| Recruiting | Microbial Cell-free Metagenomic Sequencing for Suspected Infections in Adult Immunocompromised Outpatients NCT07110636 | Karius, Inc. | N/A |
| Withdrawn | Nosocomial Influenza Surveillance of 2022 - 2027 Seasonal Period NCT05712759 | Hospices Civils de Lyon | — |
| Completed | Access MeMed BV Assay Clinical Study Collection Protocol - Infectious Adult and Pediatric Cohorts NCT06379061 | Beckman Coulter, Inc. | — |
| Completed | Development and Validation of (Bio)Sensors for the Identification of Pathogens NCT06548841 | University of Bologna | — |
| Completed | Xofluza-Wearables Feasibility-Study NCT06161454 | Children's Hospital of Philadelphia | Phase 4 |
| Completed | RCT of Vapendavir in Patients With COPD and Human Rhinovirus/Enterovirus Upper Respiratory Infection NCT06149494 | Altesa Biosciences, Inc. | Phase 2 |
| Recruiting | Xanthohumol and Viral Infections (XL) NCT06286657 | University of Vienna | N/A |
| Completed | Study to Evaluate Immunogenicity, Safety and Tolerability of Adjuvanted and Non-Adjuvanted H2N3 Influenza Vacc NCT05875961 | Seqirus | Phase 1 |
| Completed | Study to Evaluate Safety and Immunogenicity of Different Priming and Booster Regimens With Adjuvanted H5N8 and NCT05874713 | Seqirus | Phase 2 |
| Completed | Medicine-induced Cardiac Hemodialysis on COVID-19 NCT05711810 | Yang I. Pachankis | Phase 4 |
| Recruiting | Towards Novel BIOmarkers to Diagnose SEPsis on the Emergency Room NCT06178822 | Amsterdam University Medical Centers (UMC), Location Academic Medical Center (AMC) | — |
| Completed | A Phase 1/2 Study to Determine Safety and Immunogenicity of Two COVID 19 Vaccines VB10.2129 (RBD Candidate) an NCT05069623 | Nykode Therapeutics ASA | Phase 1 / Phase 2 |
| Unknown | Micro-hematology Analyzer for Viral/Bacterial Description NCT05090319 | RizLab Health, Inc. | — |
| Unknown | Efficacy and Safety of Longan Extract Spray (P80 Spray) in Volunteers With Coronavirus Disease 2019 (COVID-19) NCT04887233 | Chulalongkorn University | N/A |
| Completed | COVID-19 - SARS-CoV-2 Community Contamination in Children and Adults - Impact of Variants (Dyn3CEA - Nosocor P NCT04924842 | Hospices Civils de Lyon | — |
| Withdrawn | Use of Hypochlorous Acid as Prophylaxis in Health Personnel at High Risk of Infection by SARS-CoV 2 (COVID19) NCT04684550 | Hospital Universitario San Ignacio | Phase 2 / Phase 3 |
| Terminated | Predicting Severity and Disease Progression in Influenza-like Illness (Including COVID-19) NCT04664075 | Imperial College London | — |
| Completed | COVID-19 Infections and Mortality in Long-term Care Facilities During the First Wave NCT04782427 | Centre integre universitaire de sante et de services sociaux du Centre-Sud-de-l'Île-de-Montréal | — |
| Completed | COVID-19 - SARS-CoV-2 Community Contamination in Children and Adults (Dyn3CEA_Nosocor) NCT04664296 | Hospices Civils de Lyon | — |
| Unknown | Exercise Influence on COVID-19 NCT04624048 | University of Salamanca | — |
| Completed | COVID-19 - Multicentre Study on Nosocomial Transmission of SARS-CoV-2 Virus: an Ancillary Study (NOSO-COR IMMU NCT04637867 | Hospices Civils de Lyon | N/A |
| Completed | RNA Sequencing of Individual Versus Wastewater - SARS-CoV2 NCT05041764 | Centre Hospitalier Universitaire de Nice | — |
| Completed | The Epidemiology, Management, and the Associated Burden of Related Conditions in Alopecia Areata NCT04239521 | Momentum Data | — |
| Unknown | COVID-19 Serological Status of Hospital Staff Working or Not in the COVID-19 Sector NCT04481529 | University Hospital, Limoges | — |
| Completed | Comparison of Chest CT Findings Related to COVID-19 With RSNA and BSTI Guidelines NCT04754633 | Seyhmus Kavak | — |
| Completed | COVID-19 Anticoagulation in Children - Thromboprophlaxis (COVAC-TP) Trial NCT04354155 | Johns Hopkins All Children's Hospital | Phase 2 |
| Completed | Covid-19 and Prevention of Malnutrition After Confinement by Dentists NCT04386460 | Centre Hospitalier Universitaire de Nice | — |
| 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 | A Trial Investigating the Safety and Effects of Four BNT162 Vaccines Against COVID-19 in Healthy and Immunocom NCT04380701 | BioNTech SE | Phase 1 / Phase 2 |
| Completed | Prevalence of Covid-19 in Children Admitted to Paediatric Emergency Departments During the Pandemic Period in NCT04336761 | University Hospital, Lille | — |
| Completed | Predictive Biomarkers of Secondary Aggravation in Covid-19 Suspect Patient NCT04341792 | University Hospital, Lille | — |
| Completed | Early Risk Stratification of Patient Hospitalized for SARS-CoV2 Infection: Critical COVID-19 France CCF NCT04344327 | French Cardiology Society | — |
| Completed | TARGet Kids! COVID-19 Study of Children and Families NCT04449978 | The Hospital for Sick Children | — |
| Terminated | Proactive Protection With Azithromycin and hydroxyChloroquine in Hospitalized Patients With COVID-19 NCT04322396 | Chronic Obstructive Pulmonary Disease Trial Network, Denmark | Phase 2 |
| Unknown | COVID-19 Biological Samples Collection NCT04332016 | University Hospital, Bordeaux | — |
| Withdrawn | HCQ for Primary Prophylaxis Against COVID19 in Health-care Workers NCT04336748 | Medical University of Vienna | Phase 3 |
| Completed | Prognostic Significance of COVID-19 MSCT Chest Findings on Short Term Disease Progression NCT05235373 | Benha University | — |
| Completed | PREdiction of DIagnosed Covid-19 infecTion in IUC Patients NCT04327180 | University Hospital, Lille | — |
| Unknown | Evaluation of Immune Response in COVID-19 Patients NCT04438629 | Azienda Ospedaliera Universitaria Integrata Verona | — |
| Completed | COVID-19 - Multicenter Study on Nosocomial Transmission of SARS-CoV-2 Virus NCT04290780 | Hospices Civils de Lyon | — |
| Unknown | Clinical Characteristics of Coronavirus Disease 2019 (COVID-19) in Pregnancy: The Italian Registry on Coronavi NCT04315870 | Federico II University | — |
| Unknown | Clinical Characteristics of Coronavirus Disease 2019 (COVID-19) in Pregnancy NCT04319016 | Federico II University | — |
| Recruiting | Post Transplant Cyclophosphamide in Matched Unrelated Donor Stem Cell Transplantation for Hematological Malign NCT03818334 | Hospital Israelita Albert Einstein | Phase 2 / Phase 3 |
| Completed | biomArkers to differeNtiate bacTerial From vIral iNfEctions NCT03163628 | Hospices Civils de Lyon | N/A |
| Completed | High-dose Intravitreal Injection of Ganciclovir for the Treatment of CMVR in HIV-negative Patients NCT03598452 | Aier School of Ophthalmology, Central South University | N/A |