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      Farmacogenómica de etanercept, infliximab, adalimumab y metotrexato en artritis reumatoide. Revisión estructurada Translated title: Pharmacogenomics of etanercept, infliximab, adalimumab and methotrexate in rheumatoid arthritis. A structured review

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          Abstract

          RESUMEN Introducción: La variabilidad genética individual favorece que la capacidad de respuesta y toxicidad a los fármacos sea diferente en cada persona. En la artritis reumatoide se reportan índices de respuesta a los medicamentos etanercept, infliximab, adalimumab y metotrexato cercanos al 60%. Esta variabilidad puede explicarse por polimorfismos genéticos característicos de cada paciente. Objetivo: Identificar polimorfismos genéticos reportados en artículos científicos que pueden afectar la farmacocinética y la farmacodinámica de etanercept, infliximab, adalimumab y metotrexato, y su respuesta en pacientes con artritis reumatoide. Materiales y método: Se realizó una búsqueda sistemática en PubMed/Medline, con los términos clave: «rheumatoid arthritis» and «pharmacogenomic» and «polymorphisms» and «metotrexato» and «infliximab» and «adalimumab» and «etanercept» obteniendo 164 artículos, 117 no duplicados y 19 artículos que cumplieron los criterios de inclusión. Resultados: De los 19 artículos, 2 reportaron polimorfismos que afectan la farmacocinética de infliximab, adalimumab, etanercept y metotrexato, y 17, la farmacodinámica. En los 19 artículos se identificaron 23 polimorfismos de relevancia clínica en población europea, japonesa, jordana e india. Conclusiones: Se identifican 23 polimorfismos de relevancia clínica, los cuales podrían ser el soporte para el diseño de un test de secuenciación específica en pacientes con artritis reumatoide, en los que se considere la utilización de infliximab, adalimumab, etanercept o metotrexato. La utilidad práctica de este tipo de estrategia requiere ser evidencia en estudios clínicos específicos, relacionados con una prescripción orientada por test genéticos y personalizada, y su efecto sobre la efectividad y seguridad de la farmacoterapia con estos medicamentos.

          Translated abstract

          ABSTRACT Introduction: Individual genetic variability favours the capacity of response and toxicity to the drugs is different in each person. Rheumatoid arthritis reported rates of response to the drugs etanercept, infliximab, adalimumab and methotrexate is close to 60%. This variability can be explained by genetic polymorphisms characteristic of each patient. Objective: To identify genetic polymorphisms reported in scientific articles that may affect the pharmacokinetics and pharmacodynamics of etanercept, infliximab, adalimumab, and methotrexate, and their response in patients with rheumatoid arthritis. Materials and method: A systematic search was performed in PubMed and Medline, with the key terms: "rheumatoid arthritis" and "pharmacogenomic" and "polymorphisms" and "methotrexate" and "infliximab" and "adalimumab" and "etanercept", obtaining 164 articles, 117 non-duplicates, and 19 articles that met the inclusion criteria. Results: Of the 19 articles, 2 reported polymorphisms affecting the pharmacokinetics of infliximab, adalimumab, etanercept, methotrexate, and 17, pharmacodynamics. In the 19 articles, 23 polymorphisms of clinical relevance were identified in European, Japanese, Jordanian, and Indian populations. Conclusions: A total of 23 polymorphisms with clinical relevance were identified, which could be the basis for the design of a specific test sequencing in rheumatoid arthritis patients being considered for treatment with infliximab, adalimumab, etanercept, or methotrexate. The practical usefulness of this strategy requires evidence in specific clinical studies, associated with a targeted and personalised genetic test, and its effect on the effectiveness and safety of drug therapy with these drugs prescription.

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          Most cited references41

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          Understanding the role of cytokines in the pathogenesis of rheumatoid arthritis.

          Rheumatoid arthritis (RA) is a chronic, inflammatory autoimmune disease of unknown etiology. It is characterized by the presence of rheumatoid factor and anti-citrullinated peptide antibodies. Initial phase of RA involves the activation of both T and B cells. Cytokines have a crucial role in the pathophysiology of RA as pro-inflammatory cytokines such as TNFα, IL-1, IL-17 stimulates inflammation and degradation of bone and cartilage. There occurs an imbalance between the pro- and anti-inflammatory cytokine activities which leads to multisystem immune complications. There occurs a decline in the number of Treg cells which may also play an important role in pathophysiology of the disease. In RA patients, serum or plasma level of cytokines may indicate the severity of disease. Cytokine gene polymorphism could be used as markers of susceptibility and severity of RA. Anti-cytokine agents seem to emerge as potent drug molecules to treat RA. Many clinical trials are ongoing and several positive results have been obtained. There is a need to develop potential anti-cytokine agents that target numerous pathways involved in the pathogenesis of RA. This review article describes the effector functions of pro- and anti-inflammatory cytokines and the role of cytokine gene polymorphism in the pathogenesis of RA. Anti-cytokine agents that are currently available and those that are still in clinical trials have also been summarized.
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            Prevalence of rheumatic diseases in Brazil: a study using the COPCORD approach.

            To estimate the prevalence of rheumatic diseases in residents of Montes Claros, Brazil, of both sexes, aged above 16 years, using the COPCORD questionnaire. This was a cross-sectional study of 3038 people; the sample was probabilistic, by conglomerates, multiple stages, within homogeneous strata, the sampling unit being the domicile. The COPCORD questionnaire was used for all subjects, and a rheumatologist evaluated those patients who presented pain and/or functional disability. Laboratory tests and radiographs of small and large joints were done in some patients to confirm the diagnosis. Subjects were identified by socioeconomic level in quintiles A, B, C, D, and E, A being the highest. Two hundred nineteen patients were identified with rheumatic diseases, mean age 37 (SD 27) years, with female predominance. Seventy-seven (35.2%) were unemployed and socioeconomic level D was the most prevalent. Of all patients with rheumatic disease, osteoarthritis (OA) was observed in 126 (57.5%) patients, fibromyalgia (FM) in 76 (34.7%), rheumatoid arthritis (RA) in 14 (6.4%), and lupus in 3 (1.4%). Women were predominant in all diseases except OA. The mean (SD) age was 56 (12.7) years for OA, 43.2 (9.1) for FM, 53.4 (13.9) for RA, and 40 (14) for lupus. The prevalence of rheumatic diseases evaluated by the COPCORD questionnaire was 4.14% for OA, 2.5% for FM, 0.46% for RA, and 0.098% for lupus.
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              Nationwide prevalence of rheumatoid arthritis and penetration of disease-modifying drugs in Sweden.

              To provide Swedish nationwide data on the prevalence of rheumatoid arthritis (RA), including variations by age, sex, geography, demography and education level, and assess antirheumatic treatment penetration. Patients ≥16 years assigned an RA diagnosis were identified from inpatient (n=96 560; 1964-2007) and specialist outpatient care (n=56 336; 2001-2007) in the Swedish National Patient Register, and the Swedish Rheumatology Quality Register (n=21 242; 1995-2007). Data on prescriptions, demography, vital status and educational level were retrieved from national registers. A total of 58 102 individuals (mean age 66 years; 73% women) assigned an RA diagnosis were alive in Sweden in 2008, corresponding to a cumulative prevalence of 0.77% (women 1.11%, men 0.43%). The 2001-2007 period prevalence was 0.70%. Restriction to patients with ≥2 visits or diagnosis from a rheumatologist/internist reduced the overall cumulative prevalence to 0.68%. Whereas urban/rural differences (crude 0.65-1.00%) were explained by age differences, the age/sex-adjusted prevalence remained higher in patients with ≤9 years education (0.86%) than for those with 10-12 years (0.82%) and >12 years (0.65%). Treatment exposures (76% any disease-modifying antirheumatic drugs (DMARDs) or steroids, 64% any DMARD, 15% biological agents) varied with age; use of biological agents decreased from 22% in 16-59 years olds to 3% in ≥80 years olds. Any DMARD use correspondingly decreased from 71% to 43%. Applying age cut-off points from previous northern European and North American prevalence studies reduced or eliminated between-study differences. This nationwide approach yielded a prevalence of RA similar to previous regional assessments. While displaying only modest geographical variation and no urban/rural gradient, prevalence was associated with educational level. Although most patients received antirheumatic drugs, age was a strong treatment determinant.
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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                rcre
                Revista Colombiana de Reumatología
                Rev.Colomb.Reumatol.
                Asociación Colombiana de Reumatología (Bogotá, Distrito Capital, Colombia )
                0121-8123
                March 2018
                : 25
                : 1
                : 22-37
                Affiliations
                [3] Granada Andalucía orgnameUniversidad de Granada orgdiv1Facultad de Farmacia Spain
                [1] Medellín Antioquía orgnameUniversidad de Antioquia orgdiv1Facultad de Ciencias Farmacéuticas y Alimentarias Colombia
                [2] Medellín orgnameHospital Universitario Pablo Tobón Uribe orgdiv1Laboratorio de Biología Molecular Colombia
                Article
                S0121-81232018000100022
                10.1016/j.rcreu.2017.08.004
                f67e2c78-cbfd-49f0-a093-44ad104b4254

                This work is licensed under a Creative Commons Attribution 4.0 International License.

                History
                : 14 February 2017
                : 08 August 2017
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 51, Pages: 16
                Product

                SciELO Colombia


                Adalimumab,Etanercept,Polimorfismo,Artritis reumatoide,Farmacogenómica,Methotrexate,Infliximab,Polymorphism,Rheumatoid arthritis,Pharmacogenomics,Metotrexato

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