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Home › Conditions › Respiratory Tract Infections

Respiratory Tract Infections

1 published article · Updated continuously

Clinical Trial Landscape

Clinical Trials for Respiratory Tract Infections

26 trials tracked for Respiratory Tract Infections: 7 in phase 3 or 4 and 4 with published results. The most-cited published study has 192 citations.

26Trials tracked
7Phase 3 & 4
0Recruiting
4With published results
Phase distribution
Phase 4 2 Phase 3 5 Phase 2 4 Other / NA 15
  1. Phase 3 Efficacy, Safety, and Immunogenicity of a Plant-Derived Quadrivalent Virus-Like Particles (VLPs) Influenza Vaccine in Adults Completed · 192 cited
  2. Phase 3 Efficacy of a Plant-derived Quadrivalent Virus-like Particle (VLP) Vaccine in the Elderly Completed · 192 cited
  3. Phase 3 Lot-to-lot Consistency of a Plant-Derived Quadrivalent Virus-Like Particles Influenza Vaccine in Healthy Adults Completed · 72 cited
  4. Phase 3 Efficacy of Antibiotics in Children With Acute Sinusitis: Which Subgroups Benefit? Completed · 40 cited
  5. Phase 4 Study to Evaluate the Safety and Clinical Efficacy of Augmentin® Extra Strength-600 in Children With Acute Otitis Media in India Completed
  6. Phase 4 Individualizing Treatment for Asthma in Primary Care Completed
Show 20 more trials
  1. Phase 3 A Phase 3 Study to Determine if RTB101 Prevents Clinically Symptomatic Respiratory Illness in the Elderly Completed
  2. Phase 2 A Study to Describe the Safety and Immunogenicity of a RSV Vaccine in Healthy Adults Completed
  3. Phase 2 Daily Vitamin D for Sickle-cell Respiratory Complications Completed
  4. Phase 2 A Study to Evaluate Safety and Immunogenicity of One or Two Booster Vaccinations With H5N6 Influenza Vaccine in Adults Primed With H5N1 Influenza Vaccine or Unprimed Completed
  5. Phase 2 A Study to Evaluate the Safety, Tolerability and Immunogenicity of an Investigational RSV Vaccine Candidate (Ad26.RSV.preF) in Adults 18 to 50 Years of Age, and RSV-seropositive Toddlers 12 to 24 Months of Age Completed
  6. N/A Novel Mucosal Correlates Of RSV Protection In Older Adults Completed
  7. N/A Patient Portal Flu Vaccine Reminders (5) Completed
  8. N/A Compliance And Safety Study In Children With Upper And Lower Respiratory Tract Infections Completed
  9. N/A Patient Portal Flu Vaccine Reminders_RCT 5 (LADHS) Completed
  10. N/A Measuring the Influence of Kefir on Children's Stools on Antibiotics (MILK) Completed
  11. N/A Study on Cefotaxime and Sulbactam Sodium for Injection (2:1) for Treatment of Respiratory and Urinary Tract Infection Completed
  12. N/A Patient Portal Reminder/Recall for Influenza Vaccination in a Health System- UCLA Portal R/R Influenza RCT 3 Completed
  13. N/A Evaluation of the Treatment With Klacid SR in Patients With Acute Tracheitis, Tracheobronchitis and Bronchitis, Acute Exacerbation of Chronic Bronchitis and Mild Community-acquired Pneumonia in Common Clinical Practice in Ukraine Completed
  14. N/A Improving Antimicrobial-Prescribing in Emergency Departments Completed
  15. N/A Patient Portal - Flu Reminder Recall Completed
  16. N/A Patient Portal Flu Vaccine Reminders (RCT 6) Completed
  17. N/A Rapid Diagnostics for Upper Respiratory Infections in the Emergency Department Completed
  18. N/A Probiotics and Infections in Conscripts in Military Service Completed
  19. N/A Patient Portal Reminder/Recall for Influenza Vaccination in a Health System- RCT 2 Completed
  20. N/A Acute Safety and Acceptability Study of Experimental Device RD19 for Protection From Human Respiratory Disease Pathogens Completed

Showing the 26 most-cited and recently-updated of 26 trials. Browse the full registry →

Trial data sourced from ClinicalTrials.gov. Counts describe the research landscape and are not a treatment recommendation. Informational only — not medical advice.

HCP Mode — summaries include clinical detail, trial data, and statistical outcomes.
Patient Mode — summaries use plain language, avoiding clinical jargon.
Meta-analysis links asthma, passive smoking, and frequent snacks to recurrent respiratory infections in preschoolers
Pediatrics Meta-analysis
Meta-analysis links asthma, passive smoking, and frequent snacks to recurrent respiratory infections in preschoolers Three habits that spark repeated colds in toddlers
A meta-analysis of observational studies involving 170,915 preschool children globally identified asthma (OR=3.26), passive smoking (OR=1.50…
Parents can lower their child's risk of repeated infections by managing asthma, keeping homes smoke-free, and limiting frequent snacking.
Apr 12, 2026