Clinical trials: Constriction, Pathologic, open to volunteers
End Stage Renal Disease
Blood Flow Conditions and Sounds in AVFs
This is a prospective non-pharmacological interventional study aimed at investigating the relationship between the blood flow condition and the arteriovenous fistula (AVF) sound, with the ultimate aim of predicting the AVF…
- Trial name
- APOLLO (NCT06411353)
- Testing
- MRI acquisition, US examination
- Where
- Italy
- Volunteers
- 15 people
- Sponsor
- Mario Negri Institute for Pharmacological Research
Pupillary Constriction, Accomodation
Adjusted Study Protocol: Within-Subject Paired-Eye Design Comparing Pilocarpine 0.1%, Phentolamine 0.75%, and Combination Therapy for Cyclopentolate Reversal in Children
The study aims at reversing pupillary dilatation. and cycloplegia in children undergoing cycloplegic refraction for eyeglasses prescription and ocular examination.
- Trial name
- NCT07012512
- Testing
- Use of phentolamine eye drops to reverse cycloplegia, Pilocarpine 0.1%, Combination of pilocarpine 0.1% and phentolamine 0.75%
- Volunteers
- 60 people
- Sponsor
- Mansoura University
CD - Crohn's Disease, Stricture; Bowel
Guselkumab Vs Ustekinumab in Stricturing Crohn's Disease
This study intends to select patients with confirmed moderate-to-severe Crohn's disease (CD) and obstructive symptoms of intestinal stenosis, who have clear evidence of lumen stenosis caused by the disease itself through…
- Conditions
- CD - Crohn's Disease, Stricture; Bowel, IBD - Inflammatory Bowel Disease
- Trial name
- NCT07444060
- Testing
- Guselkumab (GUS), Ustekinumab (UST)
- Where
- China
- Volunteers
- 100 people
- Sponsor
- Second Affiliated Hospital, Zhejiang University, School of Medicine
Urethral Stricture, Urethral Diseases
REDUCER Trial (TXA in Urethroplasty)
This study will test whether tranexamic acid (TXA), a medication used to reduce bleeding, can decrease blood loss in patients having urethroplasty.
- Trial name
- REDUCER (NCT07501884)
- Testing
- Tranexamic Acid, Urethroplasty
- Where
- United States
- Volunteers
- 40 people
- Sponsor
- Amjad Alwaal, MD, MSc, FRCSC, FACS
Carotid Stenosis, Coronary Artery Disease
Simultaneous Cardiac Surgery and Micronet-covered Stent Carotid Revascularization in High Perioperative Stroke Risk Patients
Prospective, single-center, clinical registry of patients with symptomatic/critical carotid artery stenosis at risk of stroke coexisting with unstable or multivessel severe coronary artery disease and/or severe valvular heart…
- Conditions
- Carotid Stenosis, Coronary Artery Disease, Valvular Heart Disease, Myocardial Infarction
- Trial name
- SIM-GUARD (NCT04973579)
- Testing
- Simutaneous (single anaesthesia) carotid artery stenting with MicroNet covered stent (CGuard) and cardiac surgery (CABG or surgical valve replacement / repair procedure)
- Where
- Poland
- Volunteers
- 50 people
- Sponsor
- John Paul II Hospital, Krakow
Bowel; Stricture
Paclitaxel Coated Balloon for the Treatment of Chronic bEnigN sTricture- Bowel
To determine the safety and efficacy of GIE Medical's ProTractX3™ TTS DCB for the treatment of recurrent benign bowel strictures.
- Trial name
- PATENT-B (NCT05561127)
- Testing
- GIE Medical ProTractX3 TTS DCB, Control
- Where
- 33 sites in United States
- Volunteers
- 171 people
- Sponsor
- GIE Medical
Severe Aortic Valve Stenosis, Aortic Valve Stenosis
Single Antiplatelet Treatment With Ticagrelor or Aspirin After Transcatheter Aortic Valve Implantation
The optimal pharmacological therapy after transcatheter aortic valve implantation (TAVI) to prevent valve thrombosis and reduce thromboembolic complications without significantly increasing the risk of bleeding is not yet fully…
- Conditions
- Severe Aortic Valve Stenosis, Aortic Valve Stenosis, Transcatheter Aortic Valve Replacement (TAVR), Transcatheter Aortic Valve Implantation (TAVI)
- Trial name
- REAC-TAVI2 (NCT05283356)
- Testing
- Ticagrelor 60mg
- Where
- Spain
- Volunteers
- 1,206 people
- Sponsor
- Fundacin Biomedica Galicia Sur
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
Coronary Artery Disease, Coronary Stenosis
The PICCOLETO XIII REVEAL-DCB Cohort A Study
To characterize, using paired coronary computed tomography angiography (CCTA), longitudinal changes in coronary atherosclerotic plaque, lumen dimensions, and vessel remodeling between baseline and mid-term follow-up in de novo…
- Conditions
- Coronary Artery Disease, Coronary Stenosis, Coronary Restenosis, Coronary Atherosclerosis
- Trial name
- REVEAL-DCB-A (NCT07868523)
- Volunteers
- 200 people
- Sponsor
- Fondazione Ricerca e Innovazione Cardiovascolare ETS
Urethral Stricture
Intraoperative Lidocaine or Dexmedetomidine for Postoperative Pain Modulation After Urethral Reconstruction.
The development of chronic postoperative pain (CPP) following surgery is influenced by several factors, among which the intensity of acute postoperative pain in the immediate perioperative period and mechanisms related to nerve…
- Trial name
- NCT07676942
- Testing
- Perioperative lidocaine infusion, Perioperative dexmedetomidine infusion
- Where
- Poland
- Volunteers
- 80 people
- Sponsor
- Centre of Postgraduate Medical Education
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
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
Pain, Anxiety
Active vs. Passive VR During Office-based ENT Procedures
The purpose of this research is to evaluate whether active virtual reality reduces pain and anxiety more effectively than passive virtual reality during office-based ENT procedures.
- Conditions
- Pain, Anxiety, Chronic Rhinosinusitis (CRS), Nasal Obstruction
- Trial name
- NCT07599826
- Testing
- Passive virtual reality headset or goggles, Active virtual reality headset or goggles
- Where
- United States
- Volunteers
- 132 people
- Sponsor
- Cedars-Sinai Medical Center
Critical Illness, Pupillometry
Dynamic Trajectories of Pupillary Light Reflex Parameters and Prognosis in Critically Ill Patients: A Multicenter Prospective Cohort Study
This multicenter prospective observational cohort study aims to investigate the association between early dynamic trajectories of pupillary light reflex parameters and clinical outcomes in critically ill patients admitted to…
- Conditions
- Critical Illness, Pupillometry, Prognosis
- Trial name
- PUPIL (NCT07616518)
- Volunteers
- 700 people
- Sponsor
- Second Affiliated Hospital, Zhejiang University, School of Medicine
Ureteral Stricture
EvaluatioN of Optilume Drug-Coated Balloon for the Endoscopic Treatment of UREteric Strictures
The main objective of this clinical investigation is to assess the safety and feasibility of the Optilume DCB for treatment of ureteric strictures.
- Trial name
- ENDURE1 (NCT07020520)
- Testing
- Optilume
- Where
- 7 sites in United States
- Volunteers
- 60 people
- Sponsor
- Urotronic Inc.
Stroke
Endarterectomy Versus Stenting in Patients With Symptomatic Severe Carotid Stenosis - 2
Carotid stenosis caused by atherosclerosis is a significant risk factor for ischemic stroke, accounting for up to 15% of all strokes and transient ischemic attacks.
- Trial name
- EVA3S-2 (NCT07054060)
- Testing
- carotid endarterectomy, Carotid artery stenting
- Where
- France
- Volunteers
- 600 people
- Sponsor
- Centre Hospitalier St Anne
Atherosclerosis Cardiovascular Disease, Atherosclerosis of Artery
Oral Microbiome in Carotid Atherosclerosis
The goal of this observational study, called OMICA (Oral Microbiome in Carotid Atherosclerosis), is to learn how bacteria living in the mouth may influence the development and stability of plaques in the carotid arteries, which…
- Conditions
- Atherosclerosis Cardiovascular Disease, Atherosclerosis of Artery, Carotid Artery Plaque, Periodontitis
- Trial name
- OMICA (NCT07296965)
- Testing
- Sample Collection
- Where
- Hungary
- Volunteers
- 200 people
- Sponsor
- Semmelweis University Heart and Vascular Center
Degenerative Lumbar Spinal Stenosis
Segmental Decompression Versus Wide Decompression With Fixation for Degenerative Lumbar Canal Stenosis
The purpose of this study is to compare two different surgical techniques for treating degenerative lumbar canal stenosis, a condition where the lower spinal canal narrows and puts pressure on the spinal nerves.
- Trial name
- NCT07542054
- Testing
- Segmental Decompression, Wide Decompression with Fixation
- Volunteers
- 56 people
- Sponsor
- Assiut University
LUMBAR STENOSIS
Pain After Microsurgical Decompression
This prospective observational cohort study aims to determine whether a combination of preoperative clinical, psychological, sleep-related, inflammatory, genetic, and epigenetic factors can predict chronic postoperative pain 12…
- Trial name
- NCT07883694
- Where
- Denmark
- Volunteers
- 200 people
- Sponsor
- Aalborg University
Aortic Stenosis, Right Bundle-Branch Block
Prophylactic Permanent Pacemaker in Patients With Right Bundle Branch Block Undergoing Transcatheter Aortic Valve Implantation
The goal of this clinical trial is to learn about the safety and outcome of prophylactic pacemaker implantation in patients with right bundle-branch block undergoing trans-catheter aortic valve (TAVI) implantation in patients…
- Trial name
- TAVI-PACE (NCT05889208)
- Testing
- Prophylactic pacemaker implantation
- Volunteers
- 320 people
- Sponsor
- Aalborg University Hospital