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      Eficacia y seguridad de la terbinafina oral en pauta intermitente o pulsátil versus pauta continua para el tratamiento de la onicomicosis en mayores de 18 años Translated title: Efficacy and safety of oral terbinafine in intermittent or pulsatile pattern versus continuous pattern for the treatment of Onychomycosis in patients older than 18 years

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          Abstract

          Antecedentes. La onicomicosis es una enfermedad que compromete las uñas y afecta el 5% de la población mundial. Objetivo. Determinar la efectividad y seguridad de la terbinafina oral en pauta intermitente versus continua para la onicomicosis en mayores de 18 años. Materiales y métodos. A través de una búsqueda sistemática electrónica en Cochrane, Medline, Embase, LILACS y Opengrey se identificaron ensayos clínicos aleatorizados paralelos, excluyendo cruzados, conglomerados o clúster. Se aplicó el RevMan 5.3 para revisiones sistemáticas de ensayos clínicos. Mediante búsqueda sistemática se identificaron ensayos clínicos aleatorizados paralelos en pacientes mayores de 18 años, de sexo masculino o femenino, humanos, en idioma inglés y español, sin límite de tiempo de publicación y cuyo desenlace fue la curación clínica y micológica, incluyendo efectos adversos leves. Se valoró el riesgo de sesgo; se utilizó RR como medida del efecto, IC95% para variables dicotómicas; la unidad de análisis fue el paciente y la estimación agrupada se calculó usando un modelo de efectos aleatorios para variables dicotómicas -método de Mantel-Haenszel en RevMan 5.3-. Resultados. El RR agrupado fue de 1.13 (IC95%: 1.06-1.2) indicando que la falla del tratamiento con terbinafina intermitente es 1.1 veces más probable que con terbinafina continua. Su RR agrupado dio 0.923 (IC95%: 0.77-1.09) indicando 7.7% de mayor probabilidad de desarrollar eventos adversos con terbinafina continua que con intermitente. Conclusiones. La terbinafina intermitente tiene menor éxito de cura clínica y micológica que la continua; su RR corregido demuestra que la pauta intermitente es 13% menos eficiente que la continua. Clínicamente los hallazgos son significativos pero estadísticamente falta poder en los estudios y un mayor tamaño de muestra agrupado para mejorar la evidencia.

          Translated abstract

          Background. Onychomycosis is a disease involving nails. It affects 5% of the world population. Objective. To determine the effectiveness and safety of oral terbinafine in intermittent pattern versus a continuous pattern for onychomycosis in patients older than 18 years. Materials and Methods. Through an online systematic search in Cochrane, MEDLINE, EMBASE, Latino-Americana [Literature] (LILACS) and Opengrey, parallel randomized clinical trials, excluding crusaders, conglomerates or cluster, were identified. RevMan 5.3 for systematic reviews of clinical trials was applied. Through a systematic search were identified parallel randomized clinical trials in ≥18 years, male or female, human, in English and Spanish, without time limit of publication and whose outcome was clinical and mycological cure, including mild adverse effects. The risk of bias was assessed. RR was used as a measure of effect, 95% CI for dichotomous variables. The unit of analysis was the patient and the pooled estimate was calculated using a random effects model for dichotomous variables, Mantel-Haenszel method in RevMan 5.3. Results. The pooled RR was 1.13 [95% CI: 1.06 - 1.2] which indicates that treatment failure with intermittent terbinafine is 1.1 times more likely to happen than that with continuous terbinafine. In turn, continuous terbinafine pooled RR was 0.923 [95% CI: 0.77 - 1.09] indicating a 7.7% higher chance of developing adverse events for the treatment with continuous terbinafine. Conclusions. Intermittent terbinafine is less successful in terms of clinical and mycological cure than the continuous treatment. Its corrected RR shows that the intermittent pattern is 13% less efficient than the continuous one. Clinically, these findings are significant but the studies lack power statistically and a larger clustered sample is necessary to improve the evidence.

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          Most cited references27

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          Pulse versus continuous terbinafine for onychomycosis: a randomized, double-blind, controlled trial.

          Effective treatments for onychomycosis are expensive. Previous studies suggest that less costly, pulsed doses of antifungal medications may be as effective as standard, continuous doses. Terbinafine is the current treatment of choice for toenail onychomycosis.
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            The use of an intermittent terbinafine regimen for the treatment of dermatophyte toenail onychomycosis.

            To compare the efficacy and safety of intermittent terbinafine with standard courses of terbinafine and itraconazole for dermatophyte toenail onychomycosis.
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              Intermittent versus continuous terbinafine in the treatment of toenail onychomycosis: a randomized, double-blind comparison.

              Terbinafine is an established drug for the treatment of toenail onychomycosis. Minimizing the total dose of terbinafine and giving it intermittently could improve tolerability as well as compliance, provided efficacy is not compromised.
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                Author and article information

                Contributors
                Role: ND
                Journal
                rfmun
                Revista de la Facultad de Medicina
                rev.fac.med.
                Universidad Nacional de Colombia
                0120-0011
                January 2016
                : 64
                : 1
                : 59-66
                Affiliations
                [1 ] Universidad Nacional de Colombia Colombia
                Article
                S0120-00112016000100009
                10.15446/revfacmed.v64n1.47890
                38404a9a-289d-45a4-ab33-79a481b3e892

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

                History
                Product

                SciELO Colombia

                Self URI (journal page): http://www.scielo.org.co/scielo.php?script=sci_serial&pid=0120-0011&lng=en
                Categories
                MEDICINE, GENERAL & INTERNAL

                Internal medicine
                Onicomicosis,Ensayo clínico,Trichophyton,Efectividad,Revisión,Onychomycosis,Clinical Trial,Review,Effectiveness

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