| Suspended | Safety and Effectiveness of Placental Derived Exosomes and Umbilical Cord Mesenchymal Stem Cells in Moderate t NCT05387278 | Vitti Labs, LLC | Phase 1 |
| Withdrawn | Study of Cysteamine-pantetheine Disulfide (TTI-0102) in Mild to Moderate COVID-19 NCT05212662 | Thiogenesis Therapeutics, Inc. | Phase 2 |
| Withdrawn | T-Cell Mitochondrial Respiration Response to Ketone Monoester Supplement in Healthy Volunteers and COVID-19 NCT05798260 | Duke University | — |
| Recruiting | Passive Detection- SARS-CoV-2 (COVID-19) A&M Breathalyzer (PROTECT Kiosk) for Operational Medicine NCT06402318 | The Geneva Foundation | — |
| Active Not Recruiting | SARS-CoV-2/COVID-19 Study of Next Generation Non-Invasive Passive Detection Technologies NCT05765396 | The Geneva Foundation | — |
| Unknown | Prognostic Value of PtcO2 in Patients With COVID-19 NCT05682612 | Southeast University, China | — |
| Completed | Correlation Between PaCO2 and Respiratory Effort in Patients With COVID-19 With Extracorporeal Membrane Oxygen NCT05882474 | Peking Union Medical College Hospital | — |
| Unknown | Clinical Trial of Efficacy and Safety of Oral Drug in Adult Patients With COVID-19 NCT05365321 | Andrei Carvalho Sposito | Phase 1 / Phase 2 |
| Completed | Prone Positioning and R/I Ratio in COVID-19 Patients With ARDS (SyDRAC-DV) NCT05360862 | Centre Hospitalier Universitaire de Nice | — |
| Withdrawn | Respiratory COVID-19: A Randomized, Sham-Controlled Study NCT05166915 | Aytu BioPharma, Inc. | N/A |
| Unknown | Efficacy of Canrenone as add-on Treatment in Moderate to Severe ARDS in COVID-19 NCT04977960 | Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico | Phase 2 |
| Completed | Nebulised BromAc in Healthy Volunteers NCT05220605 | Mucpharm Pty Ltd | Phase 1 |
| Completed | Registry for Hemoperfusion of Covid-19 ICU Patients NCT05470907 | Croatian Society for Organ Support | — |
| Withdrawn | Plerixafor in Acute Respiratory Distress Syndrome Related to COVID-19 (Phase IIb) NCT05411575 | 4Living Biotech | Phase 2 |
| Unknown | Effects of Exercise on the Renin-angiotensin System NCT05115383 | Western University, Canada | N/A |
| Unknown | Effect of Slope Time in PCV Mode on Mechanical Power Calculation and Oxygenation in Covid-19 ARDS Patients. NCT05474300 | Bakirkoy Dr. Sadi Konuk Research and Training Hospital | — |
| Completed | PRactice of Ventilation and Adjunctive Therapies in COVID-19 Patients. NCT05954351 | Academisch Medisch Centrum - Universiteit van Amsterdam (AMC-UvA) | — |
| Unknown | Safety of Nebulized Combination Therapy BromAc® in COVID-19 Respiratory Disease NCT05258682 | Mucpharm Pty Ltd | Phase 1 / Phase 2 |
| Unknown | Chest and Abdominal Compression Versus PROne Position NCT05327205 | Fondation Hôpital Saint-Joseph | — |
| Completed | Awake Prone Positioning in Moderate to Severe COVID-19 NCT05083130 | Oxford University Clinical Research Unit, Vietnam | N/A |
| Completed | Safety and Effectiveness of Cyclosporin in the Management of COVID19 ARDS Patients in Alexandria University Ho NCT04979884 | Alexandria University | Phase 3 |
| Withdrawn | Tazemetostat for the Treatment of Moderate to Severe COVID-19 Infection NCT05018975 | Loma Linda University | Phase 2 |
| Unknown | When to Apply to Which Patient in MSC? NCT05240430 | Trabzon Kanuni Education and Research Hospital | — |
| Unknown | The Effectiveness of RPSG Intervention for Nurses During the COVID-19 NCT05178199 | National Taiwan University Hospital | N/A |
| Recruiting | Phase 2a Multiple Ascending Dose Study in Hospitalized Patients With Pneumonia. NCT05123755 | Vasomune Therapeutics, Inc. | Phase 2 |
| Unknown | Impact of COVID-19 SARS-CoV-2 Variability in ICU Hospitalized Patients With Severe Disease NCT05162508 | Assistance Publique - Hôpitaux de Paris | — |
| Unknown | Characterization of the microVAScular Dysfunction in Covid-19 ARDS NCT05074758 | Assistance Publique - Hôpitaux de Paris | — |
| Completed | High-flow Nasal Oxygenation and Non-invasive Ventilation Strategies for the Treatment of Covid-19 Pneumonia NCT05137431 | Medipol University | — |
| Unknown | Is Fetal Hemoglobin a Key for Improvement of Hypoxia and Saving Last Breath in COVID-19 Patient?. A Pilot Stud NCT05092724 | Zagazig University | N/A |
| Withdrawn | Safety and Efficacy of Inhaled XW001 For Hospitalized COVID-19 Patients Requiring Oxygen Therapy NCT05083117 | Sciwind Biosciences APAC CO Pty. Ltd. | Phase 2 |
| Completed | Early Versus Delayed Enteral Nutrition in Critically Ill Adults With COVID-19 NCT06134674 | Ankara City Hospital Bilkent | — |
| Completed | Effect of Prone Positioning on the Severity of COVID-19 Pneumonia and Acute Respiratory Distress Syndrome. NCT05405335 | Ayub Medical College, Abbottabad | N/A |
| Withdrawn | A Randomized Study to Investigate the Effect of Intravenous Imatinib on the Amount of Oxygen in the Lungs and NCT04953052 | Exvastat Ltd. | Phase 2 |
| Completed | Practice Variation on Antithrombotics in COVID-19 NCT04998799 | NMC Specialty Hospital | — |
| Completed | Is Prolonged Period of Prone Position Effective and Safe in Mechanically Ventilated Patients With SARS-COV-2? NCT05109624 | Ain Shams University | N/A |
| Unknown | Booster Dose of COVID-19 Vaccine for Kidney Transplant Recipients Without Adequate Humoral Response NCT04961229 | dafna yahav | Phase 4 |
| Unknown | Effect of Vojta Therapy on Covid-19 Respiratory Disease NCT05031858 | NUMEN Foundation | N/A |
| Unknown | Comparison of Prone Position and Standard Electrocardiogram in COVID-19 Patients NCT05047835 | Khon Kaen University | — |
| Completed | Perceptions and Representations of Vaccination Against COVID-19 NCT04896957 | Centre Hospitalier Intercommunal Creteil | — |
| Completed | The Effect of Listening to Music During CPAP on the Agitation Levels and Compliance. NCT05102084 | SÜMEYYE BİLGİLİ | N/A |
| Unknown | A Randomized Controlled Trial to Investigate The Role of Adjuvant Inhalable Sodium Bicarbonate Solution 8.4% i NCT05035524 | Mansoura University | N/A |
| Active Not Recruiting | Post Acute Sequelae of COVID-19 NCT04964115 | Vanderbilt University Medical Center | — |
| Unknown | A Proof-of-Concept Study Evaluating EOM613 in COVID-19 Infected Patients With Severe Symptoms NCT05212532 | EOM Pharmaceuticals | Phase 1 |
| Terminated | Interleukine 6 (IL6) Assay for Predicting Failure of Spontaneous Breathing in Patients With COVID-19 Acute Res NCT05330845 | Centre Hospitalier Henri Duffaut - Avignon | N/A |
| Completed | Comparison for the Effect of Neuromuscular Blocking Agents Versus Sedation Alone on Severe ARDS Patients Due t NCT04922814 | Assiut University | N/A |
| Unknown | Macintosh Versus Macgrath for Laryngoscopy in COVID 19 Hypoxemic ICU Patients NCT04956913 | Mongi Slim Hospital | — |
| Recruiting | Cardiac Magnetic Resonance Tissue Characterization in COVID-19 Survivors NCT05164744 | Weill Medical College of Cornell University | — |
| Unknown | Efficacy of Nebulized Lidocaine, Salbutamol, and Beclomethasone Plus Salbutamol in the Covid-19 Patients With NCT04979923 | Sheikh Zayed Medical College | Phase 1 |
| Terminated | Cerebral Autoregulation and COVID-19 NCT04930874 | University of Athens | N/A |
| Completed | Impact of Aerosol Box Use on Healthcare Provider Contamination NCT04880668 | KidSIM Simulation Program | N/A |
| Completed | imPulse™ Una Infrasound-to-ultrasound E-stethoscope NCT04941209 | Level 42 AI, Inc. | — |
| Completed | Nigelle 5 in Prevention of Influanza NCT04989101 | Hôpital Universitaire Sahloul | N/A |
| Completed | Comparison of ARDS COVID-19 (WHO) vs ARDS Influenza in the ICU NCT04941092 | Central Hospital, Nancy, France | — |
| Completed | Melatonin Levels on COVID-19 Positive Pregnant Women NCT05318144 | Nazan Yurtcu MD | — |
| Active Not Recruiting | Treatment of Respiratory Complications Associated With COVID19,Influenza ,Metapneumovirus,RSV Infection Using NCT04896853 | NextCell Pharma Ab | Phase 1 |
| Completed | Quality of Life 1y and 2 y After VV-ECMO for COVID-19 NCT05780255 | University Hospital, Ghent | — |
| Completed | Follow-up of Covid-19 Long Term Sequelae NCT05097677 | Azienda Ospedaliera Universitaria Integrata Verona | — |
| Completed | Evaluation of Serial Ultrasound Screening in ICU COVID-19 Patients NCT05028244 | Hospital Universitari Vall d'Hebron Research Institute | N/A |
| Completed | Efficacy and Safety of Antimicrobial Stewardship Intervention in Hospitalized COVID-19 Patients (COVASP) NCT04896866 | University of Alberta | N/A |
| Completed | Efficacy of Respiratory Physiotherapy on Severe ICU-admitted COVID-19 Patients. NCT05067907 | Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico | — |
| Completed | A Retrospective Study of COVID-19 Treatments NCT04949230 | ProgenaBiome | — |
| Completed | Effects of Low Molecular Weight Heparin Therapy With Soft-Mist Inhaler for COVID-19 Induced Hypoxemia NCT04990830 | Istanbul University | Phase 2 / Phase 3 |
| Completed | Flow-controlled Ventilation (FCV) in Moderate Acute Respiratory Distress Syndrome (ARDS) Due to COVID-19 NCT04894214 | University Hospital, Antwerp | — |
| Completed | Telerehabilitation Program and Detraining in Patients With Post-COVID-19 Sequelae NCT05866224 | Campus docent Sant Joan de Déu-Universitat de Barcelona | N/A |
| Completed | Positive End Espiratory Pressure Trial in Coronavirus Disease 19 Treated With Continuous Positive Airway Press NCT05178160 | Santa Maria delle Grazie Hospital | N/A |
| Completed | Cognitive Functions After COVID-19 NCT04978246 | Medipol University | — |
| Unknown | Pulmonary Inflammation in COVID-19 ARDS NCT04935450 | Hospital Universitario Ramon y Cajal | — |
| Completed | Respiratory Drive and Inspiratory Effort in COVID-19 Associated ARDS NCT06224010 | University of Turin, Italy | — |
| Unknown | Effects of Mechanical Ventilation on the Diaphragm in COVID-19 Intensive Care Patients. A Post-mortem Patholog NCT05191433 | Azienda Sanitaria-Universitaria Integrata di Udine | — |
| Completed | Use of Prone Position Ventilation in Danish Patients With COVID-19 Induced Severe ARDS Treated With VV-ECMO NCT05693051 | Rigshospitalet, Denmark | — |
| Completed | Study to Verify the Effectiveness and Safety of Isothymol or Carvacrol Compound Against SARS-CoV-2 in COVID-19 NCT05445089 | Instituto Venezolano de Investigaciones Cientificas | Phase 2 / Phase 3 |
| Completed | Acute Kidney Dysfunction in COVID-19 and Non-COVID-19 Related ARDS NCT05699889 | Assistance Publique Hopitaux De Marseille | — |
| Unknown | Rehabilitation of Critically Ill Patients With SARS-CoV-2 Variants in ICU With Limited Resources NCT05450120 | Universidade Federal de Sao Carlos | N/A |
| Completed | Ultrasound Grayscale Analysis in ARDS covid19 NCT04863534 | University of Milan | — |
| Completed | Characteristics and Outcome of Patients With COVID-19 in ICUs in South Tyrol NCT05077319 | Institute of Mountain Emergency Medicine | — |
| Completed | Personalized Targeted Immunomodulation in COVID-19 ARDS NCT06311448 | Erasmus Medical Center | — |
| Completed | Extended Prone Position Duration COVID-19-related ARDS: a Retrospective Study NCT05124197 | Hôpital Louis Mourier | — |
| Unknown | University Hospital of Ioannina COVID-19 (Coronavirus Disease 2019) Registry NCT05534074 | University Hospital, Ioannina | — |