REM Sleep Behavior Disorder Clinical Trial
Official title:
The Effect of alpha1- Adrenergic Receptor Antagonist Therapy on Cardiac and Striatal Transporter Uptake in Pre-Motor and Symptomatic Parkinson's Disease: A Follow up Study
The purpose of this study is to investigate the long-term effects of treatment with the selective post-synaptic a1-adrenergic blocker terazosin on serial in a population of subjects with defined pre-motor Parkinson's disease (PD) risks and abnormal imaging exams. Imaging changes will be correlated to the presence and severity of motor and non-motor symptoms of PD, measured by validated clinical scales and cardiac autonomic function tests.
The purpose of this study is to investigate the long-term effects of treatment with the selective post-synaptic a1-adrenergic blocker terazosin on serial 123 Ioflupane Dopamine Transporter single-photon emission-computed tomography (123I-FP DAT-SPECT) in a population of subjects with defined pre-motor PD risks (i.e., RBD and at least one among hyposmia, constipation, depression and color vision abnormality) and abnormal Iodine-123 meta-iodobenzylguanidine (123I-MIBG) uptake. Imaging changes will be correlated to the presence and severity of motor and non-motor symptoms of PD, measured by validated clinical scales and cardiac autonomic function tests. The rate of RBD clinical conversion to PD will be estimated and compared to available data in the literature. ;
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