Clinical trials: Natural History
Coronary Atherosclerosis, Coronary Artery Disease
Natural History of Coronary Atherosclerosis in Real-World Stable Chest Pain Patients Underwent Computed Tomography Angiography in Comparison With Invasive Multimodality Imaging
In a prospective international multicenter observational study, 1080 stable chest pain patients (REALITY Advanced registry of CCTA patients) with the suspected chronic coronary syndrome will be enrolled.
- Conditions
- Coronary Atherosclerosis, Coronary Artery Disease, Contrast-induced Nephropathy, Cerebrovascular Disease
- Trial name
- REALITY (NCT02440646)
- Testing
- Coronary computed tomography angiography, Quantitative coronary angiography, intravascular imaging with percutaneous intervention
- Where
- 4 sites in Estonia, Netherlands and 1 more
- Volunteers
- 1,080 people
- Sponsor
- Central Clinical Hospital of the Russian Academy of Sciences
Scorpion Sting Envenomation
Establishment of Natural History of Scorpion Envenomation
This retrospective study was conducted to collect data from approximately 100 patients from 6 months to 18 years of age who were stung by a scorpion but were not treated with antivenom.
- Trial name
- NCT00696683
- Testing
- None, this is an observational study
- Where
- United States
- Volunteers
- 97 people
- Sponsor
- Instituto Bioclon S.A. de C.V.
Neurofibroma, Plexiform, Neurofibromatosis Type I
R115777 to Treat Children With Neurofibromatosis Type 1 and Progressive Plexiform Neurofibromas
This study will examine whether the experimental drug R115777 (Tipifarnib) can shrink or slow the growth of plexiform neurofibromas in children and young adults with neurofibromatosis type 1 (NF1) and determine what side effects…
- Trial name
- NCT00021541
- Testing
- tipifarnib
- Where
- 12 sites in United States, Germany
- Volunteers
- 62 people
- Sponsor
- National Cancer Institute (NCI)
Ebola Virus Disease
PREVAIL VI: Identification of Host Genetic Factors Underlying Ebola Virus Disease Risk, Mortality, Long-term Sequelae, Viral RNA Persistence, Humoral Immunity, and Ebola Vaccine Response
Background: Genes are instructions that tell the body how to work and grow. They can affect how the body responds to infection. Researchers want to learn more about genes that affect how the body responds to the Ebola virus.
- Trial name
- NCT03098862
- Where
- 4 sites in Liberia
- Volunteers
- 4,830 people
- Sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)
Sensorineural Hearing Loss, Hearing Disorder
Genetic Analysis of Hereditary Disorders of Hearing and Balance
This study will try to identify the genetic causes of hereditary hearing loss or balance disorders. People with a hearing or balance disorder that affects more than one family member may be eligible for this study.
- Conditions
- Sensorineural Hearing Loss, Hearing Disorder, Vestibular Disease
- Trial name
- NCT00023049
- Where
- 2 sites in United States, Nigeria
- Volunteers
- 335 people
- Sponsor
- National Institute on Deafness and Other Communication Disorders (NIDCD)
Cardiovascular Disease
Blood Vessel Study
Background: The endothelium is the inner lining of blood vessels. The cells in this lining help regulate blood flow and immune system function.
- Trial name
- NCT01524549
- Where
- United States
- Volunteers
- 178 people
- Sponsor
- National Institute of Environmental Health Sciences (NIEHS)
Wheat Allergy, Child
The Natural History of Wheat Hypersensitivity in Thai Children
Wheat allergy is affected 0.4-1% and is a major staple of the worldwide diet. Wheat avoidance is exceedingly difficult and imposes major dietary restriction.
- Trial name
- NCT01801748
- Testing
- oral wheat challenge
- Where
- Thailand
- Volunteers
- 43 people
- Sponsor
- Mahidol University
Rheumatoid Arthritis, Ankylosing Spondylitis
Frequency and Complications of Major Orthopedic Procedures in Medicare Beneficiaries
Background: Orthopedic procedures are common in the United States. These include joint replacement and spine surgeries. Researchers want to study data about these procedures over time.
- Trial name
- NCT02281747
- Where
- United States
- Volunteers
- 521,292 people
- Sponsor
- National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS)
Peptic Ulcer
Natural History of Non-steroidal Anti-inflammatory Drug and Non-Helicobacter Pylori in Bleeding Peptic Ulcers
The aim of this study is to study the natural history of the ulcer healing while on proton pump inhibitors (PPI) and the ulcer recurrence without acid suppression therapy of Non-steroidal Anti-inflammatory Drugs (NSAID)…
- Trial name
- NCT00153712
- Where
- China
- Volunteers
- 391 people
- Sponsor
- Chinese University of Hong Kong
Cardiovascular Phenotype, Metabolic Phenotype
Implications of Maternal 45,X Mosaicism as a Secondary Genomic Finding Following Cell-Free DNA Sequencing During Pregnancy: A Deep Phenotype Study
Background: Mosaicism is a condition in which cells within the same person have a different genetic makeup. Sometimes, a type of mosaicism called 45,X may not be discovered in a woman until she undergoes routine tests during…
- Conditions
- Cardiovascular Phenotype, Metabolic Phenotype, Hypertensive Disease, Psychological Phenotype
- Trial name
- NCT05548881
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
PTEN Hamartoma Syndrome
Natural History With Focus on Oncological Risk Evaluation in Pediatric Patients With PTEN Pathogenic Variants
This is an observational study in pediatric patientis carryng PTEN pathogenic variants aimed to define oncological risk in children and provide a deeper insight of the clinical course, establishing an updated follow-up protocol.
- Trial name
- PTEN_Ped (NCT06805734)
- Where
- Italy
- Volunteers
- 50 people
- Sponsor
- Fondazione I.R.C.C.S. Istituto Neurologico Carlo Besta
COVID-19
An Observational Study of Neurologic Function After COVID-19 Infection
Background: COVID-19 is an infection caused by a coronavirus. It can affect different parts of the body. For most people, it causes fevers or trouble breathing. Some people can have symptoms long after they recover.
- Trial name
- NCT04564287
- Where
- United States
- Volunteers
- 13 people
- Sponsor
- National Institute of Neurological Disorders and Stroke (NINDS)
Testicular Cancer
Cause of Familial Testicular Cancer
Background: People with a family history of testicular cancer may be at increased risk for the disease. Genetic and clinical studies of patients with testicular cancer and their family members may help clarify the cause of the…
- Trial name
- NCT00034424
- Where
- United States
- Volunteers
- 749 people
- Sponsor
- National Cancer Institute (NCI)
Psoriasis, Psoriatic Arthritis
Study of Psoriatic Arthritis
This study will examine the genetic and immune factors involved in the cause and development of psoriatic arthritis-a disease of both the skin and joints.
- Trial name
- NCT00001420
- Where
- United States
- Volunteers
- 999 people
- Sponsor
- National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS)
Homocystinuria Due to CBS Deficiency
Natural History Study of Homocystinuria Caused by Cystathionine Beta-Synthase Deficiency (ACAPPELLA)
The purpose of the study is to characterize the clinical course of homocystinuria in pediatric and adult patients aged 1 to 65 years under current clinical management practices
- Trial name
- NCT02998710
- Where
- 11 sites in United States, Ireland and 2 more
- Volunteers
- 110 people
- Sponsor
- Travere Therapeutics, Inc.
OPA1 Gene Mutation, Optic Atrophy, Autosomal Dominant
A Longitudinal Natural History Study of OPA1-Associated Autosomal-Dominant Optic Atrophy
This prospective, monocenter, non-interventional observational study investigates the natural history as well as the clinical and genetic spectrum of OPA1-associated autosomal dominant optic atrophy.
- Trial name
- OPA-LONG (NCT07729982)
- Where
- Germany
- Volunteers
- 50 people
- Sponsor
- Ludwig-Maximilians - University of Munich
Plexiform Neurofibromas, NF1
Study of Plexiform Neurofibromas in Neurofibromatosis Type 1
Background: -Plexiform neurofibromas in patients with NF1 are a significant cause of morbidity but little is known about the natural history of these lesions.
- Trial name
- NCT00006435
- Where
- United States
- Volunteers
- 24 people
- Sponsor
- National Cancer Institute (NCI)
Immune Defects
Detection and Characterization of Host Defense Defects
This protocol is designed to evaluate selected patients with documented recurrent or unusual infections and their family members for clinical and laboratory correlates of immune abnormalities.
- Trial name
- NCT00001355
- Where
- United States
- Volunteers
- 3,600 people
- Sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)
Dystrophic Epidermolysis Bullosa
Prospective, Longitudinal Natural History Study in Dystrophic Epidermolysis Bullosa
The objective of this study is to characterize the extent and severity of disease in subjects with DEB and the progression of disease over a timeframe relevant to interventional studies.
- Trial name
- NCT01768026
- Where
- United States
- Sponsor
- Lotus Tissue Repair, Inc.
Rotator Cuff Tear
The Natural History of Asymptomatic Rotator Cuff Tears
The purpose of this project is to provide information which can help us understand what happens over time to rotator cuff tears.
- Trial name
- NCT00923858
- Where
- United States
- Volunteers
- 495 people
- Sponsor
- Washington University School of Medicine
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