| Not Yet Recruiting | Transcriptomic Profile Changes in Benign Tracheal Stenosis: Wedge Resection vs. Radial Incision NCT07463742 | University of Maryland, Baltimore | N/A |
| Not Yet Recruiting | Paclitaxel-Coated Pulmonary Balloon for the Treatment of Benign Central Airway Stenosis NCT07191860 | Airiver Medical, Inc. | N/A |
| Recruiting | RNA Sequencing of Discarded Tracheal Stenosis Tissue to Characterize Cellular and Molecular Pathogenesis NCT07258784 | University of Maryland, Baltimore | — |
| Not Yet Recruiting | CT-Based Scoring System to Predict Surgical Need in Tracheal Stenosis (TSMAS Study) NCT07086729 | Ondokuz Mayıs University | — |
| Enrolling By Invitation | Feasibility of Tracheobronchial Reconstruction Using Allogenic Aortic Patch in Children NCT07240259 | National Taiwan University Hospital | N/A |
| Recruiting | Slide Tracheoplasty Versus Tracheal Resection Anastomosis in Acquired Tracheal Stenosis NCT06917222 | Mansoura University Hospital | N/A |
| Completed | Long-term Outcomes of Post-intubation Tracheal Stenosis; 7-year Follow-up NCT06121024 | Ankara Ataturk Sanatorium Training and Research Hospital | — |
| Withdrawn | Total Intravenous Anesthesia for Rigid Bronchoscopy Using Remimazolam NCT05835713 | Samsung Medical Center | N/A |
| Completed | Relationship Between Post-Intubation Tracheal Stenosis and Covid-19 NCT05682651 | Ankara City Hospital Bilkent | — |
| Completed | Airway Management During Unusual Tracheal Stenosis NCT05317923 | Istanbul University | N/A |
| Unknown | Treatment of Laryngotracheal Stenosis Using Mesenchymal Stem Cells NCT05535803 | Institute of Biophysics and Cell Engineering of National Academy of Sciences of Belarus | Phase 2 |
| Unknown | DilAtation Versus Endoscopic Laser Resection in Simple Benign trAcheal sTEnosis NCT04719845 | Centre de Recherche de l'Institut Universitaire de Cardiologie et de Pneumologie de Quebec | N/A |
| Completed | Challenges and Management of Post-intubation Tracheal Stenosis NCT06061380 | Wollo University | — |
| Unknown | Role of Bronchoscopy in Assessment of Patients With Post-intubation Tracheal Stenosis NCT04625400 | Assiut University | N/A |
| Unknown | Observational Study for the Evaluation of Tracheal Stenosis in COVID-19 Patients NCT04686721 | Istituto Clinico Humanitas | — |
| Unknown | Tracheal Dilatation in Pediatric Patients With Acquired Tracheal Stenosis, and the Effects of Apneic Oxygenati NCT05028023 | Aristotle University Of Thessaloniki | N/A |
| Unknown | Feasibility of Tracheobronchial Reconstruction Using Bioengineered Aortic Matrices NCT04850742 | National Taiwan University Hospital | N/A |
| Unknown | Endotracheal Dilator to Improve Oxygenation NCT03411928 | University of Cape Town | N/A |
| Withdrawn | Clinical Trial of Stem Cell Based Tissue Engineered Laryngeal Implants NCT01977911 | University College, London | Phase 1 / Phase 2 |
| Unknown | Phenotypic and Genetic Assessment of Tracheal and Esophageal Birth Defects in Patients NCT03455881 | Children's Hospital Medical Center, Cincinnati | — |
| Completed | Treatment of Laryngotracheal Stenosis Using Mesenchymal Stem Cells NCT03130374 | The Republican Research and Practical Center for Epidemiology and Microbiology | Phase 1 / Phase 2 |
| Unknown | A Clinical Trial on Effectiveness and Safety of Hydrogen Generator to Treat Dyspnea for the Patients With Trac NCT02961387 | Guangzhou Institute of Respiratory Disease | N/A |
| Completed | Modified Endotracheal Balloon Dilator to Improve Patient Oxygenation and Allow Ventilation During Airway Proce NCT02796326 | University of Cape Town | N/A |
| Suspended | A Study to Assess the Safety, Tolerability and Potential Efficacy of a Tracheal Replacement Consisting of a Ti NCT02949414 | Cell Therapy Catapult | Phase 1 |
| Completed | Investigation of the Effect of Systemic Steroids on Treatment and Prevention of Recurrent Tracheal Stenosis in NCT02855502 | National Research Institute of Tuberculosis and Lung Disease, Iran | Phase 4 |
| Suspended | Biodegradable Stents in the Management of Stenoses of the Large Airways NCT02620319 | Ludek Stehlik | N/A |
| Completed | Stent Versus Balloon Dilatation in Patients With Tracheal Benign Stenosis NCT04674995 | University of Modena and Reggio Emilia | — |
| Terminated | Study of Mitomycin-C Application in Laryngotracheal Stenosis NCT01523275 | University of California, San Francisco | N/A |
| Completed | Airway and/or Pulmonary Vessels Transplantation NCT01331863 | Assistance Publique - Hôpitaux de Paris | Phase 1 / Phase 2 |
| Completed | Matrix Biology of Tracheobronchomalacia and Tracheal Stenosis NCT00705848 | Beth Israel Deaconess Medical Center | — |
| Withdrawn | Office-based Radial Expansion Balloon Dilation of the Esophagus and Trachea NCT00583960 | University of California, Davis | — |