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Showing 1-5 of 5 trials
NCT04421365
The researchers will develop and evaluate the use of adaptive closed-loop brain-computer interface therapeutic intervention in laryngeal dystonia.
NCT05150106
The researchers will systematically evaluate current and novel clinical voice assessment tools and measures to elucidate distinct clinical phenotypes of those with laryngeal dystonia and voice tremor.
NCT06111027
The general aim of the study is to provide evidence for usability and feasibility of applying vibro-tactile stimulation (VTS) at home as a non-invasive form of neuromodulation to improve speech in people with spasmodic dysphonia (SD). This work addresses a clinical need to develop alternative or auxiliary treatments for a rare voice disorder with very limited treatment options. Successful completion of the proposed work will be an important step in advancing laryngeal VTS as a therapeutic intervention for improving voice symptoms in SD.
NCT05580302
The goal of this observational study is to evaluate the cortical silent period (cSP) in cricothyroid muscle (CT) in laryngeal dystonia and control healthy subjects. The study will provide norms related to latency and amplitude of motor evoked potentials (MEPs) and duration of cSP in CT muscle in laryngeal dystonia and control healthy subjects. Findings may give a baseline in comparison to findings in laryngeal diseases and insight into maladaptive cortical control function during phonation in laryngeal diseases like laryngeal dystonia.
NCT05110417
The purpose of this study is to evaluate the effects of pyridostigmine (Mestinon) on patient vocal outcomes after undergoing laryngeal botulinum neurotoxin (BoNT) injections, which is a standard treatment for spasmodic dysphonia. Pyridostigmine (Mestinon) has been used for treatment of BoNT overdose, and it is our hope that it will be beneficial in the management of post BoNT breathy phase.