Clinical trials: Constriction, Pathologic
Acute Pain
Human Experimental Models of Pain (HEMP)
This pilot study will test an innovative way to establish how pain medicines provide analgesia in healthy adults. The study uses a group of short, controlled pain tests to look at different types of pain responses in the body.
- Trial name
- NCT07549490
- Testing
- Naproxen, Pregabalin
- Where
- United States
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- National Center for Complementary and Integrative Health (NCCIH)
Hypertrophic Cardiomyopathy, Hearing Loss
Refining Information Technology Support for Genetics in Medicine
The clinical use of genetic testing is expanding and, as a result, the number of variants identified in patients is growing. Knowledge of the clinical impact of these variants improves over time.
- Conditions
- Hypertrophic Cardiomyopathy, Hearing Loss, Cancer
- Trial name
- RISGIM (NCT01225978)
- Testing
- GeneInsight Clinic (GIC)
- Where
- 9 sites in United States, Canada
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Brigham and Women's Hospital
Liver Transplant; Complications, HLA Antigens
The Relationship Between HLA Tissue Compatibility and Biliary Complications in Patients With Liver Transplantation
Liver transplantation has become the accepted treatment option for advanced liver failure in recent years. In addition to the increase in the number of centers performing transplant and the decrease in complication rates…
- Trial name
- NCT04885582
- Testing
- HLA antigen results
- Where
- Turkey (Türkiye)
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Inonu University
Lumbar Spinal Stenosis, Low Back Pain
Physical Activity in the Elderly Spine Patient
Purpose Physical activity reduces the risk of several diseases of the body and the mind1, 2 and can help the elderly maintain physical abilities and self-efficacy in daily life1.
- Trial name
- PAESP (NCT04079894)
- Testing
- Standard Movement Protocol, Accerelerometer Monitoring
- Where
- Denmark
- Volunteers
- 206 people, healthy volunteers welcome
- Sponsor
- Malin Eleonora av Kák Gustafsson, MD
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
Olfactory Impairment
Olfactory Cleft Stenosis and Obstruction on Paranasal Sinus CT Scan in Pre Septo Rhinoplasty Patients Without Respiratory Mucosa Pathology : Normal Variants or Pathologic Findings ?
This retrospective studed included patients referred to our institution between December 2013 and december 2021 for septoplasty or septorhinoplasty. All patients underwent pre operatory paranasal sinus CT scan and olfactory test.
- Trial name
- NCT06082193
- Where
- 2 sites in France
- Volunteers
- 75 people, healthy volunteers welcome
- Sponsor
- Central Hospital, Nancy, France
Hypertrophic Cardiomyopathy, Acute Coronary Syndrome
Study to Develop a Non-invasive Marker for Monitoring Myocardial Fibrosis
The objective is to determine whether 99Technetium-NC100692 uptake in patients with ACS (MI) can serve as a marker for scar formation as detected by contrast-enhanced MRI during the process of myocardial remodelling after the…
- Trial name
- SCAR (NCT01230918)
- Testing
- 99mTc-NC100692
- Where
- Canada
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Ottawa Heart Institute Research Corporation
Aortic Valve Stenosis
Metabolic Determinants of the Progression of Aortic Stenosis
Calcific aortic stenosis (AS) has become the most common cardiac disease after coronary artery disease and hypertension. Unfortunately no medical therapies have been proven to decrease either the progression of valve stenosis or…
- Trial name
- PROGRESSA (NCT01679431)
- Testing
- Doppler-echocardiography, Computed tomography, Magnetic resonance imaging
- Where
- Canada
- Volunteers
- 250 people, healthy volunteers welcome
- Sponsor
- Laval University
Carotid Artery Plaque, Carotid Web
Atherosclerotic Plaque Characteristics Associated With a Progression Rate of the Plaque in Carotids and a Risk of Stroke
Atherosclerosis is the most common cause of stroke. The aims of the project are to compare the visual and digital analysis of sonographic images of atherosclerotic plaque in carotids in vivo, in vitro and with a histological…
- Trial name
- ANTIQUE (NCT02360137)
- Where
- Czechia
- Volunteers
- 1,863 people, healthy volunteers welcome
- Sponsor
- University Hospital Ostrava
Aortic Stenosis
Role of Active Valvular Calcification and Inflammation in Patients With Aortic Stenosis
The aortic valve is the main outlet valve from the heart. This valve can become diseased and narrowed when it needs to be replaced with an artificial valve.
- Trial name
- NCT01358513
- Where
- United Kingdom
- Volunteers
- 121 people, healthy volunteers welcome
- Sponsor
- University of Edinburgh
Cardiovascular Diseases, Hypertension
Vascular Dysfunction in Hypertensive Postmenopausal Women
The purpose of this study is to investigate the role of ET-1 in mediating vasoconstrictor tone in hypertensive postmenopausal women (PMW) alone and in combination with a commonly prescribed Angiotensin II (ANG II) antagonist.
- Trial name
- NCT03371823
- Testing
- Normotensive, Hypertensives
- Where
- United States
- Volunteers
- 8 people, healthy volunteers welcome
- Sponsor
- University of Delaware
Coronary Disease, Healthy
Study of Blood Flow in Heart Muscle
Blood flows to areas of the heart providing oxygen and fuel to the pumping muscle. Occasionally the arteries providing the fuel can become blocked. This occurs in coronary artery disease.
- Conditions
- Coronary Disease, Healthy, Hypertrophic Cardiomyopathy, Myocardial Ischemia
- Trial name
- NCT00001631
- Testing
- Magnetic resonance imaging
- Where
- United States
- Volunteers
- 249 people, healthy volunteers welcome
- Sponsor
- National Heart, Lung, and Blood Institute (NHLBI)
Degenerative Lumbar Spinal Stenosis, Degenerative Disc Disease
Effect of RECK in Posterior Spinal Fusion
"RECK" is a combination of local anesthesia medications, used for the purpose of pain control. RECK is an acronym which stands for Ropivacaine, Epinephrine, Clonidine, and Ketorolac.
- Conditions
- Degenerative Lumbar Spinal Stenosis, Degenerative Disc Disease, Degenerative Spondylolisthesis, Degenerative Disease
- Trial name
- NCT06447194
- Testing
- Ropivacaine, Epinephrine, Clonidine, and Ketorolac Injection Cocktail
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- University of Maryland, Baltimore
Degenerative Disc Disease, Spondylolisthesis
Clinical Evaluation of GENEX® DS in Instrumented Posterolateral Fusion
The overall goal of this clinical study is to characterize the fusion rate of geneX® ds bone graft substitute in comparison to autograft, which is considered the gold standard for posterolateral fusion.
- Conditions
- Degenerative Disc Disease, Spondylolisthesis, Stenosis
- Trial name
- NCT02317185
- Testing
- genex bone graft with bone graft, autogenous bone graft
- Where
- 2 sites in United States
- Volunteers
- 2 people, healthy volunteers welcome
- Sponsor
- Spine Wave
Endothelial Function
Physiological Assessment of the Endothelium - Circadian Rhythm and Role of the Sympathetic Nervous System
The purpose of this study is to determine whether interventions aimed at increasing sympathetic tone modify endothelial function measures as assessed by the measurement of flow-mediated dilation (FMD) and constriction (FMC).
- Trial name
- PAN (NCT01713374)
- Testing
- Mental stress, no intervention, Myogenic activation
- Where
- Germany
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Johannes Gutenberg University Mainz
Generalized Visual Field Contraction or Constriction
A Study to Determine the Location of the Blind Spot and the Macula-disc Centre Distance on a Fundus Photograph
The study is aimed to develop a new reaction-time based method for examining the visual field and to study the effect of refractive error on the magnification of a fundus photograph in order to evaluate the true size of a retinal…
- Trial name
- NCT01843582
- Where
- Finland
- Volunteers
- 17 people, healthy volunteers welcome
- Sponsor
- Turku University Hospital
Lumbar Disc Herniation, Lumbar Discogenic Pain
Comparing General Anesthesia, General Anesthesia With ESP Block or TLIP Block in Patients Undergoing Lumbar Surgeries
The regional methods of anesthesia for the neurosurgical operations of the spine and spinal cord reducing the needs for opioids intra operatively and reducing pain in the postoperative period, decrease the numbers of failed back…
- Conditions
- Lumbar Disc Herniation, Lumbar Discogenic Pain, Lumbar Spinal Stenosis, Failed Back Surgery Syndrome
- Trial name
- NCT05447780
- Testing
- regional anesthesia
- Where
- Ukraine
- Volunteers
- 450 people, healthy volunteers welcome
- Sponsor
- Anesthesia Research Group UA
Class III Malocclusion, Maxillary Deficiency
Evaluation of Pain and Functional Impairments When Treating Class III Malocclusion Using Two Treatment Procedures
A clinical examination of each recalled candidate patient will be carried out at Adib Al Lahham Centre at the Ministry of Health Damascus to ensure that he/she meets the inclusion criteria.
- Trial name
- NCT06877780
- Testing
- RMR with SME, BAIMT with RME
- Where
- Syria
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Damascus University
Low Back Pain, Leg Pain
Safety and Effectiveness Study of the TOPS System, a Total Posterior Arthroplasty Implant Designed to Alleviate Pain Resulting From Moderate to Severe Lumbar Stenosis
The purpose of this multi-center, randomized, clinical study is to establish the safety and effectiveness of the TOPS™ System, used following decompression, in the treatment of lower back and leg pain with, or without spinal…
- Conditions
- Low Back Pain, Leg Pain, Spondylolisthesis, Lumbar Spinal Stenosis
- Trial name
- NCT00405691
- Testing
- "TOPS System" - Total Posterior Arthroplasty Implant
- Where
- 16 sites in United States
- Volunteers
- 450 people, healthy volunteers welcome
- Sponsor
- Impliant, Ltd.
Coronary Arterial Disease (CAD)
Non-invasive Detection of Coronary Artery Stenosis
The aim of this viability study is to investigate using a novel medical device, the potential for detecting partial blockages in the arteries within the wall of the heart (coronary artery stenosis).
- Trial name
- NIDCAS (NCT06750016)
- Where
- United Kingdom
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Nilocas