191 results · Page 1 of 8

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TrialConditionsStatusPhaseUpdatedMore infoNCT ID
A Study to Evaluate the Immune Response and Safety of a Vaccine Against Influenza in Adults 18-64 Years of AgeInfections, RNA Virus Infections, influenza, respiratory system disorder, respiratory tract infectious disorder, viral infectious diseaseRecruitingPhase 32026-10-09NCT07851246
Safety and Immunogenicity of Chimeric Hemagglutinin mRNA Vaccine CandidatesInfections, RNA Virus Infections, influenza, respiratory system disorder, respiratory tract infectious disorder, viral infectious diseaseNot yet recruitingPhase 12026-10-09NCT07703514
BPL-1357 Against H1N1 Influenza Virus ChallengeInfections, RNA Virus Infections, influenza, respiratory system disorder, respiratory tract infectious disorder, viral infectious diseaseRecruitingPhase 22026-10-09NCT07215858
Longitudinal Deep Phenotyping of Central Mechanisms in Dysosmia: A Pilot Study Using Electrobulbogram (EBG), Functional MRI (fMRI), and Diffusion-Weighted Imaging (DWI)COVID-19, Coronaviridae Infections, Infections, Neurologic Manifestations, Nidovirales infectious disease, Orthocoronavirinae infectious disease, Paraosmia, Pathological Conditions, Signs and Symptoms, RNA Virus Infections, Rhinosinusitis, Sensation Disorders, Signs and Symptoms, anosmia, depressive disorder, influenza, lung disorder, nasal disorder, nervous system disorder, otorhinolaryngologic disease, paranasal sinus disorder, pneumonia, respiratory system disorder, respiratory tract infectious disorder, rhinitis, sinusitis, viral infectious disease, viral pneumoniaRecruitingNot stated2026-10-09NCT07149428
pH1N1 Blinded Challenge StudyInfections, RNA Virus Infections, influenza, respiratory system disorder, respiratory tract infectious disorder, viral infectious diseaseRecruitingPhase 12026-10-09NCT07110532
Family Physician Nudges for Influenza Vaccination Among Older AdultsInfections, RNA Virus Infections, influenza, respiratory system disorder, respiratory tract infectious disorder, viral infectious diseaseNot yet recruitingNot applicable2026-10-08NCT07864597
Light-based Immunomodulation for Guarding Against Human Respiratory Tract InfectionsInfections, RNA Virus Infections, influenza, respiratory system disorder, respiratory tract infectious disorder, viral infectious diseaseRecruitingNot applicable2026-10-08NCT07610967
Mucosal and Systemic Immunity Correlates of Protection Against Influenza in Young Children, Aged 2-5 Years (MUSIC-Flu)Infections, RNA Virus Infections, influenza, respiratory system disorder, respiratory tract infectious disorder, viral infectious diseaseRecruitingNot stated2026-10-06NCT07861854
A Phase IV Study to Evaluate the Immune Responses of Subunit Influenza Vaccine in Healthy AdultsInfections, RNA Virus Infections, influenza, respiratory system disorder, respiratory tract infectious disorder, viral infectious diseaseRecruitingPhase 42026-10-02NCT07854392
Efficacy and Safety of Tozorakimab in Patients Hospitalised for Viral Lung Infection Requiring Supplemental OxygenCOVID-19, Coronaviridae Infections, Infections, Nidovirales infectious disease, Orthocoronavirinae infectious disease, RNA Virus Infections, Respiration Disorders, adult acute respiratory distress syndrome, influenza, lung disorder, pneumonia, respiratory system disorder, respiratory tract infectious disorder, severe acute respiratory syndrome, viral infectious disease, viral pneumoniaRecruitingPhase 32026-10-02NCT05624450
High vs. Standard Dose Influenza Vaccine in Adult SOT RecipientsInfections, RNA Virus Infections, influenza, respiratory system disorder, respiratory tract infectious disorder, viral infectious diseaseActive, not recruitingPhase 22026-10-02NCT04613206
Nosocomial Respiratory Virus InfectionCOVID-19, Coronaviridae Infections, Disease Attributes, Infections, Infections, Hospital, Nidovirales infectious disease, Orthocoronavirinae infectious disease, Pathologic Processes, Pathological Conditions, Signs and Symptoms, RNA Virus Infections, iatrogenic disease, influenza, lung disorder, nosocomial infection, pneumonia, respiratory system disorder, respiratory tract infectious disorder, viral infectious disease, viral pneumoniaRecruitingNot applicable2026-10-01NCT06643039
Clinical Outcomes and Pharmacotherapy Effectiveness in the VA Health Care System (COPE-VA)COVID-19, Coronaviridae Infections, Infections, Nidovirales infectious disease, Orthocoronavirinae infectious disease, RNA Virus Infections, influenza, lung disorder, pneumonia, respiratory system disorder, respiratory tract infectious disorder, viral infectious disease, viral pneumoniaRecruitingNot stated2026-09-30NCT06160128
Abbott ID NOW Point-of-Care TestingInfections, RNA Virus Infections, influenza, respiratory system disorder, respiratory tract infectious disorder, viral infectious diseaseRecruitingNot applicable2026-09-29NCT07846423
Influenza Vaccine Immunogenicity in Repeatedly Vaccinated Older AdultsInfections, RNA Virus Infections, influenza, respiratory system disorder, respiratory tract infectious disorder, viral infectious diseaseRecruitingPhase 42026-09-24NCT07838298
A Surveillance Study of Susceptibility to Baloxavir Marboxil in Pediatric Participants With Influenza and Transmission of Influenza to Household ContactsInfections, RNA Virus Infections, influenza, respiratory system disorder, respiratory tract infectious disorder, viral infectious diseaseRecruitingPhase 32026-09-24NCT06094010
High vs.Standard Dose Influenza Vaccine in Pediatric Solid Organ Transplant (SOT) RecipientsDisease Attributes, Infections, Pathologic Processes, Pathological Conditions, Signs and Symptoms, RNA Virus Infections, infectious disease, influenza, respiratory system disorder, respiratory tract infectious disorder, viral infectious diseaseRecruitingPhase 22026-09-24NCT05947071
Optimizing Lymphatic Pumping for Influenza Vaccine Responses in Vulnerable PopulationsInfections, RNA Virus Infections, influenza, respiratory system disorder, respiratory tract infectious disorder, viral infectious diseaseRecruitingNot applicable2026-09-23NCT07786467
Effect of Surgical Masks in Preventing Acute Respiratory InfectionsCOVID-19, Coronaviridae Infections, Infections, Nidovirales infectious disease, Orthocoronavirinae infectious disease, RNA Virus Infections, influenza, lung disorder, pneumonia, respiratory system disorder, respiratory tract infectious disorder, viral infectious disease, viral pneumoniaEnrolling by invitationNot applicable2026-09-23NCT07739446
Immune Responses to Dengue and SepsisFlaviviridae infectious disease, Flavivirus Infections, Infections, Inflammation, Mosquito-Borne Diseases, Pathologic Processes, Pathological Conditions, Signs and Symptoms, RNA Virus Infections, Sepsis, Systemic Inflammatory Response Syndrome, arbovirus infection, dengue disease, influenza, respiratory system disorder, respiratory tract infectious disorder, vector-borne disease, viral hemorrhagic fever, viral infectious diseaseRecruitingNot stated2026-09-23NCT07040202
Long-term Observation of Hemagglutinin and Neuraminidase Inhibition Antibody Titers After Influenza ChallengeInfections, RNA Virus Infections, influenza, respiratory system disorder, respiratory tract infectious disorder, viral infectious diseaseEnrolling by invitationNot stated2026-09-22NCT02511002
Screening for LID Clinical Studies Unit Healthy Volunteer ProtocolsFlaviviridae infectious disease, Flavivirus Infections, Infections, Mosquito-Borne Diseases, RNA Virus Infections, Zika virus infectious disease, arbovirus infection, influenza, respiratory system disorder, respiratory tract infectious disorder, vector-borne disease, viral infectious diseaseRecruitingNot stated2026-09-22NCT01386424
A Phase IV Clinical Trial of Influenza Vaccine (Split Virion), Inactivatedin (Anflu®) Pregnant Women (AnFLU-PREG)Infections, RNA Virus Infections, influenza, respiratory system disorder, respiratory tract infectious disorder, viral infectious diseaseNot yet recruitingPhase 42026-09-21NCT07832201
A Study to Confirm Efficacy of a Single Dose of Baloxavir Marboxil in the Post-exposure Prophylaxis (PEP) of Influenza Virus Infection in Chinese ParticipantsInfections, RNA Virus Infections, influenza, respiratory system disorder, respiratory tract infectious disorder, viral infectious diseaseNot yet recruitingPhase 32026-09-18NCT07827599
A Study on the Efficacy of a Vaccine Against Influenza in Adults ≥65 Years of AgeInfections, RNA Virus Infections, influenza, respiratory system disorder, respiratory tract infectious disorder, viral infectious diseaseRecruitingPhase 32026-09-18NCT07805707