Clinical trials: Natural History
Diabetes Mellitus, Hepatitis C, Chronic
People With CHC Who Achieved a Sustained Virological Response Following Therapy With Direct Acting Antiviral Agents
Background: Chronic hepatitis C infects the liver. It may scar the liver. This is called cirrhosis and may lead to liver cancer or death. Current chronic hepatitis C treatments cure most people.
- Conditions
- Diabetes Mellitus, Hepatitis C, Chronic, Cardiovascular Diseases
- Trial name
- NCT03520660
- Testing
- Epclusa
- Where
- United States
- Volunteers
- 121 people
- Sponsor
- National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
Angelman Syndrome
Angelman Syndrome Natural History Study
The goal of this study is to conduct a prospective, longitudinal natural history study of children and adults with Angelman Syndrome using investigator-observed and parent-reported outcome measures to obtain data that will be…
- Trial name
- NCT04507997
- Where
- 11 sites in United States, Canada
- Volunteers
- 300 people
- Sponsor
- Boston Children's Hospital
Multiple System Atrophy, Parkinson's Disease
Prospective Multicenter Registry Study of Multiple System Atrophy in China
Multiple system atrophy is a rare, rapidly progressive neurodegenerative disease characterized by variable combinations of parkinsonism, cerebellar ataxia, and autonomic dysfunction.
- Conditions
- Multiple System Atrophy, Parkinson's Disease, Atypical Parkinsonism
- Trial name
- MSA Registry S (NCT07644013)
- Where
- China
- Volunteers
- 214 people, healthy volunteers welcome
- Sponsor
- Peking University First Hospital
Merosin Deficient Congenital Muscular Dystrophy
Natural History Study of Children With LAMA2-related Dystrophies
The goal of this natural history study is to characterize the disease course, characteristics in paediatric population of LAMA2-RD (related dystrophies) patients.
- Trial name
- LAMA2 (NCT06354790)
- Testing
- Motor evaluations, Cognitive assessment, Pulmonary function test
- Where
- 4 sites in France
- Volunteers
- 40 people
- Sponsor
- Institut de Myologie, France
Methylmalonic Acidemia, Propionic Acidemia
Natural History Study of Patients With Methylmalonic Acidemia and Propionic Acidemia
The JUMP (Journey to Understand MMA and PA) Study is being conducted by HemoShear Therapeutics and AllStripes, a rare disease online research platform.
- Trial name
- JUMP (NCT05438485)
- Testing
- Registry
- Where
- 3 sites in United States, Canada and 1 more
- Volunteers
- 11 people
- Sponsor
- HemoShear Therapeutics
Seizures, Epilepsy
Investigating Epilepsy: Screening and Evaluation
Background: Epilepsy affects about 1 percent of the U.S. population. Most people with epilepsy respond well to medicine, but some do not.
- Conditions
- Seizures, Epilepsy, Epilepsy, Temporal Lobe, Partial Epilepsy
- Trial name
- NCT03478852
- Where
- United States
- Volunteers
- 1,000 people
- Sponsor
- National Institute of Neurological Disorders and Stroke (NINDS)
Atrial Fibrillation, Epidemiology
Natural History and Patient Journey in Atrial Fibrillation: a Nationwide Linked Electronic Health Records Study of 5.6 Million Individuals.
The trajectory of atrial fibrillation (AF) patients within the national health system and their recent temporal trends remains to be fully elucidated.
- Trial name
- NCT04786366
- Testing
- The study does not have an intervention, but observe the AF incidence of the UK disease-free population
- Volunteers
- 5,601,803 people
- Sponsor
- University College, London
Generalized Arterial Calcification of Infancy, Autosomal Recessive Hypophosphatemic Rickets Type2
Study of People With Generalized Arterial Calcification of Infancy (GACI) or Autosomal Recessive Hypophosphatemic Rickets Type 2 (ARHR2)
Background: Generalized Arterial Calcification of Infancy (GACI) is a very rare disorder. It can be fatal before birth or by age 6 months. Anumber of people with GACI survive into adulthood.
- Trial name
- NCT03478839
- Where
- United States
- Volunteers
- 48 people
- Sponsor
- National Human Genome Research Institute (NHGRI)
Pregnancy, Preterm Labor
Biomarkers in Obstetrical Complications
Objective: To study the natural history of normal pregnancy and the most frequent pregnancy complications responsible for the excessive rate of perinatal morbidity and mortality, in order to develop models to predict the…
- Conditions
- Pregnancy, Preterm Labor, Maternal Fetal Factors, Preterm Birth
- Trial name
- NCT03480139
- Where
- United States
- Volunteers
- 746 people
- Sponsor
- Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
Lymphatic Diseases, Lymphatic Abnormalities
A Prospective Natural History Study of Lymphatic Anomalies
Background: The lymphatic system is a network of vessels that carry a clear fluid called lymph through the body. Problems in the lymphatic system can cause pain, fluid buildup, and issues with immunity.
- Trial name
- NCT05731141
- Where
- 2 sites in United States
- Volunteers
- 1,200 people, healthy volunteers welcome
- Sponsor
- Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
Influenza Immunity
Natural History of Systemic and Nasal Mucosal Immunity After Influenza Vaccination in a Pediatric Population
Background: The influenza (flu) virus infects millions around the world every year. Children are at increased risk of complications from the flu. The flu vaccine protects against influenza, but the vaccine can be improved.
- Trial name
- NCT04963166
- Where
- United States
- Volunteers
- 65 people
- Sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)
Interstitial Lung Disease, Idiopathic Pulmonary Fibrosis
University of Virginia Natural History Study
Data and specimens will be collected longitudinally from patients seen in the UVA Interstitial Lung Disease (ILD) clinic in order to describe the phenotypic expression of various interstitial lung diseases.
- Conditions
- Interstitial Lung Disease, Idiopathic Pulmonary Fibrosis, Sarcoidosis, Connective Tissue Diseases
- Trial name
- NCT04896138
- Testing
- Interstitial Lung Disease
- Where
- United States
- Volunteers
- 2,500 people, healthy volunteers welcome
- Sponsor
- University of Virginia
POMC Deficiency Obesity, PCSK1 Deficiency Obesity
An Observational,Prospective Natural History Study of Early-Onset Extreme Obesity Due to Bi-Allelic Loss-of-Function Mutations in the POMC, PCSK1 or LEPR Genes
This is an observational study. There are no protocol-defined visits, although patients are expected to have routine office visits approximately every 6 months.
- Conditions
- POMC Deficiency Obesity, PCSK1 Deficiency Obesity, LEPR Deficiency Obesity
- Trial name
- NHS (NCT03621007)
- Where
- 3 sites in Turkey (Türkiye)
- Volunteers
- 8 people
- Sponsor
- Rhythm Pharmaceuticals, Inc.
BK Virus (BKV) Viremia
BK Virus Infection (Viremia) Natural History in Renal Transplant Recipients
The objectives of this study is to establish the natural history of BK virus viremia and other possible opportunistic viral pathogens in renal transplants recipients.
- Trial name
- NCT01782209
- Where
- 6 sites in United States
- Volunteers
- 335 people
- Sponsor
- University of Alabama at Birmingham
Pediatric Cancers, Hematologic Malignancies
Follow-Up Evaluation for Gene-Therapy-Related Delayed Adverse Events After Participation in Pediatric Oncology Branch Clinical Trials
Background: Gene therapy involves changing the genes inside the body s cells to stop disease. It is very closely regulated. People who have had this therapy may have problems months or even years later.
- Conditions
- Pediatric Cancers, Hematologic Malignancies, Solid Tumors
- Trial name
- NCT02315599
- Testing
- anti-CD19 CAR
- Where
- United States
- Volunteers
- 500 people
- Sponsor
- National Cancer Institute (NCI)
Stigma, Activity Space
Health Outcomes by Neighborhood - Baltimore
Background: Researchers have been studying patterns of mood and drug use in specific neighborhoods. This study will look at environmental factors that may affect drug use, addiction, and treatment seeking in Baltimore…
- Conditions
- Stigma, Activity Space, Social Networks, HIV Status
- Trial name
- NCT01571752
- Where
- United States
- Volunteers
- 1,651 people, healthy volunteers welcome
- Sponsor
- National Institute on Drug Abuse (NIDA)
Obesity, Normal Physiology
The Effects of Increasing Caloric Intake on Diet-Induced Thermogenesis and 24h Energy Expenditure
Background: Diet-induced thermogenesis (DIT) is the amount of energy one's body uses to eat food, absorb the nutrients from the food, and process those nutrients.
- Conditions
- Obesity, Normal Physiology, Healthy Volunteers
- Trial name
- NCT05545306
- Testing
- +200% of dietary requirements, 50% of calories from carbohydrates, 20% from protein, and 30% from fat, fasting, -50% of energy balance requirements. 50% of calories from carbohydrates, 20% from protein, and 30% from fat
- Where
- United States
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
Glioblastoma Multiforme
Collection of Blood and Urine Samples in Patients Receiving Radiation Therapy for Glioblastoma Multiforme
This study will collect blood and urine samples from patients undergoing radiation therapy for glioblastoma multiforme (a type of brain tumor) to investigate the effects of this treatment on blood cells and certain proteins.
- Trial name
- NCT00083512
- Where
- United States
- Volunteers
- 200 people
- Sponsor
- National Cancer Institute (NCI)
Central Core Disease, Multi-Minicore Disease
The Natural History and Muscle Fatigability of Patients With Congenital Myopathies.
Core myopathies (CCD/MmD), nemaline myopathies (NEM) and centronuclear myopathies (CNM) are three types of rare congenital myopathies.
- Conditions
- Central Core Disease, Multi-Minicore Disease, Nemaline Myopathy, Centronuclear Myopathy
- Trial name
- READYCOM (NCT06157268)
- Testing
- Natural history and non therapeutical therapy
- Where
- 2 sites in Netherlands
- Volunteers
- 100 people
- Sponsor
- Radboud University Medical Center
Rett Syndrome
Independent Studies of Dextromethorphan and of Donepezil Hydrochloride for Rett Syndrome
Rett syndrome (RTT) is a disorder in which the nervous system does not develop properly. RTT generally affects girls, but there are some boys who have been diagnosed with RTT.
- Trial name
- NCT00069550
- Testing
- dextromethorphan, donepezil hydrochloride
- Where
- United States
- Volunteers
- 90 people
- Sponsor
- Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
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