Clinical trials: Respiratory Tract Infections
Influenza, Human, Respiratory Tract Infections
A Study to Confirm Efficacy of a Single Dose of Baloxavir Marboxil in the Post-exposure Prophylaxis (PEP) of Influenza Virus Infection in Chinese Participants
The main purpose of the study is to evaluate the efficacy of a single dose of baloxavir marboxil compared with placebo in the PEP of influenza virus infection with respect to symptomatic, laboratory-confirmed influenza in…
- Conditions
- Influenza, Human, Respiratory Tract Infections, Post-exposure Prophylaxis
- Trial name
- Pearlstone (NCT07827599)
- Testing
- Baloxavir marboxil
- Where
- 8 sites in China
- Volunteers
- 325 people, healthy volunteers welcome
- Sponsor
- Hoffmann-La Roche
Oral Hygiene, Oral Health, Dental Plaque
Essential Oil Mouthwash - Oral Hygiene
Background Inadequate oral health can further compromise general health, particularly in elderly patients who are more susceptible to tooth loss, periodontal disease, and oral infections.
- Conditions
- Oral Hygiene, Oral Health, Dental Plaque, Respiratory Tract Infections (RTI)
- Trial name
- EOMOH-RCT (NCT07887074)
- Testing
- Essential oil mouthwash, Chlorhexidine gluconate alcohol-free mouthwash, Povidone-iodine alcohol-free mouthwash
- Where
- Taiwan
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- China Medical University, Taiwan
Lower Respiratory Tract Infection
Evaluate the Safety and Efficacy of Nirsevimab in Healthy Preterm and Term Infants in China
The purpose of this study is to evaluate the Safety and Efficacy of Nirsevimab, in Healthy Preterm and Term Infants in China
- Trial name
- CHIMES (NCT05110261)
- Testing
- Nirsevimab
- Where
- 30 sites in China
- Volunteers
- 800 people, healthy volunteers welcome
- Sponsor
- AstraZeneca
Respiratory Tract Infections (RTI), Mucosal Immunity
Fermented Milk Drink With Lacticaseibacillus Paracasei Strain Shirota Helps Triathletes With Cold-Like Symptoms Before and After a Race
This study aims to evaluate whether a fermented milk drink containing the probiotic strain Lacticaseibacillus paracasei strain Shirota (LCS), commonly found in Yakult®, can help reduce upper respiratory symptoms in triathletes…
- Conditions
- Respiratory Tract Infections (RTI), Mucosal Immunity, Systemic Inflammation, Depressive Disorder
- Trial name
- NCT06970964
- Where
- Brazil
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Federal University of São Paulo
Influenza Infection, Infections
Rechallenge With a Low Pathogenicity Avian H10N7 Influenza Virus in Healthy Human Volunteers Previously Challenged With H10N7 Influenza
Background: Influenza (flu) is a virus that can infect humans and animals. In humans, the flu can cause mild symptoms such as fever, cough, sore throat, runny nose, muscle aches, headaches, and fatigue.
- Conditions
- Influenza Infection, Infections, Respiratory Virus Infections, Respiratory Tract Infections
- Trial name
- NCT07215871
- Testing
- A/Mallard/Ohio-99/MM4/1989 H10N7
- Where
- United States
- Volunteers
- 33 people, healthy volunteers welcome
- Sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)
Common Cold, Upper Respiratory Tract Infection (URTI)
Effect of Immune X on Common Cold Incidence in Healthy Adults
The goal of this clinical trial is to learn if Immune X can help prevent common cold events in healthy adults who have a history of upper respiratory tract infections.
- Trial name
- CELFI (NCT07787130)
- Testing
- Immune X
- Where
- France
- Volunteers
- 160 people, healthy volunteers welcome
- Sponsor
- Givaudan France Naturals
Psychological, Stress
Psychological and Lifestyle Factors on Health Outcomes
Psychosocial and lifestyle factors in Army recruits likely contribute to increased susceptibility to infection and injury during basic Army training.
- Conditions
- Psychological, Stress, Immune Health, Vaccination
- Trial name
- NCT04780867
- Testing
- Delayed vaccination
- Where
- United Kingdom
- Volunteers
- 1,188 people, healthy volunteers welcome
- Sponsor
- Liverpool John Moores University
Respiratory Tract Infection, Smell Disorder
Longitudinal Deep Phenotyping of Central Mechanisms in Dysosmia: A Pilot Study Using Electrobulbogram (EBG), Functional MRI (fMRI), and Diffusion-Weighted Imaging (DWI)
Background: Loss of the sense of smell can seriously affect a person's quality of life. The ability to smell can be damaged by many factors, including illnesses, injuries, and exposure to toxic chemicals.
- Conditions
- Respiratory Tract Infection, Smell Disorder, Influenza, Rhinosinusitis
- Trial name
- NCT07149428
- Where
- United States
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- National Institute on Deafness and Other Communication Disorders (NIDCD)
Lower Respiratory Tract Infection
A Clinical Trial of V175 and V175A in Healthy Adults
Researchers are looking for new vaccines to prevent lower respiratory tract infections. A lower respiratory tract infection is an infection in the lower part of the airways and/or the lungs.
- Trial name
- NCT07855510
- Testing
- V175, V175A, Control Vaccine
- Volunteers
- 564 people, healthy volunteers welcome
- Sponsor
- Merck Sharp & Dohme LLC
COVID-19 Vaccines
A Study of COVID-19 Vaccine(s) in Children and Adults
The purpose of this study is to learn about the safety and effects of updated COVID-19 vaccines (called BNT162b2) in participants 5 Through 64 Years of Age with risk factors for Severe COVID-19, and Participants 65 Years of Age…
- Trial name
- NCT07798648
- Testing
- BNT162b2
- Where
- 14 sites in United States
- Volunteers
- 700 people, healthy volunteers welcome
- Sponsor
- BioNTech SE
Upper Respiratory Tract Infection (URTI)
Probiotics for Sustained Health
This randomized, double-blind, placebo-controlled pilot study will evaluate the effect of a probiotic supplement on upper respiratory tract infections (URTIs) in children aged 4-18 years with a history of recurrent URTIs.
- Trial name
- NCT07835100
- Testing
- Probiotic
- Where
- 2 sites in Italy
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- BioGaia AB
Gastrointestinal Infection, Respiratory Viral Infection
Wells and Enteric Disease Transmission Trial (WET - Trial)
Approximately 40 million people in the US are served by private wells, many of which are untreated. The investigators estimate that 1.29 million cases of gastrointestinal illness (GI) per year are attributed to consuming water…
- Trial name
- NCT04258059
- Testing
- Active household UV water treatment device, Inactive household UV water treatment device
- Where
- United States
- Volunteers
- 28 people, healthy volunteers welcome
- Sponsor
- Temple University
Influenza, Human, Infections
Study to Evaluate Immunogenicity, Safety and Tolerability of Adjuvanted and Non-Adjuvanted H2N3 Influenza Vaccines in Adults
This Phase 1, randomized, observer-blind, dose-ranging clinical study is evaluating 6 different formulations of MF59-adjuvanted and non-adjuvanted H2N3 influenza vaccine.
- Conditions
- Influenza, Human, Infections, Respiratory Tract Infections, Virus Diseases
- Trial name
- NCT05875961
- Testing
- Low dose A/H2N3c + standard dose MF59, Intermediate dose A/H2N3c + standard dose MF59, High dose A/H2N3c + standard dose MF59
- Where
- 7 sites in United States, Philippines
- Volunteers
- 600 people, healthy volunteers welcome
- Sponsor
- Seqirus
Diarrhea, Respiratory Tract Infections (RTI)
Impact Evaluation of Accelerating Climate-Resilient Water, Sanitation and Hygiene Services for Schools and Healthcare Facilities in Karamoja
Karamoja, in north-eastern Uganda, is among the most water-insecure regions in sub-Saharan Africa. Only 24 per cent of households can access the WHO-recommended 20 litres of water per person per day.
- Conditions
- Diarrhea, Respiratory Tract Infections (RTI), Menstrual Hygiene, Absenteeism
- Trial name
- NCT07823231
- Testing
- Climate-resilient school WASH infrastructure package, WASH and menstrual health capacity building and social and behaviour change package
- Where
- Uganda
- Volunteers
- 16,380 people, healthy volunteers welcome
- Sponsor
- Elijah Kipchumba
Anogenital Herpes, COVID-19
Viral Infections in Healthy and Immunocompromised Hosts
Background: Viral infections are an important cause of illness and death in hospitalized patients as well as outpatients. New strains of viruses may appear and infect both healthy people and those with weak immune systems.
- Conditions
- Anogenital Herpes, COVID-19, Herpes Labialis
- Trial name
- NCT01306084
- Where
- United States
- Volunteers
- 1,000 people, healthy volunteers welcome
- Sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)
Immunity, Respiratory Infection
Childhood Infection and Immunity Longitudinal Cohort
This prospective observational study will enroll approximately 1,200 children from birth through 7 years of age in Zhejiang Province, China.
- Conditions
- Immunity, Respiratory Infection, Asthma
- Trial name
- NCT07815925
- Where
- 2 sites in China
- Volunteers
- 1,200 people, healthy volunteers welcome
- Sponsor
- Zhejiang Provincial Center for Disease Control and Prevention
Respiratory Infections
Omega-Cold Supplementation With Free Fatty Acids for the Prevention of Respiratory Infections in Adults.
The purpose of this study is to investigate whether fish oil containing free fatty acids affects people's susceptibility to viral infections such as colds, influenza, and COVID-19, as well as the course of these illnesses.
- Trial name
- OmegaCold FFA (NCT07314593)
- Testing
- Omega-3 oil with 2% Free Fatty Acids, Vegatable oil
- Where
- Iceland
- Volunteers
- 400 people, healthy volunteers welcome
- Sponsor
- Landspitali University Hospital
COVID-19, SARS-COV-2 Infection
A Study to Learn About BNT162b2 (LP.8.1)-Adapted Vaccine Against SARS-CoV-2 in Children 5 Through 11 Years of Age That Are Considered at Higher Risk of Severe COVID-19
The purpose of this study is to learn about the safety, tolerability, and immunogenicity of an updated vaccine against COVID-19, called BNT162b2 (2025/2026 formulation).
- Trial name
- NCT07222384
- Testing
- BNT162b2 (2025/2026 formulation)
- Where
- 29 sites in United States, Puerto Rico
- Volunteers
- 344 people, healthy volunteers welcome
- Sponsor
- BioNTech SE
COVID-19 Vaccines
A Study to Learn About a COVID-19 Vaccine in Healthy Adults 18 Through 64 Years of Age
The purpose of this study is to learn about the safety and effects of an updated COVID-19 vaccine (called BNT162b2) in adults 18 to 64 years of age.
- Trial name
- NCT07730450
- Testing
- BNT162b2 Vaccine, Tdap Vaccine
- Where
- 5 sites in United States
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- BioNTech SE
Acute Respiratory Infections
Efficacy of Ultraviolet Germicidal Irradiation Devices to Reduce Respiratory Infections in Nursing Homes: Cluster Randomized Crossover Trial
RESPROTECT is a trial aimed at evaluating the effectiveness of upper room ultraviolet devices in reducing the frequency of severe respiratory infections in elderly nursing homes.
- Trial name
- RESPROTECT (NCT06569160)
- Testing
- Upper-room UVGI (Ultra-Violet Germicidal Irradiation)
- Where
- 12 sites in France
- Volunteers
- 1,687 people, healthy volunteers welcome
- Sponsor
- Centre Hospitalier Emile Roux