Study type
Observational Studies
Researchers follow people and record outcomes without assigning a treatment: cohorts, registries, case-control studies.
In numbers
Open to volunteers: recruiting, not yet recruiting or enrolling by invitation. Active adds studies under way that have stopped recruiting.
Open to volunteers
All 26,807Inflammatory Bowel Diseases (IBD), Crohn Disease
Longitudinal Registry of Difficult-to-Treat Inflammatory Bowel Disease
Difficult-to-treat inflammatory bowel disease (DTT-IBD) represents a heterogeneous group of patients with treatment-refractory, structurally complicated, postoperative, perianal, pouch-related, or psychosocially complex disease.
- Conditions
- Inflammatory Bowel Diseases (IBD), Crohn Disease, Colitis, Ulcerative
- Trial name
- DTT-IBD (NCT07877649)
- Testing
- Routine IBD Management and Advanced-Therapy Exposure
- Volunteers
- 2,000 people
- Sponsor
- First Affiliated Hospital, Sun Yat-Sen University
Heart Failure
Multi-Scale Analysis of Phenotypes in Heart Failure (MAP-HEART)
Background: More than 6.5 million people in the United States live with heart failure (HF), and more than a million new cases are diagnosed each year.
- Trial name
- NCT06280820
- Where
- 2 sites in United States
- Volunteers
- 2,000 people
- Sponsor
- National Heart, Lung, and Blood Institute (NHLBI)
Mycobacterium Infections, Tuberculosis, Multidrug-Resistant
Training Protocol on the Natural History of Tuberculosis
Background: Tuberculosis (TB) is an infectious disease that affects numerous people worldwide. Researchers are interested in actively recruiting individuals with TB for research and treatment studies.
- Conditions
- Mycobacterium Infections, Tuberculosis, Multidrug-Resistant, Latent Tuberculosis, Tuberculosis
- Trial name
- NCT01212003
- Where
- United States
- Volunteers
- 150 people
- Sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)
Unruptured Intracranial Aneurysm, Intracranial Aneurysm Rupture
Prospective Observational Cohort Study for Predicting Unruptured Intracranial Aneurysm Rupture Risk Using Blood Pressure Variability and 3D Structural Evolution
This is a single-center, prospective, longitudinal observational cohort study in adults with unruptured intracranial aneurysms (UIAs) who are managed by conservative observation rather than immediate surgery or endovascular…
- Trial name
- NCT07893574
- Where
- China
- Volunteers
- 2,000 people
- Sponsor
- Beijing Tiantan Hospital
Melanoma
Community Based Strategies for Early Detection of Melanoma
The purpose of this study is to pilot the use of community education and digital dermatology to increase the early detection of curable melanomas.
- Trial name
- NCT04799106
- Testing
- Community Based Strategies for Early Detection of Melanoma
- Where
- United States
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Cedars-Sinai Medical Center
Inherited Eye Disease
Clinical and Molecular Studies in Families With Inherited Eye Disease
Background: Genes are the basic units of heredity. When genes are changed, certain cells don t work like they should. Researchers want to try to better understand the genetic conditions that are linked with inherited eye…
- Trial name
- NCT02771236
- Where
- 10 sites in United States, China and 6 more
- Volunteers
- 5,000 people
- Sponsor
- National Eye Institute (NEI)
Shoulder Injuries and Disorders, Elbow Injuries and Disorders
Cross-Cultural Adaptation, Validity, and Reliability of the Functional Arm Scale for Throwers (FAST) in Throwing Athletes
The Functional Arm Scale for Throwers (FAST) is a patient-reported outcome measure that assesses upper extremity function in overhead throwing athletes.
- Conditions
- Shoulder Injuries and Disorders, Elbow Injuries and Disorders, Athletic Injuries
- Trial name
- NCT07893899
- Where
- Turkey (Türkiye)
- Volunteers
- 217 people, healthy volunteers welcome
- Sponsor
- Elif Turgut
Lung Cancer
Label-free Femtosecond Laser Imaging Combined With the Fast Lung Artificial Intelligence Model for Rapid Intraoperative Diagnosis of Lung Surgical Specimens: A Multicentre, Prospective, Parallel-workflow, Non-inferiority Study.
This study aims to evaluate whether femtosecond laser imaging combined with FastLung AI model can provide intraoperative diagnostic performance that is non-inferior to standard frozen section diagnosis for pulmonary nodules or…
- Trial name
- NCT07681245
- Testing
- Femtosecond Laser Imaging, Frozen Section Diagnosis
- Where
- 5 sites in China
- Volunteers
- 294 people
- Sponsor
- Shanghai Chest Hospital
Transplant Associated Microangiopathy TAM, Transplant Complication
Assessing the Incidence of Transplant Associated Thrombotic Microangiopathy (TA-TMA) in Adult Patients Undergoing Allogeneic Stem Cell Transplant (SCT)
The goal of this observational study is to learn about the incidence of Transplant Associated Thrombotich Microangiopathy (TA-TMA), which is a known but underreported complication of Allogeneic Stem Cell Transplant (SCT).
- Trial name
- NCT07381205
- Where
- United States
- Volunteers
- 85 people
- Sponsor
- Manuel Ricardo Espinoza-Gutarra
Charcot Marie Tooth Disease
Natural History Evaluation of Charcot Marie Tooth Disease (CMT) Types CMT1B, CMT2A, CMT4A, CMT4C, and Others
This is an observational longitudinal study to determine the natural history and genotype-phenotype correlations of disease causing mutations in Charcot Marie Tooth disease (CMT) type 1B (CMT1B), 2A (CMT2A), 4A (CMT4A), and 4C…
- Trial name
- INC-6601 (NCT01193075)
- Where
- 24 sites in United States, Australia and 4 more
- Volunteers
- 5,000 people, healthy volunteers welcome
- Sponsor
- Michael Shy
Completed, with results posted
All 4,401Psychological, Sexual Dysfunction
The Impact of Chronic Adolescent Skin Conditions on Sexual Health
Background: Skin conditions are common in young people and are known to adversely affect emotional well-being and quality of life in a range of ways, including negative impact on intimate relationships.
- Conditions
- Psychological, Sexual Dysfunction, Adolescent Development, Interaction, Social
- Trial name
- NCT06397664
- Where
- United Kingdom
- Volunteers
- 91 people
- Sponsor
- Oxford University Hospitals NHS Trust
Femoral Arteriotomy Closure
Prospective Clinical Registry Evaluating Contemporary MANTA Outcomes
This is an observational study designed to evaluate the safety and clinical outcomes of the MANTA® Vascular Closure Device (VCD) (the MANTA® Device) in TAVR procedures.
- Trial name
- ACCESS MANTA (NCT05936996)
- Testing
- MANTA Vascular Closure Device
- Where
- 10 sites in United States, Canada
- Volunteers
- 258 people
- Sponsor
- Essential Medical, Inc.
Opioid-Related Disorders, NAS
MOms in REcovery (MORE) Study: Defining Optimal Care
Northern New England has among the highest rates of opioid dependence in the U.S. This region also has among the highest rates of opioid-related deaths in the U.S., with a disproportionate high rate among pregnant women with…
- Conditions
- Opioid-Related Disorders, NAS, Substance Use Disorders, Mental Health
- Trial name
- MORE (NCT04251208)
- Testing
- Observational Study
- Where
- 10 sites in United States
- Volunteers
- 2,510 people
- Sponsor
- Trustees of Dartmouth College
Peripheral Arterial Disease
Observational Study to Assess Transradial Access for Treatment in the Lower Extremities.
This study is designed to collect data on the complication rates and procedural success of using a transradial access approach to treat peripheral lesions in the lower extremities of a real world population.
- Trial name
- R2P Registry (NCT04371861)
- Testing
- Peripheral Artery Treatment
- Where
- 8 sites in United States
- Volunteers
- 120 people
- Sponsor
- Terumo Medical Corporation
Degenerative Disc Disease, Spondylolisthesis
The European Robotic Spinal Instrumentation (EUROSPIN) Study
In a multinational prospective study, preoperative, intraoperative, perioperative and follow-up data on patients receiving thoracolumbar pedicle screw placement for degenerative disease or infections or tumors will be collected.
- Conditions
- Degenerative Disc Disease, Spondylolisthesis, Spinal Stenosis, Recurrent Disc Herniation
- Trial name
- EUROSPIN (NCT03398915)
- Testing
- Transpedicular Instrumentation
- Where
- 12 sites in Austria, France and 5 more
- Volunteers
- 932 people
- Sponsor
- Marc Schröder