Clinical trials: Stenoses, open to volunteers
Liver Transplantation, Liver Transplant; Complications
EBD RCT Trial in Living Donor Liver Transplantation
This study was designed to demonstrate incidence of biliary complication rates after living donor liver transplantation according to the implantation of external biliary drainage throug duct-to-duct anastomosis site.
- Conditions
- Liver Transplantation, Liver Transplant; Complications, Bile Stricture, Bile Leakage From Biliary Anastomosis
- Trial name
- NCT04622540
- Testing
- External biliary drainage
- Where
- South Korea
- Volunteers
- 124 people
- Sponsor
- Seoul National University Hospital
Degenerative Lumbar Spinal Stenosis
Effectiveness and Safety of the Facet Fixation (FFX®) Implant in the Treatment of Degenerative Lumbar Spinal Stenosis
This is a prospective, multicentric, comparative, randomised-controlled study to evaluate the safety and efficacy of the Facet Fixation implant.
- Trial name
- FFX® RCT (NCT06106061)
- Testing
- Decompression + FFX®, Decompression alone
- Volunteers
- 320 people
- Sponsor
- SC Medica
Cervical Stenosis, Disk, Herniated
Recording of Intraoperative Spinal Cord Stimulation and Monitoring
Opioid overdose suppresses brainstem respiratory circuits, causes apnea, and may result in death. Epidural electrical stimulation (EES) at the cervical spinal cord facilitated motor activity in rodents and humans, and we…
- Conditions
- Cervical Stenosis, Disk, Herniated, Spondylosis
- Trial name
- NCT05356286
- Testing
- epidural electrical stimulation
- Where
- United States
- Volunteers
- 150 people
- Sponsor
- University of California, Los Angeles
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)
Intracranial Atherosclerotic Stenosis
Clinical Trial of Biolimus-coated Intracranial Balloon Dilation Catheter
This test took the target lesion restenosis rate 6 months after the operation as the main endpoint to verify the effectiveness of the intracranial balloon expansion catheter of Biolimus coating.
- Trial name
- NCT06140550
- Testing
- Drug balloon dilated, balloon dilated
- Volunteers
- 204 people
- Sponsor
- Bochang
Arteriovenous Fistula, Angioplasty, Balloon
DRug-coAted Balloon Compared With cuttinG balloON in Treatment of Arteriovenous Fistula Stenosis
The purpose of this clinical trial is to compare the efficacy and safety of cutting balloons versus drug-coated balloons in treating venous stenosis of autologous arteriovenous fistulas.The main questions it aims to answer are…
- Conditions
- Arteriovenous Fistula, Angioplasty, Balloon, Hemodialysis Access Failure
- Trial name
- Dragon (NCT06527963)
- Testing
- Endovascular therapy
- Where
- 3 sites in China
- Volunteers
- 180 people
- Sponsor
- RenJi Hospital
Aortic Stenosis, Transthyretin Amyloid Cardiomyopathy
Cardiac Amyloidosis in Patients With Aortic Stenosis
This study intends to conduct a prospective observation to investigate the prevalence of cardiac amyloidosis (CA) in patients with aortic stenosis (AS), compare the clinical characteristics between patients with isolated AS and…
- Trial name
- NCT07170306
- Testing
- transcatheter aortic valve replacement (TAVR)
- Volunteers
- 143 people
- Sponsor
- Shanghai Zhongshan Hospital
Hemodynamics;In-stent Stenosis;Transcranial Doppler;Intracranial Aneurysm;Flow Diverter; Prospective Cohort Study
Hemodynamic Study of In-Stent Stenosis(I) After Flow Diverter(F) Based on 3D-DSA(D) Combined With TCCD(T)
DTFI is a single-center, prospective cohort study aimed at evaluating the hemodynamics of in-stent stenosis after flow diverter implantation, seeking to identify the threshold effect of blood flow in stenosis.
- Trial name
- DTFI (NCT06448949)
- Testing
- Flow Diverter Implantation
- Where
- China
- Volunteers
- 200 people
- Sponsor
- Zhujiang Hospital
Aortic Stenosis, Conduction Disturbances
Systematic Ambulatory ECG Monitoring Following TAVI
This multicenter, prospective, randomized superiority trial will evaluate whether systematic 14-day ambulatory ECG monitoring following hospital discharge after transcatheter aortic valve implantation (TAVI) reduces the risk of…
- Trial name
- RECORDII (NCT07739316)
- Testing
- Ambulatory ECG monitoring
- Where
- Canada
- Volunteers
- 754 people
- Sponsor
- Institut universitaire de cardiologie et de pneumologie de Québec, University Laval
Stenosis Trachea
Cryospray Therapy for Benign Airway Stenosis
This is a clinical evaluation to assess the effectiveness of cryospray therapy used in addition to current standard of care endoscopic therapies in preventing short term recurrent airway stenosis with a multicentric outcome…
- Trial name
- CRYOSTASIS (NCT06085209)
- Testing
- The truFreeze Spray Cryotherapy, Ballon dilation, Radial Incision
- Where
- United States
- Volunteers
- 12 people
- Sponsor
- Virginia Commonwealth University
Heart Valve Diseases, Aortic Valve Stenosis
Korea VHD Echo Study: Surveillance of Aortic, Mitral & Tricuspid Patients - Insights From Real-world Practice
Valvular heart disease (VHD) is a growing public health concern globally, with increasing disease burden and rising interest in advanced treatment strategies such as transcatheter interventions.
- Conditions
- Heart Valve Diseases, Aortic Valve Stenosis, Aortic Valve Insufficiency, Mitral Valve Insufficiency
- Trial name
- NCT07068633
- Where
- 2 sites in South Korea
- Volunteers
- 30,000 people
- Sponsor
- Yonsei University
Liver Transplant; Complications, Bile Duct; Stricture, Postoperative
The Effect of the Type of Conduit-duct Anastomosis Technique on the Postoperative Course in Patients Undergoing Liver Transplantation
The main objective of the trial is to compare the effect of two end-to-end duct-to-duct anastomosis surgical techniques using the continuous suture method versus interrupted method (control group) on reducing the risk of bile…
- Conditions
- Liver Transplant; Complications, Bile Duct; Stricture, Postoperative, Bile Leak, Quality of Life
- Trial name
- NCT06533592
- Testing
- Continous suture technique, Interrupted suture technique
- Where
- Poland
- Volunteers
- 284 people
- Sponsor
- Medical University of Warsaw
Low Back Pain, Neck Pain
Applying Artificial Intelligence in Developing Personalized and Sustainable Healthcare for Spinal Disorders
The primary objective is to use machine learning methods on large survey and health register data to identify participants with different treatment trajectories and health outcomes after surgical and/or conservative treatment for…
- Conditions
- Low Back Pain, Neck Pain, Disc Herniation, Disc Degeneration
- Trial name
- AID-Spine (NCT05745129)
- Where
- Norway
- Volunteers
- 165,000 people
- Sponsor
- Oslo Metropolitan University
Calcification of Aortic Valve, Aortic Valve Stenosis
Effects of Pioglitazone in Calcific Aortic Valve Disease
This is a prospective, randomized, comparative, clinical trial conducted by Wuhan Union Hospital that aims to evaluate the efficacy and safety of pioglitazone compared to placebo in patients with calcific aortic valve disease…
- Trial name
- NCT05875675
- Testing
- Drug: Pioglitazone Oral Tablet
- Volunteers
- 100 people
- Sponsor
- Union Hospital, Tongji Medical College, Huazhong University of Science and Technology
Mitral Annular Calcification, Mitral Stenosis
The MITRAL II Pivotal Trial (Mitral Implantation of TRAnscatheter vaLves).
A prospective multicenter study enrolling high surgical risk patients with severe mitral annular calcification (MAC) and symptomatic mitral valve dysfunction (severe stenosis, ≥ moderate to severe regurgitation, or mixed ≥…
- Conditions
- Mitral Annular Calcification, Mitral Stenosis, Mitral Regurgitation, Mitral Valve Disease
- Trial name
- MITRAL-II (NCT04408430)
- Testing
- Transseptal ViMAC
- Where
- 17 sites in United States, Mexico
- Volunteers
- 210 people
- Sponsor
- Mayra Guerrero
Cervical Stenosis, Degenerative Cervical Spinal Stenosis
Laminoplasty Versus Laminectomy With Lateral Mass Fixation in Management of Degenerative Cervical Canal Stenosis
Cervical canal stenosis (CCS) is a condition characterized by the narrowing of the spinal canal in the cervical spine, leading to compression of the spinal cord and nerve roots.
- Trial name
- NCT07177651
- Testing
- Laminoplasty, Laminectomy with lateral mass fixation
- Volunteers
- 2 people
- Sponsor
- Assiut University
Thoracic Aortic Aneurysm, Thoracic Aortic Dissection
ENDOBARC-S Study: "Endovascular Branched Stent-grafts for Aortic ARCh Pathologies in Spain"
The ENDOBARC-S post-market clinical follow-up study is undertaken to evaluate the prevention of death related to aortic arch pathologies when treated by branch stent graft systems (Nexus stent-graft system®, Relay Branch® or…
- Conditions
- Thoracic Aortic Aneurysm, Thoracic Aortic Dissection, Stent-Graft Endoleak, Stent-Graft Stenosis
- Trial name
- NCT05309707
- Testing
- Endovascular exclusion
- Where
- Spain
- Volunteers
- 100 people
- Sponsor
- Vascular Investigation Network Spanish Society for Angiology and Vascular Surgery
Aortic Valve Stenosis
STS/ACC Transcatheter Valve Therapy Registry (TVT Registry)
The TVT Registry™ is a benchmarking tool developed to track patient safety and real-world outcomes related to the transcatheter aortic valve replacement (TAVR) procedure.
- Trial name
- TVTR (NCT01737528)
- Testing
- Transcatheter Aortic Valve Replacement
- Where
- United States
- Volunteers
- 16,000 people
- Sponsor
- The Society of Thoracic Surgeons
Severe Aortic Stenosis, Valve-in-valve Procedures
A Clinical Trial Assessing the Safety and Effectiveness of the DurAVR® THV System
Prospective, randomized, controlled, multicenter, international study. Up to 1054 subjects with a severe native calcific aortic stenosis who are determined by the local Heart Team to have an indication for Transcatheter Aortic…
- Trial name
- PARADIGM (NCT07194265)
- Testing
- TAVR with DurAVR® THV, TAVR with SAPIEN THV series or the Evolut THV series
- Where
- Denmark
- Volunteers
- 1,650 people
- Sponsor
- Anteris Technologies Ltd.
Severe Mitral Valve Regurgitation, Severe Mitral Valve Stenosis
The Feasibility Study of Polymer Artificial Heart Valve for the Treatment the Mitral Valve Disease.
The study aims to evaluate the feasibility and safety of polymer artificial heart valve designed and developed by Shanghai HeartEpoch Medical technology Co. Ltd. for the treatment of the mitral valve diseases.
- Trial name
- HeartEpoch (NCT07243184)
- Testing
- mitral valve replacement
- Where
- China
- Volunteers
- 10 people
- Sponsor
- Shanghai HeartEpoch Medical Technology Co., Ltd