Clinical trials: Influenza Prevention, open to volunteers
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
Influenza, Influenza Prophylaxis
Oseltamivir and Baloxavir Marboxil for Prophylaxis Against Influenza Under a Hospital-based Setting
This study aims to randomly assign close contacts of hospitalized influenza virus patients to receive baloxavir marboxil prophylaxis, oseltamivir prophylaxis or no antiviral prophylaxis and monitor the incidence of clinical…
- Conditions
- Influenza, Influenza Prophylaxis, Nosocomial Infection
- Trial name
- NCT06762587
- Testing
- Baloxavir Marboxil, Oseltamivir
- Where
- China
- Volunteers
- 372 people, healthy volunteers welcome
- Sponsor
- Capital Medical University
Influenza Prevention, Seasonal Influenza
Evaluating the Dose, Safety, Tolerability, and Immunogenicity of Mosaic Hexavalent Influenza Vaccine VRCFLUMOS0116-00-VP (FluMos-v2) With and Without ALFQ Adjuvant in Healthy Adults
Background: Vaccines help the body learn to fight infections. Some vaccines are combined with adjuvants, which are added substances that make vaccines work better.
- Trial name
- NCT06863142
- Testing
- VRC-FLUMOS0116-00-VP, ALFQ
- Where
- United States
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)
Pneumococcal Polysaccharide Vaccine, Influenza Vaccines
Preoperative Pneumococcal and Influenza Vaccination to Prevent Postoperative Pulmonary Infection in Patients Undergoing Lung Resection for Pulmonary Nodules or Lung Cancer
Postoperative pneumonia (POP) affects 4%-24% of lung cancer surgery patients, increasing mortality, stay, costs and worsening prognosis, especially in older patients.
- Conditions
- Pneumococcal Polysaccharide Vaccine, Influenza Vaccines, Preoperative, Lung Resection Surgery
- Trial name
- NCT07885540
- Testing
- 23-valent pneumococcal polysaccharide vaccine, Quadrivalent split-virion influenza vaccine
- Volunteers
- 1,278 people, healthy volunteers welcome
- Sponsor
- The First Affiliated Hospital of Guangzhou Medical University
Influenza, Human, Influenza, Human Prevention
Phase III Clinical Trial of Quadrivalent Influenza Virus Split Vaccine
This is a randomized, blinded, active-controlled phase III clinical trial to evaluate the immunogenicity and safety of the Quadrivalent Influenza Virus Split Vaccine (QIV) in subjects (aged 3 years and above).
- Conditions
- Influenza, Human, Influenza, Human Prevention, Influenza a, Influenza B
- Trial name
- NCT06800950
- Testing
- QIV, QIV Control
- Where
- 3 sites in China
- Volunteers
- 4,400 people, healthy volunteers welcome
- Sponsor
- Institute of Medical Biology, Chinese Academy of Medical Sciences
Influenza, Community-acquired Pneumonia
Fluad vs. Fluzone High-Dose Vaccine Effectiveness Among Adults ≥65 Years
This study will evaluate the relative vaccine effectiveness of quadrivalent adjuvanted inactivated influenza vaccine (aIIV4) versus quadrivalent high-dose inactivated influenza vaccine (HD-IIV4) in preventing polymerase chain…
- Conditions
- Influenza, Community-acquired Pneumonia, Cardiovascular Events
- Trial name
- NCT06029933
- Testing
- Adjuvanted Quadrivalent Inactivated Influenza Vaccine (aIIV4), High-Dose Quadrivalent Inactivated Influenza Vaccine (HD-IIV4)
- Where
- United States
- Volunteers
- 1,500,000 people, healthy volunteers welcome
- Sponsor
- Kaiser Permanente
Influenza Prevention, Pandemic Influenza Prevention
Quadrivalent Influenza HA Stem Vaccine VRC-FLUMOS0122-00-VP (SteMos1) With and Without ALFQ Adjuvant in Healthy Adults
Background: Influenza (flu) is a contagious respiratory illness caused by viruses. Flu symptoms can range from mild to severe, and the illness can be fatal. Vaccines help the body learn to prevent or fight infections such as flu.
- Trial name
- NCT07111078
- Testing
- VRC-FLUMOS0122-00-VP, ALFQ
- Where
- United States
- Volunteers
- 56 people, healthy volunteers welcome
- Sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)
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
Healthy Participants
A Trial to Evaluate the Effect of CD388/MK1406 on the Immunogenicity of Fluzone® HD Vaccine (CD388.SQ.1.08/MK-1406-007)
Approximately one billion cases of seasonal influenza occur annually. Of these, 3 to 5 million illnesses are severe and responsible for up to 650,000 deaths per year (WHO 2025).
- Trial name
- NCT07300085
- Testing
- Fluzone® High-Dose (HD) influenza vaccine, MK-1406 Injection
- Where
- 2 sites in United States
- Volunteers
- 710 people, healthy volunteers welcome
- Sponsor
- Cidara Therapeutics Inc., a subsidiary of Merck & Co., Inc. (Rahway, New Jersey USA)
Influenza Prevention
Study to Assess the Prophylactic Efficacy and Safety of Sebaloxavir Marboxil Tablets/Oral Suspension for Influenza Prevention in Household Contacts Aged ≥2 Years.
This study is a randomized, double-blind, placebo-controlled phase III clinical trial. The trial participants include index participants (IP) and household contacts (HHC).
- Trial name
- NCT07730346
- Testing
- Sebaloxavir marboxil
- Where
- China
- Volunteers
- 858 people, healthy volunteers welcome
- Sponsor
- Nanjing Zenshine Pharmaceuticals
Influenza
Study to Assess the Efficacy and Safety of GP681 Versus Placebo for Postexposure Prophylaxis Against Influenza
Index patients who are infected with influenza virus (Q-PCR positive) can be treated with anti-influenza drugs if their influenza symptoms onset was within 48 hours of screening.
- Trial name
- NCT06574503
- Testing
- GP681 40mg, GP681 Simulant
- Where
- China
- Volunteers
- 748 people, healthy volunteers welcome
- Sponsor
- Jiangxi Qingfeng Pharmaceutical Co. Ltd.
Prevention of Influenza
Clinical Trial to Evaluate the Protective Efficacy and Safety of a Nasal Spray Live Attenuated Influenza Vaccine (LAIV) in Adults Aged 18-59 Years Post-Vaccination
A Clinical Trial to Evaluate the Protective Efficacy and Safety of a Nasal Spray Live Attenuated Influenza Vaccine (LAIV) in Adults Aged 18-59 Years Post-Vaccination
- Trial name
- NCT07133802
- Testing
- Test Group
- Volunteers
- 6,680 people, healthy volunteers welcome
- Sponsor
- Changchun BCHT Biotechnology Co.