Schizophrenia Clinical Trial
Official title:
The Clinical and Functional Imaging Effects of Non-invasive Neuromodulation on Illness Awareness in Schizophrenia
This study aims to determine the clinical and functional imaging effects of serial CVS on illness awareness in schizophrenia. Specifically, the investigators aim to: 1. Determine if twice-daily CVS for 4 weeks will improve illness awareness compared to the sham condition in participants with schizophrenia. Illness awareness will be assessed at pre- and post-CVS, and weekly thereafter for 4 weeks. 2. Examine changes in brain network activity (blood oxygen level dependent-BOLD in response to an illness awareness task) pre- and post-CVS. This will serve as a biomarker to rigorously test whether repeated CVS engages the PPA associated with illness awareness.
The proposed study employs a novel approach to determine the clinical and functional imaging effects of CVS on illness awareness in schizophrenia - a significant contributor to medication non-adherence and poor treatment outcomes, and arguably the most treatment resistant manifestation of the disorder. CVS is a traditionally safe and non-invasive method of vestibular stimulation that will be used in conjunction with a neuroimaging biomarker to measure brain changes associated with CVS and illness awareness. The results of this study will provide solid evidence for larger treatment-controlled effectiveness studies to determine if CVS is a practical means of producing lasting effects on illness awareness in individuals with schizophrenia or whether maintenance CVS treatment is required. ;
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