Phase II Double Blind Placebo Controlled Trial of Risperidone in Tourette Syndrome
risperidone
Enfermedades de los Ganglios Basales+10
+ Enfermedades del Cerebro
+ Enfermedades del Sistema Nervioso Central
Estudio de Tratamiento
Resumen
Fecha de inicio: 1 de julio de 1997
Fecha en la que se inscribió al primer participante.PROTOCOL OUTLINE: This is a randomized, double blind, placebo controlled study. Initially, all patients receive placebo capsules twice daily in a single blind fashion during the first 2 weeks of study. Then, patients are randomized to receive either risperidone (RIS) or placebo for 8 weeks. The dose of RIS is increased weekly over the first 4 weeks of treatment, as tolerated. Patients continue RIS for 4 additional weeks at the dose prescribed during week 4. All patients receive diagnostic evaluations at the beginning and end of the 2 week initial single blind phase, and at the end of weeks 2, 4, 6, and 8 of the active treatment phase.
Protocolo
Esta sección proporciona detalles del plan del estudio, incluyendo cómo está diseñado y qué se está evaluando.Se reclutarán 50 pacientes
Número total de participantes que el ensayo clínico espera reclutar.Estudio de Tratamiento
Elegibilidad
Los investigadores buscan pacientes que cumplan ciertos criterios, conocidos como criterios de elegibilidad: estado general de salud o tratamientos previos.Cualquier sexo
Sexo biológico de los participantes elegibles para inscribirse.De 7 a 60 años
Rango de edades de los participantes que pueden unirse al estudio.Voluntarios sanos no permitidos
Indica si personas sanas, sin la condición que se estudia, pueden participar.Condiciones
Patología
Criterios
PROTOCOL ENTRY CRITERIA: --Disease Characteristics-- DSM-IV diagnosis of Tourette Syndrome (TS) Tic symptoms greater than 3 (moderate or worse) on the Global Clinical Impression Scale for TS --Prior/Concurrent Therapy-- No concurrent use of other medications during study A minimum of 4 weeks since prior use of other medications and 8 weeks for neuroleptics or fluoxetine --Patient Characteristics-- Hepatic: No hepatic disease Renal: No renal disease Cardiovascular: No heart disease No hypertension Pulmonary: No pulmonary disease Other: Not pregnant IQ at least 70 required No other movement disorder allowed, such as tardive dyskinesia No major depression No pervasive developmental disorder No autism or psychotic disorder based on DSM-IV No alcohol or substance abuse No hypersensitivity to risperidone All subjects must be in good health