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1.
Trials ; 10: 16, 2009 Mar 10.
Artículo en Inglés | MEDLINE | ID: mdl-19284553

RESUMEN

BACKGROUND: Tourette Syndrome (TS) is a neurological condition presenting chronic motor and phonic tics, and important degree of comorbidity. Considered an uncommon illness, it first becomes apparent during childhood. Current standard treatment only achieves partial control of the condition, and provokes frequent, and sometimes severe, side effects. METHODS AND DESIGN: Main aim: To show that, with respect to placebo treatment, the combination of 0.5 mEq/Kg magnesium and 2 mg/Kg vitamin B6 reduces motor and phonic tics and incapacity in cases of exacerbated TS among children aged 7-14 years, as measured on the Yale Global Tic Severity Scale (YGTSS). Secondary aims: Assess the safety of the treatment. Describe metabolic changes revealed by PET. Measure the impact of the experimental treatment on family life. METHODOLOGY: Randomized, blinded clinical trials. Phase IV study (new proposal for treatment with magnesium and vitamin B6). SCOPE: children in the geographic area of the study group. Recruitment of subjects: to include patients diagnosed with TS, in accordance with DSM-IV criteria (307.23), during a period of exacerbation, and provided none of the exclusion criteria are met. INSTRUMENTATION: clinical data and the YGTSS score will be obtained at the outset of a period of exacerbation (t0). The examinations will be made after 15 (t1), 30 (t2), 60 (t3) and 90 days (t4). PET will be performed at the t0 and t4. We evaluated decrease in the overall score (t0, t1, t2, t3, t4), PET variations, and impact made by the treatment on the patient's life (Psychological General Well-Being Index). DISCUSSION: Few clinical trials have been carried out on children with TS, but they are necessary, as current treatment possibilities are insufficient and often provoke side effects. The difficulty of dealing with an uncommon illness makes designing such a study all the more complicated. The present study seeks to overcome possible methodological problems by implementing a prior, phase II study, in order to calculate the relevant statistical parameters and to determine the safety of the proposed treatment. Providing a collateral treatment with magnesium and vitamin B6 could improve control of the illness and help reduce side effects. This protocol was approved by the Andalusian Government Committee for Clinical Trials (Spain). This study was funded by the Health Department of the Andalusian Regional Government and by the Healthcare Research Fund of the Carlos III Healthcare Institute (Spanish Ministry of Health). TRIAL REGISTRATION: Current Controlled Trials ISRCTN41082378.


Asunto(s)
Suplementos Dietéticos , Ácido Pirrolidona Carboxílico/uso terapéutico , Síndrome de Tourette/tratamiento farmacológico , Vitamina B 6/uso terapéutico , Adolescente , Ganglios Basales/diagnóstico por imagen , Ganglios Basales/efectos de los fármacos , Niño , Método Doble Ciego , Quimioterapia Combinada , Relaciones Familiares , Humanos , Tomografía de Emisión de Positrones , Corteza Prefrontal/diagnóstico por imagen , Corteza Prefrontal/efectos de los fármacos , Ácido Pirrolidona Carboxílico/efectos adversos , Calidad de Vida , Proyectos de Investigación , Índice de Severidad de la Enfermedad , Síndrome de Tourette/diagnóstico por imagen , Síndrome de Tourette/psicología , Resultado del Tratamiento , Vitamina B 6/efectos adversos
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