Clinical trials: MRI, Functional
Human Memory, Intranasal Insulin
fMRI Study of Effects of Nasal Insulin on Memory
Recent research has suggested insulin may be involved in how human's form and recall memories. This study is designed to look at how nasal insulin is used in the brain.
- Trial name
- NCT02758691
- Testing
- Intranasal Insulin, Intranasal Saline
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- Virginia Polytechnic Institute and State University
Healthy, Brain Insulin Sensitivity
Long-Term Effects of Walnut Consumption on Brain Function
Rationale: Healthy foods, including mixed nuts, may improve brain function, which is essential for cognitive and metabolic health, and may contribute to improved food intake regulation.
- Conditions
- Healthy, Brain Insulin Sensitivity, Cerebral Blood Flow, Brain Vascular Function
- Trial name
- WalBrain (NCT07422220)
- Testing
- Walnuts
- Where
- Netherlands
- Volunteers
- 55 people, healthy volunteers welcome
- Sponsor
- Maastricht University Medical Center
Simultaneous Pancreas-Kidney Transplantation
To Explore the Value of Magnetic Resonance Imaging in Noninvasive Quantitative Evaluation of Graft Function After Simultaneous Pancreas-kidney Transplantation
Pancreatic kidney joint transplantation (SPK) has become the standard treatment for patients with diabetes complicated by end-stage renal disease.
- Trial name
- NCT07001917
- Where
- China
- Volunteers
- 500 people, healthy volunteers welcome
- Sponsor
- Zhen Li
Healthy
Activating and Identifying Neural Responses to Social Rejection: a Combined tDCS and fMRI Study
This research study identifies neural pathways regulating negative moods during rejection by combining transcranial direct current stimulation (tDCS) and fMRI in a sample of healthy controls.
- Trial name
- NCT02739789
- Testing
- tDCS
- Where
- United States
- Volunteers
- 19 people, healthy volunteers welcome
- Sponsor
- Stony Brook University
Healthy
Chatbot Intervention Effects on Resting-State Brain Function in Anhedonia
The main aim of the present study is to investigate the effects of a Motivational Interviewing-based artificial intelligence chatbot on resting-state brain function in college students with elevated anhedonia and depressive…
- Trial name
- NCT07665216
- Testing
- MI Chatbot Interaction, Active Control Chatbot Interaction
- Where
- China
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- University of Electronic Science and Technology of China
Obesity, Gliosis, Weight-Loss
A Cohort Study of Weight Loss and Gliosis
Patients and clinicians need better options to prevent the weight regain that almost universally follows a weight loss intervention. In lay terms, a new, higher "set point" seems to occur after people gain weight.
- Trial name
- NCT03578887
- Testing
- Behavioral Weight Loss Program, Roux-en-Y Gastric Bypass or Sleeve Gastrectomy
- Where
- United States
- Volunteers
- 112 people, healthy volunteers welcome
- Sponsor
- University of Washington
Major Depressive Disorder, Menopausal Staging and Vasomotor Symptoms (for Females)
Desvenlafaxine Succinate (DVS) for Major Depressive Disorder (MDD) in Midlife Men and Women
The main objective of this study is to characterize a range of brain activation symptoms associated with depression and response to treatment in midlife men and women with MDD, using MRI and functional MRI.
- Trial name
- DVS (NCT00888862)
- Testing
- Desvenlafaxine Succinate
- Where
- Canada
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Hamilton Health Sciences Corporation
Fibromyalgia, Pain, Chronic
Psychobiological Mechanisms Underlying Chronic Pain
Pain is a powerful motivator of behavior and it is more than the perception of nociceptive input. It is a complex experience that comprises different components: sensory discriminative, emotional-motivational and cognitive…
- Conditions
- Fibromyalgia, Pain, Chronic, Chronic Pain, Widespread
- Trial name
- NCT04674670
- Testing
- Bromocriptine Mesylate Capsules, Amisulpride 400 MG
- Where
- Switzerland
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- susanne becker
Schizophrenia
Clinical Trial of Tolcapone for Cognition in Schizophrenia
This study will evaluate whether Tolcapone improves cognition in healthy volunteers as well as patients with schizophrenia. Talcapone is a drug that has been FDA approved for Attention Deficit Disorder and allegedly increase the…
- Trial name
- NCT00044083
- Testing
- Tolcapone
- Where
- United States
- Volunteers
- 210 people, healthy volunteers welcome
- Sponsor
- National Institute of Mental Health (NIMH)
Alcohol Use Disorder
Neural and Hormonal Influences on Sex Differences in Risk for AUD
The sex gap in alcohol consumption is closing rapidly, due to alarming increases among women. From 2002-2013, Alcohol Use Disorder (AUD) increased 84% for women, compared to 35% for men.
- Trial name
- NCT04929288
- Testing
- Alcohol
- Where
- United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Jessica Weafer
Feeding Behavior, Brain
Food Intake and the Adolescent Brain
The brain plays an integral role in how and what people eat. However, the brain's contribution to overeating is not well understood during sensitive developmental periods such as adolescence, when excessive weight gain and…
- Conditions
- Feeding Behavior, Brain, Adolescent
- Trial name
- ADOB (NCT04208256)
- Testing
- Energy Stimulus
- Where
- United States
- Volunteers
- 63 people, healthy volunteers welcome
- Sponsor
- University of Colorado, Denver
Healthy Participants, Anxiety Disorders (With High Anxiety Symptoms)
tVNS and Approach-Avoidance Behavior in Anhedonia and Anxiety
This study investigates if anhedonia and anxiety symptoms are associated with alterations in reinforcement learning, effort trade-offs for wins vs. punishments, and foraging behavior under threat.
- Conditions
- Healthy Participants, Anxiety Disorders (With High Anxiety Symptoms), Depressive Disorders (With High Anhedonia Symptoms), Comorbid Depression and Anxiety Disorder (With High Anhedonia and High Anxiety Symptoms)
- Trial name
- NCT07476469
- Testing
- tVNS
- Where
- Germany
- Volunteers
- 104 people, healthy volunteers welcome
- Sponsor
- Dr. Nils B. Kroemer
Healthy
Longitudinal 3He Magnetic Resonance Imaging of Healthy Lung
Healthy elderly subjects male and female aged 65-85 will undergo MRI, lung function and exercise testing for the development of tools to quantify and validate longitudinal in vivo magnetic resonance imaging phenotypes of the…
- Trial name
- NCT02483403
- Testing
- Hyperpolarized Helium-3, MRI
- Where
- Canada
- Volunteers
- 66 people, healthy volunteers welcome
- Sponsor
- Western University, Canada
Tourette Syndrome
Dopaminergic Effects on Cortical Function in Tourette's (Levodopa Protocol)
Dr. Kevin J. Black at Washington University is conducting a study to learn whether we can use MRI scans to test dopamine function in the brain and to determine whether the brain performs memory tasks differently in Tourette…
- Trial name
- TSfMRI (NCT00634556)
- Testing
- levodopa solution 2mg/ml for i.v. use
- Where
- United States
- Volunteers
- 49 people, healthy volunteers welcome
- Sponsor
- Washington University School of Medicine
Long Covid
The Effect of Acupuncture Treatment on Cognitive Functions and Brain Networks for Long COVID
Background of study: Long COVID(LC) is a prevalent sequalae of SARS-CoV-2 infection and can affect multiple organ systems. Cognitive dysfunction is one of the most common symptoms in LC with 22% prevalence.
- Trial name
- NCT07355751
- Testing
- Acupuncture
- Where
- 2 sites in China
- Volunteers
- 108 people, healthy volunteers welcome
- Sponsor
- Tingting Luo
Nicotine Dependency, Smoking
A Fmri Study on the Effects of a Conjugate Vaccine and Placebo on CNS Activation and Behavior Following a Nicotine Challenge
In this study the effects of a nicotine challenge on brain activity, behavior and mood will be evaluated in two groups of healthy volunteers who have a smoking habbit: The first group will undergo a series of treatments with…
- Trial name
- EPU057 (NCT01318668)
- Testing
- vaccination with Nicvax
- Where
- Netherlands
- Volunteers
- 38 people, healthy volunteers welcome
- Sponsor
- Maastricht University Medical Center
Focus: Effects of Nicotine and Alcohol on Brain Circuits
Neural Mechanisms Underlying Nicotine and Alcohol Combinations
Nicotine and alcohol are frequently used together and their combined use contributes to more than half a million deaths each year, with more alcoholics dying from smoking-related diseases than from alcohol-related diseases.
- Trial name
- QfMRI (NCT02049268)
- Testing
- Nicotine + Alcohol
- Where
- United States
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Mclean Hospital
Obesity
Diet, Imaging and Energy Balance Trial (DIET)
To evaluate whether changes in macronutrient consumption (i.e., switching to a diet low in carbohydrates) can change brain responses to cues depicting foods representing that macronutrient.
- Trial name
- DIET (NCT00787280)
- Testing
- Low Carbohydrate Ketogenic Diet (LCKD), Low Fat Diet (LFD)
- Where
- United States
- Volunteers
- 51 people, healthy volunteers welcome
- Sponsor
- Duke University
Nicotine Dependence
The Impact of Real-time Functional Magnetic Resonance Imaging (fMRI) Feedback on Response to Nicotine Cues
The purpose of this study is to develop a technique to provide feedback of brain activity and to use this technique to reduce levels of craving in nicotine dependent smokers.
- Trial name
- RTSmoking (NCT01411007)
- Where
- United States
- Volunteers
- 44 people, healthy volunteers welcome
- Sponsor
- Medical University of South Carolina
Alcoholism
Alcohol Addiction: A Systems-oriented Approach
The goal of the multicenter subproject (SP) 10 of the eMED Alcohol Addiction Consortium - A Systems-Oriented Approach is to study neuroimaging x genetics predictions in an existing sample (NGFNplus) of tightly endophenotyped and…
- Trial name
- eMedAlcohol (NCT02910193)
- Where
- Germany
- Volunteers
- 159 people, healthy volunteers welcome
- Sponsor
- Charite University, Berlin, Germany