Clinical trials: Stricture
Pulmonary Artery Stenosis
Cutting Balloon Study
The primary objective of this study is to evaluate the safety and efficacy of transcatheter Cutting Balloon therapy for branch pulmonary artery stenosis resistant to low pressure dilation.
- Trial name
- CB (NCT01205568)
- Testing
- Transcatheter Cutting Balloon therapy, High Pressure Balloon Angioplasty
- Where
- 6 sites in United States
- Volunteers
- 73 people
- Sponsor
- Boston Children's Hospital
Hypertrophic Cardiomyopathy (HCM)
One-stop Evaluation of Hypertrophic Cardiomyopathy in Cardiac Magnetic Resonance
This is a multi-center, observational study aiming to establish a precision diagnosis scheme and multi-dimensional risk prediction models for Hypertrophic Cardiomyopathy (HCM). The study plans to enroll 10000 adult HCM patients.
- Trial name
- NCT07336290
- Volunteers
- 10,000 people
- Sponsor
- Minjie Lu
Cardiovascular Disease
The Perceived Impact of Children s Risk Status for Hypertrophic Cardiomyopathy on Families: an Exploratory Study
This study proposes to describe how children s hypertrophic cardiomyopathy (HCM) risk status affects family functioning, behaviors, and relationships. HCM is the most common inherited cardiovascular single-gene disorder.
- Trial name
- NCT01160536
- Where
- United States
- Volunteers
- 47 people
- Sponsor
- National Human Genome Research Institute (NHGRI)
Pelvi Ureteric Junction Obstruction or Ureteral Stricture
Buccal Mucosal Graft for the Repair of Iatrogenic Pelviureteric Junction Obstruction or Ureteric Stricture.
Prospective study to evaluate the safety and efficacy of using buccal mucosal graft for repairing complex cases of iatrogenic pelvi ureteric junction obstruction and long segment ureteric stricture disease.
- Trial name
- NCT04503330
- Testing
- buccal mucosal graft to repair iatrogenic PUJO
- Volunteers
- 20 people
- Sponsor
- Cairo University
Aortic Valve Stenosis
The SAPIEN 3 Ultra System in Intermediate Risk Patients With Symptomatic, Severe Aortic Stenosis
This study will confirm the procedural safety and performance of the SAPIEN 3 Ultra System in subjects with severe, calcific AS who are at intermediate operative risk for standard aortic valve replacement.
- Trial name
- NCT03471065
- Testing
- SAPIEN 3 Ultra Delivery System with the SAPIEN 3 Ultra THV
- Where
- 6 sites in Canada, United Kingdom
- Volunteers
- 100 people
- Sponsor
- Edwards Lifesciences
Aortic Stenosis
Safety and Efficacy Study of Lotus Valve for Transcatheter Aortic Valve Replacement
The objective of this study is to evaluate the safety and effectiveness of the Lotus™ Valve System and LOTUS Edge™ Valve System for transcatheter aortic valve replacement (TAVR) in symptomatic subjects with calcific, severe…
- Trial name
- REPRISE III (NCT02202434)
- Testing
- Lotus Valve System, CoreValve/Evolut R Transcatheter Aortic Valve Replacement System, LOTUS Edge Valve System
- Where
- 58 sites in United States, Australia and 4 more
- Volunteers
- 1,425 people
- Sponsor
- Boston Scientific Corporation
Degenerative Disc Disease in Cervical Spine, Stenosis Cervical Spine
PMCF Study Fortilink-SC
This study is setup to be able to gather information on the safety and performance of the Fortilink-SC Ti cage of Paradigm Spine GmbH, up to one year after the surgery.
- Trial name
- NCT07834749
- Testing
- Cervical interbody fusion surgery (standalone)
- Where
- 2 sites in Spain
- Volunteers
- 50 people
- Sponsor
- BAAT Medical Products B.V.
Esophageal Atresia, Anastomotic Stenosis
Oral Viscous Budesonide in Anastomotic Stricture After Esophageal Atresia Repair (OVB in EA)
The aim of this study is to perform a multicentre, prospective, randomized, placebo controlled, double-blinded study to demonstrate the potential and beneficial effects of OVB in the prevention of recurrence of anastomotic…
- Trial name
- OVB in EA (NCT03999008)
- Testing
- Budesonide Oral
- Volunteers
- 60 people
- Sponsor
- St. Justine's Hospital
Hepatic Artery Thrombosis, Hepatic Artery Stenosis
Hepatic Artery Stenosis and Thrombosis After Liver Transplantation in Children
The goal of this observational study is to investigate the incidence, current management practices, and outcomes in pediatric patients with HAC after liver transplantation.
- Conditions
- Hepatic Artery Thrombosis, Hepatic Artery Stenosis, Pediatric ALL, Liver Transplant; Complications
- Trial name
- HEPATIC (NCT05818644)
- Where
- Netherlands
- Volunteers
- 583 people
- Sponsor
- University Medical Center Groningen
Cardiovascular Abnormalities
Novel Echocardiographic and Invasive Haemodynamic Measurements in the Assessment of Patients Low Flow Low Gradient Aortic Stenosis Undergoing TAVI
In this study the investigators will assess a variety of novel markers of heart strength (contractility) and assess whether they can give a clearer indication of how well patients with weak hearts respond to the TAVI procedure.
- Trial name
- LFLG (NCT05196815)
- Testing
- Ultrasound, Catheters, Soft study wire
- Where
- United Kingdom
- Volunteers
- 7 people
- Sponsor
- The Royal Wolverhampton Hospitals NHS Trust
Carotid Artery Diseases, Stroke
Boston Scientific Embolic Protection, Inc. (EPI): A Carotid Stenting Trial for High-Risk Surgical Patients (BEACH)
The purpose of this study is to determine whether morbidity and mortality for high-risk surgical patients treated with the Carotid Wallstent in conjunction with the FilterWire EX and EZ System distal protection device will be…
- Conditions
- Carotid Artery Diseases, Stroke, Cerebral Arteriosclerosis
- Trial name
- BEACH (NCT00316108)
- Testing
- WALLSTENT® Endoprosthesis™
- Where
- 50 sites in United States
- Volunteers
- 747 people
- Sponsor
- Boston Scientific Corporation
Stroke, TIA
A New Oxygen Mask for Carotid Endarterectomy Under Local Anaesthesia
The purpose of this study is to determine the effectiveness of oxygenation and patient-acceptability of a novel oxygen face mask in patients undergoing carotid endarterectomies (CEAs).
- Conditions
- Stroke, TIA, Surgery, Anaesthesia
- Trial name
- NCT01064908
- Testing
- OxyMask
- Where
- United Kingdom
- Volunteers
- 25 people
- Sponsor
- Brighton and Sussex University Hospitals NHS Trust
Internal Carotid Artery Stenosis
MICHI™ Neuroprotection System (NPS+f) Filter Debris Analysis Study (The F-1 Study)
This study will be conducted in up to 10 hospitals in Europe, up to 75 patients will be enrolled. The purpose of the study is to evaluate any debris that may be captured in the inline filter of the MICHI(TM) Neuroprotection…
- Trial name
- NCT01877174
- Testing
- MICHI(TM) NPS+f, transcarotid stenting
- Where
- 6 sites in Belgium, Germany and 1 more
- Volunteers
- 24 people
- Sponsor
- Silk Road Medical
Hypertrophic Cardiomyopathy (HCM), Heart Failure
Retrospective Natural History Study of RASopathy-associated Cardiomyopathy (RAS-CM)
RASopathy-associated hypertrophic cardiomyopathy (RAS-CM) is a disease with high morbidity and high mortality if presenting during infancy.
- Conditions
- Hypertrophic Cardiomyopathy (HCM), Heart Failure, RASopathy
- Trial name
- RAS-CM (NCT07344480)
- Testing
- Retrospective data collection
- Where
- Germany
- Volunteers
- 100 people
- Sponsor
- Deutsches Herzzentrum Muenchen
Mitral Stenosis
Impact of Percutaneous Transvenous Mitral Commissurotomy on The Left Atrial Appendage Function in Patients With Mitral Stenosis.
Evaluation of the effect of PTMC on LAA function by TEE at least one month after the procedure and its effectiveness in prevention of thrombi formation and cerebrovascular complications.
- Trial name
- NCT06340997
- Testing
- Transesophageal echocardiography
- Volunteers
- 25 people
- Sponsor
- Assiut University
Urethral Stricture
Factors Predicting Urethral Stricture Recurrence After Dorsal Onlay Augmented, Buccal Mucosal Graft Urethroplasty
In this observational study, the investigators will evaluate potential risk factors associated with urethral stricture recurrence after augmentation anterior urethroplasty using dorsal onlay buccal mucosal Graft during the past…
- Trial name
- NCT04357080
- Testing
- Urethroplasty
- Where
- Egypt
- Volunteers
- 266 people
- Sponsor
- Al-Azhar University
Aortic Valve Stenosis
Sentinel Low Risk Registry
This registry is designed to quantify embolic debris capture rate in patients at low surgical risk treated with the Sentinel System during TAVI.
- Trial name
- NCT04131127
- Testing
- Sentinel Device
- Where
- 4 sites in United States
- Volunteers
- 50 people
- Sponsor
- CVPath Institute Inc.
Subglottic Stenosis (SGS)
Coblation Assisted Dilatation Versus Modified Maddern Procedure in Subglottic and Cervical Tracheal Stenosis
This study compares the effectiveness of Coblation-assisted endoscopic airway dilatation with the modified Maddern procedure-which involves endoscopic excision of scar tissue followed by buccal mucosal grafting-in patients with…
- Trial name
- NCT07303673
- Testing
- Coblation-assisted dilatation, Modified Maddern procedure
- Where
- Egypt
- Volunteers
- 30 people
- Sponsor
- Mansoura University
Aortic Valve Stenosis, Coronary Artery Disease
Severe Aortic Valve Stenosis and Concomitant Coronary Artery Disease in Patients Undergoing TAVI
Patients undergoing surgical aortic valve replacement (sAVR) with concomitant coronary artery disease (CAD) are known to have higher mortality rates compared to patients without CAD.
- Trial name
- NCT04385459
- Testing
- Coronary artery disease
- Where
- Sweden
- Volunteers
- 346 people
- Sponsor
- Örebro County Council
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