| Not Yet Recruiting | RSV-Positive Children <5 Years Presenting to Pediatric Emergency Departments in Türkiye: TRUST-RSV NCT07346963 | Eskisehir Osmangazi University | — |
| Completed | Comparison of the User Experience of Four Nasal Aspirators in Infants NCT06816875 | Children's Hospital of Eastern Ontario | N/A |
| Completed | A Clinical Study to Determine the Safety and Efficacy of an Oral Supplementation of Bio-Immune®for Managing Up NCT06689995 | NovoBliss Research Pvt Ltd | N/A |
| Recruiting | Clinical Trial to Evaluate the Efficacy of Lacticaseibacillus Rhamnosus CRL1505 in the Prevention of Upper Res NCT07154992 | Bioithas SL | N/A |
| Completed | The Effects of Bio Gelee Royale Forte on Immune Health in Healthy Adults NCT06573814 | Medex d.o.o. | Phase 2 |
| Unknown | Effect of eHealth on AB Use of Children With Acute, Uncomplicated URTIs NCT06140446 | Max Nieuwdorp | N/A |
| Completed | The Efficacy of the 2023-2024 Updated COVID-19 Vaccines Against COVID-19 Infection NCT06065176 | Sarang K. Yoon, DO, MOH | Phase 4 |
| Unknown | A Study to Evaluate the Efficacy of EQ-778 on Upper Respiratory Tract Health Status in Healthy Adults NCT05835375 | Vedic Lifesciences Pvt. Ltd. | N/A |
| Completed | Walnut and Immunity Study NCT05915390 | Loma Linda University | N/A |
| Unknown | Discover the Immune Signature of Sepsis Caused by Acute Pulmonary Infection: A Cohort Study NCT05612893 | Capital Medical University | — |
| Completed | Bioequivalence Study of Azithromycin Capsule and Reference Formulation Sumamed * in Healthy Adult Subjects in NCT06149117 | Peking University People's Hospital | Phase 4 |
| Unknown | Effect of Aerosol Filtering on Infectious Diseases in Day Care NCT05569330 | Helsinki University Central Hospital | N/A |
| Unknown | Elderberry for Immune Support NCT05435144 | Nutraceuticals Research Institute | N/A |
| Unknown | Antiviral Activity of Oral Probiotics NCT05374070 | John Hale | N/A |
| Completed | Probiotic S. Salivarius K12 for the Prevention of Upper Respiratory Tract Infection in Nursery-age Children NCT05840926 | Liaquat University of Medical & Health Sciences | N/A |
| Unknown | Probiotic Supplementation in Children Affected by Upper Respiratory Infections NCT06052540 | Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico | N/A |
| Completed | Pharmacokinetics of Adrenaline After Administration of ARS -1 in Subjects With Upper Respiratory Tract Infecti NCT04930900 | ARS Pharmaceuticals, Inc. | Phase 1 |
| Completed | To Compare the Efficacy and Tolerability of A. Paniculata/A. Chilensis in Individuals With URTI NCT04955327 | Vedic Lifesciences Pvt. Ltd. | Phase 3 |
| Unknown | Qingfei Granule for the Treatment of the Pediatric Acute Upper Respiratory Tract Infection With Bacterial Infe NCT04479657 | Zhong Wang | EARLY_Phase 1 |
| Completed | The Effect of Synbiotics on the Upper Respiratory Tract Infection NCT04960878 | Huazhong University of Science and Technology | N/A |
| Completed | The Epidemiology, Management, and the Associated Burden of Related Conditions in Alopecia Areata NCT04239521 | Momentum Data | — |
| Completed | Examination of the Effectiveness of Nasal Irrigation Techniques in Infants With Nasal Congestion NCT06002594 | Sisli Hamidiye Etfal Training and Research Hospital | N/A |
| Unknown | A Registry Study of 100 Thousand Cases of Pediatric Patients on Reduning Injection（a Chinese Medicine Injectio NCT03461692 | China Academy of Chinese Medical Sciences | — |
| Completed | Evaluating a Host-response Based Diagnostic for Distinguishing Between Bacterial and Viral Etiology in Patient NCT03011515 | MeMed Diagnostics Ltd. | — |
| Completed | Diagnosing Respiratory Disease in Children Using Cough Sounds NCT02973282 | ResApp Health Limited | — |
| Completed | Respiratory Syncytial Virus Human Challenge in Healthy Adult Volunteers NCT02484417 | National Institute of Allergy and Infectious Diseases (NIAID) | Phase 1 |
| Completed | Comparison of Efficacy and Tolerability of Two Cough Syrups in Cough Due to Cold in Children. NCT01968434 | Clalit Health Services | Phase 4 |
| Completed | Effect of Supplementation With Vitamin D on the Acute Bronchitis Prevention During the First Year of Life NCT01875757 | Hospital Universitari Vall d'Hebron Research Institute | Phase 3 |
| Unknown | The Impact of a Short Intervention During RSV Prophylaxis on Influenza Vaccination Rate. NCT01985620 | Tel-Aviv Sourasky Medical Center | N/A |
| Terminated | The Effect of a Probiotic on Protection Against Upper Respiratory Tract Infections in Children NCT01935986 | Probi AB | Phase 2 |
| Completed | Evaluation of Efficacy and Safety of Tablets of Paracetamol, Dimethindene Maleate and Phenylephrine Hydrochlor NCT01448057 | Novartis | Phase 3 |
| Completed | Using Pneumococcal Vaccines in Combination for Maximum Protection From Ear and Lung Infections in First 3 Year NCT01735084 | Menzies School of Health Research | Phase 4 |
| Unknown | A Registry Study on Reduning（a Chinese Medicine Injection）Used in Hospitals in China NCT01824719 | China Academy of Chinese Medical Sciences | — |
| Completed | Reducing the Acute Care Burden of Childhood Asthma on Health Services in British Columbia NCT01326494 | University of British Columbia | Phase 4 |
| Terminated | A Clinical Trial Comparing Oseltamivir With Placebo And Zanamivir With Control As First Line Treatment For Hum NCT00979667 | Chinese University of Hong Kong | Phase 3 |
| Completed | Homeopathic Cold Medicine for Children NCT00858494 | University of Washington | N/A |
| Completed | Combined Vitamins and Minerals Decrease Incidence of Upper Respiratory Tract Infections in Older Persons NCT01484756 | Trisakti University | Phase 3 |
| Completed | Oseltamivir Randomised Controlled Efficacy Trial NCT00707941 | International Centre for Diarrhoeal Disease Research, Bangladesh | Phase 3 |
| Completed | RI-001 in Immunosuppressed Respiratory Syncytial Virus (RSV) Infected Patients at Risk of Lower Tract RSV Illn NCT00632463 | ADMA Biologics, Inc. | Phase 2 |
| Unknown | Montelukast as Prophylaxis for Upper Respiratory Tract Infections in Children: a Randomised, Double-blind, Pla NCT00551382 | Assaf-Harofeh Medical Center | Phase 3 |
| Completed | A Trial Of Azithromycin SR For The Treatment Of Laryngopharyngitis or Tonsillitis or Acute Bacterial Rhinosinu NCT00393835 | Pfizer | Phase 3 |
| Completed | Translating Clinicians' Beliefs Into Implementation Interventions (TRACII) NCT00376142 | Newcastle University | N/A |
| Withdrawn | A Study of Vapendavir Treatment of Hematopoietic Stem Cell Transplant Subjects With Symptomatic Rhinovirus Inf NCT03024177 | Vaxart | Phase 2 |