Clinical trials: Stenosis
Complication of Transplanted Liver
Donor Specific HLA Alloantibodies in Liver Transplantation
The aim is to evaluate the impact of donor specific HLA alloantibodies (DSA) on all-cause mortality and re-transplantation, early allograft dysfunction, acute and chronic rejection, fibrosis, vascular, and biliary complications.
- Trial name
- NCT02784080
- Testing
- HLA-alloantibodies exposure
- Where
- 5 sites in Denmark, Finland and 2 more
- Volunteers
- 858 people
- Sponsor
- Copenhagen University Hospital, Rigshospitalet
Aortic Valve Insufficiency, Aortic Valve Stenosis
ALLIANCE AVIV: Safety and Effectiveness of the SAPIEN X4 Transcatheter Heart Valve in Failing Aortic Bioprosthetic Valves
The objective of this study is to establish the safety and effectiveness of the Edwards SAPIEN X4/X4S Transcatheter Heart Valve (THV) in subjects who are at high or greater risk with a failing aortic bioprosthetic valve.
- Trial name
- NCT05172973
- Testing
- SAPIEN X4/X4S THV
- Where
- 37 sites in United States, Canada
- Volunteers
- 200 people
- Sponsor
- Edwards Lifesciences
Punctal Stenosis
AS OCT Evaluation for Perforated Punctual Plugs
Evaluation of the perforated punctal plugs after implantation in cases of punctal stenosis regarding position and patency in the early postoperative period (during the first operative weak)
- Trial name
- NCT04624022
- Testing
- Anterior segment optical coherent tomography
- Where
- Egypt
- Volunteers
- 50 people
- Sponsor
- Minia University
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
Recessive Dystrophic Epidermolysis Bullosa, Dysphagia
Treatment of Dysphagia in Patients With Dystrophic Epidermolysis Bullosa With Budesonide: a Retrospective Bicentric Study Nice - Paris St Louis / Necker (EBUDE Study)
Budesonide is an anti-inflammatory medication that works by decreasing the immune system's overreaction. In the treatment of eosinophilic esophagitis, especially with Jorveza or a preparation made in a pharmacy, it reduces the…
- Conditions
- Recessive Dystrophic Epidermolysis Bullosa, Dysphagia, Esophageal Stenosis
- Trial name
- EBUDE (NCT07684105)
- Testing
- The retrospective data collected will be entered into an eCRF and then analyzed centrally
- Where
- 3 sites in France
- Volunteers
- 15 people
- Sponsor
- Centre Hospitalier Universitaire de Nice
Severe Aortic Valve Stenosis
The Use of ACURATE Neo 2 Valve in Patients With Symptomatic Aortic Valve Stenosis
The objective of this study is to evaluate the ACURATE Neo2 in the Middle East population with severe, symptomatic aortic stenosis.
- Trial name
- BSC07 (NCT05847751)
- Testing
- Aortic valve replacement
- Where
- 7 sites in Egypt, Lebanon and 1 more
- Volunteers
- 51 people
- Sponsor
- Ceric Sàrl
Postoperative Pain
Post-operative Outcomes in the Pyloromyotomy Procedure Under Spinal Anesthesia
Infantile hypertrophic pyloric stenosis (HPS) is one of the most common gastrointestinal medical emergencies.This retrospective study will review the files of all infants with HPS, who were treated by open pyloromyotomy under…
- Trial name
- NCT02879292
- Testing
- Spinal anesthesia
- Volunteers
- 92 people
- Sponsor
- Bnai Zion Medical Center
Mitral Prosthetic Valve Stenosis and Regurgitation
Redo Surgery or Transcatheter Valve-in-Valve for Mitral Bioprosthetic Dysfunction (SURViV)
Transcatheter valve-in-valve implantation has emerged as a valid alternative to redo surgery for patients with surgical bioprosthetic dysfunction.
- Trial name
- SURVIV (NCT04402931)
- Testing
- Transcatheter Valve-in-Valve Intervention, Redo Mitral valve surgery
- Where
- 7 sites in Brazil
- Volunteers
- 150 people
- Sponsor
- Instituto Dante Pazzanese de Cardiologia
Pulmonary Valve Insufficiency, Pulmonary Regurgitation
COMPASSION - COngenital Multicenter Trial of Pulmonic VAlve Regurgitation Studying the SAPIEN InterventIONal THV
To assess the safety and effectiveness of pulmonic THV implantation in subjects with dysfunctional RVOT conduit requiring treatment for moderate or severe pulmonary regurgitation (≥3+ pulmonary regurgitation) and/or RVOT conduit…
- Conditions
- Pulmonary Valve Insufficiency, Pulmonary Regurgitation, Dysfunctional RVOT Conduit, Pulmonary Obstruction
- Trial name
- NCT00676689
- Testing
- SAPIEN Transcatheter Valve Implantation
- Where
- 7 sites in United States
- Volunteers
- 81 people
- Sponsor
- Edwards Lifesciences
Crohn's Disease of Both Small and Large Intestine
Ultrasound and Proteomics for Guselkumab Response Assessment in Crohn's Disease (UPGRADE).
The goal of this observational study is to evaluate the response of guselkumab in adult patients with Crohn's disease (CD) as measured on intestinal ultrasound (IUS), the relative quantities of CD64 in endoscopic tissue biopsies…
- Trial name
- UPGRADE (NCT07246460)
- Testing
- Guselkumab Subcutaneous
- Where
- Canada
- Volunteers
- 90 people
- Sponsor
- University of Calgary
Epiphora
Placement of Three Interrupted Sutures After Triangular Three-snip Punctoplasty
a prospective randomized study conducted upon 40 eyes of 24 patients with lower punctual stenosis (grade 1 or 2 according to Kashkouli scale) attending at Menoufia University hospitals and Kafr Elsheikh ophthalmic eye center.
- Trial name
- NCT04680078
- Testing
- Placement of three interrupted sutures after Triangular Three-snip Punctoplasty of the lower punctum, Conventional Triangular Three-snip Punctoplasty of the lower punctum
- Where
- Egypt
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Menoufia University
Multivessel Pulmonary Vein Stenosis
Measurement of Angiogenic Related Growth Factors in Urine and Blood From Patients With Pulmonary Vein Stenosis
Prospective, single center, descriptive study in 14 infants/children with multivessel pulmonary vein stenosis stratified for patients with or without underlying cardiac disease.
- Trial name
- NCT00215059
- Where
- 2 sites in United States
- Volunteers
- 50 people
- Sponsor
- Boston Children's Hospital
Left Bundle-Branch Block, Aortic Stenosis
Study on Heart Block Risks Using Outcome-Based Modeling
This study developed a prediction model for high-grade atrioventricular block (AVB) and complete left bundle branch block (CLBBB) following transcatheter aortic valve replacement (TAVR) in Chinese patients with aortic stenosis…
- Trial name
- SAVIOR (NCT07065123)
- Testing
- The population undergoing TAVR for aortic valve stenosis with outcomes of permanent pacemaker implantation and complete left bundle branch block after surgery
- Volunteers
- 112 people
- Sponsor
- Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University
Aortic Stenosis
Strategies to Prevent Transcatheter Heart Valve Dysfunction in Low Risk Transcatheter Aortic Valve Replacement
100 subjects in the each of the treatment arms of the study (total 200 treatment arm subjects) and up to 100 subjects in the registry arm of the study.
- Trial name
- NCT03557242
- Testing
- TAVR, Warfarin plus Aspirin, Aspirin Only
- Where
- 7 sites in United States
- Volunteers
- 124 people
- Sponsor
- Medstar Health Research Institute
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
Carotid Artery Plaque, Ischemic Stroke
18F FDG and 68Ga FAPI PET/MR Imaging of Carotid Artery Plaque Vulnerability: A Clinical Study in Carotid Artery Plaque Patients
Carotid atherosclerotic plaque rupture is the main cause of ischemic stroke attacks, and early and precise assessment of plaque vulnerability can prevent ischemic stroke.
- Conditions
- Carotid Artery Plaque, Ischemic Stroke, PET / MR
- Trial name
- NCT07004673
- Where
- China
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Ruijin Hospital
Anaplastic Astrocytoma, Anaplastic Ependymoma
SJDAWN: St. Jude Children's Research Hospital Phase 1 Study Evaluating Molecularly-Driven Doublet Therapies for Children and Young Adults With Recurrent Brain Tumors
Approximately 90% of children with malignant brain tumors that have recurred or relapsed after receiving conventional therapy will die of disease.
- Conditions
- Anaplastic Astrocytoma, Anaplastic Ependymoma, Anaplastic Ganglioglioma, Anaplastic Meningioma
- Trial name
- NCT03434262
- Testing
- Gemcitabine, ribociclib, sonidegib
- Where
- United States
- Volunteers
- 68 people
- Sponsor
- St. Jude Children's Research Hospital
Aortic Valve Stenosis, Stroke
Oxygenation of the Cerebrum and Cooling During Transcatheter Aortic Valve Implantation (TAVI) Procedures - Part II
The aim of this study is to assess the possible neuroprotective effects of cooling (targeted cooling of the brain to 33°C) during Transcatheter Aortic Valve Implantation (TAVI) procedures.
- Trial name
- NCT01822964
- Testing
- targeted brain cooling (33°C) by RhinoChill device
- Where
- 2 sites in Belgium
- Volunteers
- 30 people
- Sponsor
- Hasselt University
Patients Undergoing Spine Surgery, Scoliosis
Galeazzi Spine Surgery RegistryGaleazzi Spine Registry: Prospective Study for Clinical Monitoring
The SPINEREG study is a prospective observational registry. Eligible patients are subjects undergoing spine surgery at the participating institutions.
- Conditions
- Patients Undergoing Spine Surgery, Scoliosis, Disc Disease, Disc Injury
- Trial name
- SPINEREG (NCT03644407)
- Testing
- Spine Surgery
- Where
- Italy
- Volunteers
- 10,000 people
- Sponsor
- I.R.C.C.S Ospedale Galeazzi-Sant'Ambrogio
Atherosclerotic Narrowing of the Superficial Femoral Artery, Atherosclerotic Occlusion of the Superficial Femoral Artery
The Safety and Efficacy of Photodynamic Therapy for Femoral Artery Stenosis
Rstenosis is common after angioplasty of atherosclerotic disease of the femoral artery. Pilot study data suggests that adjuvant photodynamic therapy, using delta amino kleavulinic acid as a photosensitiserr is feasible and safe.
- Trial name
- NCT00187811
- Testing
- Delta amino leavulinic acid photodynamic therapy
- Where
- United Kingdom
- Volunteers
- 120 people
- Sponsor
- University College London Hospitals