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Biomédica
versão impressa ISSN 0120-4157versão On-line ISSN 2590-7379
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MACHADO, Jorge; MONCADA, Juan Carlos e PINEDA, Ricardo. Perfil de utilización de los anti-factor de necrosis tumoral en pacientes de ColombiaProfile of use of anti tumor necrosis factor in Colombian patients. Biomédica [online]. 2011, vol.31, n.2, pp.250-257. ISSN 0120-4157.
Introduction. Tumor necrosis factor-alpha antagonists (anti-TNFα) have shown an increasing consumption and generate a significant economic burden on health systems. Objectives. The prescribing patterns of tumor necrosis factor-alpha antagonists were determined in a patient population associated with the Sistema General de Seguridad Social en Salud in Colombia. Materials and methods. A descriptive observational study was conducted in 316 patients with respect to use of tumor necrosis factor-alpha antagonists during a treatment period from January 2008 to June 2009. The database examined contained indications of use, inclusion criteria to medication, duration of illness, co-morbidities and adverse reactions. The data were retrieved from the clinical histories. Student´s t test was used for the comparison of quantitative variables, and the chi-square test was used to establish associations between categorical variables and multivariate analysis were used. Results. Mean age was 44.613.9 years; 63.9% of participants were female. Of the 316 patients, 17.1% received monotherapy. The order of prescription drugs was as follows: adalimumab (37.3%), infliximab (37.3%) and etanercept (25.4%), all were prescribed in appropriately defined daily doses. Co-medication drugs most frequently prescribed were: disease-modifying anti-rheumatic (82.9%), NSAIDs (29.1%), omeprazole (22.5%), antihypertensives (21.2%), folic acid (19.9%) calcium plus vitamin D (9.8%), calcitriol (6.0%). 10.4% of patients had a record of some adverse drug reaction. The average cost of therapy per patient per year was US$23,464. Conclusions. Anti-TNFα are being used at recommended doses, particularly in rheumatoid arthritis and in combination with other anti-rheumatic drugs. The direct cost of therapy was high for the country's health system.
Palavras-chave : Antirheumatic agents; tumor necrosis factor-alpha; arthritis, rheumatoid; arthritis, juvenile rheumatoid; spondylitis, ankylosing; psoriatic; Colombia.