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Abraham I, Crawford J, Schwartzberg L. On-body injector pegfilgrastim for chemotherapy-induced neutropenia prophylaxis: Current Status. Cancer Treat Res Commun 2024; 40:100824. [PMID: 38865836 DOI: 10.1016/j.ctarc.2024.100824] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2024] [Revised: 05/28/2024] [Accepted: 05/28/2024] [Indexed: 06/14/2024]
Abstract
INTRODUCTION Myelosuppression, a challenge in cancer treatment, often results in severe complications. Prophylactic granulocyte colony-stimulating factors, particularly pegfilgrastim, mitigate chemotherapy-induced neutropenia. This narrative review evaluates the role of on-body injector (OBI) devices for pegfilgrastim administration. A comprehensive search strategy of PubMed and AI-powered intuitive search tools, complemented by authors' contributions, yielded a body of papers presenting evidence on OBI devices, their effectiveness and safety, the benefits and challenges of OBI versus pre-filled syringe administration, patient preferences for pegfilgrastim administration, and economic considerations. DISCUSSION OBI devices prove effective and safe, with advantages such as reduced clinic visits and enhanced adherence. Studies highlight cost-efficiency and expanded access, emphasizing the socioeconomic context. Patient and provider preferences underscore the potential of OBI devices in cancer care, with implications for healthcare resource utilization and pharmacoeconomics. CONCLUSION The value proposition of OBI devices lies in improving patient outcomes, convenience, resource optimization, and enhancing the overall cancer care experience. As biosimilar OBIs enter the market, they may offer cost savings, further influencing their adoption and their positioning as a cost-efficient alternative in cancer care. Ongoing research and technological advancements are expected to contribute to the broader acceptance of OBI devices in cancer care delivery.
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Affiliation(s)
- Ivo Abraham
- Center for Health Outcomes and Pharmacoeconomic Research Center, R. Ken Coit College of Pharmacy, University of Arizona, Tucson, AZ, USA; The University of Arizona Cancer Center, Tucson, AZ, USA.
| | | | - Lee Schwartzberg
- William N. Pennington Cancer Institute at Renown Health, Reno, NV, USA; School of Medicine, University of Nevada - Reno, Reno, NV, USA
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Alkhatib NS, Halloush S, Abraham I. The status and preparation for the next decade of biosimilars in the Middle Eastern and North African region. Expert Opin Biol Ther 2023; 23:671-677. [PMID: 37493610 DOI: 10.1080/14712598.2023.2241346] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2023] [Accepted: 07/24/2023] [Indexed: 07/27/2023]
Abstract
INTRODUCTION Little is known about the status and the future potential of biosimilars in the Middle East and North Africa (MENA) region. AREAS COVERED This perspective provides insights into the current regulatory landscape of some MENA countries, currently available biosimilars, the potential of biosimilars in the next decade, and challenges to overcome. EXPERT OPINION Given the economic and demographic heterogeneity across the MENA countries, biosimilars could reduce significant economic unmet needs in these countries. In the next decade, biosimilars may witness higher approval rates and market share over their originators in the MENA countries. We argue that the regulatory bodies in the MENA countries should adopt the new policies of the FDA, the EMA, and the WHO, that aim to ease the biosimilar approval process. These policies are to adopt technology in the process of approval; engage health technology assessment bodies in price assessment; provide educational materials to increase awareness among providers, patients, and payers. Further, MENA countries should upgrade the external-reference pricing systems to more sophisticated ones that consider the heterogeneity in economics and needs.
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Affiliation(s)
- Nimer S Alkhatib
- Faculty of Pharmacy, Al-Zaytoonah University of Jordan, Amman, Jordan
- Center for Health Outcomes and PharmacoEconomic Evaluation, University of Arizona, Tucson, AZ, USA
- Pi Pharma Intelligence, LLC, Amman, Jordan
| | - Shiraz Halloush
- Faculty of Pharmacy, Applied Science Private University, Amman, Jordan
| | - Ivo Abraham
- Center for Health Outcomes and PharmacoEconomic Evaluation, University of Arizona, Tucson, AZ, USA
- Matrix45, LLC, Tucson, Arizona
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MacDonald K, Alrawashdh N, McBride A, Abraham I. Conversion to biosimilar pegfilgrastim-cbqv enables budget-neutral access to FOLFIRINOX treatment for metastatic pancreatic cancer. Future Oncol 2021; 17:4561-4570. [PMID: 34382416 DOI: 10.2217/fon-2021-0718] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Aim: To estimate the cost-savings from conversion to biosimilar pegfilgrastim-cbqv that can be reallocated to provide budget-neutral expanded access to FOLFIRINOX in patients with metastatic pancreatic cancer. Methods: Simulation modeling in a panel of 2500 FOLFIRINOX-treated patients, using varying treatment duration (1-12 cycles) and conversion rates (10-100%), to estimate cost-savings and additional FOLFIRINOX treatment that could be budget neutral. Results: In a 2500-patient panel at 100% conversion, savings of US$6,907.41 per converted patient over 12 cycles of prophylaxis translate to US$17.3 million and could provide 72,273 additional FOLFIRINOX doses or 6023 full 6-month regimens. Conclusion: Conversion to biosimilar CIN/FN prophylaxis can generate significant cost-savings and provide budget-neutral expanded access to FOLFIRINOX treatment for patients with metastatic pancreatic cancer.
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Affiliation(s)
| | - Neda Alrawashdh
- Center for Health Outcomes & PharmacoEconomic Research, University of Arizona, Tucson, AZ 85721, USA
| | - Ali McBride
- Center for Health Outcomes & PharmacoEconomic Research, University of Arizona, Tucson, AZ 85721, USA.,University of Arizona Cancer Center, Tucson, AZ 85724, USA.,Department of Pharmacy Practice & Science, College of Pharmacy, University of Arizona, Tucson, AZ 85721, USA
| | - Ivo Abraham
- Matrix45, Tucson, AZ 85743, USA.,Center for Health Outcomes & PharmacoEconomic Research, University of Arizona, Tucson, AZ 85721, USA.,University of Arizona Cancer Center, Tucson, AZ 85724, USA.,Department of Pharmacy Practice & Science, College of Pharmacy, University of Arizona, Tucson, AZ 85721, USA
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McBride A, MacDonald K, Abraham I. Conversion to supportive care with biosimilar pegfilgrastim-cbqv enables budget-neutral expanded access to R-CHOP treatment in non-Hodgkin lymphoma. Leuk Res 2021; 106:106591. [PMID: 33957339 DOI: 10.1016/j.leukres.2021.106591] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Accepted: 04/05/2021] [Indexed: 10/21/2022]
Abstract
This pharmacoeconomic simulation (1) assessed the cost-efficiency of converting a panel of 20,000 patients at risk of chemotherapy-induced (febrile) neutropenia (CIN/FN) from reference pegfilgrastim to biosimilar pegfilgrastim-cbqv; (2) estimated how savings can be used to provide budget-neutral expanded access to R-CHOP therapy for non-Hodgkin lymphoma patients; and 3) determined the number-needed-to-convert (NNC) to purchase one additional dose of R-CHOP (US payer perspective). Model inputs included biosimilar conversion from pre-filled syringe [PFS] or on-body injector [OBI] reference pegfilgrastim; age-proportional blended costs for reference pegfilgrastim PFS and OBI, pegfilgrastim-cbqv and R-CHOP; medication administration costs; biosimilar conversion rates of 10-100 %; and 1-6 cycles of prophylaxis. Cost-savings were used to estimate the number of doses of R-CHOP that could be purchased and the NNC to purchase one additional dose. Converting a panel of 20,000 patients requiring CIN/FN prophylaxis to biosimilar pegfilgrastim-cbqv from a low of 1 cycle and 10 % conversion to a high of 6 cycles and 100 % conversion yielded savings from $1,567,195 to $96,668,126. The budget-neutral acquisition of R-CHOP doses afforded by these savings ranged from 227 to 13,999 doses, the latter enabling 2333 patients to receive 6 cycles of R-CHOP treatment with no additional cost to the payer. These results are achieved if all 20,000 panel patients requiring GCSF support are prophylacted with biosimilar pegfilgrastim-cbqv for 6 cycles, yielding an NNC of 1.43 patients per additional R-CHOP dose. This simulation underscores the clinic-economic benefit of prophylaxis with biosimilar growth factor and pegfilgrastim-cbqv specifically.
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Affiliation(s)
- Ali McBride
- Center for Health Outcomes and PharmacoEconomic Research, University of Arizona, Tucson, AZ, USA; University of Arizona Cancer Center, Tucson, AZ, USA; Department of Pharmacy Practice and Science, College of Pharmacy, University of Arizona, Tucson, AZ, USA
| | | | - Ivo Abraham
- Center for Health Outcomes and PharmacoEconomic Research, University of Arizona, Tucson, AZ, USA; University of Arizona Cancer Center, Tucson, AZ, USA; Department of Pharmacy Practice and Science, College of Pharmacy, University of Arizona, Tucson, AZ, USA; Matrix45, Tucson, AZ, USA.
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McBride A, MacDonald K, Fuentes-Alburo A, Abraham I. Cost-efficiency and expanded access modeling of conversion to biosimilar trastuzumab-dkst with or without pertuzumab in metastatic breast cancer. J Med Econ 2021; 24:743-756. [PMID: 34003067 DOI: 10.1080/13696998.2021.1928515] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
AIMS To investigate the cost-efficiency and budget-neutral expanded access of biosimilar intravenous trastuzumab-dkst versus reference intravenous (trastuzumab-IV) and subcutaneous trastuzumab (trastuzumab-SC) (with/without pertuzumab) in metastatic breast cancer (MBC). METHODS Economic simulation modeling in a panel of 1,000 MBC patients to estimate: 1) cost-savings by conversion from trastuzumab-IV or trastuzumab-SC to trastuzumab-dkst at 10-100% conversion rates in 3 weight groups: first quartile (Q1:62.2 kg), median (73.1 kg), third quartile (Q3:88.6 kg), and 2) budget-neutral expanded access to trastuzumab-dkst from cost-savings. RESULTS In monotherapy, conversion (%) from trastuzumab-IV generates one-year cost-savings from $2,272,189 (Q1;10%) to $31,506,804 (Q3;100%) and from trastuzumab-SC monotherapy savings range from $2,071,277 (Q3;10%) to $35,775,475 (Q1;100%). In combination with pertuzumab, trastuzumab-dkst is cost-efficient in all patient weights with one-year savings over trastuzumab-IV up to $32,662,714 (Q3;100%) and over trastuzumab-SC up to $35,322,461 (Q1;100%). Savings from conversion from trastuzumab-IV monotherapy could provide between 3,087 (Q1;10%) and 30,911 (Q3;100%) additional trastuzumab-dkst doses-enough to treat 58 to 583 patients for one year. Conversion from trastuzumab-SC monotherapy could provide between 1,559 (Q3;10%) and 48,598 (Q1;100%) additional trastuzumab-dkst doses or 38 to 918 additional one-year treatments with trastuzumab-dkst. In combination with pertuzumab, conversion from trastuzumab-IV could provide from 311 (Q1;10%) to 3,939 (Q3;100%) maintenance doses (pertuzumab + trastuzumab-dkst) or 17 to 210 additional one-year regimens (all agents). Savings from conversion from trastuzumab-SC could expand access to 226 (Q3;10%) to 4,782 (Q1;100%) additional maintenance doses or 12 to 254 one-year regimens. CONCLUSIONS This first cost-efficiency and expanded access study of biosimilar therapeutic cancer agents shows that trastuzumab-dkst is cost-efficient over trastuzumab-IV and trastuzumab-SC across all patient weights in both monotherapy and combination with pertuzumab and paclitaxel. These cost savings could provide more patients with trastuzumab-dkst treatment on a budget-neutral basis.
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Affiliation(s)
- Ali McBride
- The University of Arizona Cancer Center, Tucson, AZ, USA
- Department of Pharmacy Practice and Science, The University of Arizona College of Pharmacy, Tucson, AZ, USA
- Banner University Medical Center, Tucson, AZ, USA
| | | | | | - Ivo Abraham
- The University of Arizona Cancer Center, Tucson, AZ, USA
- Department of Pharmacy Practice and Science, The University of Arizona College of Pharmacy, Tucson, AZ, USA
- Matrix45, Tucson, AZ, USA
- Center for Health Outcomes and PharmacoEconomic Research, University of Arizona, Tucson, AZ, USA
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MacDonald K, McBride A, Alrawashdh N, Abraham I. Cost-efficiency and expanded access of prophylaxis for chemotherapy-induced (febrile) neutropenia: economic simulation analysis for the US of conversion from reference pegfilgrastim to biosimilar pegfilgrastim-cbqv. J Med Econ 2020; 23:1466-1476. [PMID: 33023360 DOI: 10.1080/13696998.2020.1833339] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
AIMS In this pharmacoeconomic simulation, we: (1) modeled the cost-efficiency of converting patients from reference pegfilgrastim to biosimilar pegfilgrastim-cbqv for prophylaxis of chemotherapy-induced (febrile) neutropenia (CIN/FN) from the US payer perspective, (2) simulated how savings enable, on a budget-neutral basis, expanded access to pegfilgrastim-cbqv, and (3) estimated the number-needed-to-convert (NNC) to purchase one additional dose of pegfilgrastim-cbqv. METHODS In a hypothetical panel of 20,000 patients, we modeled cost-savings utilizing: two reference formulations (pre-filled syringe [PFS] and on-body injector [OBI]), three medication cost inputs (average sales price [ASP], wholesale acquisition cost [WAC], and an age-proportionate blended ASP/WAC rate), administration cost for injection (PFS) and device application (OBI), conversion rates of 10-100%, and 1-6 cycles of prophylaxis. Cost-savings were used to estimate additional doses of pegfilgrastim-cbqv that could be purchased and the NNC to purchase one additional dose. RESULTS Using ASP and 10% conversion from reference OBI to pegfilgrastim-cbqv, savings range from $326,744 (1 cycle) to $2.0M (6 cycles) which could provide 93-556 additional doses of pegfilgrastim-cbqv, respectively; the NNC to purchase one additional dose of pegfilgrastim-cbqv ranges from 21.6 (1 cycle) down to 3.6 patients (6 cycles). The WAC model saves $41.1M per cycle and $246.7M over 6 cycles at 100% conversion from reference PFS which could provide 9,709-58,253 additional pegfilgrastim-cbqv doses; the NNC ranges from 2.1 (1 cycle) to 0.3 (6 cycles). Using the blended ASP/WAC rate, converting 50% from reference OBI to pegfilgrastim-cbqv would save $10.2M per cycle and $60.9M over 6 cycles providing 2,638-15,829 additional doses of pegfilgrastim-cbqv; NNCs are 3.8 (1 cycle) and 0.6 patients (6 cycles). CONCLUSIONS Converting 20,000 patients from reference to pegfilgrastim-cbqv over 6 cycles can generate savings up to $246.7M, enough to purchase up to 58,253 additional doses of pegfilgrastim-cbqv. This simulation provides economic justification for prophylaxis with biosimilar pegfilgrastim-cbqv.
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Affiliation(s)
| | - Ali McBride
- Medical Center, Banner University, Tucson, AZ, USA
- Cancer Center, University of Arizona, Tucson, AZ, USA
- Department of Pharmacy Practice and Science, College of Pharmacy, University of Arizona, Tucson, AZ, USA
| | - Neda Alrawashdh
- Center for Health Outcomes and PharmacoEconomic Research, University of Arizona, Tucson, AZ, USA
| | - Ivo Abraham
- Matrix45, Tucson, AZ, USA
- Cancer Center, University of Arizona, Tucson, AZ, USA
- Department of Pharmacy Practice and Science, College of Pharmacy, University of Arizona, Tucson, AZ, USA
- Center for Health Outcomes and PharmacoEconomic Research, University of Arizona, Tucson, AZ, USA
- Department of Family and Community Medicine, College of Medicine, University of Arizona, Tucson, AZ, USA
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McBride A, Wang W, Campbell K, Balu S, MacDonald K, Abraham I. Economic modeling for the US of the cost-efficiency and associated expanded treatment access of conversion to biosimilar pegfilgrastim-bmez from reference pegfilgrastim. J Med Econ 2020; 23:856-863. [PMID: 32323582 DOI: 10.1080/13696998.2020.1760284] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
Aims: For this economic analysis, we aimed to model: (1) the cost-efficiency of prophylaxis with biosimilar pegfilgrastim-bmez for chemotherapy-induced (febrile) neutropenia (CIN/FN) compared to reference pegfilgrastim, and (2) the expanded access to CIN/FN prophylaxis and anti-neoplastic treatment that could be achieved with biosimilar cost-savings on a budget-neutral basis.Methods: In a hypothetical panel of 20,000 cancer patients receiving CIN/FN prophylaxis and using the average sales price (ASP) for the second quarter of 2019 for reference pegfilgrastim, we: conducted an ex ante simulation from the payer perspective of the cost-savings of 10-100% conversion from reference to biosimilar pegfilgrastim-bmez using drug price discounting ranging from 10-35%; estimated the budget-neutral expanded access to biosimilar pegfilgrastim-bmez enabled by these cost-savings; and estimated the budget-neutral expanded access to anti-neoplastic treatment with pembrolizumab. The simulations were replicated using fourth quarter 2019 wholesale acquisition cost (WAC) for reference pegfilgrastim and biosimilar pegfilgrastim-bmez in a post facto analysis.Results: In ASP simulations, cost-savings of using pegfilgrastim-bmez over reference pegfilgrastim in a 20,000 patient panel range from $1.3 M (at 15% price discount) to $3 M (35%) at 10% conversion rate and from $6.4 M to $14.9 M, respectively, at 50% conversion. These savings could provide prophylaxis with pegfilgrastim-bmez to an additional 352 (15% discount) to 1,076 patients (35%) at 10% conversion or 1,764-5,384, respectively, at 50% conversion. Alternatively, savings could be reallocated for anti-neoplastic treatment with pembrolizumab to 3 (15% discount) to 9 (35%) patients at 10% conversion or 19-45, respectively, at 50% conversion. When utilizing WAC, cost-savings range from $4.6 M (10% conversion) to $23.1 M (50%) which could provide pegfilgrastim-bmez to an additional 1,174 (10% conversion) to 5,873 patients (50%).Conclusions: Prophylaxis with biosimilar pegfilgrastim-bmez increases the value of cancer care by generating significant cost-savings that could be reallocated to provide expanded access to CIN/FN prevention and anti-neoplastic therapy on a budget-neutral basis.
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Affiliation(s)
- Ali McBride
- Arizona Cancer Center, Banner University Medical Center, Tucson, AZ, USA
- College of Pharmacy, University of Arizona Health Sciences Center, Tucson, AZ, USA
- Department of Pharmacy Practice and Science College of Pharmacy, University of Arizona, Tucson, AZ, USA
| | - Weijia Wang
- Department of Health Economics and Outcome Research, Sandoz Inc, Princeton, NJ, USA
| | - Kim Campbell
- Department of Health Economics and Outcome Research, Sandoz Inc, Princeton, NJ, USA
| | - Sanjeev Balu
- Novartis Pharmaceuticals Corporation, East Hanover, NJ, USA
| | | | - Ivo Abraham
- College of Pharmacy, University of Arizona Health Sciences Center, Tucson, AZ, USA
- Department of Pharmacy Practice and Science College of Pharmacy, University of Arizona, Tucson, AZ, USA
- MATRIX45, Tucson, AZ, USA
- Center for Health Outcomes and PharmacoEconomic Research, University of Arizona, Tucson, AZ, USA
- Department of Family and Community Medicine College of Medicine - Tucson, University of Arizona, Tucson, AZ, USA
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McBride A, Krendyukov A, Mathieson N, Campbell K, Balu S, Natek M, MacDonald K, Abraham I. Febrile neutropenia hospitalization due to pegfilgrastim on-body injector failure compared to single-injection pegfilgrastim and daily injections with reference and biosimilar filgrastim: US cost simulation for lung cancer and non-Hodgkin lymphoma. J Med Econ 2020; 23:28-36. [PMID: 31433700 DOI: 10.1080/13696998.2019.1658591] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
Background: Guidelines recommend febrile neutropenia (FN) prophylaxis following myelotoxic chemotherapy with either daily injections of filgrastim (Neupogen®) or biosimilar filgrastim-sndz (Zarzio/Zarxio®), single-injection pegfilgrastim (Neulasta®), or pegfilgrastim administered through an on-body injector (PEG-OBI; Neulasta® Onpro®). PEG-OBI failure rates up to 6.9% have been reported, putting patients at incremental risk for FN and FN-related hospitalization. Our objective was to estimate, from a US payer perspective, the incremental costs of FN hospitalizations and the total incremental costs associated with PEG-OBI prophylaxis at varying device failure rates over assured FN prophylaxis with daily injections of filgrastim or filgrastim-sndz or a single injection of pegfilgrastim.Methods: Cost simulations comparing prophylaxis with PEG-OBI at failure rates of 1-10% versus assured prophylaxis in cycle 1 of chemotherapy were performed for panels of 10,000 patients with lung cancer treated with cyclophosphamide, doxorubicin, and etoposide (1 analysis) or non-Hodgkin lymphoma (NHL) treated with CHOP or CNOP (2 analyses). Daily injection scenarios were 4.3, 5, and 11 injections for lung cancer and 5, 6.5, and 11 for NHL. The analyses are from the US payer perspective.Results: For lung cancer, the total incremental cost of PEG-OBI prophylaxis at varying failure rates and durations ranged from $6,691,969‒$31,765,299 over filgrastim and $18,901,969‒$36,538,299 over filgrastim-sndz. For NHL, in scenario 1, the total incremental costs ranged from $6,794,984‒$30,361,345 over filgrastim and $19,004,984‒$35,911,345 over filgrastim-sndz; in scenario 2, the incremental costs ranged from $7,003,657‒$32,448,067 over filgrastim and $19,213,657‒$37,998,067 over filgrastim-sndz.Conclusions: In this simulation, the incremental costs of FN-related hospitalization due to PEG-OBI failure in cycle 1 compared to assured prophylaxis with reference pegfilgrastim, reference filgrastim, and biosimilar filgrastim-sndz varied depending upon the PEG-OBI failure rate and the alternative G-CSF prophylaxis option. Biosimilar filgrastim-sndz offers the greatest cost-efficiency.
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Affiliation(s)
- Ali McBride
- Banner University Medical Center, Tucson, AZ, USA
- University of Arizona Cancer Center, Tucson, AZ, USA
| | | | | | | | | | | | | | - Ivo Abraham
- University of Arizona Cancer Center, Tucson, AZ, USA
- Matrix45, Tucson, AZ, USA
- Center for Health Outcomes and PharmacoEconomic Research, University of Arizona, Tucson, AZ, USA
- Colleges of Pharmacy and Medicine, University of Arizona, Tucson, AZ, USA
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