| Suspended | Perceptions of Undergraduate Students and Teaching Staff on Online Teaching NCT04466371 | Misr International University | — |
| Not Yet Recruiting | Evaluating AVM0703 for Treatment of COVID-19 or Influenza-mediated ARDS NCT04366115 | AVM Biotechnology Inc | Phase 1 |
| Withdrawn | Direct Topical Lung T3 Treatment to Improve Outcome & Sequelae of COVID-19 Acute Respiratory Distress Syndrome NCT04725110 | University of Minnesota | Phase 2 |
| Not Yet Recruiting | "Efesovir" (FS-1) for COVID-19, Phase 2 NCT05060705 | Scientific Center for Anti-infectious Drugs, Kazakhstan | Phase 2 |
| Active Not Recruiting | Proof-of-Concept Clinical Pharmacology Trial for COVID-19 Antigen Presentation Therapeutic Biologic Mix NCT03305341 | Han Xu, M.D., Ph.D., FAPCR, Sponsor-Investigator, IRB Chair | EARLY_Phase 1 |
| Completed | Respiratory Muscle Assesment in COVID-patients Without Hospitalization NCT06105450 | RWTH Aachen University | — |
| Withdrawn | The VIDA After COVID Study NCT04945590 | Mayo Clinic | N/A |
| Not Yet Recruiting | Clinical Study for Subjects With COVID-19 Using Allogeneic Adipose Tissue-Derived Mesenchymal Stem Cells NCT05017298 | Celltex Therapeutics Corporation | Phase 2 |
| Withdrawn | ExoFlo™ Infusion for Post-Acute COVID-19 and Chronic Post-COVID-19 Syndrome NCT05116761 | Direct Biologics, LLC | Phase 1 / Phase 2 |
| Unknown | A Safety Assessment of the iZephyr Hood for NIV in COVID-19 Patients NCT04904484 | Imperial College Healthcare NHS Trust | N/A |
| Unknown | NAC for Attenuation of COVID-19 Symptomatology NCT05074121 | Cambridge Health Alliance | Phase 2 |
| Withdrawn | Study of Allogeneic Adipose-Derived Mesenchymal Stem Cells to Treat Post COVID-19 "Long Haul" Pulmonary Compro NCT04992247 | Sorrento Therapeutics, Inc. | Phase 2 |
| Recruiting | Dysfunction of Olfaction After COVID-19 Infection: Morphological and Histomolecular Investigation NCT06482138 | Universitaire Ziekenhuizen KU Leuven | N/A |
| Unknown | Risks and Outcomes Among COVID-19 Patients Admitted to Assiut University Hospital. NCT04860232 | Assiut University | — |
| Unknown | SLV213 Treatment in Ambulatory COVID-19 Patients NCT04843787 | Kenneth Krantz, MD, PhD | Phase 2 |
| Withdrawn | COVID-19 ThromboprophylaXIs Study of Novel FXIa Inhibitor Frunexian (EP-7041) in ICU Patients NCT05040776 | eXIthera Pharmaceuticals | Phase 2 |
| Completed | ACTIV-6: COVID-19 Study of Repurposed Medications - Arm G (Metformin) NCT06042855 | Susanna Naggie, MD | Phase 3 |
| Unknown | The Use of Exosomes for the Treatment of Acute Respiratory Distress Syndrome or Novel Coronavirus Pneumonia Ca NCT04798716 | AVEM HealthCare | Phase 1 / Phase 2 |
| Unknown | Efficacy of Home Inspiratory Muscle Training in Post-covid-19 Patients: a Randomized Clinical Trial NCT05077241 | Universidade Federal do Rio Grande do Norte | N/A |
| Unknown | Hydrogen-Oxygen Generator With Nebulizer for Adjuvant Treatment of Novel Coronavirus Disease 2019 (COVID-19) NCT05770206 | Guangzhou Institute of Respiratory Disease | N/A |
| Withdrawn | Valproate Alone or in Combination With Quetiapine for Severe COVID-19 Pneumonia With Agitated Delirium NCT04513314 | University of Miami | Phase 4 |
| Unknown | Early Treatment Strategy With High-dose Dexamethasone in Patients With SARS-CoV-2 NCT05293210 | Hospital Universitario Infanta Leonor | Phase 3 |
| Withdrawn | Leidos-Enabled Adaptive Protocol for Clinical Trials (LEAP-CT) in Hospitalized Patients With COVID-19 (Addendu NCT05085574 | Leidos Life Sciences | Phase 2 |
| Withdrawn | Face Masks to Reduce SARS-CoV-2 Infections (COVID-19) in Bangladesh NCT05197725 | Yale University | N/A |
| Completed | Cluster-Randomized Trial of Air Filtration and Ventilation to Reduce Covid19 Spread in Homes NCT05777720 | Stanford University | N/A |
| Completed | ACTIV-6: COVID-19 Study of Repurposed Medications - Arm F (Montelukast) NCT05894577 | Susanna Naggie, MD | Phase 3 |
| Unknown | Impact of COVID-19 on Quality of Life of Seniors With Eye Disease and Implementations to Improve Wellness NCT04910282 | London Health Sciences Centre Research Institute OR Lawson Research Institute of St. Joseph's | — |
| Completed | Model to Predict Coinfection in Elderly Patients With COVID-19 NCT06321367 | Xiangya Hospital of Central South University | — |
| Withdrawn | SARS-CoV-2 (COVID-19) Detection Using the Breath Analizer TeraSystem NCT04497610 | Instituto Costarricense de Investigaciones Clínicas ICIC | — |
| Completed | Effects of Respiratory Muscle Training in Individuals With Long-term Post-COVID-19 Symptoms NCT05597774 | Universidad Complutense de Madrid | N/A |
| Completed | Study Designed to Evaluate the Effect of CimetrA in Patients Diagnosed With COVID-19 NCT05037162 | MGC Pharmaceuticals d.o.o | Phase 2 |
| Withdrawn | Increasing COVID-19, Influenza, and Pneumonia Vaccine Uptake NCT04761692 | Charles Drew University of Medicine and Science | N/A |
| Completed | Single-cell Landscape of BALF in Patients With Severe ARDS and CARDS NCT05933291 | Peking Union Medical College Hospital | — |
| Completed | SARS-CoV-2 and Acetylsalicylic Acid (SARA) NCT05073718 | Barcelona Institute for Global Health | Phase 3 |
| Unknown | Vit D3 for Early Symptoms of COVID-19 NCT05008003 | Ayub Teaching Hospital | N/A |
| Completed | COVID-19 Vaccine Education at the Point of Testing to Increase Vaccine Uptake in Vulnerable Communities in SE NCT04939506 | Xavier University of Louisiana. | N/A |
| Unknown | Psychologic Impact of COVID-19 Pandemic on the Hospital Staff of the Nouvelle Aquitaine Area NCT04945837 | Centre Hospitalier Charles Perrens, Bordeaux | N/A |
| Completed | ACTIV-6: COVID-19 Study of Repurposed Medications - Arm E (Fluvoxamine 100) NCT05894564 | Susanna Naggie, MD | Phase 3 |
| Unknown | Comorbidities And Complications Associated With Covid-19 Infection NCT04563442 | Assiut University | — |
| Unknown | Investigation on the Incidence and Course of COVID-19 in Patients With Prior, Ongoing or de Novo ITP. Evaluati NCT04735588 | Gruppo Italiano Malattie EMatologiche dell'Adulto | — |
| Terminated | Pilot Study for PET/MR Imaging of Covid-19 NCT04954248 | Stanford University | N/A |
| Unknown | Global Mental Health of Urban Mothers NCT04363177 | Karolinska Institutet | N/A |
| Completed | Effect of Local Treatment(Carrageenan Nasal Spray and PVP-I Mouthwash) in Reducing Viral Load in Patients With NCT05049213 | National Taiwan University Hospital | Phase 4 |
| Unknown | Efficacy and Safety of Nitazoxanide 600 mg BID Versus Placebo for the Treatment of Hospitalized Patients With NCT04423861 | Azidus Brasil | Phase 3 |
| Active Not Recruiting | Community Developed Technology-Based Messaging to Increase COVID-19 Vaccine Uptake Among People Who Inject Dru NCT04924803 | NDRI-USA, Inc. | N/A |
| Completed | Trusted Messengers: Intervention to Promote COVID-19 Vaccination NCT04981392 | University of Massachusetts, Worcester | N/A |
| Unknown | Evaluation of the Impact of Hospitalization in Intensive Care for COVID-19 Infection NCT04849585 | Tourcoing Hospital | — |
| Withdrawn | Lactoferrin for COVID-19-Induced Taste or Smell Abnormality NCT05760079 | Wake Forest University Health Sciences | N/A |
| Terminated | Clinical Evaluation of a COVID-19 Antigen Self-Test (CoviDx™) NCT05403346 | Lumos Diagnostics | — |
| Unknown | Hydrogen-Oxygen Generator With Nebulizer for Adjuvant Treatment of COVID-19 Positive Patients NCT05539664 | Ruijin Hospital | N/A |
| Active Not Recruiting | Enhancing COVID Rehabilitation With Technology NCT05019963 | University of Ottawa | N/A |
| Unknown | Observational Study on the Use of Ivermectin as an Outpatient Treatment Option for COVID-19 NCT05045937 | Patrick Robinson | — |
| Unknown | The Effect of Covid-19 on Breast Milk Microbiome and Its Bioactive Components NCT04836754 | Aysu Yıldız Karaahmet | — |
| Withdrawn | In-patient COVID-19 Study of Intranasal Foralumab NCT04983446 | Tiziana Life Sciences LTD | Phase 2 |
| Terminated | COVID-FIS: Pilot in COVID-19 (SARS-CoV-2) of Fisetin in Older Adults in Nursing Homes NCT04537299 | Mayo Clinic | Phase 2 |
| Unknown | Clinical Characteristics And Outcome Of COVID-19 Infection In Patients With Chronic Respiratory Diseases. NCT05054127 | Assiut University | — |
| Completed | Leveraging CHWs to Improve COVID-19 Testing and Mitigation Among CJIs Accessing a Corrections-focused CBO NCT04878328 | Montefiore Medical Center | N/A |
| Withdrawn | COVID-19 And Geko Evaluation: The CAGE Study NCT04651374 | London Health Sciences Centre Research Institute OR Lawson Research Institute of St. Joseph's | N/A |
| Completed | Home-based Care and Hand Hygiene Interventions in Honduras NCT04886414 | Brigham and Women's Hospital | N/A |
| Terminated | Relative Bioavailability, Safety, and Tolerability of Single-dose Sotrovimab Injection in Adults (COSMIC) NCT05280717 | Vir Biotechnology, Inc. | Phase 1 |
| Completed | Safety and Efficacy Evaluation of CO2 Removal in Combination With Continuous Veno-Venous Hemodialysis/Hemodiaf NCT04871893 | Fresenius Medical Care Deutschland GmbH | N/A |
| Recruiting | Conversations You Want About Corona Virus Disease (COVID-19) NCT05191420 | Wake Forest University Health Sciences | — |
| Completed | REmotely Monitored, Mobile Health-Supported High Intensity Interval Training After COVID-19 Critical Illness ( NCT04664101 | Duke University | N/A |
| Terminated | Data-driven Approaches to Healthcare Provider Resilience & Burnout During COVID-19 NCT04922632 | Duke University | N/A |
| Completed | Use of Construal Level Theory to Inform Messaging to Increase Vaccination Against COVID-19 NCT04871776 | Brigham and Women's Hospital | N/A |
| Terminated | Post-COVID-Health Study: Multidimensional Health Status of COVID-19 Survivors One Year After a SARS-CoV-2 Infe NCT04794985 | Maastricht University Medical Center | — |
| Completed | ACTIV-6: COVID-19 Study of Repurposed Medications - Arm D (Ivermectin 600) NCT05894538 | Susanna Naggie, MD | Phase 3 |
| Completed | Recovery of Respiratory System in COVID-19 Patients NCT04954222 | Mayo Clinic | — |
| Unknown | To Evaluate Safety & Immunogenicity of DelNS1-2019-nCoV-RBD-OPT1 for COVID-19 in Healthy Adults Received 2 Dos NCT05200741 | The University of Hong Kong | Phase 2 |
| Unknown | SOLIDARITY Finland Plus Long-COVID NCT05220280 | Clinical Urology and Epidemiology Working Group | Phase 4 |
| Withdrawn | Evaluation of the Safety and Immunogenicity of SII Vaccine Constructs Based on the SARS-CoV-2 (COVID-19) Varia NCT05029856 | Novavax | Phase 1 / Phase 2 |
| Withdrawn | Angiotensin (1-7) for the Treatment of COVID-19 in Hospitalized Patients NCT04570501 | Stanford University | Phase 1 / Phase 2 |
| Unknown | COVID-19 Antibody Responses in Cystic Fibrosis (CAR-CF) NCT05217784 | Rabin Medical Center | — |
| Completed | the Safety and Efficacy of Meplazumab in Patients With COVID-19 NCT05113784 | Jiangsu Pacific Meinuoke Bio Pharmaceutical Co Ltd | Phase 2 / Phase 3 |
| Completed | Social and Psychological Impacts of SARS-Cov-2 Pandemic Period in the Obese Population. NCT04910607 | University Hospital, Bordeaux | — |
| Withdrawn | Niclosamide in COVID-19 NCT04542434 | Entero Therapeutics | Phase 2 |
| Completed | Evaluation of the AudibleHealth Dx AI/ML-Based Dx SaMD Using FCV-SDS in the Diagnosis of COVID-19 Illness NCT05175690 | AudibleHealth AI, Inc. | — |
| Active Not Recruiting | Physical Training in Patients With POTS After Covid-19 NCT05094622 | Karolinska Institutet | N/A |
| Withdrawn | Advancing DSME/S and COVID-19 Prevention and Protection Through "emPOWERed to Change" Program NCT04993326 | Charles Drew University of Medicine and Science | N/A |
| Unknown | Chinese Medicine for Patients With LCOVID-19 Symptoms NCT04924881 | Chinese University of Hong Kong | Phase 2 |
| Withdrawn | Use of Technology and Telemedicine to Improve Quality of Care in COVID 19 Patients NCT04480411 | Stanford University | N/A |
| Unknown | Oxygen Requirements and Use in Patients With COVID-19 in LMICs NCT04918875 | Pryanka Relan | — |
| Completed | Sedation, ANalgesia and Delirium MANagement in Intensive Care Unit NCT05027217 | University of Oxford | — |
| Withdrawn | Reconditioning Exercise for COVID-19 Patients Experiencing Residual sYmptoms NCT04958161 | Wake Forest University Health Sciences | N/A |
| Unknown | Study of CRP, Ferritine and D-Dimer in Covid-19 Patients Admitted To Respiratory ICU in Assuit University Hosp NCT05102695 | Assiut University | — |
| Completed | LEAP-CT for Treatment of COVID-19 Patients (Master Protocol) NCT05077332 | Leidos Life Sciences | Phase 2 |
| Unknown | The Effect of Sitagliptin Treatment in COVID-19 Positive Diabetic Patients NCT04365517 | University of Milan | Phase 3 |
| Terminated | Leidos-Enabled Adaptive Protocol (LEAP-CT) for Evaluation of Post-exposure Prophylaxis for Newly-infected COVI NCT05077969 | Leidos Life Sciences | Phase 2 |
| Unknown | Mix and Match Heterologous Prime-Boost Study Using Approved COVID-19 Vaccines NCT04998240 | International Vaccine Institute | Phase 2 |
| Completed | Effects of Pilates Exercises on Core Stability After Recovery From COVID -19 NCT04871672 | University of Jazan | N/A |
| Terminated | A Study of Baricitinib (LY3009104) in Children With COVID-19 NCT05074420 | Eli Lilly and Company | Phase 3 |
| Terminated | COVID-19 (Coronavirus Disease-2019) Psychiatric Outcomes NCT05119400 | Weill Medical College of Cornell University | — |
| Recruiting | A Multimodal Parent-focused Intervention for Vulnerable Populations in the Bronx NCT04991467 | Albert Einstein College of Medicine | N/A |
| Withdrawn | Impact of GSE and Xylitol (Xlear) on COVID-19 Symptoms and Time to PCR Negativisation in COVID-19 Patients NCT04854486 | Larkin Community Hospital | Phase 3 |
| Withdrawn | ABC Science Collaborative Registry Study NCT04781218 | Duke University | — |
| Completed | Cereset Research In Healthcare Workers During COVID-19 NCT04682197 | Wake Forest University Health Sciences | N/A |
| Completed | Safety and Immunogenicity of SARS-CoV-2 Protein Subunit Recombinant Vaccine NCT05067894 | PT Bio Farma | Phase 1 |
| Withdrawn | Evaluation of the Efficacy of Xylitol Nasal Spray Against SARS-CoV-2 NCT04610801 | Larkin Community Hospital | Phase 3 |
| Unknown | Outpatient Liquid Aspirin (OLA) NCT04937088 | Louisiana State University Health Sciences Center in New Orleans | Phase 2 |
| Withdrawn | '4C' Intervention to Reduce SARS-CoV-2 (Covid-19) Transmission NCT04739449 | University of Michigan | N/A |
| Withdrawn | COVID-19 Supplemental Vaccine Boost to Enhance T Cell Protection in Those Who Have Already Received EUA S-Base NCT04843722 | ImmunityBio, Inc. | Phase 1 / Phase 2 |
| Recruiting | COVID-19 International Drug Pregnancy Registry NCT05013632 | Pregistry | — |
| Withdrawn | Selective Estrogen Modulation and Melatonin in Early COVID-19 NCT04531748 | Reena Mehra, MD | Phase 2 |
| Withdrawn | Anakinra, COVID-19, Cytokine Storm NCT04603742 | Weill Medical College of Cornell University | Phase 2 |
| Unknown | Prospective Clinical and Virological Analysis of Healthcare Workers Diagnosed Positive for Covid-19. NCT04858581 | GCS Ramsay Santé pour l'Enseignement et la Recherche | N/A |
| Withdrawn | Heat Shock Protein Inhibitor- MPT0B640 for COVID-19 Infection NCT04526717 | J Ints Bio | Phase 1 |
| Withdrawn | COVID-19 Subcutaneously and Orally Administered Supplemental Vaccine Boost to Enhance T Cell Protection in Tho NCT04845191 | ImmunityBio, Inc. | Phase 1 / Phase 2 |
| Unknown | Immunogenicity and Safety of Heterologous and Homologous Boosting With ChAdOx1-S and CoronaVac or a Formulatio NCT05087368 | D'Or Institute for Research and Education | Phase 2 |
| Unknown | Could Docosahexaenoic Acid (DHA), Contained in Breast Milk and Artificial Baby Milks, Protect Infants and Chil NCT05075031 | Kafrelsheikh University | — |
| Unknown | Study Evaluating Safety and Tolerability of Allocetra-OTS in Patients With COVID-19 NCT04659304 | Enlivex Therapeutics Ltd. | Phase 1 |
| Unknown | Immunogenicity Against SARS-CoV-2 in COVID-19 Close Contacts NCT05094635 | University of Medicine and Pharmacy at Ho Chi Minh City | — |
| Unknown | Masitinib in Patients With Symptomatic Mild to Moderate COVID-19 NCT05047783 | AB Science | Phase 2 |
| Unknown | COVID-19 Antibody Responses In Cystic Fibrosis NCT04863573 | Queen's University, Belfast | — |
| Unknown | A Study to Evaluate Safety & Immunogenicity of SARS-CoV-2 DNA Vaccine Delivered Intramuscularly Followed by El NCT05102643 | The University of Hong Kong | Phase 1 |
| Completed | Using Mixed-methods Approach to Explore the Long-term Effects of COVID-19 NCT05303103 | National Taiwan University Hospital | — |
| Completed | Study to Evaluate a Single Intranasal Dose of STI-2099 (COVI-DROPS™) in Outpatient Adults With COVID-19 (US) NCT04906694 | Sorrento Therapeutics, Inc. | Phase 2 |
| Terminated | Study of Intravenous COVI-MSC for Treatment of COVID-19-Induced Acute Respiratory Distress NCT04903327 | Sorrento Therapeutics, Inc. | Phase 2 |
| Unknown | Study of Allogeneic Adipose-Derived Mesenchymal Stem Cells for Treatment of COVID-19 Acute Respiratory Distres NCT04905836 | Sorrento Therapeutics, Inc. | Phase 2 |
| Terminated | Enabling Family Physicians to Reduce Vaccine Hesitancy and Increase Covid-19 Vaccine Uptake NCT04963790 | Hopital Montfort | N/A |
| Withdrawn | Hyperbaric Oxygen for Long COVID-19 Pulmonary Sequela NCT04905888 | Peter Lindholm | Phase 2 |
| Terminated | COVID-19 Patient Cohort: Retinal Damage in Non-invasive Retinal Imaging (OCTA) NCT04881253 | Centre Hospitalier Intercommunal Creteil | — |
| Completed | Randomized Clinical Trial of Intranasal Dexamethasone as an Adjuvant in Patients With COVID-19 NCT04513184 | Edda Sciutto Conde | Phase 2 |
| Terminated | Clinical Trial to Assess the Efficacy and Safety of Inhaled AQ001S in the Management of Acute COVID-19 Symptom NCT05000346 | Aquilon Pharmaceuticals S.A. | Phase 2 |
| Completed | The Burden of COVID-19 Survivorship NCT04913129 | Mayo Clinic | N/A |
| Unknown | Study to Reinforce Immunity (STRI) Phase 2 Clinical Trial NCT05046561 | Eyecheck, Inc. | Phase 2 |
| Unknown | A Study of the Infection and Transmission of SARS-CoV-2 in Paediatric Patients NCT05137535 | University of Padova | — |
| Completed | A Real-world Evidence Study of BNT162b2 mRNA Covid-19 Vaccine in Brazil NCT05052307 | Hospital Moinhos de Vento | — |
| Unknown | GLS-5310 Vaccine in Healthy Volunteers for the Prevention of SARS-CoV-2 (COVID-19) NCT05085639 | GeneOne Life Science, Inc. | Phase 1 |
| Completed | The Impact of SARS-CoV-2 Rapid Antigen Testing Kit Screening in Bangkok Community NCT05047900 | Mahidol University | N/A |
| Unknown | Covid-19 Infection in After Vaccination NCT05033834 | Assiut University | — |
| Unknown | Medical Triage in a Time of Scarce Resources. NCT04982770 | University Hospital, Caen | N/A |
| Completed | Covid-19 Virtual Recovery Study NCT04950725 | Mayo Clinic | N/A |
| Withdrawn | Evaluation of Safety and Immunogenicity of a Novel Vaccine for Prevention of Covid-19 in Adults Previously Imm NCT05016934 | Hospital do Coracao | Phase 1 / Phase 2 |
| Completed | Hemostasis and Inflammation in COVID-19 Patients With Venous and Arterial Thrombotic Complications NCT05143567 | Ryazan State Medical University | N/A |
| Unknown | Prophylaxis of COVID-19 Disease With Ivermectin in COVID-19 Contact Persons [German: Prophylaxe Der COVID-19-E NCT05060666 | Infectopharm Arzneimittel GmbH | Phase 3 |
| Withdrawn | LB1148 for Pulmonary Dysfunction Associated With COVID-19 Pneumonia NCT04390217 | Leading BioSciences, Inc | Phase 2 |
| Withdrawn | Understanding Public Attitudes Towards the COVID-19 Vaccination NCT05023512 | University of Massachusetts, Worcester | N/A |
| Unknown | Novaferon in Non-hospitalized Adult Patients With Mild COVID-19 NCT05172037 | Genova Inc. | Phase 3 |
| Completed | Phase 2a MIB-626 vs. Placebo COVID-19 NCT05038488 | Metro International Biotech, LLC | Phase 2 |
| Completed | Evaluation of a Probiotic Supplementation in the Immune Response of Participants With COVID-19 (Coronavirus Di NCT04937556 | ProbiSearch SL | N/A |
| Unknown | Physical Activity and Smell Trainings to Help Individuals With Coronavirus Disease (COVID-19) Recover From Per NCT05037110 | Université de Montréal | N/A |
| Completed | A Phase III Confirmatory Study of K-237 NCT05056883 | Kowa Company, Ltd. | Phase 3 |
| Completed | COVID-19 Associated Endothelial Dysfunction Study NCT04773899 | University Hospital, Angers | N/A |
| Completed | RECOVAC Repeated Vaccination Study NCT05030974 | University Medical Center Groningen | Phase 4 |
| Completed | Study to Assess the Safety, Tolerability, Pharmacokinetics and Pharmacodynamics of Inhaled APN01 Developed as NCT05065645 | Apeiron Biologics | Phase 1 |
| Active Not Recruiting | Urine Alkalinisation in COVID-19 NCT04806061 | Guy's and St Thomas' NHS Foundation Trust | N/A |
| Completed | The Long Term Effects of COVID on Pulmonary Function NCT05077982 | Sciberras, Stephen M.D. | — |
| Completed | Long Term Outcome in ICU Treated COVID-19: New Chronic Diseases NCT05075096 | Uppsala University | — |
| Completed | Long Term Outcome in ICU Treated COVID-19: Return to Work NCT05054608 | Uppsala University | — |
| Completed | Long Term Outcome in ICU Treated COVID-19: Risk Factors for 1-year Mortality NCT05063747 | Uppsala University | — |
| Unknown | COVID-19 Immunologic Antiviral Therapy With Omalizumab NCT04720612 | McGill University Health Centre/Research Institute of the McGill University Health Centre | Phase 2 |
| 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 | Real World Study of COVID-19 in a Flyover Region NCT04962347 | Tulane University | — |
| Completed | Project FLUx COntact-CoVID-19 Faculty of Medicine Paris-Saclay NCT04991246 | Assistance Publique - Hôpitaux de Paris | N/A |
| Completed | Favipiravir +/- Nitazoxanide: Early Antivirals Combination Therapy in COVID-19 NCT04918927 | Coordinación de Investigación en Salud, Mexico | Phase 2 |
| Unknown | SPI-1005 Treatment in Moderate COVID-19 Patients NCT04484025 | Sound Pharmaceuticals, Incorporated | Phase 2 |
| Completed | ImmuneSense COVID-19 Variant Study NCT05054088 | Adaptive Biotechnologies | — |
| Completed | Text Message Nudges for COVID-19 Vaccination NCT05037201 | Mitesh Patel | N/A |
| Unknown | A Study to Determine Safety and Immunogenicity of the Candidate COVID-19 Vaccine AZD1222 Delivered by Aerosol NCT05007275 | Imperial College London | Phase 1 |
| Completed | Treatment of COVID-19 Positive/Negative Bangladeshi Adults With Severe Respiratory Complaints by a Locally Mad NCT05158842 | International Centre for Diarrhoeal Disease Research, Bangladesh | N/A |
| Completed | Factors Influencing the COVID-19 Vaccine Immune Response According to Age and Presence or Not of a Past Histor NCT05047718 | Centre Hospitalier Universitaire de Saint Etienne | Phase 4 |
| Completed | Impact of LA-CEAL HALT COVID-19 Ambassador Program on Likelihood to Vaccinate NCT04930965 | Tulane University | N/A |
| Unknown | Depression and Anxiety in Long Term Coronavirus Disease COVID-19 NCT04893668 | Hasanuddin University | — |
| Completed | Test to Stay in School: COVID-19 Testing Following Exposure in School Communities NCT05052580 | Duke University | N/A |
| Terminated | AT1001 for the Treatment of COVID-19 Related MIS-C NCT05022303 | Massachusetts General Hospital | Phase 2 |
| Unknown | Efficacy and Safety of Baricitinib in Patients With Moderate and Severe COVID-19 NCT05056558 | Incepta Pharmaceuticals Ltd | Phase 3 |
| Unknown | Development of an Artificial Intelligence System for Intelligent Pathological Diagnosis and Therapeutic Effect NCT05046366 | Union Hospital, Tongji Medical College, Huazhong University of Science and Technology | — |
| Withdrawn | A Study to Evaluate the Immunogenicity and Safety of the SARS-CoV-2 mRNA Vaccine CVnCoV in Elderly Adults Comp NCT04838847 | CureVac | Phase 3 |
| Active Not Recruiting | SARS-Cov-2 (COVID-19) Nasal Pharyngeal and Oral Pharyngeal Wash (SNOW) Trial NCT04802408 | Milton S. Hershey Medical Center | Phase 2 / Phase 3 |
| Withdrawn | Evaluation of the Efficacy, Safety and Immunogenicity of Inactivated COVID 19 Vaccine(TURKOVAC) in Healthy Pop NCT05035238 | Health Institutes of Turkey | Phase 2 |
| Unknown | Intensive Dose Tinzaparin in Hospitalized COVID-19 Patients NCT05036824 | University Hospital of Patras | — |
| Completed | LOnger-term Effects of COVID-19 INfection on Blood Vessels And Blood pRessure (LOCHINVAR) NCT05087290 | University of Glasgow | — |
| Withdrawn | Tranexamic Acid (TXA) and Corona Virus 2019 (COVID19) in Inpatients NCT04338126 | University of Alabama at Birmingham | Phase 2 |
| Terminated | Treatment of Pediatric Patients That Lost Sense of Smell Due to COVID-19 NCT04964414 | Amanda Stapleton | Phase 1 / Phase 2 |
| Terminated | A Study to Evaluate the Efficacy and Safety of Proxalutamide (GT0918) in Hospitalized COVID-19 Subjects NCT05009732 | Suzhou Kintor Pharmaceutical Inc, | Phase 3 |
| Completed | Aerosol Particle From EGD in Patients With and Without Head Box in COVID-19 Era NCT04981535 | King Chulalongkorn Memorial Hospital | N/A |
| Completed | Use of nMoABs for the Treatment of COVID-19 in Patients With HM. NCT04932967 | Gruppo Italiano Malattie EMatologiche dell'Adulto | — |
| Unknown | Vitamin D Supplementarion in Pregnant Women at Risk and COVID-19 NCT04825093 | Universidad de Granada | N/A |
| Unknown | Correlation Between Cycle Threshold (Ct) Values in COVID-19, Health Status and Laboratory Biomarkers in the Po NCT05067920 | Universidad de Antioquia | — |
| Completed | Efficacy of PJS-539 for Adult Patients With COVID-19. NCT05008393 | Hospital do Coracao | Phase 2 |
| Completed | SARS-CoV-2 (Covid-19) RBD Antibody in My Duc Hospital Healthcare Workers NCT05057910 | Mỹ Đức Hospital | — |
| Unknown | FLuticasone in cOvid Treatment (FLOT) NCT05054322 | University of Medicine and Pharmacy at Ho Chi Minh City | Phase 2 / Phase 3 |
| Completed | Prevention of COVID-19 Complications in High-risk Subjects Infected by SARS-CoV-2 and Eligible for Treatment U NCT04885452 | ANRS, Emerging Infectious Diseases | — |
| Unknown | Osteopathy and Physiotherapy Compared to Physiotherapy Alone on Fatigue and Functional Status in Long COVID NCT05012826 | Centro Universitário Augusto Motta | N/A |
| Recruiting | SARS-CoV-2 CTLS for Mild to Moderate COVID-19 Disease NCT04896606 | New York Medical College | Phase 1 / Phase 2 |
| Completed | Kidney Histopathology After COVID-19 and SARS-CoV-2 Vaccination NCT05043168 | University of Giessen | — |
| Suspended | Safety, Tolerability and Efficacy Of S-1226 in Moderate Severity Covid-19 Bronchiolitis/Pneumonia NCT04738136 | SolAeroMed Inc. | Phase 2 |
| Completed | Transfer of Infection Fighting Immune Cells Generated in the Laboratory to High Risk Patients With COVID-19 In NCT04765449 | Thomas Jefferson University | Phase 1 |
| Unknown | High-dose Intravenous Vitamin C (HDIVC) as Adjuvant Therapy in Critical Patients With Positive COVID-19. A Pil NCT05029037 | Hugo Galindo | Phase 3 |
| Terminated | COVID-19 3rd Dose Vaccine in Transplant Patients NCT05047640 | Giselle Guerra | Phase 3 |
| Completed | Combined Antihistaminics Therapy in COVID 19 Patients NCT05043350 | Ain Shams University | Phase 2 / Phase 3 |
| Completed | Risk Profiling of the Occupational Exposure of COVID-19 to Healthcare Workers. NCT04477213 | NMC Specialty Hospital | — |
| Completed | COVID-19 Immunogenicity of a Third Dose of mRNA-1273 Vaccine Among Cancer Patients NCT05054218 | H. Lee Moffitt Cancer Center and Research Institute | — |
| Completed | Study to Investigate the Treatment Benefits of Probiotic Streptococcus Salivarius K12 for Hospitalised Patient NCT05043376 | King Edward Medical University | N/A |
| Unknown | Semaglutide to Reduce Myocardial Injury in PATIents With COVID-19 NCT04615871 | Vladimír Džavík | Phase 2 |
| Completed | Safety and Immunogenicity Study of AdCLD-CoV19-1: A COVID-19 Preventive Vaccine in Healthy Volunteers NCT05047692 | Cellid Co., Ltd. | Phase 1 |
| Completed | Evaluation of the Safety and Immunogenicity of Influenza and COVID-19 Combination Vaccine NCT04961541 | Novavax | Phase 1 / Phase 2 |
| Completed | Reducing Spread of COVID-19 in a University Community Setting: Role of a Low-Cost Reusable Form-Fitting Fabric NCT04979858 | Georgia Institute of Technology | N/A |
| Unknown | Study to Evaluate the Efficacy and Safety of Colchicine Tablets in Patients With COVID-19 NCT05038449 | Shanghai Public Health Clinical Center | N/A |
| Terminated | Malaria as a Protection Factor Against Severe COVID-19 (Known as SARS-COV-2) in the Democratic Republic of Con NCT05012280 | Institute of Tropical Medicine, Belgium | — |
| Unknown | Safety and Immune Response of COVID-19 Vaccination in Patients With HIV Infection NCT05043129 | The Second Affiliated Hospital of Chongqing Medical University | — |
| Terminated | Safety and Efficacy of Intranasal Administration of Niclosamide (UNI91103) in Adults With Asymptomatic or Mild NCT04932915 | UNION therapeutics | Phase 2 |
| Unknown | Risk Factors and Characteristics of COVID 19 Infection in Patients With Haematological Diseases NCT04930731 | Assiut University | — |
| Completed | The Effect of Home-based Exercise on Functional Capacity of Covid-19 Survivor With Cardiovascular Comorbidity NCT05077943 | National Cardiovascular Center Harapan Kita Hospital Indonesia | N/A |
| Completed | COVID-19 Antibody Responses In Cystic Fibrosis: CAR-CF NCT05054582 | Medical University Innsbruck | — |
| Unknown | The Effect of the COVID-19 on Patient Preferences and Decision Making for Obstructive Urinary Stone Interventi NCT04924790 | Ankara Training and Research Hospital | — |
| Terminated | INvestigating TELmisartin Study NCT04715763 | University of Hawaii | Phase 2 |
| Withdrawn | Study About the Response to the Administration of a Third Dose of mRNA-1273 Vaccine (COVID-19 Vaccine Moderna) NCT04930770 | Maria Joyera Rodríguez | Phase 2 |
| Terminated | A Phase 2b Multi-Center, Randomized, Double-Blind, Placebo-Controlled Study, Evaluating Efficacy and Safety of NCT04922957 | Enlivex Therapeutics Ltd. | Phase 2 |
| Unknown | Containment Impact on Primary Care & Adverse Events Unrelated to COVID-19 in Older Patients and/or With Chroni NCT04907994 | Assistance Publique - Hôpitaux de Paris | — |
| Completed | Clinical Significance of Subclinical Myocardial Involvement in Recovered COVID-19 Patients Using Cardiovascula NCT04864899 | The University of Hong Kong | 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 |
| Withdrawn | Efficacy, Safety, and Immunogenicity of Vaccine Reimmunization With a Third Homologous Versus Heterologous Dos NCT05048940 | Instituto de Investigación Marqués de Valdecilla | Phase 3 |
| Withdrawn | BCG Against Covid-19 for Prevention and Amelioration of Severity Trial (BAC to the PAST) NCT04534803 | Harvard Medical School (HMS and HSDM) | Phase 3 |
| Terminated | Study to Evaluate the Effects of Tempol (MBM-02) in COVID-19 Patients. NCT04729595 | Adamis Pharmaceuticals Corporation | Phase 2 / Phase 3 |
| Withdrawn | Autologous Adipose-derived Stromal Vascular Fraction for Treatment of Post COVID-19 NCT06940765 | GID BIO, Inc. | N/A |
| Completed | Post Coronavirus Disease (COVID-19) Syndrome Indonesian Population NCT05060562 | Hasanuddin University | — |
| Terminated | A Study to Evaluate Change in Viral Load After OPN-019 in Adults With COVID-19 NCT05035576 | Optinose US Inc. | Phase 1 |
| Unknown | Long-term Effects of COVID-19: a Comparative Cohort Study NCT05002205 | KU Leuven | — |
| Completed | COVID-19 Antibody Responses in Cystic Fibrosis NCT04992234 | Vastra Gotaland Region | — |
| Withdrawn | IntraDermal Versus Intramuscular Comirnaty® Efficacy Study NCT05029245 | Department of Medical Services Ministry of Public Health of Thailand | Phase 3 |
| Unknown | Evaluation of Clinical and Antibody Response to Covid-19 Vaccination Strategy in TBRI, Egypt NCT05017792 | Samia Hassan El-Shishtawy | Phase 3 |
| Completed | EFFECTS OF INSPIRATORY MUSCLE TRAINING IN POST-COVID-19 PATIENTS NCT05493410 | University Vila Velha | N/A |
| Completed | Immunogenicity and Safety Study of SK SARS-CoV-2 Recombinant Nanoparticle Vaccine (GBP510) Adjuvanted With AS0 NCT05007951 | SK Bioscience Co., Ltd. | Phase 3 |
| Unknown | Andrographis Paniculata vs Boesenbergia Rotunda vs Control in Asymptomatic COVID-19 NCT05019326 | Mahidol University | Phase 3 |
| Completed | Clinical Trial of Niagen to Examine Recovery in People With Persistent Cognitive and Physical Symptoms After C NCT04809974 | Massachusetts General Hospital | Phase 4 |
| Unknown | SPI-1005 Treatment in Severe COVID-19 Patients NCT04483973 | Sound Pharmaceuticals, Incorporated | Phase 2 |
| Unknown | TOGETHER - Toronto: Trial to Evaluate the Effect of Peginterferon Lambda for the Treatment of COVID-19 NCT04967430 | University Health Network, Toronto | Phase 3 |
| Completed | The Lymphoma and Leukemia Society Amended COVID-19 Registry NCT04794387 | Blood Cancer United | — |
| Terminated | Dose-Finding, Safety, and Efficacy Study of XVR011 Added to Standard of Care in Patients Hospitalised for COVI NCT04884295 | ExeVir Bio BV | Phase 1 / Phase 2 |
| Completed | Vaccination for Recovered Inpatients With COVID-19 (VATICO) NCT04969250 | National Institute of Allergy and Infectious Diseases (NIAID) | Phase 4 |
| Active Not Recruiting | A Longitudinal Study on Longstanding Complicated Fatigue NCT04955587 | Stockholm University | — |
| Terminated | Human Intravenous Interferon Beta-Ia Safety and Preliminary Efficacy in Hospitalized Subjects With COVID-19 NCT04860518 | Faron Pharmaceuticals Ltd | Phase 2 |
| Completed | 'Long COVID-19' in Suffolk and North Essex: Defining the Disease and Optimising Outcomes NCT05156593 | East Suffolk and North Essex NHS Foundation Trust | — |
| Unknown | Gazelle COVID-19 Test Clinical Accuracy Protocol NCT04987918 | Hemex Health | — |
| Completed | Prospective COVID-19 Cohort Study, Dominican Republic NCT04898738 | Brigham and Women's Hospital | N/A |
| Unknown | The Influence of Education During Waiting Time of Vaccination on the Knowledge Towards COVID-19 Among Chinese NCT05033860 | Ningbo No. 1 Hospital | N/A |
| Terminated | DISulfiram for COvid-19 (DISCO) Trial NCT04485130 | University of California, San Francisco | Phase 2 |
| Completed | A Clinical Evaluation of Pine Trees Health Test System Including the Pine Trees Health Reader and COVID-19 Tes NCT05107258 | Pine Trees, Inc. | — |
| Unknown | TOcilizumab and Covid-19 : Risk of Severe INfection NCT05017441 | Fondation Hôpital Saint-Joseph | — |
| Completed | Safety and Immunogenicity Study of Recombinant Protein RBD Candidate Vaccine Against SARS-CoV-2 in Adult Healt NCT05007509 | Laboratorios Hipra, S.A. | Phase 1 / Phase 2 |
| Unknown | COVID-19 Vaccine Hesitancy and Dental Faculty Staff Members in Egypt NCT05009043 | Mariam Ayman Amin Sharaf | — |
| Unknown | Selenium as a Potential Treatment for Moderately-ill, Severely-ill, and Critically-ill COVID-19 Patients. NCT04869579 | CHRISTUS Health | Phase 2 |
| Withdrawn | Pilot Study to Evaluate the Safety, Tolerability, and Efficacy of 5-ALA-Phosphate + SFC as an Immune System En NCT04854876 | Royal College of Surgeons in Ireland - Medical University of Bahrain | N/A |
| Completed | Bacterial Surinfections in COVID-19 ICU Patients NCT04877808 | Jessa Hospital | — |
| Completed | Audio Vestibular Functions in COVID 19 Patients in Sohag Governate NCT04860193 | Sohag University | — |
| Unknown | Atorvastatin for Reduction of 28-day Mortality in COVID-19: RCT NCT04952350 | Mansoura University | Phase 3 |
| Completed | Study of PBI-0451 in Healthy Subjects. NCT05011812 | Pardes Biosciences, Inc. | Phase 1 |
| Terminated | Impact of the Coronavirus Disease 2019 (COVID-19) on Sperm Parameters NCT04937608 | Fertilys | — |
| Terminated | Efficacy of Montelukast in Mild-moderate Respiratory Symptoms in Patients With Long-COVID-19: NCT04695704 | Fundacio d'Investigacio en Atencio Primaria Jordi Gol i Gurina | Phase 3 |
| Completed | Cardiovascular, Pulmonary, and Integrative Functional Phenotypes in COVID-19 Survivors - Effect of Fenofibrate NCT05080192 | University of Pennsylvania | — |
| Completed | Pharmacokinetics of Voriconazole in Adult ECMO Patients NCT04868188 | University Hospitals, Leicester | — |
| Active Not Recruiting | Post Acute Sequelae of COVID-19 NCT04964115 | Vanderbilt University Medical Center | — |
| Unknown | Cough Sound Recordings to Understand COVID-19-like Symptom Progression to Understand COVID-19-like Symptom Pro NCT04989452 | ResApp Health Limited | — |
| Unknown | Detection of SARS-CoV-2 (COVID-19) by SERS Spectroscopy Combined With Artificial Intelligence NCT04786197 | Fondation Hôpital Saint-Joseph | — |
| Unknown | Low-field Magnetic Resonance Imaging of Pediatric COVID-19 NCT04990531 | University of Erlangen-Nürnberg Medical School | N/A |
| Completed | Optimisation of ASthma In Those With Uncontrolled Symptoms (OASIS) NCT04941001 | Guy's and St Thomas' NHS Foundation Trust | N/A |
| Completed | Efficacy of a Dietary Supplementation in Reducing Hospital Admissions for COVID-19. Randomized Clinical Trial NCT04751669 | Fundació Institut Germans Trias i Pujol | N/A |
| Completed | Booster Immunization Study of Recombinant SARS-CoV-2 Fusion Protein Vaccine (V-01) NCT05050474 | Livzon Pharmaceutical Group Inc. | Phase 1 |
| Completed | Phase III Clinical Trial of CinnaGen COVID-19 Vaccine (SpikoGen) NCT05005559 | Cinnagen | Phase 3 |
| Completed | Protecting With ARNI Against Cardiac Consequences of Coronavirus Disease 2019 NCT04883528 | Duke University | Phase 1 / Phase 2 |
| Recruiting | Outpatient Treatment With Anti-Coronavirus Immunoglobulin NCT04910269 | University of Minnesota | Phase 3 |
| Completed | Phase 1 Study of Intranasal PIV5 COVID-19 Vaccine Expressing SARS-CoV-2 Spike Protein in Healthy Adults and Ad NCT04954287 | CyanVac LLC | Phase 1 |
| Completed | ACTIV-6: COVID-19 Study of Repurposed Medications - Arm C (Fluticasone) NCT05736874 | Susanna Naggie, MD | Phase 3 |
| Completed | COVID-19 Methylene Blue Antiviral Treatment NCT05004805 | Irkutsk Scientific Center of the Siberian Branch of the Russian Academy of Sciences | Phase 2 |
| Withdrawn | S-Nitrosylation Therapy of COVID-19 NCT04528771 | James Reynolds | EARLY_Phase 1 |
| Completed | Essential Oils and Post COVID-19 Fatigue NCT04980573 | Nutraceuticals Research Institute | N/A |
| Unknown | Phase 3 Clinical Study Evaluating Nitric Oxide Nasal Spray (NONS) Efficacy To Treat and Prevent the Exacerbati NCT05012319 | Salmaniya Medical Complex | Phase 3 |
| Completed | Serologic Response to the SARS-CoV-2 (COVID-19) MRNA-1273 Vaccine in Select Subsets of Oncology Patients NCT04854980 | University of Rochester | — |
| Unknown | Collaborative Study to Evaluate Heterologous Vaccination Against Covid-19 in Argentina NCT04988048 | Ministry of Public Health, Argentina | Phase 2 |
| Completed | Cognitive Training in Survivors of Covid-19: A Randomized Trial NCT04956887 | Vanderbilt University Medical Center | N/A |
| Unknown | POC SARS-CoV-2 Diagnostic PCR Device Comparison to FDA Approved Reference PCR Test NCT04981769 | Anavasi Diagnostics | — |
| Completed | Short Term, High Dose Vitamin D Supplementation in Moderate to Severe COVID-19 Disease NCT04952857 | Post Graduate Institute of Medical Education and Research, Chandigarh | Phase 4 |
| Unknown | Acupuncture for Olfactory Dysfunction in Infected COVID-19 Patients NCT04959747 | Hong Kong Baptist University | N/A |
| Completed | Inspiratory Muscle Trainer and Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) COVID-19 Persisten NCT04919031 | Cairo University | N/A |
| Withdrawn | Cetirizine and Famotidine for COVID-19 NCT04836806 | Emory University | Phase 4 |
| Unknown | Anti COVID 19 Hyperimmune Intravenous Immunoglobulin (C-IVIG) Therapy for Severe COVID-19 Patients NCT04891172 | Dow University of Health Sciences | Phase 2 / Phase 3 |
| Completed | Early Application of Continuous Positive Airway Pressure in Coronavirus Patients at Risk of Obstructive Sleep NCT05934916 | Mansoura University | N/A |
| Unknown | Safety and Immune Response of COVID-19 Vaccination in Overweight People With Excessive BMI NCT05043272 | The Second Affiliated Hospital of Chongqing Medical University | — |
| Unknown | Safety and Immune Response of COVID-19 Vaccination in Patients With Basic Disease NCT05043246 | The Second Affiliated Hospital of Chongqing Medical University | — |
| Unknown | Quality of Life After COVID-19 Related Acute respIratory Distress Syndrome Among ICU Survivors Patients in Ita NCT04860687 | Azienda Sanitaria-Universitaria Integrata di Udine | — |
| Withdrawn | Study of Allogeneic Adipose-Derived Mesenchymal Stem Cells to Treat Post COVID-19 "Long Haul" Pulmonary Compro NCT04909892 | Sorrento Therapeutics, Inc. | Phase 2 |
| Unknown | Epidemiological Investigation of COVID-19 in Laos Using a One-Health Approach in Human and Animals NCT04716543 | ANRS, Emerging Infectious Diseases | — |
| Unknown | Evaluation of The Efficacy of Triazavirin Versus Oseltamivir in Egyptian Patients Infected With COVID-19 NCT04973462 | Ain Shams University | Phase 4 |
| Unknown | COVID-19 Pathophysiology of Long Term Implications NCT04813575 | King Faisal Specialist Hospital & Research Center | N/A |
| Unknown | Short-term Effect of COVID-19 Vaccine on Blood Pressure NCT05013931 | Chinese University of Hong Kong | — |
| Withdrawn | Corticosteroids for COVID-19 NCT04795583 | University of Alberta | Phase 3 |
| Unknown | Effect of COVID-19 Vaccine on Blood Pressure NCT05013177 | Chinese University of Hong Kong | — |
| Unknown | Assessment the Activity Value of Isotretinoin (13- Cis-Retinoic Acid ) in the Treatment of COVID-19 ( Isotreti NCT04353180 | Kafrelsheikh University | Phase 3 |
| Withdrawn | LLLT Treatment of Lung Inflammation in COVID-19 NCT04524715 | Ward Photonics LLC | N/A |
| Completed | The Effect of Virtual Reality Exercises on Patients With Post-COVID-19 Condition NCT04983394 | Cumhuriyet University | N/A |
| Completed | A Study to Evaluate Ampion in Patients With Prolonged Respiratory Symptoms Due to COVID-19 (Long COVID) NCT04880161 | Ampio Pharmaceuticals. Inc. | Phase 1 |
| Unknown | Remote Assessment of Lung Disease and Impact on Physical and Mental Health NCT05630599 | University College, London | — |
| Completed | Nutrition, Immunity, and Covid-19 in Obese People NCT04979065 | Indonesia University | Phase 2 |
| Unknown | SOLIDARITY Finland Long-COVID (Remdesivir Long-term Follow-up Study of COVID Patients) NCT04978259 | Clinical Urology and Epidemiology Working Group | Phase 4 |
| Completed | Balance Function in Patients Post Corona Virus Disease 2019 (COVID-19) NCT04914364 | Duke University | — |
| Active Not Recruiting | Pediatric COVID Outcomes Study (PECOS) NCT04830852 | Children's National Research Institute | — |
| Terminated | Estradiol and Progesterone in Hospitalized COVID-19 Patients NCT04865029 | Tulane University | Phase 2 |
| Completed | Use of Lung Ultrasound in Evaluating Physiological Response to Awake Self Proning NCT04855162 | Rush University Medical Center | — |
| Unknown | Changes in Physical Activity Status: Comparison of Older Adults With Versus Without a History of Covid-19 Infe NCT04958681 | Gulhane Training and Research Hospital | — |