| Recruiting | Phase III Clinical Study Evaluating the Safety, Pharmacokinetics, and Efficacy of JKN2301 Dry Suspension in Pe NCT07357051 | Joincare Pharmaceutical Group Industry Co., Ltd | Phase 3 |
| Completed | Study to Assess the Safety and Efficacy of ZX-7101A for Oral Suspension in Chinese Pediatric Participants 2 to NCT07095257 | Nanjing Zenshine Pharmaceuticals | Phase 3 |
| Not Yet Recruiting | Reducing Respiratory Virus Transmission in Bangladeshi Classrooms NCT06247059 | Stanford University | N/A |
| Completed | Study to Evaluate the Pharmacokinetics and Relative Bioavailability of Metabolites in Healthy Chinese Adult Ma NCT06841926 | Nanjing Zenshine Pharmaceuticals | Phase 1 |
| Terminated | Study to Assess the Safety and Efficacy of ZX-7101A in Children Aged 5-11 Years With Influenza NCT06669351 | Nanjing Zenshine Pharmaceuticals | Phase 3 |
| Recruiting | Dime La VerDAD: Verify, Debunk, and Disseminate NCT06417762 | University of Chicago | N/A |
| Completed | Study to Assess the Safety and Efficacy of ZX-7101A in Adolescents With Influenza NCT06099873 | Nanjing Zenshine Pharmaceuticals | Phase 3 |
| Completed | RCT of Vapendavir in Patients With COPD and Human Rhinovirus/Enterovirus Upper Respiratory Infection NCT06149494 | Altesa Biosciences, Inc. | Phase 2 |
| Unknown | Viral Infections and Airway Microbiome in Young Children With Cystic Fibrosis NCT06188988 | University Hospital, Antwerp | — |
| Active Not Recruiting | Effect of Respiratory Virus Infection on EmeRgencY Admission Study (EVERY Study) NCT05913700 | Institute for Clinical Effectiveness, Japan | — |
| Unknown | Clinical Evaluation of SARS-COV-2 (COVID-19), Influenza and RSV 8-Well MT-PCR Panel for In Vitro Diagnostics NCT05946538 | AusDiagnostics Pty Ltd. | N/A |
| Completed | The Technical and Operational Performance of the QuidelOrtho Savanna RVP4 Analyzer NCT05846360 | University of Wisconsin, Madison | — |
| Recruiting | Multi-Center Molecular Diagnosis and Host Response of Respiratory Viral Infections in Pediatric Transplant Rec NCT05550298 | Arkansas Children's Hospital Research Institute | — |
| Unknown | Xylitol Based Nasal Spray for COVID-19 Treatment NCT05618483 | Xlear, Inc | N/A |
| Unknown | Respiferon Project NCT06017310 | Hospices Civils de Lyon | — |
| Terminated | Zinc and Green Tea Extract for Community Respiratory Viral Infections NCT04898023 | University of Missouri-Columbia | Phase 2 |
| Completed | Pharmacokinetics and Bioequivalence of XC8 10 mg and 40 mg Tablets in Fasted Volunteers NCT05558462 | Valenta Pharm JSC | N/A |
| Completed | A Study to Evaluate the Safety and Efficacy of XC221 in Patients With Uncomplicated Influenza or Other Acute V NCT05544916 | Valenta Pharm JSC | Phase 3 |
| Completed | An Open Label Study in Adults to Test the Efficacy of Mitoquinone/Mitoquinol Mesylate to Prevent Severe Viral NCT05381454 | University of California, Los Angeles | Phase 1 / Phase 2 |
| Withdrawn | PREvent Viral Exposure and Transmission Study: a COVID-19 (SARS-CoV-2) PEP Study (PREVENT) NCT04842331 | Thirty Respiratory Limited | Phase 2 / Phase 3 |
| Unknown | Evaluation of the Detection Performance of the N Antigenemia of SARS-CoV-2 in the General Population for the D NCT05092607 | Assistance Publique - Hôpitaux de Paris | N/A |
| Active Not Recruiting | Wells and Enteric Disease Transmission NCT04826991 | Temple University | N/A |
| Completed | New Reusable Mask Design With Superior Filtration and Fit NCT04826809 | Mayo Clinic | N/A |
| Unknown | Transmission of Respiratory Viruses in Households in The Gambia: a Longitudinal Cohort Study (TransVIR) NCT05952336 | Medical Research Council Unit, The Gambia | — |
| Terminated | Predicting Severity and Disease Progression in Influenza-like Illness (Including COVID-19) NCT04664075 | Imperial College London | — |
| Completed | Prophylactic Treatment With Carragelose Nasal Spary to Prevent SARS-CoV-2, COVID-19, Infections in Health Care NCT04681001 | Marinomed Biotech AG | N/A |
| Completed | COVID-19 Prevention and Treatment in Cancer; a Sequential Multiple Assignment Randomised Trial; NCT04534725 | Peter MacCallum Cancer Centre, Australia | Phase 3 |
| Completed | The Evaluation of Cellular and Humoral Immunity to COVID-19 in Moscow Residents NCT04898140 | Moscow Department of Health | — |
| Completed | Reducing Acute Severe Respiratory Events in Health Care Workers During the Covid-19 Pandemic With OM85 NCT04496245 | The University of Queensland | Phase 3 |
| Active Not Recruiting | Vitamin D Supplementation in the Prevention and Mitigation of COVID-19 Infection NCT04482673 | Medical University of South Carolina | Phase 4 |
| Completed | Wells and Enteric Disease Transmission Trial (WET - Trial) NCT04258059 | Temple University | N/A |
| Unknown | Evaluation of Novel Diagnostic Tests for COVID-19 NCT04326387 | CCTU- Cancer Theme | — |
| Completed | Assessment of the Clinical Effectiveness of a Herbal Extract (Cretan IAMA) in Patients With Viral Respiratory NCT04705753 | University of Crete | Phase 2 / Phase 3 |
| Completed | COVID-19 Testing Sample Acquisition Throughput and Efficiency NCT04532411 | Massachusetts General Hospital | — |
| Completed | Home Testing of Respiratory Illness NCT04245800 | Evidation Health | — |
| Terminated | Test-and-treat for Influenza in Homeless Shelters NCT04141917 | University of Washington | Phase 4 |
| Completed | Pilot of Cohort of Households for Influenza Monitoring and Evaluation in Seattle NCT04141930 | University of Washington | Phase 4 |
| Completed | Kagocel® for the Prevention of ARVI and Influenza in Young People NCT04626622 | Nearmedic Plus LLC | — |
| Completed | Kagocel® for the Prevention of ARVI and Influenza in Adults Health Care Workers NCT04611061 | Nearmedic Plus LLC | — |
| Completed | Impact of Respiratory Viral Infections in Infants With Cystic Fibrosis. NCT02847156 | Hospices Civils de Lyon | N/A |
| Completed | Respiratory Viral Infections in Pediatric Transplantation NCT02260596 | Duke University | — |
| Completed | Severe Acute Respiratory Infections (SARI) in Belgium (2011-2020) NCT05620953 | Sciensano | — |