Clinical trials: Natural History
Gastrointestinal Diseases
Evaluation of People With Gastrointestinal Disease
Background: Gastrointestinal diseases and disorders affect the throat, stomach, and intestines. There are many different kinds of these diseases. Clinical trials are being developed to study new ways to treat them.
- Trial name
- NCT01639924
- Where
- United States
- Volunteers
- 2,761 people
- Sponsor
- National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
Preterm Labor, Preterm Birth
Establishment of a Perinatal Database and a Bank of Biological Materials
The aim of this project is to establish a clinical database and a bank of biological materials which will be used to improve the pathophysiologic understanding of the mechanisms underlying various pregnancy diseases.
- Conditions
- Preterm Labor, Preterm Birth, Pregnancy
- Trial name
- NCT00339235
- Where
- United States
- Volunteers
- 30,570 people
- Sponsor
- Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
Puberty
Minipuberty of Infancy and the Timing of Pubertal Development in Adolescence: a Follow-up of the Infant Feeding and Early Development (IFED) Cohort
Background: Earlier puberty is associated with adverse health throughout a person s life. The average age when puberty begins has been declining over the past decades in girls, and may also be declining in boys.
- Trial name
- NCT05463120
- Where
- 2 sites in United States
- Volunteers
- 566 people, healthy volunteers welcome
- Sponsor
- National Institute of Environmental Health Sciences (NIEHS)
Cardiovascular (CV) Risk
Geospatial Analysis of Neighborhood Environmental Stress in Relation to Biological Markers of Cardiovascular Health and Health Behaviors in Women
Background: Heart disease is a leading cause of death in the United States. Healthy diet and exercise improve heart health. Some features of where a person lives can lead to stress and decrease chances for exercise.
- Trial name
- NCT04014348
- Where
- United States
- Volunteers
- 250 people, healthy volunteers welcome
- Sponsor
- National Heart, Lung, and Blood Institute (NHLBI)
ADHD
Genetic Analysis of Attention Deficit Hyperactivity Disorder (ADHD)
Attention Deficit Hyperactivity Disorder (ADHD) is the most common behavioral disorder in childhood, affecting 3-5% of children between the ages of 7 and 17. Family studies suggest that there is a genetic component to ADHD.
- Trial name
- NCT00046059
- Where
- 2 sites in United States
- Volunteers
- 3,481 people
- Sponsor
- National Human Genome Research Institute (NHGRI)
Choroideremia
"Natural History" Study of Choroideremia
The purpose of this study is to understand the rate of progression of all stages of choroideremia using a variety of assessments performed in the clinic including visual field measures, specialized photography of the eye and…
- Trial name
- NCT02994368
- Testing
- Observation
- Where
- 4 sites in United States, Canada
- Volunteers
- 57 people
- Sponsor
- 4D Molecular Therapeutics
Obesity
Mechanisms Underlying Individual Variations of Taste and Smell in Obesity
Background: Changes to the sense of taste or smell can change eating behavior. This may contribute to obesity. Researchers want to see how taste and smell perceptions that affect food choices may differ between people with…
- Trial name
- NCT04714892
- Where
- United States
- Volunteers
- 350 people, healthy volunteers welcome
- Sponsor
- National Institute on Alcohol Abuse and Alcoholism (NIAAA)
Adrenocortical Carcinoma, Adrenocortical Cancer
Natural History Study of Children and Adults With Adrenocortical Cancer (ACC)
Background: Adrenocortical cancer (ACC) is a rare tumor. The prognosis is very poor for people with advanced stages of ACC. Some people may live with ACC for years; others live for just months.
- Trial name
- NCT04447014
- Where
- United States
- Volunteers
- 15 people
- Sponsor
- National Cancer Institute (NCI)
Amyotrophic Lateral Sclerosis
Clinical Research in ALS Study
CRiALS is an umbrella protocol through which people are recruited to participate in a range of research studies being conducted by the ALS Research Collaboration (ARC).
- Trial name
- CRiALS (NCT00136500)
- Where
- United States
- Volunteers
- 10,000 people, healthy volunteers welcome
- Sponsor
- University of Miami
Epilepsy
Study of Specimens Obtained During Epilepsy Surgery
This study will collect brain tissue samples for research purposes from patients undergoing surgery to treat epilepsy. The standard surgical procedure for medically intractable epilepsy i.e., epilepsy that cannot be controlled…
- Trial name
- NCT00025714
- Where
- United States
- Volunteers
- 131 people
- Sponsor
- National Institute of Neurological Disorders and Stroke (NINDS)
Cervical Dystonia, Dystonia
Cholinergic Receptor Imaging in Dystonia
Background: Dystonia is a movement disorder in which a person s muscles contract on their own. This causes different parts of the body to twist or turn. The cause of this movement is unknown.
- Conditions
- Cervical Dystonia, Dystonia, Movement Disorder, Focal Dystonia
- Trial name
- NCT02689466
- Testing
- [18F]FP-TZTP
- Where
- United States
- Volunteers
- 31 people
- Sponsor
- National Institute of Neurological Disorders and Stroke (NINDS)
X-linked Myotubular Myopathy
Myotubular Myopathy Event Study
X-Linked myotubular myopathy (XLMTM), a form of centronuclear myopathy (CNM) is the result of a mutation in the MTM1 (myotubularin) gene which leads to altered myotubularin. Myotubularin is essential for optimum muscle function.
- Trial name
- MTMES (NCT01840657)
- Where
- United States
- Volunteers
- 33 people
- Sponsor
- Cure CMD
Patients With Parkinson's Disease (PD) Caused by the p.Gly2019Ser (G2019S) Pathogenic Mutation of the Leucine-Rich Repeat Kinase 2 (LRRK2) Gene
A Natural History Study of Patients With G2019S LRRK2 Parkinson's Disease
To characterize using a participant centered decentralized (at home) study featuring wearable technology and telemedicine to study disease change over time in patients with PD caused by the G2019S mutation in the LRRK2 gene and…
- Trial name
- NCT05349019
- Testing
- Observational
- Where
- United States
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- Escape Bio, Inc.
Cerebral Vascular Accident (CVA)/Stroke
The Natural History of Recovery After Stroke
The goal of this longitudinal observational study is to learn the course of recovery after stroke. Specifically, in this study we will learn and describe the changes in cognitive, motor and sensory function over time in stroke…
- Trial name
- RESTRO (NCT06441552)
- Testing
- non-interventional
- Where
- 3 sites in Israel, Palestinian Territories
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Adi Negev-Nahalat Eran
Glycogen Storage Disease VI, GLYCOGEN STORAGE DISEASE IXa1
GSD VI and GSD IX Natural History
Collection and review of clinical information related to Glycogen Storage Disease Type VI (GSD VI) OR Glycogen Storage Disease Type IX (GSD IX) generated during clinic visits.
- Conditions
- Glycogen Storage Disease VI, GLYCOGEN STORAGE DISEASE IXa1, GLYCOGEN STORAGE DISEASE IXa2, Glycogen Storage Disease IXB
- Trial name
- NCT04454216
- Testing
- No intervention
- Where
- United States
- Volunteers
- 400 people
- Sponsor
- Duke University
Stuttering
Genetic Linkage Studies of Stuttering
Stuttering is an abnormality in speech that affects the rhythm of speech. People who stutter know what they wish to say, but at the time are unable to say it because of involuntary repetition, unnecessary lengthening…
- Trial name
- NCT00001604
- Where
- 3 sites in United States, Japan and 1 more
- Volunteers
- 3,044 people
- Sponsor
- National Institute on Deafness and Other Communication Disorders (NIDCD)
Age-Related Macular Degeneration
Natural History of Geographic Atrophy Associated With Age-Related Macular Degeneration
Background: Age-related macular degeneration (AMD) affects the macula in the eye. This is the central part of the retina. It is needed for sharp, clear vision and activities like reading and driving.
- Trial name
- NCT02941263
- Where
- United States
- Volunteers
- 20 people
- Sponsor
- National Eye Institute (NEI)
Obesity, Appetite
Study of the Effect of a Very-Low-Carbohydrate Diet on Energy Expenditure
Background: Popular weight loss plans often restrict carbohydrates or fat. Research shows that very-low-carbohydrate (ketogenic) diets lead to greater weight loss than low-fat diets.
- Conditions
- Obesity, Appetite, Healthy Volunteers
- Trial name
- NCT01967563
- Where
- United States
- Volunteers
- 5 people
- Sponsor
- National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
ALSP
Natural History Study in Adult-Onset Leukoencephalopathy With Axonal Spheroids and Pigmented Glia
Adult-onset leukoencephalopathy with axonal spheroids and pigmented glia (ALSP) is a rare, rapidly progressing, genetic, neurodegenerative disease for which no definitive treatment options and limited information on the natural…
- Trial name
- ALSP (NCT05020743)
- Testing
- No intervention
- Where
- 12 sites in United States, Brazil and 4 more
- Volunteers
- 56 people
- Sponsor
- Vigil Neuroscience, Inc.
Developmental Dysphasia, Epileptic Encephalopathy, Childhood-Onset
CNKSR2 Natural History Study
This prospective natural history study is being conducted to define the electroclinical, neurodevelopmental, and behavioral characteristics of CNKSR2 epilepsy aphasia syndrome (EAS) and intellectual disability (ID) in children…
- Conditions
- Developmental Dysphasia, Epileptic Encephalopathy, Childhood-Onset, X-Linked Intellectual Disability
- Trial name
- CNKSR2 (NCT06500260)
- Where
- United States
- Volunteers
- 20 people
- Sponsor
- University of California, San Francisco
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