Clinical trials: Constriction
Spinal Fusion, Spinal Stenosis
Spine Registration Using 3D Scanning
The primary objective is to assess the capability of the device as measured by its consistency, its accuracy, and feedback from surgical staff over the study period.
- Conditions
- Spinal Fusion, Spinal Stenosis, Scoliosis, Spondylolisthesis
- Trial name
- NCT05195580
- Testing
- Optical 3D Scanner
- Where
- United States
- Volunteers
- 2 people, healthy volunteers welcome
- Sponsor
- Advanced Scanners Inc.
Cardiovascular Diseases, Hypertrophic Cardiomyopathy (HCM)
AI-enabled Screening and Diagnosis of Cardiomyopathies Using Coronary CTA
The goal of this observational and diagnostic study is to develop and validate an artificial intelligence assisted approach for coronary computer tomography angiography-(CCTA)-based screening and diagnosis of cardiomyopathies in…
- Conditions
- Cardiovascular Diseases, Hypertrophic Cardiomyopathy (HCM), Dilated Cardiomyopathy (DCM), Restrictive Cardiomyopathy
- Trial name
- Atlantis (NCT06748261)
- Testing
- CCTAI model
- Volunteers
- 5,000 people, healthy volunteers welcome
- Sponsor
- Shanghai Zhongshan Hospital
Maxillary Transversal Deficiency (Maxillary Constriction) and Perioral Muscle Pressures (Tongue, Lip, and Cheek)
Orofacial Muscle Pressure and Maxillary Transverse Development
Study Title: Investigation of the Effects of Tongue, Lip, and Cheek Pressures on the Development of Upper Jaw Narrowness Introduction and Hypothesis The structure of our face and the alignment of our teeth are influenced not only…
- Trial name
- OMPTD (NCT07552441)
- Testing
- Orolingual Manometry using IOPI Pro Deluxe Kit
- Where
- Turkey (Türkiye)
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Yuzuncu Yil University
Larynx Disease, Laryngeal Stenosis
The Effectiveness of Reconstructive Microsurgery on the Clinical and Functional State of Laryngeal Stenosis
To improve diagnostic methods for patients with laryngeal stenosis for the optimal determination of the technique of surgical treatment.
- Trial name
- NCT04734483
- Testing
- spirometry, MRI and CT, Laryngoscopy
- Where
- 2 sites in Kazakhstan, Russia
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Astana Medical 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, Duplication
Defining the Brain Phenotype of Children With Williams Syndrome
Background: Little is known about how the brain changes during childhood and adolescence, how genes affect this process, or how the brains of people with 7q11.23 genetic variation change during this period.
- Trial name
- NCT01132885
- Where
- United States
- Volunteers
- 415 people, healthy volunteers welcome
- Sponsor
- National Institute of Mental Health (NIMH)
Williams Syndrome
Fat Distribution and Glucose Metabolism in Williams Syndrome
Williams Syndrome (WS) is a genetic syndrome with features that may include vascular stenoses, neuro-developmental changes, and a variety of endocrine and metabolic abnormalities, including impaired glucose metabolism and…
- Trial name
- NCT01864304
- Where
- United States
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Massachusetts General Hospital
Healthy, Hypertrophic Cardiomyopathy
Investigation Into the Use of Ultrasound Technique in the Evaluation of Heart Disease
The human heart is divided into four chambers. One of the four chambers, the left ventricle, is the chamber mainly responsible for pumping blood out of the heart into the circulation.
- Conditions
- Healthy, Hypertrophic Cardiomyopathy, Left Ventricular Hypertrophy
- Trial name
- NCT00001632
- Where
- United States
- Volunteers
- 195 people, healthy volunteers welcome
- Sponsor
- National Heart, Lung, and Blood Institute (NHLBI)
Cardiomyopathy, Hypertrophic
The Chinese Hypertrophic Cardiomyopathy Study(CHCS)
Hypertrophic cardiomyopathy (HCM) is one of the most common inherited cardiac diseases, with a prevalence of ∼0.2%. Sudden cardiac death (SCD), heart failure and stroke are the major poor outcomes of HCM.
- Trial name
- CHCS (NCT02696135)
- Where
- China
- Volunteers
- 3,000 people, healthy volunteers welcome
- Sponsor
- China National Center for Cardiovascular Diseases
Rheumatic Heart Disease, Mitral Stenosis
Genetic Susceptibility to Rheumatic Heart Disease in the Pacific Region
The purpose of this study is to investigate whether there are genetic differences between patients with rheumatic heart disease and members of the general population.
- Trial name
- NCT02188862
- Where
- 3 sites in Fiji, New Caledonia and 1 more
- Volunteers
- 2,372 people, healthy volunteers welcome
- Sponsor
- University of Oxford
RAS Mutation, Neurofibromatosis 1
RASopathy Biorepository
The RASopathies are a group of developmental disorders caused by genetic changes in the genes that compose the Ras/mitogen activated protein kinase (MAPK) pathway. New RASopathies are being diagnosed frequently.
- Conditions
- RAS Mutation, Neurofibromatosis 1, Noonan Syndrome, Noonan Syndrome With Multiple Lentigines
- Trial name
- NCT04395495
- Where
- United States
- Volunteers
- 1,000 people, healthy volunteers welcome
- Sponsor
- Children's Hospital Medical Center, Cincinnati
Cardiomyopathy, Dilated, Cardiomyopathy, Hypertrophic
Association of Insulin Resistance and FGF21 on Cardiac Function in Pediatric Dilated Cardiomyopathy
This study will investigate whether there is an association between insulin resistance and cardiac function in children with dilated or hypertrophic cardiomyopathy.
- Conditions
- Cardiomyopathy, Dilated, Cardiomyopathy, Hypertrophic, Insulin Resistance
- Trial name
- NCT04222101
- Testing
- Oral glucose tolerance test
- Where
- United States
- Volunteers
- 9 people, healthy volunteers welcome
- Sponsor
- Le Bonheur Children's Hospital
Degenerative Disc Disease Lumbar, Spinal Stenosis
Multimodal Analgesia Versus Routine Care Pain Management
Most patients undergoing surgery experience significant post-operative pain. Inadequate peri-operative pain management may decrease post-operative mobilization and increase length of hospitalization.
- Conditions
- Degenerative Disc Disease Lumbar, Spinal Stenosis, Lumbar Spondylolisthesis
- Trial name
- MMA (NCT01861743)
- Testing
- Multimodal Analgesia, Patient controlled analgesia
- Where
- United States
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- Rush University Medical Center
Orthodontic Appliance Complication
Intraoral Maxillary Protraction Technique vs Facemask Using Alt-RAMEC Protocol for Treatment Class III Growing Patients
The study compares use of intraoral technique for maxillary advancement and extra oral technique with hep of protocol called Alt-RAMEC which depends on repeated expansion and constriction of maxilla to help in maxillary…
- Trial name
- ALT-RAMEC (NCT05345756)
- Testing
- Intraoral protraction device, Extraoral protraction device
- Where
- Egypt
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- Cairo University
Hypertension, Retinal Artery Stenosis
Exercise, Arterial Modulation and Nutrition in Youth South Africa Study
The ExAMIN Youth SA study aims to generate new knowledge on the pathophysiology involved in early vascular aging among South African children and to identify early novel biological markers for predicting the subclinical…
- Conditions
- Hypertension, Retinal Artery Stenosis, Childhood Obesity
- Trial name
- ExAMIN-Youth (NCT04056377)
- Where
- South Africa
- Volunteers
- 1,065 people, healthy volunteers welcome
- Sponsor
- North-West University, South Africa
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
Urethral Stricture
Role of Uttarbasti in the Management of Mutra Marga Sankoch (Urethral Stricture)
Uttarbasti is per urethral administration of medicated oil which has been recommended by Sushrut for urinary track disorders. As far as conventional surgery is concerned urethral stricture still remains a challenge due to post…
- Trial name
- NCT00535717
- Testing
- uttarbasti (per urethral administration of medicated oil )
- Volunteers
- healthy volunteers welcome
- Sponsor
- Maharashtra University of Health Sciences
Valvular Heart Disease, Treatment Adherence and Compliance
Valvular Heart Disease in Jiangxi Province
Study Title: A real-world study of valvular heart disease in Jiangxi Province Research Objectives: ① Main objectives: To examine the current incidence of valvular heart disease in Jiangxi Province, to establish a "Formal…
- Trial name
- JXVD (NCT05523193)
- Testing
- Formal treatment model
- Where
- China
- Volunteers
- 1,052 people, healthy volunteers welcome
- Sponsor
- Xiao Huang
Ureteral Stricture, Ureteral Obstruction
An Integrated Multi-omics Study on the Molecular Mechanisms of Ureteral Stricture
The goal of this observational study is to investigate the systemic pathogenesis and identify potential diagnostic biomarkers in patients with ureteral stricture and healthy volunteers.
- Conditions
- Ureteral Stricture, Ureteral Obstruction, Microbiome, Metabolomics
- Trial name
- US-MOP (NCT07409870)
- Where
- China
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- First Affiliated Hospital of Chongqing Medical University
Williams-Beuren Syndrome, Micro-duplication 7q11.23 Syndrome
Quantification of Elastin Markers Synthesis in Williams-Beuren Syndrome and 7q11.23 Micro-duplication Syndrome
Introduction: Williams-Beuren syndrome is a rare genetic disorder caused by a 7q11.23 microdeletion. The phenotype associates vasculopathy (arterial stenosis, hypertension), dimorphism and intellectual disability.
- Conditions
- Williams-Beuren Syndrome, Micro-duplication 7q11.23 Syndrome, Vasculopathy
- Trial name
- ELAST7 (NCT04051086)
- Testing
- Physical examination and Urine and blood samples, Urine and blood samples
- Where
- France
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Hospices Civils de Lyon