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Published in: Clinical Drug Investigation 3/2024

Open Access 31-01-2024 | Etanercept | Original Research Article

Forty-Eight-Month Monitoring of Disease Activity in Patients with Long-Standing Rheumatoid Arthritis Treated with TNF-α Inhibitors: Time for Clinical Outcome Prediction and Biosimilar vs Biologic Originator Performance

Authors: Matteo Colina, Micheline Khodeir, Roberto Rimondini, Marco Valentini, Federica Campomori, Stefania Corvaglia, Gabriele Campana

Published in: Clinical Drug Investigation | Issue 3/2024

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Abstract

Background and Objectives

Long-term treatment of patients with rheumatoid arthritis with tumor necrosis factor-α inhibitors leads to initial changes in disease activity that can predict a late treatment response. This observational and retrospective study aimed to determine when it is possible to foresee the response to therapy in the case of long-standing rheumatoid arthritis comparing also the efficacy of the original biologics with their biosimilars.

Methods

A total of 1598 patients were recruited and treated with the original biologics, adalimumab and etanercept, or with biosimilars. Patients were monitored over a period of 48 months and disease activity scores (28-Joint Disease Activity Score, Simplified Disease Activity Index, and Clinical Disease Activity Index) were measured every 6 months.

Results

No differences in disease activity levels were observed in etanercept versus biosimilars (GP2015/SB4) and adalimumab versus biosimilar (GP2017) patient groups. All scores significantly decreased in all treatments during the first 18 months of therapy, and after 24 months reached a minimum that lasted up to 48 months.

Conclusions

We conclude that biosimilars of adalimumab and etanercept have equivalent effectiveness over a long period of time compared to their originator drugs, and also that the levels of disease activity after 6 months of tumor necrosis factor-α inhibitors (originator drugs and biosimilars) might predict the response to therapy at 4 years in patients with long-standing rheumatoid arthritis.
Literature
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go back to reference Glintborg B, Loft AG, Omerovic E, Hendricks O, Linauskas A, Espesen J, et al. To switch or not to switch: results of a nationwide guideline of mandatory switching from originator to biosimilar etanercept. One-year treatment outcomes in 2061 patients with inflammatory arthritis from the DANBIO registry. Ann Rheum Dis. 2019;78(2):192–200. https://doi.org/10.1136/annrheumdis-2018-213474.CrossRefPubMed Glintborg B, Loft AG, Omerovic E, Hendricks O, Linauskas A, Espesen J, et al. To switch or not to switch: results of a nationwide guideline of mandatory switching from originator to biosimilar etanercept. One-year treatment outcomes in 2061 patients with inflammatory arthritis from the DANBIO registry. Ann Rheum Dis. 2019;78(2):192–200. https://​doi.​org/​10.​1136/​annrheumdis-2018-213474.CrossRefPubMed
Metadata
Title
Forty-Eight-Month Monitoring of Disease Activity in Patients with Long-Standing Rheumatoid Arthritis Treated with TNF-α Inhibitors: Time for Clinical Outcome Prediction and Biosimilar vs Biologic Originator Performance
Authors
Matteo Colina
Micheline Khodeir
Roberto Rimondini
Marco Valentini
Federica Campomori
Stefania Corvaglia
Gabriele Campana
Publication date
31-01-2024
Publisher
Springer International Publishing
Published in
Clinical Drug Investigation / Issue 3/2024
Print ISSN: 1173-2563
Electronic ISSN: 1179-1918
DOI
https://doi.org/10.1007/s40261-024-01341-7

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