| Recruiting | Effects of Periodic Recruitment Maneuvers on Atelectasis and Respiratory Mechanics During Elective Spine Surge NCT07325812 | Prof. Dr. Cemil Tascıoglu Education and Research Hospital Organization | N/A |
| Not Yet Recruiting | ORI-Guided FiO₂ Titration in Prone Spine Surgery: Impact on Postoperative Atelectasis Assessed by Lung Ultraso NCT07375173 | Ankara Etlik City Hospital | N/A |
| Not Yet Recruiting | Electrical Impendance Tomography Usage in ICU NCT07184580 | Erasme University Hospital | — |
| Recruiting | The PRE-VAIL Study NCT07176624 | The First Hospital of Jilin University | N/A |
| Not Yet Recruiting | Measurement of Intraocular Pressure in Patients Undergoing Laminectomy in the Prone Position NCT07067008 | Elazıg Fethi Sekin Sehir Hastanesi | — |
| Recruiting | Hemodynamic Effects of Surgical Position in Prone vs. Supine Percutaneous Nephrolithotomy NCT07138872 | Gaziosmanpasa Research and Education Hospital | N/A |
| Completed | A Prospective Observational Study on Factors Affecting Optic Nerve Sheath Diameter and Visual Acuity in Prone NCT07395115 | Istanbul University - Cerrahpasa | — |
| Recruiting | By Assessing the Continuous Respiratory Physiological Changes Through Prone Position, Determine the Optimal Du NCT06827184 | National Taiwan University Hospital | — |
| Enrolling By Invitation | A Questionnaire Survey on Cognition of Enteral Nutrition Implementation in Patients Requiring Mechanical Venti NCT06375148 | Second Affiliated Hospital, School of Medicine, Zhejiang University | — |
| Recruiting | Effect of PP in Patients With Ultra-low VT NCT06215209 | Southeast University, China | — |
| Recruiting | Supporting Infant Development Through Tummy Time, Positioning, and Limiting Baby Gear NCT05878275 | University of Tennessee | N/A |
| Unknown | Prone Position in infantS/Children With Acute Respiratory Distress Syndrome NCT06020404 | Fondazione Policlinico Universitario Agostino Gemelli IRCCS | N/A |
| Unknown | Prone Position With Different Types of Cushions in Patients With ARDS NCT06184490 | Hospital de Clinicas de Porto Alegre | N/A |
| Recruiting | Robot-assisted Laparoscopic Partial Nephrectomy Via the Extraperitoneal Approach in the Prone Position Versus NCT06572501 | The First Affiliated Hospital with Nanjing Medical University | N/A |
| Completed | Prone vs Supine Position in Potential Organ Donors: Multicenter Clinical Trial NCT07251777 | Hospital de Alta Complejidad del Bicentenario Esteban Echeverría | N/A |
| Completed | Improvement of ARDS Ventilation-perfusion Matching by Prone Positioning Assessed by EIT NCT05765760 | Beijing Chao Yang Hospital | — |
| Completed | The Effect of the Position Given to the Child After Weaning from Noninvasive Mechanical Ventilation on Physiol NCT06580522 | Acibadem University | N/A |
| Completed | Evaluation of the Impact of the PRONEtect Education Hub vs. Classic Lecture, on the Competencies of Nursing St NCT05575869 | University Ghent | N/A |
| Recruiting | Improvement of Lung and Thoracic Compliance in ARDS Patients in Prone Position by Using Inflatable Air Bag NCT05515484 | Centre Hospitalier Universitaire, Amiens | Phase 2 |
| Recruiting | Early Verticalization of the Patient With Acute Respiratory Distress Syndrome: Assessment of Feasibility and S NCT04472260 | Centre Hospitalier Régional d'Orléans | N/A |
| Completed | Role of Pulmonary Perfusion on Tolerance to Supine Position in Patients With ARDS NCT05408442 | Pontificia Universidad Catolica de Chile | — |
| Unknown | Efficacy of HOFA Versus Hydrocolloid Dressings in the Prevention of PUs in Critically Ill Prone Patients NCT05198167 | Puerta de Hierro University Hospital | N/A |
| Completed | Awake Prone Positioning in COVID-19 Suspects With Hypoxemic Respiratory Failure NCT04853979 | Hamad Medical Corporation | N/A |
| Completed | Awake Prone Positioning for Non-intubated COVID-19 Patients NCT04760561 | Damanhour University | N/A |
| Unknown | Determine the Effect of Prone Positioning in Adults With ARDS by Electrical Impedance Tomography NCT04725227 | Shanghai Zhongshan Hospital | — |
| Completed | Use of Prone Position Ventilation in Danish Patients With COVID-19 Induced Severe ARDS Treated With VV-ECMO NCT05693051 | Rigshospitalet, Denmark | — |
| Completed | Impact of Prone Position in Patients Under Spontaneous Breathing on Intubation or Non-invasive Ventilation or NCT04363463 | Centre Hospitalier Régional d'Orléans | N/A |
| Completed | Prone Position and Renal Resistive Index NCT04286490 | University Hospital, Grenoble | N/A |
| Completed | Hemodynamic Changes Due to Prone Position NCT04491331 | University Hospital Hradec Kralove | — |
| Completed | Characteristics and Outcomes of Patients With COVID-19 Treated With HFNO and Prone Positioning NCT05178212 | Hospital Privado de Comunidad de Mar del Plata | — |
| Completed | Evaluation of Sedation in COVID-19 ARDS NCT04667936 | Goethe University | — |
| Completed | The Effect of High vs. Low Fluid Volume on Ocular Parameters in Prone Spine Surgery NCT03890510 | Huashan Hospital | N/A |
| Unknown | For Easy, Fast and Comfortable Colonoscopy, Which Position NCT03854422 | Bulent Ecevit University | N/A |
| Unknown | Prone Versus Prone-Flexed Position For Percutaneous Nephrolithotomy (PCNL) NCT03147950 | Mansoura University | N/A |
| Unknown | Cuff Pressure in Infants NCT03088761 | Istanbul Science University | — |
| Completed | PROne POsition and Volumetric CAPnography NCT02816190 | Hopital of Melun | — |
| Completed | Evaluation of SVV From NICOM as a Predictor of Fluid Responsiveness in Prone Position During Spine Surgery NCT02277353 | Samsung Medical Center | — |
| Unknown | Effect of Prone Position on Liver Blood Flow and Function NCT01781260 | University of Nottingham | — |
| Unknown | Comparison of Intraabdominal Pressure NCT02094976 | Seoul National University Hospital | N/A |
| Completed | Laryngeal Mask Use in Knee-chest Position in Lumbar Surgery in Neurosurgical Patients NCT02162368 | Fundacion Clinic per a la Recerca Biomédica | — |