Clinical trials: Constriction
Carotid Artery Diseases, Carotid Artery Plaque
The Carotid Artery Multi-modality Imaging Prognostic (CAMP) Study
Carotid artery disease is a main cause of ischemic stroke and vascular dementia, and a highly prevalent disease. There is uncertainty about the optimal management of patients with serendipitously or systematically detected…
- Conditions
- Carotid Artery Diseases, Carotid Artery Plaque, Carotid Atherosclerosis
- Trial name
- NCT04679727
- Where
- Italy
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Azienda Ospedaliero, Universitaria Pisana
Lumbar Spinal Stenosis, Cardiac Amyloidosis
Analysis of Lumbar Spine Stenosis Specimens for Identification of Transthyretin Cardiac Amyloidosis
Primary objective: To identify older adults with transthyretin cardiac amyloidosis (ATTR-CA) early in the course of the illness, at a time when disease modifying therapies are most effective.
- Conditions
- Lumbar Spinal Stenosis, Cardiac Amyloidosis, ATTR Amyloidosis Wild Type, ATTR Gene Mutation
- Trial name
- NCT06034405
- Testing
- Tc99-PYP or Tc99-HDMP Scan
- Where
- 6 sites in United States
- Volunteers
- 1,663 people, healthy volunteers welcome
- Sponsor
- Columbia University
Cataract, Vitreous Hemorrhage
Study on Eye-Brain Cross-Organ Mapping and Systemic Disease Association Based on Multimodal Big Data
This project integrates multimodal eye data (CFP, OCT, OCTA) from 50,000 cases, brain MR data from 150,000 cases, and ICD diagnoses, medical orders, and test results from an eye-brain paired cohort of 8,000 cases to construct an…
- Conditions
- Cataract, Vitreous Hemorrhage, Diabetic Eye Diseases, Cerebral Small Vessel Disease
- Trial name
- NCT07541651
- Testing
- No interventions were involved in this study.
- Volunteers
- 208,000 people, healthy volunteers welcome
- Sponsor
- Beijing Friendship Hospital
Williams Syndrome, Lipedema
Williams Syndrome Strength, Hormones, Activity & Adiposity, DNA Programming, Eating Study
Williams syndrome (WS) is a rare microdeletion genetic disorder that has a broad phenotype including many endocrine and metabolic abnormalities. Dr.
- Trial name
- SHAAPE (NCT03758651)
- Where
- United States
- Volunteers
- 144 people, healthy volunteers welcome
- Sponsor
- Massachusetts General Hospital
Low Back Pain, Recurrent, Degenerative Disc Disease
GDS Muscle and Articulation Chain Treatment for Chronic LBP and Spinal Stenosis
Our purpose is to conduct a pilot study to evaluate GDS muscle and articulation chain treatment for inoperable spine patients with degenerative changes in the lumbar spine, compared to "standard treatment" (any other chosen…
- Trial name
- GDS (NCT04436003)
- Testing
- Muscle and articulation chains GDS method
- Where
- Norway
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- The Hospital of Vestfold
Williams Syndrome
Vitamin D Metabolism and the Williams Syndrome
The Williams syndrome is a disease in which supravalvular aortic stenosis, an elfin facies, mental retardation and other congenital defects are sometimes associated with abnormal vitamin D and calcium metabolism.
- Trial name
- NCT00013962
- Testing
- Vitamin D
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- National Center for Research Resources (NCRR)
Lumbar Spinal Stenosis, Lumbar Disc Herniation
Clinical Effect of Preventive Use of Tylenol on Fever After Removal of Drainage Tube in Lumbar Fusion Surgery
This study evaluates the influence of Non-steroidal Anti-inflammatory Drugs on preventing fever after the removal of drainage tube in the patients who suffered lumbar fusion surgery, if the outcome turn out positive, the…
- Conditions
- Lumbar Spinal Stenosis, Lumbar Disc Herniation, Lumbar Radiculopathy
- Trial name
- NCT04042948
- Testing
- Tylenol
- Where
- China
- Volunteers
- 183 people, healthy volunteers welcome
- Sponsor
- Peking University Third Hospital
Aortic Stenosis
Construction and Application Plan of Home Cardiac Rehabilitation for Patients Undergoing TAVR
Cardiac rehabilitation is a long-term process, but patients have poor compliance with cardiac rehabilitation. The theory of behavior change rotation aims to comprehensively intervene from three aspects: ability, opportunity, and…
- Trial name
- NCT06418555
- Testing
- A home rehabilitation program centered on exercise
- Where
- China
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Second Affiliated Hospital, Zhejiang University, School of Medicine
Williams Syndrome, Supravalvular Aortic Stenosis
Impact of Elastin Mediated Vascular Stiffness on End Organs
Background: People with Williams Syndrome (WS) and supravalvular aortic stenosis (SVAS) have less elasticity in their blood vessels. This is called blood vessel stiffness.
- Conditions
- Williams Syndrome, Supravalvular Aortic Stenosis, Cardiovascular Disease
- Trial name
- NCT02840448
- Where
- 2 sites in United States
- Volunteers
- 159 people, healthy volunteers welcome
- Sponsor
- National Heart, Lung, and Blood Institute (NHLBI)
Posterior Crossbite
Evaluation of Rapid Maxillary Expansion Facilitated by Micro-osteoperforation in Adolescent Patients With Skeletal Maxillary Constriction
The aim of this study is to evaluate and compare the effect of rapid maxillary expansion with and without microosteoperforation in patients with skeletal maxillary constriction.Theoretically, the force generated by the activation…
- Trial name
- NCT03772379
- Testing
- tooth borne hyrax expander, microosteoperforation
- Volunteers
- 34 people, healthy volunteers welcome
- Sponsor
- Cairo University
Hypertrophic Cardiomyopathy, Mechanical Hyper-synchronicity
Hyper-synchronicity in Hypertrophic Cardiomyopathy (HCM) : Description, Mechanism and Origin With a Multi-imaging Approach to Predict Dual Chamber Pacing Response
Hypertrophic cardiomyopathy (HCM) is a common genetic cardiovascular disease. Outflow-tract gradient of 30 mmHg or more under resting conditions is an independent determinant of symptoms of progressive heart failure and death.
- Trial name
- HSYNC (NCT02559726)
- Testing
- Echocardiography (TEE), Magnetic resonance imaging (MRI) with gadolinium enhancement, Magnetic resonance imaging (MRI) without gadolinium enhancement
- Where
- France
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- University Hospital, Bordeaux
Spinal Muscular Atrophy, Fragile X Syndrome
Early Check: Expanded Screening in Newborns
Early Check provides voluntary screening of newborns for a selected panel of conditions. The study has three main objectives: 1) develop and implement an approach to identify affected infants, 2) address the impact on infants and…
- Conditions
- Spinal Muscular Atrophy, Fragile X Syndrome, Fragile X - Premutation, Duchenne Muscular Dystrophy
- Trial name
- NCT03655223
- Testing
- Confirmatory Testing
- Where
- United States
- Volunteers
- 30,000 people, healthy volunteers welcome
- Sponsor
- RTI International
Tracheal Stenosis
Challenges and Management of Post-intubation Tracheal Stenosis
Management of a "difficult airway" remains one of the most relevant and challenging tasks for anesthesiologists and pulmonary physicians.
- Trial name
- NCT06061380
- Testing
- no intervation taken
- Where
- Ethiopia
- Volunteers
- 1 people, healthy volunteers welcome
- Sponsor
- Wollo University
Carotid Artery Plaque
99mTc-rhAnnexin V-128 Imaging for Carotid Atherosclerosis
This was a single-center, single-dose, study comprising a Proof of Concept (PoC) part and a subsequent Phase II part. The study was being done to assess the ability of the radiotracer 99mTc-rhAnnexin V-128 to image…
- Trial name
- NCT02667457
- Testing
- 99mTc-rhAnnexin V-128
- Where
- Canada
- Volunteers
- 39 people, healthy volunteers welcome
- Sponsor
- Advanced Accelerator Applications
Hypertrophic Cardiomyopathy
A Trial of HRS-1893 in Healthy Volunteers
The purpose of this study is to assess the safety and PK characteristics of a single oral dose of HRS-1893 in healthy voluunters.
- Trial name
- NCT07033455
- Testing
- HRS-1893
- Where
- Australia
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Atridia Pty Ltd.
Aortic Stenosis, Transthyretin Amyloidosis
Positron Emission Tomography / Magnetic Resonance Imaging in Aortic Stenosis
Aortic stenosis is the most common valve disease requiring surgery in the Western world. It is defined by progressive calcification and fibrosis of the valve leaflets and restricted valve opening.
- Trial name
- PASS (NCT03352089)
- Where
- United Kingdom
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- University of Edinburgh
Stenosis, Histiocytoma
Genetic Study of Patients and Families With Diaphyseal Medullary Stenosis With Malignant Fibrous Histiocytoma of the Bone
OBJECTIVES: I. Identify and characterize the gene causing diaphyseal medullary stenosis with malignant fibrous histiocytoma of the bone. II. Determine the clinical manifestations of this disease in these patients.
- Trial name
- NCT00007046
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- National Center for Research Resources (NCRR)
Gynecologic Cancer
Evaluation of a Brachytherapy Discharge Education Program to Improve Patient Care
Although brachytherapy is an effective treatment modality for gynecological cancer, a significant proportion of patients develop late treatment-related vaginal toxicity, negatively impacting their quality of life and limiting…
- Trial name
- BrachDEP (NCT04707937)
- Testing
- Online education, Regular standard of care education
- Where
- Canada
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- University Health Network, Toronto
Lumbar Spinal Stenosis
Predictors of Decompressive Laminectomy Outcomes
Decompressive laminectomy (DL) is the most common type of back surgery performed in older adults; DL treats lumbar spinal stenosis (LSS), a degenerative narrowing of the spinal canal causes pain and trouble walking.
- Trial name
- NCT02215551
- Where
- 7 sites in United States
- Volunteers
- 239 people, healthy volunteers welcome
- Sponsor
- VA Office of Research and Development
Hypertrophic Cardiomyopathy, Endothelial Dysfunction
Assessment of the Relations Between Endothelial and Venous Dysfunctions and Left Ventricular Obstruction in Genetic Hypertrophic Cardiomyopathies
Left ventricular obstruction is an invalidating complication of hypertrophic cardiomyopathies (HCM), and endothelial dysfunction has also been observed in these pathologies.
- Trial name
- HCM-Vein (NCT04129905)
- Testing
- BNP blood sample test, Electrocardiogram, Holter ECG
- Where
- France
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- University Hospital, Bordeaux