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Clinical trial condition

Respiratory Tract Infections

Explore clinical trials studying Respiratory Tract Infections. Study availability and eligibility vary by location and protocol.

9,597 public trials 647 recruiting studies
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Respiratory Tract Infections trial results

Completed

A Study to Evaluate the Safety, Reactogenicity, and Effectiveness of mRNA-1273 Vaccine in Adolescents 12 to <18 Years Old to Prevent COVID-19

NCT04649151

Conditions
COVID-19, Coronaviridae Infections, Coronavirus Infections, +10 more
Locations
  • Velocity Clinical Research - Banning Banning, California, United States
  • Paradigm Clinical Research La Mesa, California, United States
  • Altus Research - Hunt - PPDS Lake Worth, Florida, United States
  • Accel Research Sites - Nona Pediatric Center - ERN - PPDS Orlando, Florida, United States
View all 53 locations
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Completed

Study to Assess the Immune Response and the Safety Profile of a High-Dose Quadrivalent Influenza Vaccine (QIV-HD) Compared to a Standard-Dose Quadrivalent Influenza Vaccine (QIV-SD) in Europeans Adults 60 Years of Age and Older

NCT04024228

Conditions
Healthy Volunteers, Infections, Influenza Immunization, +6 more
Locations
  • Investigational Site Number 0560001 Ghent, Belgium
  • Investigational Site Number 0560002 Wilrijk, Belgium
  • Investigational Site Number 2500001 Gières, France
  • Investigational Site Number 2500004 Paris, France
View all 17 locations
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Completed

Nationwide Utilization of Danish Government Electronic Letter System for Confirming the Effectiveness of Behavioral Nudges in Increasing InFLUenza Vaccine Uptake Among Adults With Chronic Disease

NCT06600490

Conditions
Behavior, Behavior and Behavior Mechanisms, Infections, +7 more
Locations
  • Center for Translational Cardiology and Pragmatic Randomized Trials, Department of Cardiology, Copenhagen University Hospital - Herlev and Gentofte Hellerup, Capital Region, Denmark
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Completed

A Pragmatic Randomized Trial to Evaluate the Effectiveness of High-Dose Quadrivalent Influenza Vaccine vs. Standard-Dose Quadrivalent Influenza Vaccine in Older Adults

NCT05517174

Conditions
Infections, Influenza, Influenza, Human, +7 more
Locations
  • Center for Translational Cardiology and Pragmatic Randomized Trials, Department of Cardiology, Copenhagen University Hospital - Herlev and Gentofte Hellerup, Capital Region, Denmark
  • Danske Lægers Vaccinations Service Søborg, Denmark
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