141 "Healthy volunteers" clinical trials found.
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The effect of transcutaneous auricular vagal nerve stimulation on pupillary response and perceptual learning.
Study 1: We will observe the use of taVNS versus sham setting(s) on healthy human subjects and observe pupillary response in a passive study ...Phase N/A
Interventional
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Single-center study of fiber tractography in brain tumor surgery
The value of DWI fiber tractography for a neurosurgeon depends on its ability to trace fiber bundles from the brain stem all the way to ...Phase N/A
Non-Interventional
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Asian American Native Hawaiian Pacific Islander cohort
This study aims to test the feasibility of the study activities proposed for an upcoming Asian American, Native Hawaiian, and Pacific Islander (AsA-NHPI) longitudinal cohort ...Phase N/A Non-Interventional
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Single-center observational longitudinal study to identify predictors of progression of joint damage after non-contact rupture of anterior cruciate ligament
Post-traumatic osteoarthritis (PTOA) is a common occurrence after anterior cruciate ligament (ACL) rupture independently of patient treatment, which indicates that early cellular and molecular changes ...Phase N/A Non-Interventional
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Comprehensive Imaging of the Corneal Endothelium in Health and Disease using Wide-field Scanning Specular Microscopy
The purpose of this study is to determine if the images taken with the Konan CellChek C microscopy device may improve diagnosis and monitoring of ...Phase N/A Interventional
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Technical Development observational study for Musculoskeletal (MSK) Magnetic Resonance Imaging
Newly developed MSK imaging protocols will conform to applicable FDA standards and recommendations. The data (images) will be transferred by the scan technologist and downloaded ...Phase N/A Non-Interventional
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Simultaneous Multinuclear Magnetic Resonance Fingerprinting for Data Fusion of Quantitative Structural and Metabolic Imaging
This proposal seeks to perform an observational study, for evaluating a new non-invasive imaging technique that will provide multi-parametric metabolic 3D maps of the living ...Phase N/A Non-Interventional
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IRON DEFICITS AND THEIR RELATIONSHIP WITH SYMPTOMS AND COGNITION IN PSYCHOTIC SPECTRUM DISORDERS
Psychotic Spectrum Disorders (PSD) are severe mental syndromes associated with significant lifelong impairment and high prevalence. In this proposal we aim to employ non-invasive imaging ...Phase N/A Non-Interventional
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Unpacking the Importance of the Structural Injuries of MTBI
To find imaging biomarkers of injury associated with symptoms in patients with MTBI by discovering the relationship between structural alterations and clinical status including cognition.Phase N/A Non-Interventional
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In Vivo Insights of Small Vessel Changes with Age Using Ultra-Small-Superparamagnetic-Iron-Oxide (USPIO)-Enhanced MRI
This proposal seeks to perform an observational study for developing a new imaging tool using an ultra-small-superparamagnetic-iron-oxide (USPIO) contrast agent to characterize age-related microvascular changes ...Phase N/A Non-Interventional
