| Recruiting | Randomized Double-Blind Placebo-Controlled Trial EValuating Baricitinib on PERSistent NEurologic and Cardiopul NCT06631287 | Wes Ely | Phase 3 |
| Completed | Butterfly - Clinical Performance Study NCT05800158 | Thermo Fisher Scientific, Inc | — |
| Withdrawn | Safety, Tolerability, and Immunogenicity of Trivalent Coronavirus Vaccine Candidate VBI-2901e With E6020 Adjuv NCT05614245 | VBI Vaccines Inc. | Phase 1 |
| Completed | Phase II/III Randomized Clinical Trial of Booster Dose of COVID-19 (Recombinant, Inactivated) Vaccine NCT05354024 | Butantan Institute | Phase 2 / Phase 3 |
| Completed | Effect of a Vaccination Against COVID-19 on Monocyte Production of Oxygenated Derivatives. NCT05655351 | Centre Hospitalier Universitaire de Nīmes | EARLY_Phase 1 |
| Unknown | Recombinant COVID-19 Vaccine (CHO Cell, NVSI-06-09) Phase III Clinical Trial NCT05599516 | National Vaccine and Serum Institute, China | Phase 3 |
| Unknown | Immunogenicity, Efficacy and Safety Trial of the Convacell Vaccine in Healthy Volunteers Aged 18 Years and Old NCT05726084 | St. Petersburg Research Institute of Vaccines and Sera | Phase 2 / Phase 3 |
| Unknown | Safety, Tolerability, and Immunogenicity of Trivalent Coronavirus Vaccine Candidate VBI-2901a NCT05548439 | VBI Vaccines Inc. | Phase 1 |
| Unknown | Study of Tixagevimab/Cilgavimab and Regdanvimab Efficacy for Treatment of COVID-19 NCT05982704 | City Clinical Hospital No.52 of Moscow Healthcare Department | Phase 4 |
| Completed | Chlorpheniramine Nasal Spray to Accelerate COVID-19 Clinical Recovery in an Outpatient Setting: ACCROS-III NCT05886829 | Dr. Ferrer BioPharma | Phase 2 / Phase 3 |
| Unknown | Comparison of Clinical Outcome Among Vaccinated and Unvaccinated Coronavirus Disease Patients in Critical Care NCT05331742 | Civil Service Hospital of Nepal | — |
| Unknown | The Association of Gut Microbiota With COVID 19 Infection in Children NCT05303155 | Hallym University Kangnam Sacred Heart Hospital | — |
| Unknown | Prospective Monitoring of BNT162b2 Second Vaccination Booster Effects in Health Care Workers (HCW) NCT05516459 | Soroka University Medical Center | — |
| Completed | Convalescent Plasma Therapy for Hospitalized Patients With COVID-19 NCT05077930 | Tânia Portella Costa | Phase 2 |
| Completed | Chlorpheniramine Nasal Spray to Accelerate COVID-19 Clinical Recovery in an Outpatient Setting: ACCROS-I NCT05449405 | Dr. Ferrer BioPharma | Phase 2 / Phase 3 |
| Completed | The Impact of SARS-CoV-2 Rapid Antigen Testing Kit Screening in Bangkok Community NCT05047900 | Mahidol University | N/A |
| Unknown | Clinical Trial on Sequential Immunization of Recombinant COVID-19 Vaccine (CHO Cells,NVSI-06-08) and Inactivat NCT05069129 | National Vaccine and Serum Institute, China | Phase 1 / Phase 2 |
| Unknown | Protocol Design for Evaluating the Immunity of Bivalve Fluids From Anodonta Cygnea in SARS and COVID-19 NCT05054075 | Universidade do Porto | Phase 2 |
| Unknown | Clinical Trial on Sequential Immunization of Recombinant COVID-19 Vaccine (CHO Cells) and Inactivated COVID-19 NCT05033847 | National Vaccine and Serum Institute, China | Phase 2 |
| Completed | Study of the Immunogenicity, Safety and Tolerability of the Convacell Vaccine. NCT05156723 | St. Petersburg Research Institute of Vaccines and Sera | Phase 1 / Phase 2 |
| Completed | Clinical Trial of the COVID-19 Vaccine (Recombinant, Inactivated) in Brazil NCT04993209 | Butantan Institute | Phase 1 |
| Unknown | An Open Comprative Study of the Prophylactic Efficacy and a Non-comparative Study of the Immunogenicity and Sa NCT05407142 | Chumakov Federal Scientific Center for Research and Development of Immune-and-Biological Products | Phase 3 |
| Unknown | The Effectiveness of Respiratory Tele-rehabilitation After COVID-19 Pneumonia Related: a Randomized Controlled NCT05007457 | IRCCS Azienda Ospedaliero-Universitaria di Bologna | N/A |
| Completed | Health Communication to Influence COVID-19 Vaccination Intent and Message Propagation NCT05244356 | Clinical Research Centre, Malaysia | N/A |
| Completed | Follow-up of Covid-19 Long Term Sequelae NCT05097677 | Azienda Ospedaliera Universitaria Integrata Verona | — |
| Terminated | Antiseptic Mouthwash / Pre-Procedural Rinse on SARS-CoV-2 Load (COVID-19) NCT04409873 | University of California, San Francisco | Phase 2 |
| Active Not Recruiting | Establishment of a Biological Biobank of Subjects Vaccinated Against SARS-CoV-2 Infection (COVID-19) NCT05276388 | IRCCS San Raffaele | — |
| Completed | This is a Double-blind, Placebo-controlled, Randomized Study of the Tolerability, Safety and Immunogenicity of NCT05046548 | Chumakov Federal Scientific Center for Research and Development of Immune-and-Biological Products | Phase 1 / Phase 2 |
| Completed | CoViD-19 Patient in Reims University Hospital in March to April 2020 NCT04553575 | CHU de Reims | — |
| Terminated | Conestat Alfa in the Prevention of Severe SARS-CoV-2 Infection in Hospitalized Patients With COVID-19 NCT04414631 | University Hospital, Basel, Switzerland | Phase 2 |
| Recruiting | Study of the Incidence of SARS-CoV-2 Infection (COVID-19) NCT04429594 | Centre Hospitalier Universitaire de Nice | N/A |
| Unknown | Comparative Study of Hydroxychloroquine and Ivermectin in COVID-19 Prophylaxis NCT04384458 | Nucleo De Pesquisa E Desenvolvimento De Medicamentos Da Universidade Federal Do Ceara | N/A |
| Terminated | ANTIBODY-LEVEL BASED ANALYSIS OF COVID-19 CONVALESCENT SERUM (ABACCuS) NCT04432272 | Corewell Health East | Phase 2 |
| Completed | Arrhythmic Manifestations and Management in Hospitalized COVID-19 Patients NCT04465552 | Kansas City Heart Rhythm Research Foundation | — |
| Completed | A Study of Opaganib in Coronavirus Disease 2019 Pneumonia NCT04414618 | RedHill Biopharma Limited | Phase 2 |
| Completed | Functional Outcomes in COVID-19 Survivors and Use of a Digital Platform for Rehabilitation NCT04695301 | Hospital Israelita Albert Einstein | N/A |
| Completed | Covid-19 Triage Using Camera-based AI NCT04383457 | Vastra Gotaland Region | — |
| Unknown | Virgin Coconut Oil (VCO) as a Potential Adjuvant Therapy in COVID-19 Patients NCT04594330 | Gadjah Mada University | Phase 2 |
| Completed | Magnetic Resonance Imaging to Detect Signs of Viral Pneumonia in Patients With Coronavirus Infection. NCT04424355 | Research and Practical Clinical Center for Diagnostics and Telemedicine Technologies of the Moscow Health Care Department | — |
| Completed | Observational Program, Study the Preventive Efficacy of the BiVac Polio Vaccine Against the Incidence of Acute NCT05083039 | Chumakov Federal Scientific Center for Research and Development of Immune-and-Biological Products | — |
| Completed | Study of the Increase in ICU Beds Capacity During COVID-19 Pandemic in France NCT04420286 | Centre Hospitalier Universitaire de Nīmes | — |
| Withdrawn | Use of Hydroxychloroquine Alone or Associated for Inpatients With SARS-CoV2 Virus (COVID-19) NCT04361461 | Apsen Farmaceutica S.A. | Phase 3 |
| Terminated | Study of Immunomodulation Using Naltrexone and Ketamine for COVID-19 NCT04365985 | Corewell Health East | Phase 2 |
| Completed | ScreenNC, a Study to Determine the Number of Asymptomatic Individuals Who Have Antibodies to the Virus That Ca NCT04367740 | University of North Carolina, Chapel Hill | — |
| Completed | Colchicine Counteracting Inflammation in COVID-19 Pneumonia NCT04322565 | Azienda Ospedaliero-Universitaria di Parma | Phase 2 |
| Unknown | COVID-19 Ring-based Prevention Trial With Lopinavir/Ritonavir NCT04321174 | Unity Health Toronto | Phase 3 |
| Terminated | Will Hydroxychloroquine Impede or Prevent COVID-19 NCT04341441 | Henry Ford Health System | Phase 3 |
| Terminated | NO Prevention of COVID-19 for Healthcare Providers NCT04312243 | Massachusetts General Hospital | Phase 2 |
| Completed | sFlt1: a Biomarker of Organ Dysfunction in Critically-ill Patients With COVID-19? NCT04394195 | CHU de Reims | — |
| Completed | Compassionate Use of Opaganib in Patients With Coronavirus Disease 2019 (COVID-19) NCT04435106 | Shaare Zedek Medical Center | — |
| Unknown | Covid-19 and Diabetes in West of Algeria NCT04412746 | Laboratoire De Recherche Sur Le Diabete, Université de Tlemcen | — |
| Completed | Safety and Efficacy of Hydroxychloroquine Associated With Azithromycin in SARS-Cov-2 Virus (COVID-19) NCT04322123 | Hospital do Coracao | Phase 3 |
| Completed | Outcomes of Patients With COVID-19 in the Intensive Care Unit NCT04336345 | Instituto Nacional de Ciencias Medicas y Nutricion Salvador Zubiran | — |
| Completed | Safety and Efficacy of Hydroxychloroquine Associated With Azithromycin in SARS-CoV2 Virus (Coalition Covid-19 NCT04321278 | Hospital Israelita Albert Einstein | Phase 3 |
| Unknown | Investigating Effect of Convalescent Plasma on COVID-19 Patients Outcome: A Clinical Trial NCT04327349 | Mazandaran University of Medical Sciences | N/A |
| Recruiting | In-depth Immunological Investigation of COVID-19. NCT04327570 | Universitaire Ziekenhuizen KU Leuven | — |
| Completed | Audio Data Collection for Identification and Classification of Coughing NCT04326309 | HealthMode Inc. | — |
| Completed | Household Transmission Investigation Study for COVID-19 in Tropical Regions NCT04328129 | Institut Pasteur | N/A |
| Unknown | Escin in Patients With Covid-19 Infection NCT04322344 | University of Catanzaro | Phase 2 / Phase 3 |
| Completed | Methylprednisolone for Patients With COVID-19 Severe Acute Respiratory Syndrome NCT04323592 | University of Trieste | — |
| Terminated | Nitric Oxide Gas Inhalation Therapy for Mild/Moderate COVID-19 NCT04305457 | Massachusetts General Hospital | Phase 2 |
| Unknown | Acute Respiratory Failure and COVID-19 in Real Life NCT04307459 | University of Milan | — |
| Recruiting | COVID-19 Patients Characterization, Biobank, Treatment Response and Outcome Predictor NCT04318366 | Università Vita-Salute San Raffaele | — |
| Unknown | COVID-19: Healthcare Worker Bioresource: Immune Protection and Pathogenesis in SARS-CoV-2 NCT04318314 | University College, London | — |
| Completed | Post-exposure Prophylaxis / Preemptive Therapy for SARS-Coronavirus-2 NCT04308668 | University of Minnesota | Phase 3 |
| Unknown | Clinical Performance of the VivaDiag ™ COVID-19 lgM / IgG Rapid Test in Early Detecting the Infection of COVID NCT04316728 | Centro Studi Internazionali, Italy | N/A |
| Withdrawn | Nitric Oxide Gas Inhalation Therapy for Mild/Moderate COVID19 Infection NCT04290858 | Xijing Hospital | Phase 2 |
| Unknown | Coronavirus Disease 2019 (COVID-19) Study of Hospitalized Patients in Hong Kong NCT04325919 | Chinese University of Hong Kong | — |
| Unknown | Identifying Critically-ill Patients With COVID-19 Who Will Benefit Most From Nutrition Support Therapy: Valida NCT04274322 | Peking University Third Hospital | — |
| Completed | Bevacizumab in Severe or Critical Patients With COVID-19 Pneumonia NCT04275414 | Qilu Hospital of Shandong University | Phase 2 |
| Active Not Recruiting | French COVID Cohort NCT04262921 | Institut National de la Santé Et de la Recherche Médicale, France | — |
| Completed | The Efficacy of Lopinavir Plus Ritonavir and Arbidol Against Novel Coronavirus Infection NCT04252885 | Guangzhou 8th People's Hospital | Phase 4 |
| Completed | Humeral Shaft Fractures : Outcomes of Straight Percutaneous Intramedullary Nailing With Dynamic Distal Locking NCT06999018 | Centre Hospitalier de Saint-Denis | — |
| Completed | Seroprevalence of MERS-CoV IgG in Healthcare Workers NCT02497885 | Ewha Womans University Mokdong Hospital | — |