| Not Yet Recruiting | Can the "Face Index"; an Anthropometric Measurement, Predict Difficult Laryngoscopy and Intubation? NCT07366177 | Ordu University | — |
| Recruiting | Video Laryngeal Mask vs. Endotracheal Tube in Septoplasty NCT06950957 | Samsun University | — |
| Recruiting | MAsk VEntilation With Paratracheal Pressure In Children. Para Tracheal Compression to Prevent Gastric Insuffla NCT05279170 | University Hospital, Lille | N/A |
| Enrolling By Invitation | Ability to Maintain Saturation Levels Without Oxygen Supplementation as a Extubation Criteria Without TOF Moni NCT06275542 | University of Surabaya | N/A |
| Completed | Magnesium Sulfate in Surgical Stress Attenuation Postoperative Sore Throat and Stress Response Induced Trachea NCT06091631 | Assiut University | N/A |
| Completed | Flexible Reinforced Laryngeal Mask Airway Versus Endotracheal Tube for Childhood Adenotonsillectomy NCT06356298 | Maternal and Child Health Hospital of Hubei Province | Phase 2 |
| Completed | Dexmedetomidine or Lidocaine for Lessening the Hemodynamic Responses to Laryngoscopy and Intubation NCT05941767 | Zagazig University | N/A |
| Completed | No Post Intubation Laryngeal Symptoms NCT05383417 | University of California, San Diego | N/A |
| Completed | Comprehensive Preoperative Airway Grading NCT04864106 | University of Alabama at Birmingham | N/A |
| Completed | Using Vasopressor Medication to Support Blood Pressure During Intubation Procedure NCT05355974 | Wright State University | Phase 3 |
| Withdrawn | Effect of Airway Video Library on Intubation in Novices NCT04956796 | University of Minnesota | — |
| Completed | Is Effective Preoxygenation in Elderly Patients Related to Position? NCT05659758 | Ankara City Hospital Bilkent | N/A |
| Completed | Use of Muscle Relaxants in Parotidectomy Operation With Neuromonitoring NCT05432570 | Bezmialem Vakif University | N/A |
| Completed | Nasotracheal Intubation With VL vs DL in Infants Trial NCT05433155 | Children's Hospital of Philadelphia | N/A |
| Completed | Neural Integrity Monitor Electromyogram (NIM-EMG) Endotracheal Tube Intubation With Video Laryngoscope NCT05366582 | Bezmialem Vakif University | N/A |
| Unknown | Comparation of Proseal Laryngeal Mask Airway With Flexible Laryngeal Airway Mask NCT04268043 | Eye & ENT Hospital of Fudan University | N/A |
| Completed | Induction of Anesthesia With Sevoflurane Preserving Spontaneous Breathing: Cardiorespiratory Effects. NCT04802122 | Aristotle University Of Thessaloniki | Phase 4 |
| Completed | Awake Nasal Fiber-optic Intubation of Severely Obese Patients in Lateral Position NCT04779528 | University of Jordan | N/A |
| Withdrawn | Modified Rapid Sequence Induction in Morbidly Obese Patients NCT03239236 | Medical University of Vienna | N/A |
| Unknown | Airway Ultrasound Assessment in the Prediction of Difficult Airway NCT04816435 | Instituto de Investigación Sanitaria de la Fundación Jiménez Díaz | — |
| Completed | To Compare Videolaryngoscope Against Direct Laryngoscope for Intubation When Powered Air Purifying Respirator NCT04424953 | Singapore General Hospital | N/A |
| Completed | Paratracheal Force Required for Occluding the Upper Esophagus NCT04110899 | SMG-SNU Boramae Medical Center | N/A |
| Unknown | 'Single Hand Used inTubaTing Laryngoscope Evaluation' Study NCT04310384 | University of the Basque Country (UPV/EHU) | N/A |
| Completed | A Comparison Of Local Anesthetic Agents And Steroid On Tracheal Tube Cuff NCT04085744 | Derince Training and Research Hospital | N/A |
| Unknown | Safety and Efficacy of Cleverscope. A New Medical Device for Tracheal Intubation NCT03902704 | Hospital General Universitario de Valencia | N/A |
| Completed | Co-induction Ketamine-propofol: Effects on Laryngeal Mask Airway Insertion Conditions in Children NCT03631875 | University Hospital, Mahdia | Phase 4 |
| Completed | Anaesthesia With or Without Rocuronium in Intubation and Intraoperative Nerve-monitoring During Thyroid Surger NCT03910504 | Federico Longhini | N/A |
| Completed | Dexamethasone vs Bicarbonate to Intracuff Lignocaine 2% in General Anaesthesia NCT03833947 | Aligarh Muslim University | Phase 4 |
| Completed | Preoperative Presence of Gastric Content in Non-fasting Patients - an Ultrasound Study NCT03685435 | University Hospital, Akershus | — |
| Unknown | A Trial Comparing Transnasal humidified Rapid insufflation Ventilatory Exchange (THRIVE) and Apneic Oxygenation NCT03591432 | Tao Zhang | N/A |
| Completed | Transnasal Humidified Rapid Insufflation Ventilatory Exchange in Morbidly Obese NCT03550924 | Medical University of Vienna | N/A |
| Completed | Evaluation of the Relationship Between Airway Measurements and Laryngoscopic View in Newborn and Infants NCT03920748 | Ankara Children's Health and Diseases Hematology and Oncology Training and Research Hospital | — |
| Completed | Muscle Relaxants on Efficacy of LMA Insertion NCT03487003 | Daegu Catholic University Medical Center | N/A |
| Completed | Nasotracheal Tube Stenting by Nelaton Catheter in Pediatric Dental Surgery NCT03462732 | Ain Shams University | N/A |
| Unknown | GlideScope® vs GlideScope® + aScope® for Managing Difficult Airways. NCT02627755 | Hospital de Manises | N/A |
| Completed | Prediction of Optimal Pediatric Endotracheal Tube Size "Aged Based Formula Versus Ultrasonography" NCT03676387 | Mansoura University | N/A |
| Completed | Endotracheal Tube Audible Leak Test NCT02461017 | University of Mississippi Medical Center | — |
| Terminated | Comparison of Double Lumen Tube Placement Techniques NCT02495259 | Emory University | N/A |
| Completed | Tracheal Palpation of Sliding Cuff to Assess Endotracheal Tube Location NCT02502461 | University of Saskatchewan | N/A |
| Completed | Comparison of Hemodynamic Changes by Using the Videolaryngoscope and the Macintosh Laryngoscope NCT02564640 | Antalya Training and Research Hospital | N/A |
| Completed | Fentanyl and Propofol for Tracheal Intubation During Sevoflurane Induction Without Muscle Relaxants in Childre NCT02442128 | King Saud University | N/A |
| Terminated | Optimizing Propofol Dosing for (Preterm) Newborn Infants That Need Endotracheal Intubation NCT02040909 | Erasmus Medical Center | Phase 1 |
| Completed | Comparison of Tapered- vs. Cylindrical-shaped Tube Cuffs Pressure Alteration With Nitrous Oxide NCT01812915 | DongGuk University | N/A |
| Completed | The Effect of Prophylactic Ketorolac on Sore Throat After Thyroid Surgery NCT02039427 | Yeungnam University College of Medicine | N/A |
| Completed | Cuff Pressure in Patients: Manometer vs Invasive Pressure Monitoring Setup NCT01885793 | Senthil G. Krishna | — |
| Unknown | Video-stylet for Nasotracheal Intubation in Limited Mouth Opening Patient NCT01917435 | Kaohsiung Medical University Chung-Ho Memorial Hospital | N/A |
| Completed | Comparison of Flexible Fibreoptic Scope With Pentax AWS Videolaryngoscope for Ease of Intubation During Awake NCT02614924 | University Hospitals Coventry and Warwickshire NHS Trust | N/A |
| Unknown | Learning and Performance of Glidescope® Videolaryngoscope Intubation NCT01790646 | Fondazione I.R.C.C.S. Istituto Neurologico Carlo Besta | — |
| Completed | Combined Technique for Difficult Intubation NCT01691703 | Catharina Ziekenhuis Eindhoven | N/A |
| Completed | The Effect of Dexmedetomidine on Hemodynamic Response During Double Lumen Endotracheal Intubation NCT01289769 | Chiang Mai University | Phase 2 |
| Completed | The Comparison of Glidescope® and the Direct Laryngoscopy in the Insertion of the Double Lumen Endotracheal Tu NCT01424605 | Kaohsiung Medical University Chung-Ho Memorial Hospital | N/A |
| Completed | Alfentanil and the Elimination of Sympathetic Responses to Tracheal Intubation During Rapid Sequence Induction NCT01518608 | Oslo University Hospital | Phase 4 |
| Completed | Propofol for Pediatric Tracheal Intubation With Deep Anesthesia During Sevoflurane Induction NCT01150838 | University of Virginia | Phase 4 |
| Completed | The Effect of Tracheal Intubation on AC and DC Components of a Photoplethysmograph NCT03032939 | University of California, San Francisco | — |