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622 recruiting studies matching your filters
A Multi-center Study Examining Bronchial Hyperresponsiveness in Primary Ciliary Dyskinesia
The purpose of this study is to look at children with PCD and see if they have another condition called "bronchial hyperresponsiveness".
Visualization of Topical Zoryve vs. Vehicle Using Line Field Optical Coherence Tomography in Healthy Skin
The goal of this study is to visualize the deposition of topical 0.3% roflumilast (Zoryve) compared to vehicle using Line-Field Optical Coherence Tomography (L…
Endothelial Derived Hyperpolarization Factor and Regulation of Cerebral and Muscle Blood Flow
Most cardiometabolic diseases are characterized by increased muscle sympathetic nerve activity (MSNA) during rest and exercise which contributes to poor health…
A First-In-Human Study to Evaluate the Pharmacokinetics, Safety, and Tolerability of ABBV-722 Following Single and Multiple Ascending Doses in Healthy Adult Subjects and Single Doses in Healthy Adult Asian Subjects
This is a Phase 1, first-in-human study to investigate safety, tolerability, and pharmacokinetics of ABBV-722 after oral dosing in healthy adult participants.
A Randomized, Decentralized, Crossover, Open-Label Trial to Assess Subjective and Physiological Responses to Consumption of Caffeinated Beverages in Healthy Adults With a Caffeine Routine
This study will evaluate post-beverage subjective caffeine responses and physiological responses to caffeinated beverages in generally healthy adults.
The Contributions of Age Related Changes in the Sound Localization Pathway to Central Hearing Loss
Age-related hearing loss, presbycusis, affects up to 50% of American adults. There are two main causes for presbycusis: 1) Progressive death of hair cells in t…
Regional Cerebral Blood Flow Studies of Object Perception, Identification, Localization, and Memory
The purpose of this study is to use brain imaging technology to measure changes in blood flow to areas in the brain as individuals perform intellectual tasks. …
Location- and Frequency-Dependent Effects of Thalamic Temporal Interference Stimulation During Sleep
This study is to find out whether a type of non-invasive electrical brain stimulation called temporal interference transcranial electrical stimulation (TI-TES)…
Comparison of the Short-Term Effect of Dietary Carbohydrate Restriction Versus Exogenous Ketone Supplementation on Myocardial Glucose Suppression and Timing to Achieve a State of Ketosis Using FDG PET/CT Serial Imaging
The purpose of this study is to test different methods of preparation that can be used prior to a test called an FDG PET/CT scan. FDG PET/CT scans are routinel…
Effects of PFC tDCS on Cognitive Control, Attention Lapses and Coordinated Neural Activity in the Theta and Alpha Bands
The purpose of this study is to better understand the neural correlates of higher-order cognition, both in the healthy brain and in schizophrenia, and to deter…
Gastrointestinal Oxalate Absorption in Calcium Oxalate Stone Disease
The goal of this clinical trial study is to test if patients with idiopathic calcium oxalate kidney stones have an increased absorption of dietary oxalate, whi…
Anti-mullerian Hormone Levels in Healthy Females
The purpose of this study is to have a better understanding of the normal blood levels of AMH in females from 0-18 years of age and how the blood AMH levels co…