Constriction, Pathologic: all 1,117 studies

Page 6 of 12. Open to participants first (229), then studies with results posted, then the rest; newest registration first within each.

• Safety and Efficacy of TaurusOne® Transcatheter Aortic Valve System in Patients With Severe Calcific Aortic StenosisActive, not recruitingNCT04815785Not applicable
• Peripheral Venous Stent System in the Treatment of Iliac Vein Stenosis or OcclusionCompletedNCT04812444Not applicable
• Anterior Spinal Canal Reconstruction and Fusion Surgery for Treating Degenerative Cervical Kyphosis With StenosisStatus unknownNCT04806360Not applicable
• Urethral Stricture After Transurethral Resection of the Prostate/Bladder: a Prospective Study of Risk FactorsStatus unknownNCT04795570
• Biomechanical Parameters of Gait in Patients with Symptomatic Lumbar Spinal Stenosis and Healthy Elderly.CompletedNCT04795284
• Natural History of Asymptomatic Superior Mesenteric Arterial Stenosis.CompletedNCT04785105
• Management of Symptomatic Gastric Sleeve Stenosis After Laparoscopic Sleeve GastrectomyWithdrawnNCT04781946Not applicable
• Oblique Lateral Interbody Fusion Versus Minimally Invasive Transforaminal Lumbar Interbody FusionStatus unknownNCT04778943
• BIONICS Small Vessels Trial EluNIR Ridaforolimus Eluting Coronary Stent System (EluNIR) in Coronary Stenosis TrialCompletedNCT04761939
• Understanding Patient Goals and Preferences to Facilitate Shared Decision Making for Symptomatic Aortic StenosisCompletedNCT04755426
• The Effectiveness of Reconstructive Microsurgery on the Clinical and Functional State of Laryngeal StenosisStatus unknownNCT04734483Not applicable
• Pain, Discomfort, and Functional Impairments During Rapid and Slow Maxillary ExpansionCompletedNCT04734054Not applicable
• Balloon Dilation Methods for Benign Esophageal StrictureWithdrawnNCT04730076Not applicable
• Endoscopic Stenting in Crohn Related StricturesCompletedNCT04718493Not applicable
• Myeloid Cells in Aortic Valve StenosisStatus unknownNCT04717219
• Comparison of Aorto-iliac Endovascular Interventions With and Without the EndoNaut WorkstationStatus unknownNCT04714268
• Indirect vs. Direct Decompression for Treatment of Central Stenosis: RCTWithdrawnNCT04708977Not applicable
• Romanian National Registry of Outcomes After Transcatheter Aortic Valve Implantation in Patients With Severe Aortic Stenosis - RO-TAVIStatus unknownNCT04694859
• The Correlation Between Degeneration of Paraspinal Muscle and Outcome of Patients With Lumbar Spinal StenosisStatus unknownNCT04688944
• Observational Study for the Evaluation of Tracheal Stenosis in COVID-19 PatientsStatus unknownNCT04686721
• Stent Versus Balloon Dilatation in Patients With Tracheal Benign StenosisCompletedNCT04674995
• Optimal Predilatation Treatment Before Implantation of a Magmaris Bioresorbable Scaffold in Coronary Artery StenosisActive, not recruitingNCT04666584Not applicable
• Valvosoft First-In-Human Study in Severe Symptomatic Aortic StenosisCompletedNCT04665596Not applicable
• Change in Coronary Microcirculation and FFR After TAVI in Patients With Cardiovascular ComorbiditiesCompletedNCT04663334
• VitaFlow™ Transcatheter Aortic Valve System Pre-market TrialStatus unknownNCT04655742Not applicable
• Holmium: YAG Versus Cold Knife Internal Urethrotomy in Management of Short Urethral StricturesCompletedNCT04650347Phase 2/3
• Atherectomy and Drug Coated Balloon for the Treatment of Arterio-Venous Graft StenosisStatus unknownNCT04627051Not applicable
• Role of Bronchoscopy in Assessment of Patients With Post-intubation Tracheal StenosisStatus unknownNCT04625400Not applicable
• AS OCT Evaluation for Perforated Punctual PlugsStatus unknownNCT04624022
• Misoprostol for Spinal StenosisCompletedNCT04611464
• Validation of a Novel, Non-Dimensional Approach for Estimation of Pressure Gradients in Aortic StenosisStatus unknownNCT04600739
• The Effectiveness and Safety of Levosimendan in Patients With Severe Aortic Stenosis and Heart Failure Undergoing Transcatheter Aortic Valve ReplacementStatus unknownNCT04573049Phase 4
• The Sensitivity and Specificity of CardioSimFFRct Analysis Software on Coronary Artery StenosisStatus unknownNCT04569669Not applicable
• DNA Methylation Biomarker for Diagnosis of Cholangiocarcinoma in Patients With Bile Duct StrictureCompletedNCT04568512Not applicable
• Intraintestinal Extended Biliary Stents Preventing Duodenobiliary Reflux in Patients With Biliary StrictureStatus unknownNCT04550819Not applicable
• Hemodynamic Matched Comparison of the Balloon-Expandable Transcatheter Heart Valves Myval and Sapien-3 for the Treatment of Aortic StenosisCompletedNCT04548726
• The Merit WRAPSODY Central Feasibility StudyWithdrawnNCT04541576Not applicable
• A Study of Evolocumab on Carotid Artery Atherosclerotic Plaque Morphology Prior to Carotid EndArterectomyStatus unknownNCT04539223Phase 4
• Epidemiology and Long-term Outcome of Patients With VHDCompletedNCT04527367
• Racial and Economic Disparities and Unmet Needs in Patients With Severe Aortic Valvular DiseaseStatus unknownNCT04525937
• The Use of Triamcinolone Injection in Treatment of Refractory Benign Esophageal Stricture in ChildrenStatus unknownNCT04524897Phase 4
• APERTO CVS PMCF StudyTerminatedNCT04514406
• Stress Aortic Valve Index for Assessing Risk in Aortic Valve Stenosis PatientsActive, not recruitingNCT04514250
• Buccal Mucosal Graft for the Repair of Iatrogenic Pelviureteric Junction Obstruction or Ureteric Stricture.Status unknownNCT04503330Not applicable
• Comparison Between Transpapillary and Suprapapillary Metal StentStatus unknownNCT04503291Not applicable
• Degenerative Lumbar Stenosis Conservative TreatmentStatus unknownNCT04492774Phase 4
• Influencing Factors of Intracranial Hypertension in Patients With Bilateral Transverse Sinus StenosisCompletedNCT04492332Not applicable
• First-In-Human Study of AK1320 Encapsulated Microspheres (AK1320 MS)TerminatedNCT04483297Phase 1
• Pre-operative Assessment by Sonourethrography Only in Anterior Urethral Strictures.CompletedNCT04452890Not applicable
• Association Between Lumbar Muscle Atrophy, Sagittal Pelvic Alignment and Stenosis Grade in Patients With Degenerative Lumbar Spinal StenosisCompletedNCT04444739
• Long Term Follow up of Spinal Stenosis Inpatients Treated With Korean Integrative Medicine Treatment.CompletedNCT04443738
• Coated Metal Ureteral Stent in the Treatment of Radiation Induced Ureteral StrictureStatus unknownNCT04441320Not applicable
• SLOW-Slower Progress of caLcificatiOn With Vitamin K2Status unknownNCT04429035Not applicable
• Transcatheter Aortic Valve Implantation in Western NORwayCompletedNCT04417829
• Minimally Invasive Surgery Versus Traditional Open Surgery In The Treatment Of Single Level Lumbar StenosisWithdrawnNCT04408846Not applicable
• Instability in the Lumbar Spine of Patients With Age Related Changes and Narrowing of the Spinal Canal (Spinal Stenosis)CompletedNCT04406987
• TMAO in Patients With Severe Aortic StenosisStatus unknownNCT04406805
• NKI Therapy Compared to Usual Care of Recurrent Esophagogastric Anastomotic StricturesTerminatedNCT04406428Not applicable
• Erector Spinae Plane Block After Lumbar Spinal Stenosis SurgeryStatus unknownNCT04403360Not applicable
• Brachiocephalic Arteriovenous Fistulae: Two Different Techniques of Bloodless Surgery and Their Effect on Fistula Stenosis.TerminatedNCT04402775Not applicable
• Effects and Safety of Epidural PDRN vs. PlaceboStatus unknownNCT04401735Phase 4
• Temporary vs.Long Term Hemodialysis Catheter on Central Vein StenosisStatus unknownNCT04399564Not applicable
• MOdified Urinary Conduit to Lower Strictures After radIcal CystectomyStatus unknownNCT04391790Not applicable
• FISH in Diagnosis of Biliary StrictureStatus unknownNCT04391153Not applicable
• Severe Aortic Valve Stenosis and Concomitant Coronary Artery Disease in Patients Undergoing TAVICompletedNCT04385459
• Relationship Between Tracheal and Left Pulmonary Artery Stenosis Index and Prognosis of PA Sling With Tracheal StenosisCompletedNCT04383184
• Long-term Follow-up of Conservative and Surgical Treatment Results of Patients With Lumbar Spinal StenosisCompletedNCT04379765
• Urological Management of Complications of Penile Constriction Devices:CompletedNCT04378478
• Sarcopenia and Outcomes of Neuroplasty in Lumbar Spinal StenosisStatus unknownNCT04374669
• Cryoablation for Benign Gastrointestinal Anastomotic StricturesStatus unknownNCT04372784Not applicable
• Targeted Testing for ATTR Among Aortic Stenosis Patients-PilotWithdrawnNCT04363294Not applicable
• Analysis and Comparative Evaluation of Aortic Calcium by Computed Tomography and Histopathology in Patients With Aortic StenosisCompletedNCT04344353
• Digital Variance Angiography in Diagnostic Angiographies for Effective Radiation Dose ReductionCompletedNCT04343196Not applicable
• Morbidity and Mortality Due to Deferral of Aortic Valve Replacement in Patients With Severe Aortic StenosisCompletedNCT04333875
• PRE Surgery reHABilitation for Spinal StenosisCompletedNCT04330885Not applicable
• Comparisons Therapeutic Effects of Different PELD Procedure on LSS.CompletedNCT04314453
• Spanish Percutaneous Aortic INtervention REGISTRY (SPAIN REGISTRY)Status unknownNCT04307888
• Periodontitis and Atherosclerotic-related Arterial StenosisStatus unknownNCT04303351
• SOLARIS Peripheral PMCF TrialActive, not recruitingNCT04299906Not applicable
• Factors Influencing Occurrence Of Hilar Biliary Stricture In Case of Bile Duct InjuryCompletedNCT04286763
• Mitomycin-C Injection Therapy in Refractory Esophageal StrictureCompletedNCT04284826Not applicable
• Saline-induced Distal to Aortic Coronary Pressure Ratio vs. Resting and Hyperemic Indices of Coronary Artery Stenosis SeverityCompletedNCT04284345Not applicable
• GPx Activity in Subjects With Aortic Stenosis Undergoing TAVRWithdrawnNCT04268160
• Percutaneous Endoscopic Decompression for Lumbar Canal StenosisStatus unknownNCT04254757Not applicable
• Post-Marketing Follow-Up of Long-term Type Ureteral Stent SetStatus unknownNCT04250090
• Bingo Drug-Coated Balloon in Real WorldCompletedNCT04234893
• Aortic Stenosis Evaluated Via Modern Ballistocardiography and SeismocardiographySuspendedNCT04231201
• Retrospective Study of Patients Undergoing Percutaneous Intervention of the Transplant Renal Artery StenosisCompletedNCT04225338
• Feasibility and Therapeutic Potential of Free Fat Grafts in the Treatment of Esophageal Strictures (ESOGRAFT)Status unknownNCT04221867Not applicable
• Protection Against Emboli During Carotid Artery Stenting Using the Neuroguard IEP SystemActive, not recruitingNCT04201132Not applicable
• Culotte Versus DK-CRUSH Technique in Non-left Main Coronary Bifurcation LesionsStatus unknownNCT04192760Not applicable
• LegDeb2 Global Registry for Use of Legflow in Peripheral ArteriesStatus unknownNCT04175197
• Streamline Occipito-Cervico-Thoracic System Post-Market Clinical Follow-upCompletedNCT04171544
• Instr. vs. Non-instr. Posterolateral Spinal Fusion in Patients With Spinal Stenosis and Degenerative ListhesisCompletedNCT04166981Not applicable
• Extracranial Carotid & Intracranial Arterial Stenosis in Ischemic StrokeStatus unknownNCT04162587
• Feasibility and Therapeutic Potential of Free Fat Grafts in the Treatment of Urethral StricturesStatus unknownNCT04161365Not applicable
• Transcatheter Aortic Valve Replacement With Extracorporeal Life System SupportStatus unknownNCT04160624Not applicable
• RHEIA (Randomized researcH in womEn All Comers With Aortic Stenosis)Active, not recruitingNCT04160130Not applicable
• Per-oral Pyloromyotomy for Treating Infantile Hypertrophic Pyloric StenosisStatus unknownNCT04148040Not applicable
• Plastic Stenting Versus Retrievable Metallic Stenting for Biliary Anastomotic Stricture After Liver TransplantationStatus unknownNCT04144504Not applicable

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