Date: Monday, November 8, 2021
Session Type: Poster Session C
Session Time: 8:30AM-10:30AM
Background/Purpose: The use of biosimilars instead of its originator is a controversial subject with many implications. It is considered that a non medical switch should not occur and that pts and physicians must be involved in the decision of choosing the adequate medication.
Methods: A social media survey via The Mexican Foundation for Rheumatic Patients (FUMERAC) (Facebook [FB] and Twitter) was conducted in Mexico from November 2020 to January 2021. An opening question to ascertain the consent Pts were eligible if they were >18 years of age and if they had any inflammatory or non inflammatory rheumatic condition and the use of biologics/biosimilars was not mandatory.
Results: A total of 165 pts completed the survey. 81% were women and 79% had high school or higher education. The most frequent diagnoses were RA (56.4%), AS (13.9%), PsA (11.5%) and Lupus (9.1%). DMARD monotherapy was the most common treatment representing 30% of pts. 57% reported prior or current use of biologics. Sixty four percent of pts had never heard the term biosimilar. 38% would accept the change from an originator to its biosimilar if the opinion of the patient and physician was taken into account. 24% of pts would take a legal measure or file a complaint if a NMS was to happen. The subjects asked to pts in order to reduce their inconformity were: treatment effectiveness (65.5%), adverse effects (60%), reason for change (54.4%), treatment duration (29%) and other pts experience (19.3%)
Conclusion: In Mexico the concept of biosimilars is barely known. Most of patients (76%) would not take any measure if they where changed from an originator to its biosimilar. There is still a great amount of confidence from the pts to their physician regarding the management of their medications.
To cite this abstract in AMA style:Vega Morales D, Garza-Alpirez A, Díaz-Garza C. Patient Perspective on the Non Medical Switch of Originator to Its Biosimilar in Inflammatory Arthritis Using a Social Media Survey [abstract]. Arthritis Rheumatol. 2021; 73 (suppl 10). https://acrabstracts.org/abstract/patient-perspective-on-the-non-medical-switch-of-originator-to-its-biosimilar-in-inflammatory-arthritis-using-a-social-media-survey/. Accessed May 24, 2022.
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ACR Meeting Abstracts - https://acrabstracts.org/abstract/patient-perspective-on-the-non-medical-switch-of-originator-to-its-biosimilar-in-inflammatory-arthritis-using-a-social-media-survey/