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Discover 14,456 clinical trials near Minneapolis, Minnesota. Find research studies in your area.
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NCT05471960
REM sleep behavior disorder is a parasomnia that reflects the presence of alpha-synucleinopathy in the brain and is highly predictive of eventual phenoconversion to Parkinson's disease, dementia with Lewy bodies, or multiple system atrophy over the course of years to decades. Neuroplastic adaptations in the brain during the prodromal stage of disease are thought to mask the expression of motor and non-motor signs and may substantially delay diagnosis during a potentially critical time window. This study will examine the state and progression (over 30 to 36 months) of neuroplastic changes in the excitability of the motor and prefrontal cortex (using transcranial magnetic stimulation), the structural and functional connectivity of the brain (using highfield, 7T, magnetic resonance imaging), and the relationship of these changes to the expression of motor and neuropsychological signs, in a cohort of individuals with REM sleep behavior disorder and matched controls.
NCT04145115
This phase II trial studies the effect of immunotherapy drugs (ipilimumab and nivolumab) in treating patients with glioma that has come back (recurrent) and carries a high number of mutations (mutational burden). Cancer is caused by changes (mutations) to genes that control the way cells function. Tumors with high number of mutations may respond well to immunotherapy. Immunotherapy with monoclonal antibodies such as ipilimumab and nivolumab may help the body's immune system attack the cancer and may interfere with the ability of tumor cells to grow and spread. Giving ipilimumab and nivolumab may lower the chance of recurrent glioblastoma with high number of mutations from growing or spreading compared to usual care (surgery or chemotherapy).