View clinical trials related to Vestibular Schwannoma.
Filter by:Previous studies have demonstrated that patients frequently undergo significant decision conflict regarding major medical decisions in otolaryngology. There lack validated tools available for decision support for patients. While limited evidence has demonstrated that clinical decision support tools can alleviate decision conflict for patients with diagnosis in otolaryngology, conversational language models were not employed in these studies and may provide additional benefit in this context. This study seeks to evaluate the efficacy of using ChatGPT, a conversational language model with basic clinical knowledge, in alleviating decision conflict for patients with new diagnosis in otolaryngology. For this pilot study, vestibular schwannoma, a benign tumor that develops on the vestibular nerve with known clinical equipoise, has been chosen for the initial study diagnosis. Efficacy will be evaluated by comparison of responses to the Decisional Conflict Scale (DCS) and Satisfaction with Decision (SWD) scores between a group given training in ChatGPT and a control group (no ChatGPT training).
The purpose of this study is to evaluate the vestibular effects of gamma-knife radiosurgery, as part of the treatment of vestibular schwannoma.
In standard of care regularly planned surgery, tissue will be obtained from patients who are suspicious for having vestibular Schwannoma (on MRI). The tissue that remains after the pathologist gathered sufficient for analysis, the remaining tissue is used for creating tumour stem cell organoids.
The study is a pilot efficacy study. The investigators aim to estimate mean baseline and post-treatment balance scores among Vestibular Schwannomas (VS) patients undergoing pretreatment rehab (PREHAB) or no PREHAB when managed with either surgery or radiosurgery.
The investigators aim to study the impact of stereotactic radiosurgery, for the treatment of vestibular Schwannoma, on the cochlear, vestibular, gustatory, and facial nerve functions and compare it with a conservatively treated group. The predictive value of radiological tumor characteristics on hearing preservation and vestibular function will be also evaluated. Additionally, the investigators will invite patients with vestibular Schwannoma to fill out questionnaires to assess their quality of life.
The investigators have developed a self-administered rehabilitation tool that incrementally guides the user to increase head motion to mitigate motion sickness and enhance postural recovery following centrifugation or unilateral vestibular nerve deafferentation surgery.
Vestibular schwannomas are primarily benign (WHO grade I) tumors originating from the Schwann cells of the vestibular nerve and are among the most common tumors of the skull base. Common treatment options are surgical tumor resection or targeted radiation therapy. The special challenge of surgical treatment is the functional preservation of the cranial nerves, especially the cochlear and facial nerves. Perioperative ischemia of the cochlea and cochlear nerve is postulated as the underlying mechanism of postoperative hearing loss. Ischemic preconditioning is a non-invasive procedure that triggers the release of vasoactive cytokines and mediators by repeated short-term induction of limb ischemia. Improved perfusion of critically perfused end organs as well as a reduction of cerebral infarct volumes has already been shown in other pathologies. In the planned study, possible neuroprotective effects of remote ischemic preconditioning on postoperative hearing as well as facial nerve function in patients with vestibular schwannomas will be examined.
The purpose of this research is to develop a therapeutic agent to help improve facial nerve outcomes and ultimately improve long-term quality-of-life following surgical resection of vestibular schwannomas. It is possible the therapeutic agent may impact tumor control rates as well, and this will also be studied. Using rigorous scientific methods, we will assess whether these factors are impacted by the treatment agent (Omega-3) versus placebo control (cellulose).
This project will investigate the role of noise in the vestibular system, and in particular its effects on the variability (precision) of vestibular-mediated behaviors. The investigators will study vestibular precision in normal subjects and patients with peripheral vestibular damage, and will investigate its potential plasticity. The goals are to develop a better understanding of the role noise plays in the vestibular system in normal and pathologic populations, and to determine if the brain can learn to improve signal recognition within its inherently noisy neural environment, which would result in improved behavioral precision.
Vestibular schwannomas are benign lesions of the ponto-cerebellar angle that are potentially dangerous because of their growth in a cramped space and the compressive phenomena they can cause. Stereotactic Gammaknife radiosurgery is a treatment option that can be offered for evolutive schwannomas smaller than 2.5-3 cm in size. It allows tumor stabilisation in 85% of cases with less than 1% facial nerve damage risk. There are controversial results regarding hearing preservation : percentages vary between 25 and 80% in the literature, depending on the criteria used and the post-treatment delay. Few studies have investigated changes in vestibular function and the impact on balance of radiosurgery, and their results are variable. These controversial results lead us to comprehensively assess the vestibular function and balance of these patients using a balance-specific quality of life questionnaire, in addition to objective overall vestibular assessments of vestibular function.