| Not Yet Recruiting | The Role of Oxygen Reserve Index (ORi) in Apneic Ventilation NCT07119866 | Ankara City Hospital Bilkent | — |
| Recruiting | Effects of Walking Apnea At High Lung Volume on Hypoalgesia NCT06638528 | Universidad Rey Juan Carlos | N/A |
| Recruiting | Different Low Flow Rates on Gas Exchange in Children During Apnea NCT06659887 | Yasser S Mostafa, MD | N/A |
| Recruiting | Non-inferiority Analysis of Two Titration Methods for Hypoglossal Nerve Stimulation Therapy NCT06559956 | University Hospital, Antwerp | — |
| Completed | Characterizing Hypoxic Apnea Intra-individual Repeatability NCT06399575 | University of Alberta | N/A |
| Recruiting | Hypoglossal Nerve Stimulation Therapy in Patients With Obstructive Sleep Apnea: Belgian Registry NCT06332404 | University Hospital, Antwerp | — |
| Completed | Applied Forces During Neonatal Face Mask Ventilation With Different Face-mask Air Cushion Volumes NCT06161389 | University Hospital Padova | N/A |
| Unknown | Effects of Walking Apnea at Low Lung Volume on Hypoalgesia, Cardiovascular Function and Respiratory Function NCT06158295 | Centro Universitario La Salle | Phase 3 |
| Unknown | Effects of Walking Apnea at High Lung Volume on Hypoalgesia, Cardiovascular Function and Respiratory Function NCT06158282 | Centro Universitario La Salle | Phase 3 |
| Unknown | Effects of Static Apnea at High Lung Volume on Hypoalgesia, Cardiovascular Function and Respiratory Function NCT06150677 | Centro Universitario La Salle | Phase 3 |
| Unknown | Effects of Static Apnea at Low Lung Volume on Hypoalgesia, Cardiovascular Function and Respiratory Function NCT06158256 | Centro Universitario La Salle | Phase 3 |
| Completed | Could Apnea Induce Hypoalgesia? NCT05991141 | Centro Universitario La Salle | N/A |
| Completed | Efficacy of Different Treatments for Obstructive Sleep Apnea NCT06352658 | Nourhan M.Aly | N/A |
| Completed | Functional Residual Capacity Under Apnoeic Oxygenation with Different Flow Rates in Children NCT05672329 | Thomas Riva | N/A |
| Unknown | High Flow Nasal Oxygen Therapy Undergoing Colonoscopy NCT05396274 | Turkish Society of Anesthesiology and Reanimation | N/A |
| Completed | Oxygen Reserve Index Predicting Hypoxemia NCT05480748 | Dr. Lutfi Kirdar Kartal Training and Research Hospital | — |
| Completed | Plethysmography Curve Variability Depending on the Breath Cycle NCT05302219 | Czech Technical University in Prague | N/A |
| Unknown | A Study of Breathing Sound-based Classification of Patients With Breathing Disorders NCT05868694 | Huai'an No.1 People's Hospital | — |
| Completed | The Effect of High-flow Nasal Oxygen Flow Rate on Gas Exchange During Apnoea NCT05124093 | University College Hospital Galway | N/A |
| Completed | High Flow Nasal Cannula for Safe Apnea NCT04849520 | Seoul National University Hospital | N/A |
| Active Not Recruiting | Treating Obstructive Sleep Apnea Using Targeted Hypoglossal Neurostimulation NCT04950894 | LivaNova | N/A |
| Completed | Head Elevation During Pre-oxygenation Can Delay Desaturation Time NCT05688722 | Indonesia University | N/A |
| Unknown | Comparison Between Natural Sleep Endoscopy and Drug-induced Sleep Endoscopy in Patients With Obstructive Sleep NCT04729478 | ethisch.comite@uza.be | N/A |
| Completed | Fraction of Oxygen on Induction of Anesthesia in Infants NCT04722276 | Seoul National University Hospital | N/A |
| Unknown | Breathing Protocol in Breath-hold Divers NCT04366414 | Centro Universitario La Salle | N/A |
| Completed | Pre-oxygenation With Facemask Oxygen vs High-flow Nasal Oxygen vs High-flow Nasal Oxygen Plus Mouthpiece Oxyge NCT04767867 | University College Hospital Galway | N/A |
| Withdrawn | Management of Apnea in Late Preterm and Term Infants NCT02408328 | Boston Children's Hospital | Phase 2 |
| Terminated | High-flow Nasal Oxygenation for Open Mouth NCT04290728 | Seoul National University Hospital | N/A |
| Recruiting | Upper Airway's Pressure Drop Analyses After Mandibular Advancement and Maxillary Expansion NCT04190953 | University of Alberta | N/A |
| Completed | Effects of High Intensity Interval Training (HIIT) vs. Inspiratory Muscle Training on the Recovery After a Max NCT04084535 | Centro Universitario La Salle | N/A |
| Unknown | Effect of HFNO on Spontaneous Ventilation in Obese Patients During Analgo-sedation for Vitrectomy NCT04049240 | University of Split, School of Medicine | N/A |
| Terminated | Ventilation in Cardiac Arrest NCT04657393 | Medical University of Graz | N/A |
| Completed | Transnasal Humidified Rapid-Insufflation Ventilatory Exchange (THRIVE) Could Decrease the Incidence of Oxygen NCT03843580 | University Hospital, Caen | N/A |
| Completed | Oropharyngeal Exercises and Post-Stroke Obstructive Sleep Apnea NCT04212260 | Sunnybrook Health Sciences Centre | N/A |
| Completed | THRIVE in Children at Different Flow Rates NCT03812354 | Insel Gruppe AG, University Hospital Bern | N/A |
| Unknown | THRIVE Apneic Ventilation With Standardized Airway Management During General Anesthesia. NCT03797859 | Rigshospitalet, Denmark | — |
| Completed | A Safety Study For Prevenar 13 Among Chinese Children NCT03656939 | Pfizer | — |
| Completed | Apnea in Hospitalized Preterm Infants Following the Administration of Routine Childhood Vaccines NCT03530124 | Duke University | Phase 4 |
| Terminated | High Flow Oxygen in Patients Undergoing Suspension Laryngoscopy Under General Anesthesia NCT03472118 | CMC Ambroise Paré | N/A |
| Completed | Comparison of Two Telemonitoring Auto-titrating Modalities in OSA Patients NCT03734341 | Basque Health Service | N/A |
| Completed | Pressure Sensitive Mats for Patient Monitoring in the NICU NCT03224286 | Children's Hospital of Eastern Ontario | — |
| Completed | Functional Bed Sheet Capturing Pressure Variation and Respiratory Effort Over Time NCT03119103 | Studio 1 Labs | N/A |
| Unknown | The Effect of Tooth Position During Orthodontic Treatment on the Apnea/ Hypopnea Index (AHI) NCT03299023 | Harvard School of Dental Medicine | — |
| Unknown | Clinical Comparative Study to Validate Performance of SafeSed Prototype Monitoring Endoscopy Under Sedation NCT02968797 | Meir Medical Center | — |
| Completed | Ventilation Using a Bag Valve Mask With Supplemental External Handle NCT02800213 | Brooke Army Medical Center | N/A |
| Completed | Acute and Chronic Effects of Dynamic Apnea in Healthy Untrained Subjects NCT03095677 | Centre Hospitalier Régional d'Orléans | N/A |
| Completed | The Effectivity of End-tidal CO2 and Oxygen Reserve Index (ORI) Monitoring in Sedation NCT04793178 | Yuksek Ihtisas Hospital | N/A |
| Completed | Peripheral Nerve Stimulation to Reduce Hypoxic Events NCT02554110 | Mayo Clinic | N/A |
| Completed | Comparison of Mask Ventilation Techniques in Patients Requiring General Anesthesia NCT02580526 | Vanderbilt University Medical Center | N/A |
| Completed | Ventilation Using a Bag Valve Mask With Integrated Internal Handle NCT02792049 | Brooke Army Medical Center | N/A |
| Completed | Apnea Tests as the Methods of Brain Death Diagnosis. NCT03281993 | Pomeranian Medical University Szczecin | — |
| Completed | MRSOPA-Drills to Improve Mask Ventilation in the Delivery Room NCT02375230 | University of Alberta | N/A |
| Completed | Prophylactic Versus Therapeutic Caffeine for Apnea of Prematurity NCT02677584 | Mansoura University Children Hospital | N/A |
| Completed | Nu-Mask Intraoral Airway Device Versus Conventional Bag Valve Mask Ventilation Crossover Trial NCT02627001 | Brooke Army Medical Center | Phase 4 |
| Unknown | Impact of Swaddle Blanket on Gastroesophageal Reflux NCT02083952 | Valley Health System | N/A |
| Completed | Novel Treatment of Comorbid Insomnia and Sleep Apnea in Older Veterans NCT02027558 | VA Office of Research and Development | N/A |
| Completed | Use of Capnography in EGD and Colonoscopy With Moderate Sedation. NCT01994785 | The Cleveland Clinic | N/A |
| Withdrawn | Laryngeal Mask Ambu Aura Once vs. Supreme in Children NCT01718782 | Medical University Innsbruck | N/A |
| Completed | Effectiveness of Continuous Negative External Pressure in Preventing Upper Airway Impairment During Routine Co NCT01895062 | 5i Sciences, Inc. | Phase 1 / Phase 2 |
| Unknown | microEEG for Neonatal Apnea, Bradycardia and Desaturation NCT02436616 | Bio-Signal Group Corp. | — |
| Terminated | Caffeine to Reduce Mechanical Ventilation in Preterm Infants NCT01751724 | University of Miami | N/A |
| Unknown | Study of Erythromycin in GER-Associated Apnea of the Newborn NCT01825473 | University of Virginia | N/A |
| Completed | Rates of Apnea in Patients Undergoing Vitreoretinal Surgery NCT01745341 | Stanford University | — |
| Completed | Validation Study for an Unobtrusive Online Sleep Measurement System NCT01633151 | Beddit.com Ltd | — |
| Completed | Caffeine Citrate for the Treatment of Apnea Associated With Bronchiolitis in Young Infants NCT01435486 | Hamad Medical Corporation | N/A |
| Completed | High Versus Low Dose of Caffeine for Apnea of Prematurity NCT02103777 | Mansoura University Children Hospital | Phase 3 |
| Completed | A Novel Method of Non-invasive Ventilation in Children NCT01394172 | University of Alberta | — |
| Completed | NuMask Versus Traditional Mask Ventilation During Routine Care NCT02828280 | Derek Sakata | — |
| Completed | Capnography During Percutaneous Transhepatic Cholangiodrainage (PTCD) (HepaBreath) NCT01587157 | Technical University of Munich | Phase 3 |
| Completed | Sleep Apnea and Visual Perceptual Skill Learning NCT01852929 | Heidi Roth, MD | N/A |
| Completed | Detection of Neonatal Bradycardia NCT00950287 | Rennes University Hospital | — |
| Completed | Benefits of Exchanging a Double Lumen Tube to a Proseal Laryngeal Mask or a Single Lumen Tube After a Thoracic NCT00925613 | Université de Montréal | Phase 3 |
| Completed | Head Positions to Open the Upper Airway NCT00869648 | Medical University Innsbruck | N/A |
| Completed | Continuous Monitoring of Lung Ventilation NCT00810186 | Pneumedicare Ltd. | — |
| Completed | A Study on the Effects of Feeding and Feeding Methods on Breathing Pattern in Very Low Birth Weight Preterm In NCT00607555 | Sunnybrook Health Sciences Centre | — |
| Completed | Predictors of the Metabolic Effect of Sleep Loss NCT00965783 | University of Chicago | N/A |
| Unknown | Injection Snoreplasty: Comparison Between Ethanol and Ethanolamine Oleate NCT00804037 | University of Sao Paulo | N/A |
| Unknown | Polidocanol Sclerotherapy of Pharynges for Obstructive Sleep Apnea (OSA) and Snoring Subjects(SS) NCT00399451 | Liaoyang Central Hospital | Phase 1 / Phase 2 |
| Completed | Dosing Chart for Calculating the First Dose of Doxapram in Premature Infants NCT00389909 | Jean Michel Hascoet | Phase 4 |
| Completed | An Epidemiological Study to Evaluate the RSV-Associated Lower Respiratory Track in Infections in Infants NCT00369759 | MedImmune LLC | — |
| Unknown | Identifying the Relative Change in Ventilation in Newborns With Placement in Car Bed or Car Seat NCT00382876 | University Medical Centre Ljubljana | — |
| Completed | Randomized Trial of Nasal Continuous Positive Airway Pressure or Synchronized Nasal Ventilation in Premature I NCT00188968 | University of Manitoba | Phase 3 |
| Completed | Incidence and Severity of Cardiorespiratory Events in Infants at Increased Epidemiological Risk for Sudden Inf NCT00004392 | Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD) | — |
| Completed | Liberal Versus Restrictive Transfusion Guidelines for Preterm Infants NCT00369005 | University of Iowa | N/A |