Clinical trials: Volunteers, active
Brain Mapping, Healthy Volunteer
Development of Magnetic Resonance Spectroscopic Imaging Techniques for Imaging Metabolites in Human Brain and Muscle
Background: Magnetic resonance imaging (MRI) is a widely used scanning technique to obtain images of the human body and evaluate activity in the brain.
- Trial name
- NCT01266577
- Testing
- NSR MAGNETOM 7T, 1Tx x 32Rx Head Coil
- Where
- United States
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- National Institute of Mental Health (NIMH)
Healthy Volunteer Samples
Connors Protocol for the Management and Use of Stored Human Specimens (Stored Human Specimens)
Background: The HIV research program is part of the National Institute of Allergy and Infectious Diseases. The program aims to learn more about HIV. It also aims to improve the health of people with HIV and create HIV vaccines.
- Trial name
- NCT03895645
- Where
- United States
- Volunteers
- 1,000 people
- Sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)
Healthy Volunteer
Effects of Urolithin A Supplementation on Glucose Metabolism in Healthy Adults 55 >= Years Old: A Randomized Triple-Masked Controlled Clinical Trial
Background: As people age, the cells in the pancreas that produce insulin begin to release less of this hormone, and levels of blood glucose (sugar) rise. This can lead to illnesses such as diabetes.
- Trial name
- NCT06274749
- Testing
- Urolithin A
- Where
- United States
- Volunteers
- 180 people
- Sponsor
- National Institute on Aging (NIA)
Healthy Volunteer, Obestity
Assessing the Impact of Perceptions of Unpredictability on Objective Measures of Food Consumption and Metabolism
Background: Many people in the United States are overweight or obese. This natural history study will look into how life events during childhood can impact eating behaviors and weight gain as adults.
- Trial name
- NCT06690294
- Where
- United States
- Volunteers
- 110 people
- Sponsor
- National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
Healthy Volunteers
Phase I Trial of High-Density Theta Burst Stimulation (hdTBS)
Background: Transcranial magnetic stimulation (TMS) uses magnetic pulses to affect brain activity. A type of TMS called theta burst stimulation (TBS) is approved to treat people with major depression.
- Trial name
- NCT06868914
- Testing
- TMS (MagVenture MagPro 100 with MagOption)
- Where
- 2 sites in United States
- Volunteers
- 40 people
- Sponsor
- National Institute on Drug Abuse (NIDA)
Nephrotic Syndrome, Lipodystrophy
Effects of Meal Macronutrients on Postprandial Lipids
Background: Abnormal fats in the blood can lead to many problems, including heart disease. Researchers want to learn more about how eating meals with different levels of nutrients affects fats in the blood.
- Conditions
- Nephrotic Syndrome, Lipodystrophy, Metabolic Syndrome, Healthy Volunteer
- Trial name
- NCT07313787
- Testing
- High carb then high fat breakfast, High fat then high carb breakfast
- Where
- United States
- Volunteers
- 100 people
- Sponsor
- National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
Healthy Volunteers, Sympathetic Activity
SPARK Study - Sympathetic Periarterial Radial Block in Healthy Volunteers
The SPARK Study evaluates changes in peripheral sympathetic vasomotor activity following a targeted, ultrasound-guided periarterial sympathetic block of the distal radial artery in healthy volunteers.
- Trial name
- SPARK (NCT07429292)
- Testing
- Lidocaine 2%
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Duke University
Healthy Volunteers
Investigating the Analgesic Potential of (2R,6R)-HNK in Acute Pain in Healthy Volunteers
Background: Opioid drugs are often prescribed for acute and chronic pain. But these drugs are addictive, and they lead to more than 14,000 overdose deaths in the United States each year.
- Trial name
- NCT07504601
- Testing
- (2R,6R)-Hydroxynorketamine
- Where
- United States
- Volunteers
- 92 people, healthy volunteers welcome
- Sponsor
- National Center for Complementary and Integrative Health (NCCIH)
Healthy Volunteer, Atopic Dermatitis
First-in-Human Trial to Assess REGN20423 in Healthy Adult Participants and Adult Participants With Atopic Dermatitis
This study will test an experimental study medicine called REGN20423 to see how effective it is in healthy participants (in Part A) and participants with atopic dermatitis (eczema) (in Part B).
- Trial name
- AURA-AD (NCT07527923)
- Testing
- REGN20423
- Where
- 9 sites in United States, Belgium
- Volunteers
- 160 people, healthy volunteers welcome
- Sponsor
- Regeneron Pharmaceuticals
Healthy Volunteers
Temporal Interference Methods for Non-invasive Deep Brain Stimulation, Study 1.3
This grant aims to develop a line of research using temporal interference (TI) electrical neurostimulation technology to understand the causal role of deep brain structures in cognition.
- Trial name
- NCT07594795
- Testing
- Temporal Interference (TI) Electrical Stimulation - dACC 20 Hz TI Active, Temporal Interference (TI) Electrical Stimulation - dACC Comparison Frequency TI Active
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Indiana University
Healthy Volunteer
Discovering Determinants of Food Intake by Application of Artificial Intelligence to Complex, High-Dimensional Data
Background: Many people in the United States are overweight or obese. Researchers want to learn why some people can overeat and not gain weight, whereas others who do not overeat still gain weight.
- Trial name
- NCT07637656
- Where
- United States
- Volunteers
- 800 people
- Sponsor
- National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
Healthy Volunteers
Survey to Determine Incarcerated Persons' Views on Surrogate Decision Making
Background: About 180,000 of the people in US prisons are over 55 years old. Aging people often cannot make medical decisions on their own.
- Trial name
- NCT07751731
- Testing
- Survey
- Where
- United States
- Volunteers
- 75,000 people, healthy volunteers welcome
- Sponsor
- National Institutes of Health Clinical Center (CC)
Healthy Volunteers
Dynamic Magnetic Resonance Imaging of Human Subarachnoid Space Using Intrathecal Gadolinium Contrast
Background: Cerebrospinal fluid (CSF) is the liquid that fills the space around the brain and spinal cord. Researchers do not fully understand how CSF flows and drains around the brain.
- Trial name
- NCT07796360
- Testing
- Gadobutrol
- Where
- United States
- Volunteers
- 15 people
- Sponsor
- National Institute of Neurological Disorders and Stroke (NINDS)
Healthy Volunteer, Malaria
Positron Emission Tomography and Organ-Specific Changes in Participants Co-Enrolled in NIH Studies of Plasmodium Vivax Controlled Human Malaria Infection
Background: Malaria is a serious disease caused by parasites spread by mosquitoes. To better diagnose and treat malaria, researchers need to learn more about where the parasites go when they enter a person's body.
- Trial name
- NCT07859800
- Testing
- 18F-fluorodeoxyglucose-positron emission tomography/computed tomography scan
- Where
- United States
- Volunteers
- 45 people
- Sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)
Treatment Adherence and Compliance, Resistance Exercise
Testing a Smartphone App to Support a Mediterranean Diet and Strength Exercise
Eating a Mediterranean-style diet and doing regular resistance training are both known to lower the risk of heart disease. However, most people find it hard to stick to these habits over time, and few smartphone apps support both…
- Conditions
- Treatment Adherence and Compliance, Resistance Exercise, Mediterranean Diet, Healthy Volunteers
- Trial name
- App-etite (NCT07885254)
- Testing
- MedEx Tracker, Printed dietary and resistance exercise programme
- Where
- United Kingdom
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Liverpool John Moores University
Healthy Volunteers
Effects of Ad Libitum Ultra-Processed Diet on Brain Dopamine in Humans
Background: Dopamine is a chemical that the brain makes when a person expects a reward. Researchers want to learn more about how eating different types of food affects dopamine levels in the brain.
- Trial name
- NCT07920952
- Testing
- [11C] raclopride, liquid nutritive stimulus, Tasteless Oral Stimulus Solution
- Where
- United States
- Volunteers
- 140 people
- Sponsor
- National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
Respiratory Sinus Arrhythmia, Heart Rate Variability
Smartphone Camera Measurement of Breathing-Related Heart Rate Variability Compared With ECG in Healthy Adults
This study examines how accurately a smartphone can measure the rhythmic rise and fall of heart rate that occurs with breathing (respiratory heart rate variability).
- Conditions
- Respiratory Sinus Arrhythmia, Heart Rate Variability, Healthy Volunteers
- Trial name
- NCT07922161
- Testing
- Smartphone simultaneous facial and fingertip photoplethysmography (research app), Audio-guided paced breathing
- Where
- South Korea
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- BELL Therapeutics Inc.
Healthy Volunteers - Male and Female
Neuroergonomic Analysis of a Brain-Computer Interface Device (BCI)
This study evaluates the mental workload and user experience associated with a Brain-Computer Interface (BCI) device called Exobots.
- Trial name
- NCT07922265
- Testing
- EEG-Based Brain-Computer Interface Device
- Where
- 2 sites in Brazil
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Universidade Federal do Paraná
Motor Disorders, Neuromuscular Diseases
Usability of the FTEXES Wearable Textile Platform for Functional Electrical Stimulation and EMG
FTEXES (Functionalized TEXtiles for Electrical Stimulation) is a wearable platform based on sensorized garments (Smart Pants and Smart T-shirt) with integrated textile electrodes for surface electromyography (EMG) recording and…
- Conditions
- Motor Disorders, Neuromuscular Diseases, Healthy Volunteers
- Trial name
- FTEXES (NCT07922980)
- Testing
- FTEXES wearable system
- Where
- Italy
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Politecnico di Milano
Healthy Volunteer
Studies of Blood Flow to the Brain During Thought
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.
- Trial name
- NCT00001360
- Where
- United States
- Volunteers
- 4,100 people, healthy volunteers welcome
- Sponsor
- National Institute of Mental Health (NIMH)