| Summary: | Pedro Santos-Moreno,1 Guillermo Sánchez-Vanegas,2 Angélica Monterrosa-Blanco,3 Gabriel-Santiago Rodríguez-Vargas,1 Manuel Rivero,1 Pedro Rodriguez,1 Omar-Javier Calixto,4 Adriana Rojas-Villarraga,5 Carlos Alberto Castro3 1Rheumatology Department, Biomab IPS, Bogotá, Colombia; 2Scientific Direction Department, Hospital Universitario Mayor Mederi, Universidad del Rosario, Bogotá, Colombia; 3Research and Health Education Department, Comprehensive Solutions for Health Research and Education-SIIES, Bogotá, Colombia; 4Rheumatology and Immunology Department, Hospital Militar Central, Bogotá, Colombia; 5Research Institute, Fundación Universitaria de Ciencias de la Salud–FUCS, Bogotá, ColombiaCorrespondence: Pedro Santos-Moreno, Rheumatology Department, Biomab IPS, Calle 48 # 13-86, Bogotá, Colombia, Tel +57 320 8094232, Email pedrosantosmoreno@hotmail.comPurpose: To assess, in a cohort of patients with rheumatoid arthritis (RA) treated with subcutaneous antitumor necrosis factor drugs (anti-TNFs), the levels of treatment adherence before and after implementing a comprehensive care model (CCM).Patients and Methods: An observational study including RA patients under treatment with subcutaneous anti-TNFs (adalimumab, etanercept, and golimumab) selected at convenience was performed; a sample size of 125 patients was calculated. The outcome variable was adherence assessed with the Compliance Questionnaire on Rheumatology (CQR19), measured before and after implementing a CCM. Descriptive and bivariate analyses were performed comparing adherence before and after applying the model (Wilcoxon and McNemar’s Chi2 test). For multivariate analysis, a generalized linear model adjusted for covariates was performed, where the difference in the proportion of adherence was the outcome measure.Results: A total of 131 RA patients were followed-up for 24 months; average age was 62 years, and 83.9% were women. The median of DAS28 at the beginning of the follow-up was 2.32, and the HAQ was 0.25. At baseline, 87.8% were adherent; after 24 months, 96.2% were adherent according to CQR19. At the end of follow-up, adherence increased with the three types of anti-TNFs treatment. In a matched model adjusted for clinical variables, the CCM was estimated to produce a 9.4% increase in the total percentage of adherent patients. Additionally, a statistically significant increase of 4.5% in the percentage of adherent patients treated with golimumab compared with etanercept and adalimumab was found.Conclusion: A CCM produced an important increase in the percentage of patients with rheumatoid arthritis adherent to treatment after 24 months of follow-up. It is noteworthy that Golimumab patients were more adherent when compared with other current anti-TNFs treatments.Keywords: rheumatoid arthritis, treatment adherence, comprehensive health care, antirheumatic agents, controlled before–after studies
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