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Rev Neurol ; 68(10): 409-416, 2019 May 16.
Article in Spanish | MEDLINE | ID: mdl-31070232

ABSTRACT

INTRODUCTION: The benefits of pharmacological therapy with anti-dementia drugs are not yet fully demonstrated and there is even a lack of publications describing their use profile. The present work sought to determine the prescription patterns of anti-dementia drugs in a Colombian population. PATIENTS AND METHODS: Descriptive cross-sectional study. Through a systematized database of 3.5 million affiliates to the Colombian health system, patients with uninterrupted dispensing of anti-dementia drugs between August-October/2016 were selected. Sociodemographic, pharmacological and comedication variables were analyzed. The costs of the therapies were estimated from the reference price of the medicines. RESULTS: We identified 8372 patients with a mean age of 79.5 ± 8.7 years and 65.3% (n = 5471) were women. The most widely used medication was rivastigmine (69.6%), mainly in transdermal presentation, followed by memantine (31.4%). In general, the average dose administered per day was lower than the defined daily dose. Only 568 patients (6.7%) used combination therapy. 84.3% of patients (n = 7061) used some additional medication and 54.2% (n = 4535) had another neurologic medication. The cost per 1000 inhabitants/day of rivastigmine was 3.47 USD and for memantine 0.30 USD. CONCLUSION: Patients with anti-dementia drugs are using them at doses lower than those defined and they present an important frequency of comorbidities and comedications.


TITLE: Patrones de uso de farmacos antidemencia en un grupo de pacientes de Colombia.Introduccion. Los beneficios del manejo farmacologico con medicamentos antidemencia aun no estan del todo demostrados, e incluso hay carencia de trabajos que describan su perfil de utilizacion. El presente trabajo busco determinar los patrones de prescripcion de farmacos antidemencia en una poblacion de Colombia. Pacientes y metodos. Estudio descriptivo de corte transversal. Mediante una base de datos sistematizada de 3,5 millones de afiliados al sistema de salud colombiano, se selecciono a pacientes con dispensaciones ininterrumpidas de farmacos antidemencia entre agosto y octubre de 2016. Se analizaron variables sociodemograficas, farmacologicas y comedicaciones. Se estimaron los costes de las terapias a partir del precio de referencia de los medicamentos. Resultados. Se identifico a 8.372 pacientes con una edad media de 79,5 ± 8,7 años; el 65,3% (n = 5.471) fueron mujeres. El farmaco mas utilizado fue la rivastigmina (69,6%), principalmente en presentacion transdermica, seguida de la memantina (31,4%). En general, la dosis media administrada por dia fue inferior a la dosis diaria definida. Solamente 568 pacientes (6,7%) usaron terapia combinada. El 84,3% de los pacientes (n = 7.061) uso medicamentos para alguna comorbilidad y el 54,2% (n = 4.535) tenia otro neurofarmaco. El coste por 1.000 habitantes/dia de la rivastigmina fue de 3,47 dolares, y de la memantina, de 0,30 dolares. Conclusion. Los pacientes con medicamentos antidemencia los estan empleando en dosis inferiores a las definidas y presentan una importante frecuencia de comorbilidades y comedicaciones.


Subject(s)
Cholinesterase Inhibitors/therapeutic use , Dementia/drug therapy , Donepezil/therapeutic use , Drug Utilization/statistics & numerical data , Galantamine/therapeutic use , Memantine/therapeutic use , Receptors, N-Methyl-D-Aspartate/agonists , Rivastigmine/therapeutic use , Aged , Aged, 80 and over , Colombia , Cross-Sectional Studies , Female , Humans , Male , Middle Aged
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