| Recruiting | Comparison of Stress Response Evoked by Conventional Versus Videolaryngoscope NCT07510542 | Sindh Institute of Urology and Transplantation | N/A |
| Not Yet Recruiting | Can the "Face Index"; an Anthropometric Measurement, Predict Difficult Laryngoscopy and Intubation? NCT07366177 | Ordu University | — |
| Recruiting | Effect of Nalbuphine Versus Fentanyl on Hemdoynamic Effects of Laryngoscopy NCT07435337 | Rawalpindi Institute of Cardiology | Phase 4 |
| Recruiting | Do Increasing Preoperative Timing of Single Dexmedetomidine Dose Have an Effect on Stress Response of Laryngos NCT07165483 | Tanta University | N/A |
| Not Yet Recruiting | Oral Melatonin VS Nebulized Dexmedetomidine Premedication on Attenuation of Hemodynamic Response to Direct Lar NCT06935292 | Tanta University | Phase 2 / Phase 3 |
| Recruiting | Enhancing Difficult Laryngoscopy Prediction Through A Mixed Scoring System NCT06815952 | American University of Beirut Medical Center | — |
| Not Yet Recruiting | Difficult Airways Scores Validation Difficult Laryngoscopy and Mask Ventilation: Prospective and Evaluative St NCT06511427 | Mongi Slim Hospital | — |
| Completed | The Rate of Successful Intubation and the Required Time for Intubation, Using Vie Scope and Macintosh Laryngos NCT06149338 | St. Andrew's General Hospital, Patras, Greece | N/A |
| Unknown | Effect of Lidocaine Sprayed for Attenuating Hemodynamic Response During Laryngoscopy and Intubation NCT06226532 | Khon Kaen University | Phase 4 |
| Completed | Airway Interventions During Intravenous Anesthesia in Children Undergoing Direct Laryngoscopy for Surgical Pro NCT06037915 | University Hospital, Antwerp | Phase 4 |
| Completed | Place of the Video-laryngoscope in Learning Intubation by Simulation NCT05859542 | Mongi Slim Hospital | — |
| Completed | Do we Intubate Faster With the Videolaryngoscope? NCT05851664 | Mongi Slim Hospital | N/A |
| Completed | The Laryngoscopic View With C-MAC Videolaryngoscope Miller Blade Lifting the Epiglottis or the Vallecula in Ch NCT05515107 | Inonu University | N/A |
| Unknown | Improvement of the Glottic View by Video Laryngoscope NCT04620434 | Seoul National University Hospital | — |
| Completed | Pediatric Videolaryngoscopic Intubation and Difficult Airway Classification NCT04844723 | Universitätsklinikum Hamburg-Eppendorf | — |
| Completed | Endotracheal Intubation Using Videolaryngoscopy Versus Conventional Direct Laryngoscopy NCT04701762 | The Cleveland Clinic | N/A |
| Completed | The Voice Analysis as a Preoperative Prediction Method of a Difficult Airway NCT04259021 | Fundacion Dexeus | — |
| Completed | Comparison Between the Neuromuscular Blockade Onset Monitoring and the Expectation of a Fixed Delay After Cura NCT03981042 | Poitiers University Hospital | N/A |
| Completed | VIDEOLARYNGOSCOPY STUDY OF THE LPEC NCT04126356 | University of Liege | — |
| Completed | Effect Of Position On Laryngeal Visualisation With The C-Mac Videolaryngoscope NCT03709979 | Inonu University | N/A |
| Completed | Soiled Airway Tracheal Intubation and the Effectiveness of Decontamination by Paramedics NCT03599687 | Yorkshire Ambulance Service NHS Trust | — |
| Terminated | High Flow Oxygen in Patients Undergoing Suspension Laryngoscopy Under General Anesthesia NCT03472118 | CMC Ambroise Paré | N/A |
| Completed | Comparison Between the MacGrath MAC Videolaryngoscope and the MacIntosh Laryngoscope for Oro-tracheal Intubati NCT03470116 | Centre Hospitalier Régional d'Orléans | N/A |
| Completed | Learning Curves for Airtraq Versus King Vision Laryngoscopes NCT03464929 | Fundación para la Investigación Biosanitaria del Principado de Asturias | — |
| Recruiting | Correlation Between Sedation Depth Monitoring and Reflexes During Intravenous Anesthesia With Dexmedetomidine NCT03426579 | University Hospital, Antwerp | — |
| Completed | NoL, HR and MABP Responses to Tracheal Intubation Performed With MAC Blade Versus Glidescope NCT03277872 | Ciusss de L'Est de l'Île de Montréal | N/A |
| Completed | THRIVE in Pediatric Laryngeal Microsurgery NCT03241979 | Seoul National University Hospital | — |
| Completed | Dental Injury Related To Conventional Direct Laryngoscopy NCT06760247 | Selcuk University | — |
| Unknown | Intramuscular Dexmedetomidine as Premedication NCT01937611 | Guangzhou First People's Hospital | Phase 4 |
| Completed | Force and Pressure Distribution Using Macintosh and GlideScope Laryngoscopes in Normal Airway: an in Vivo Stud NCT01685320 | Campus Bio-Medico University | N/A |
| Completed | Measurement of Forces Applied Using a Macintosh Direct Laryngoscope Compared to GlideScope Video Laryngoscope NCT00992628 | University Health Network, Toronto | N/A |
| Unknown | The Effect of Rocuronium on the Response of Composite Variability Index (CVI) to Laryngoscopy NCT00926718 | St. Vincent's Medical Center | N/A |
| Completed | Utility of Bedside Ultrasound in the Prediction of Difficult Airway NCT00799357 | University of Nebraska | — |
| Completed | A Comparison of the Infant Truview EVO2 Video Laryngoscope and the Macintosh Laryngoscope in Pediatric Patient NCT00803751 | The University of Texas Health Science Center, Houston | N/A |
| Completed | Comparison Study in Adult Surgical Patients of 5 Airway Devices NCT00602979 | Weill Medical College of Cornell University | N/A |