Clinical trials: Brain Disorder, Metabolic
Type 1 Diabetes, Hypoglycemia Unawareness
Naltrexone and Hypoglycemia in Type 1 Diabetes
Low blood sugar is also called hypoglycemia. Usually, it is mild and can be treated quickly and easily by eating or drinking a small amount of a sugar-rich food.
- Trial name
- Naltrexone (NCT01053078)
- Testing
- Naltrexone
- Where
- United States
- Volunteers
- 29 people, healthy volunteers welcome
- Sponsor
- University of Minnesota
Parkinson's Disease (PD)
An Open-label Study in Healthy Male Subjects to Assess the Absorption, Distribution, Metabolism and Excretion of [14C]-Labelled BIA 9-1067 and Metabolites
The purpose of this study is to determine the rate and routes of excretion of OPC and the mass balance in urine, faeces and expired air.
- Trial name
- NCT02169427
- Testing
- OPC
- Where
- Netherlands
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- Bial - Portela C S.A.
Alzheimer's Disease, Obesity
Intermittent Calorie Restriction, Insulin Resistance, and Biomarkers of Brain Function
Background: Insulin removes sugar from the blood to use for energy. Insulin resistance means that cells may not respond to insulin normally. It can lead to serious diseases.
- Conditions
- Alzheimer's Disease, Obesity, Diabetes Mellitus
- Trial name
- NCT02460783
- Testing
- Boost (R) 5-2 diet, Healthy Living Diet
- Where
- United States
- Volunteers
- 129 people, healthy volunteers welcome
- Sponsor
- National Institute on Aging (NIA)
Bipolar Depression
Lamotrigine Therapy in Geriatric Bipolar Depression
We propose to study the efficacy and tolerability of lamotrigine in the treatment of older adults with bipolar depression and to compare measures of brain energy metabolism between older subjects with bipolar depression and…
- Trial name
- NCT00720473
- Testing
- Lamotrigine
- Where
- United States
- Volunteers
- 69 people, healthy volunteers welcome
- Sponsor
- Mclean Hospital
Urea Cycle Disorder
Manipulating the Gut Microbiome Study
The objective is to determine if acetohydroxamic acid (AHA) can prevent hydrolysis of urea by inhibiting the bacterial urease of gut flora of both healthy control adults as well as adults with urea cycle disorders
- Trial name
- NCT03181828
- Testing
- Acetohydroxamic Acid Oral Tablet, No treatment
- Where
- United States
- Volunteers
- 4 people, healthy volunteers welcome
- Sponsor
- Nicholas Ah Mew
Diabetes Mellitus, Hypertension
Impact of INsulin Sensitivity on Cardiovascular Risk Markers During 10-20 Years of FOllow up
The purpose of this study is to identify risk factors for insulin resistance and to investigate the influence of insulin sensitivity on development of cardiovascular risk markers like blood pressure, heart rate, body build…
- Conditions
- Diabetes Mellitus, Hypertension, Ischemic Heart Disease, Stroke
- Trial name
- INFO (NCT01412554)
- Where
- Norway
- Volunteers
- 103 people, healthy volunteers welcome
- Sponsor
- Oslo University Hospital
Phenylketonuria (PKU)
A Pilot Study on Diurnal Variation
This self-controlled, prospective, pilot study is designed to gather information regarding the diurnal variation (changes that occur each day) in the levels of plasma phenylalanine (Phe) and tyrosine in patients with…
- Trial name
- NCT01806051
- Testing
- Kuvan
- Where
- United States
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- Dr. Linda Randolph
Duarte Galactosemia
Intervention and Outcomes in Duarte Galactosemia
The purpose of this study is to learn about Duarte galactosemia (DG). This study will examine the possible effects of Duarte galactosemia (DG) in children, and determine whether dietary exposure to milk in infancy or early…
- Trial name
- NCT02519504
- Where
- United States
- Volunteers
- 566 people, healthy volunteers welcome
- Sponsor
- Emory University
Schizophrenia, Psychotic Disorders
Acute Glycine Pharmacodynamic Study
The purpose of this study is to use proton magnetic resonance spectroscopy (MRS) at 4 Tesla to measure brain glycine levels noninvasively at baseline and for 2 hours after a single oral dose of a concentrated glycine-containing…
- Trial name
- NCT01610011
- Testing
- Glycine administration
- Where
- United States
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- Mclean Hospital
Parkinson Disease
Absorption, Distribution, Metabolism and Excretion of [14C]-Labeled BIA 9-1067 and Metabolites
To determine the absorption, metabolism and excretion of BIA 9-1067.
- Trial name
- NCT01515891
- Testing
- BIA 9-1067
- Where
- Switzerland
- Volunteers
- 4 people, healthy volunteers welcome
- Sponsor
- Bial - Portela C S.A.
Diabetes Type 2, Dementia
The Interaction Between Diabetes and Estradiol on Human Brain Metabolism in Postmenopausal Women
The primary aim of this study is to test whether type 2 diabetes interacts with estradiol on brain metabolism in vivo in humans.
- Trial name
- E2T2D (NCT03681691)
- Testing
- Estradiol patch
- Where
- United States
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Wake Forest University Health Sciences
Pompe Disease
Dynamic Respiratory Muscle Function in Late-Onset Pompe Disease
This study intends to evaluate dynamic respiratory motor performance as a valuable measure of pulmonary function in adults with late-onset Pompe disease.
- Trial name
- DRMF (NCT02354664)
- Testing
- Thoracic MRI, Spirometry, Inspiratory Load Compensation
- Where
- United States
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- University of Florida
Diabetes Mellitus
A Study Comparing the Effect of Albiglutide With Exenatide on Regional Brain Activity Related to Nausea in Healthy Subjects
The drug effects will be studied after a single dose of 50 milligram (mg) albiglutide and a single dose of 10 microgram exenatide, to gain insight into the central mechanisms of nausea associated with Glucagon-like peptide-1…
- Trial name
- NCT02802514
- Testing
- Albiglutide 50mg, Exenatide 10microgram
- Where
- United States
- Volunteers
- 5 people, healthy volunteers welcome
- Sponsor
- GlaxoSmithKline
Obesity, Healthy Volunteers
Brain Dopamine Function in Human Obesity
Background: Dopamine is a natural chemical in the brain that may influence eating behavior and physical activity. Researchers want to measure the brain s dopamine activity and understand how it differs in people with obesity.
- Conditions
- Obesity, Healthy Volunteers, Overweight
- Trial name
- NCT03648892
- Testing
- [c11] raclopride, [18F]fallypride
- Where
- United States
- Volunteers
- 61 people, healthy volunteers welcome
- Sponsor
- National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
Glucose Metabolism Disorders
Glucose and Non-Invasive Brain Stimulation
Purpose: In this study, the investigators will delineate how brain network dynamics are modulated by experimentally induced elevated blood glucose levels and examine how glucose levels gate neuronal excitability measured by the…
- Trial name
- NCT04031404
- Testing
- Single-pulse TMS
- Where
- United States
- Volunteers
- 23 people, healthy volunteers welcome
- Sponsor
- University of North Carolina, Chapel Hill
Frontotemporal Lobar Degeneration (FTLD), Frontotemporal Dementia (FTD)
Tau PET Imaging With 18F-AV-1451 in Subjects With MAPT Mutations
The study will investigate the ability of a new PET tracer, 18F-AV-1451, to detect depositions of a protein, called tau, in the brains of people with a mutation in the tau gene that causes deposition of the protein, and in people…
- Conditions
- Frontotemporal Lobar Degeneration (FTLD), Frontotemporal Dementia (FTD), Tauopathies
- Trial name
- NCT02676843
- Testing
- 18F-AV-1451
- Where
- United States
- Volunteers
- 7 people, healthy volunteers welcome
- Sponsor
- Columbia University
Healthy
PET Study of Cerebral Metabolism of 11C-acetoacetate and 18F-FDG in Patients Under Moderate Ketosis
Regional brain glucose hypometabolism occurs during aging and may contribute to the onset of aging-related cognitive impairment in humans. Ketones are the main alternative energy substrate to glucose for the brain.
- Trial name
- TEP-KD (NCT02409784)
- Testing
- Pre-KD, Post-KD
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Université de Sherbrooke
Healthy, Amyotrophic Lateral Sclerosis
P300 Brain Computer Interface Keyboard to Operate Assistive Technology
The purpose of this research is to develop tools enable people who are paralyzed to operate technology and access computers. These tools are called brain computer interfaces (BCIs).
- Conditions
- Healthy, Amyotrophic Lateral Sclerosis, Neuromuscular Disease, Spinal Cord Injury
- Trial name
- NCT00860951
- Testing
- Brain Computer Interface Keyboard
- Where
- 2 sites in United States
- Volunteers
- 29 people, healthy volunteers welcome
- Sponsor
- University of Michigan
Obesity
Cognition and Magnetic Resonance Imaging of Brain Inflammation in Obesity
The rate of obesity in the United States is high and is a risk factor for concurrent cognitive impairment and, in late life, dementias such as Alzheimer's disease.
- Trial name
- NIFOB (NCT04116229)
- Testing
- Oral glucose tolerance test, Cognitive testing, Magnetic resonance imaging
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Washington University School of Medicine
Phenylketonuria
Phenylketonuria, Oxidative Stress, and BH4
The purpose of this study is to see how tetrahydrobiopterin therapy (BH4; also known as sapropterin dihydrochloride or Kuvan) affects measures of oxidative stress and endothelial function in patients with Phenylketonuria (PKU).
- Trial name
- NCT01395394
- Testing
- Kuvan, Meal Challenge
- Where
- United States
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Emory University