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Persistence After Switching From Adalimumab Biosimilar MSB11022 to Adalimumab Biosimilar GP2017 in Patients With

Joaquín Borrás-Blasco1, Alejandro Valcuende-Rosique2, Silvia Cornejo1

  • 1Pharmacy Department, Hospital de Sagunto, Port de Sagunt, Spain.

The Journal of Pharmacy Technology : Jpt : Official Publication of the Association of Pharmacy Technicians
|December 27, 2024
PubMed

Objective: Provide real-world data on switching from adalimumab biosimilar MSB11022 to GP2017 related to persistence, adherence, and safety in adult patients with rheumatoid arthritis (RA), psoriatic arthritis (PsA), and axial spondyloarthritis (axSpA). Methods: Retrospective cohort study that used registries and medical records from a single hospital (June 2022 to April 2024). Adult patients with RA, PsA, and axSpA treated with adalimumab biosimilar MSB11022 who switched to biosimilar GP2017 were identified and followed up until April 2024, or disenrollment. Baseline demographic and clinical characteristics studied included sex, age, diagnosis, and previous treatment. Adherence was measured using medication possession ratio (MPR); patients with MPR ≥85% were considered adherent. Persistence, cause of discontinuation, safety, and dosage regimen were collected. Results: A total of 63 patients with chronic inflammatory rheumatic diseases, of whom 36 (57.1%) were women, with an average age of 53.9 years were included. In total, 24 had axSpA, 21 had RA, and 18 had PsA. A total of 58 patients (92.1%) were biologic-naïve, and 27 (42.3%) received methotrexate. A total of 63 patients switched from adalimumab biosimilar MSB11022 to GP2017. After 12 months, 53 (84.1%) continued; 9 (14.3%) discontinued due to lack of effectiveness, side effects, or change of health department. The total persistence of patients who switched from MSB11022 to GP2017 was 12.4 ± 3.1 months. Non-naïve patients had a persistence of 13.7 ± 0.5 months, and naïve patients had 9.5 ± 3.0 months, with no significant differences. The retention rate at 12 months was 84%, with an adherence rate of 88.2%. Conclusions: Switching from adalimumab biosimilar MSB11022 to biosimilar GP2017 in patients with chronic inflammatory rheumatic diseases did not lead to signs of safety or loss of efficacy over 12 months other than those already known in the literature for the class of drugs.

Keywords:
adalimumabbiosimilarpersistencereal worldswitching

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