acceptable incremental costs. Given the accelerated availability of pegfilgrastim biosimilars, it is important to instigate a rethink of FN management in cancer patients and implement guidelines that maximize the benefits of pegfilgrastim both clinically and economically. [ABSTRACT FROM AUTHOR]

Background: NYVEPRIA, a pegfilgrastim (a long-acting granulocyte colony-stimulating factor [G-CSF]) biosimilar, was recently recommended for marketing authorization in Europe for decreasing the incidence of febrile neutropenia (FN) in patients with non-myeloid malignancies receiving myelosuppressive anti-cancer drugs. The present study aimed to evaluate the financial impact of introducing a new pegfilgrastim biosimilar from a French healthcare system perspective. Methods: An Excel-based budget impact model was developed to estimate the financial impact by introducing a new pegfilgrastim biosimilar (NYVEPRIA) to France over a 5-year time horizon. Comparators included existing long-acting and short-acting G-CSFs. The burden of FN was obtained from existing literature. Costs (2021 Euros) included drug acquisition and administration, estimated based on drug dosage in both clinical trial and real-world settings. Scenario analyses were conducted to examine the robustness of key model assumptions. Results: In a total French population of 67.19 million, 79,873 patients were estimated to be treated with G-CSFs annually. The annual number of patients to be treated with NYVEPRIA was estimated to be 1593, 3195, 3674, 3782, and 4052 in years 1 to 5, respectively. Using real-world data, NYVEPRIA resulted in total annual cost savings of e8,620, e868,498, e868,498, e814,102, and e958,952 over years 1 to 5, respectively, leading to a cumulative 5-year cost savings of e3,518,669. Using data from clinical trials, NYVEPRIA resulted in total annual cost savings of e14,366, e1,447,496, e1,447,496, e1,356,836, and e1,598,253 over years 1 to 5, respectively, leading to a cumulative 5-year cost savings of e5,864,448. Conclusions: The introduction of a new pegfilgrastim biosimilar (NYVEPRIA) is potentially associated with substantial cost savings for the French healthcare system. [ABSTRACT FROM AUTHOR]

NYVEPRIA, a pegfilgrastim (a long-acting granulocyte colony-stimulating factor [G-CSF]) biosimilar, was recently recommended for marketing authorization in Europe for decreasing the incidence of febrile neutropenia (FN) in patients with non-myeloid malignancies receiving myelosuppressive anti-cancer drugs. The present study aimed to evaluate the financial impact of introducing a new pegfilgrastim biosimilar from a French healthcare system perspective. An Excel-based budget impact model was developed to estimate the financial impact by introducing a new pegfilgrastim biosimilar (NYVEPRIA) to France over a 5-year time horizon. Comparators included existing long-acting and short-acting G-CSFs. The burden of FN was obtained from existing literature. Costs (2021 Euros) included drug acquisition and administration, estimated based on drug dosage in both clinical trial and real-world settings. Scenario analyses were conducted to examine the robustness of key model assumptions. In a total French population of 67.19 million, 79,873 patients were estimated to be treated with G-CSFs annually. The annual number of patients to be treated with NYVEPRIA was estimated to be 1593, 3195, 3674, 3782, and 4052 in years 1 to 5, respectively. Using real-world data, NYVEPRIA resulted in total annual cost savings of €8,620, €868,498, €868,498, €814,102, and €958,952 over years 1 to 5, respectively, leading to a cumulative 5-year cost savings of €3,518,669. Using data from clinical trials, NYVEPRIA resulted in total annual cost savings of €14,366, €1,447,496, €1,447,496, €1,356,836, and €1,598,253 over years 1 to 5, respectively, leading to a cumulative 5-year cost savings of €5,864,448. The introduction of a new pegfilgrastim biosimilar (NYVEPRIA) is potentially associated with substantial cost savings for the French healthcare system. [ABSTRACT FROM AUTHOR]