Clinical Trials for Flu

Source: ClinicalTrials.gov — U.S. National Library of Medicine — A database of privately and publicly funded clinical studies conducted around the world (U.S. National Library of Medicine, public domain).

This page lists clinical trials related to Flu from the ClinicalTrials.gov database.

Trial Summary

• Total studies: 50
• Recruiting: 14
• Active, not recruiting: 4
• Completed: 19
• Other: 13

Results are refreshed periodically and may not reflect the most current information available from ClinicalTrials.gov.

Recruiting Trials

NCT01386424 — Screening for LID Clinical Studies Unit Healthy Volunteer Protocols

Background:

• The Laboratory of Infectious Diseases (LID) Clinical Studies Unit (CSU) enrolls healthy volunteers into clinical studies to study infectious diseases.
• Viruses can be highly infectious and contagious. They cause considerable illness in the United States each year and a good example of this is influenza (the flu). The LID CSU performs clinical studies to learn about these viral i…

NCT04175431 — Prostate Specific Membrane Antigen (PSMA) or (FACBC) PET/CT Site-Directed Therapy for Treatment of Prostate Cancer, Flu-BLAST-PC Study

This phase II trial studies how well prostate specific membrane antigen (PSMA) or fluciclovine positron emission tomography (PET)/computed tomography (CT) site-directed therapy works for treating patients with prostate cancer. PSMA or fluciclovine PET/CT may detect prostate cancer early and may help to show whether patients benefit from site directed treatment to PET detected abnormalities.

NCT05384288 — Response to Influenza Vaccination in Pediatric Oncology Patients

Influenza infection occurring during oncologic treatment or following hematopoietic cell transplantation (HCT) is associated with increased risk of morbidity in the form of lower respiratory tract infection (LRTI) and mortality relative to otherwise healthy patients. The study participants have been diagnosed with a hematological malignancy and are eligible to receive the current seasonal influ…

NCT04772170 — Observational Digital Biomarker Discovery in Respiratory Virus Challenge Studies

Background:

Respiratory viruses circulate throughout the year and around the globe. Wearable and sensor devices, like smartwatches, may be able to help monitor infectious diseases. Researchers want to use them to learn how respiratory viruses affect people in different ways.

Objective:

To use digital devices to collect data from participants in challenge studies that could indicate subtle ch…

NCT06684379 — Study on Safety and Efficacy of Two Doses of PRS CK STORM in the Modulation of the Cytokine Storm in Patients With Acute Respiratory Infection Caused by SARS-Cov-2, Influenza A, Influenza B and Respiratory Syncytial Virus (RSV)

The purpose of this clinical trial is to evaluate the safety, tolerability and efficacy of two doses (dose A and dose B) of Standardized Conditioned Medium Obtained by Coculture of M2-macrophages and fat-derived Mesenchymal Stromal Cells (PRS CK STORM) in the modulation of the cytokine storm in participants with acute respiratory infection caused by SARS-Cov-2, influenza A, influenza B and resp…

NCT06807840 — Flu Infection at UPHS

Cellular and humoral immune responses in individuals with active influenza infection will be assessed. Each year, up to 50 participants will be enrolled. The investigators hypothesize that influenza infection will elicit mostly memory immune responses rather than de novo immune responses to infection.

NCT07396428 — Effectiveness and Implementation of a National Guideline for Acute Respiratory Tract Infections to Reduce Antibiotic Prescribing in Swiss Primary Care

The ImpProGUIDE study aims to find out whether implementing new Swiss national guidelines for acute respiratory infections (ARI) can help to reduce antibiotic prescribing in primary care. In Switzerland, most antibiotics are prescribed in outpatient care, and many of these prescriptions may not be needed - especially when infections are caused by viruses, which antibiotics do not treat. Reducin…

NCT07645534 — Safety and Pharmacokinetics of Ingavirin Forte, Capsules, 90 mg + 20 mg (Valenta Pharm JSC, Russia) Compared With Ingavirin, Capsules, 90 mg, Under Fasting and Fed Conditions.

This study aims to evaluate the safety and pharmacokinetic profile of the active ingredients Ingavirin forte, capsules, 90 mg + 20 mg (Valenta Pharm JSC, Russia) relative to single-entity Drug Ingavirin, capsules, 90 mg following administration under fasting and fed conditions.

NCT07111078 — 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. Some vaccines are combined with adjuvants. Adjuvants are special salts or fats that help vaccines work better. Researchers are looking for ways to make flu vaccines m…

NCT07110532 — pH1N1 Blinded Challenge Study

This protocol describes a clinical trial to develop and validate a Controlled Human Infection Model (CHIM) for influenza A/Arkansas/08/2020 (pH1N1). The study is designed to determine the optimal infectious dose of the pH1N1 challenge strain for use in future clinical trials evaluating influenza countermeasures. The study will enroll and challenge adult volunteers with the pH1N1 influenza virus…

NCT07464314 — A Study on the Safety and Immune Response of Investigational mRNA Seasonal Flu/COVID-19 Combination Vaccine in Adults

This early-stage study will look at a new mRNA vaccine that combines defenses against both seasonal flu and COVID-19 in terms of its safety and how it builds protection. Healthy adults aged 65 to 85 will receive different doses of this new vaccine, a standard flu vaccine, or COVID-19 vaccine. The study will assess any side effects or health issues, and additional blood samples will be collected…

NCT07633288 — A Clinical Trial Evaluating the Safety and Efficacy of AP1189 Versus Placebo as an add-on to Standard of Care in Participants With Respiratory Insufficiency Expected to be Caused by Infection With Respiratory Viruses

A clinical study to evaluate the efficacy and safety of once daily oral dosing of 100 mg AP1189 or placebo administered for 14 days, as an add-on to standard of care (SOC) in participants with respiratory insufficiency expected to be caused by respiratory viral infection.

NCT07626437 — Fixed-dose Combination of 1000 mg Dipyrone Monohydrate + 60 mg Caffeine + 4 mg Chlorpheniramine Maleate in Improving Symptoms of the Common Cold and Flu in Adults

Phase III clinical trial to evaluate the efficacy and safety of a fixed-dose combination of 1000 mg dipyrone monohydrate + 60 mg caffeine + 4 mg chlorpheniramine maleate in improving symptoms of the common cold and flu in adults.

NCT07215858 — BPL-1357 Against H1N1 Influenza Virus Challenge

Background:

Influenza (flu) infections are a serious global health threat. Each year, between 3 and 5 million people get the flu, and up to 500,000 die from it. Current vaccines protect against seasonal flus, but broader vaccines are needed to protect against potential flu pandemics.

Objective:

To test an experimental flu vaccine.

Eligibility:

Healthy people aged 18 to 55 years.

Design:

…

Active, Not Recruiting

NCT04499534 — BRCA1/2 Flu Vaccine

To evaluate immune function in BRCA1/2 mutation carriers without cancer, specifically to determine whether immune function in healthy individuals with germline loss of function BRCA1/2 mutations, impacts overall immune health and fitness.

NCT07508189 — Communication Intervention to Improve Influenza Vaccination Rates Among Elderly in Can Tho

This study evaluates the effectiveness of a multi-component community-based communication intervention to increase influenza vaccination rates among adults aged above 65 years in Can Tho City, Vietnam. Using a cluster randomised controlled trial design with stratified lottery randomisation, four study sites were selected from eight sites surveyed in a prior study: O Mon Ward and Truong Thanh Co…

NCT07159763 — A Study to Evaluate the Safety and Efficacy of CD388 for Prevention of Influenza

The purpose of this study is to evaluate how well CD388 works in preventing symptomatic laboratory-confirmed influenza infections, as compared to placebo, when given as a single dose via 3 subcutaneous (SQ) injections to adult and adolescent participants who are at higher risk of developing influenza complications, and to evaluate the safety and tolerability of CD388, as compared to placebo.

NCT07365826 — A Clinical Study to Evaluate the Safety, Tolerability, and Immunogenicity of VAX-31 With Influenza Vaccine in Adults ≥ 50 Years of Age

This is a Phase 3, randomized, double-blind study to evaluate the safety and immunogenicity of VAX-31 and seasonal influenza vaccine in pneumococcal-naïve adults ≥ 50 years when the two vaccines are administered at the same visit or separately.

Not Yet Recruiting

NCT07599449 — Virological Surveillance of Acute Respiratory Infection in Primary Health Care in Metropolitan France

Every year in the fall and winter, numerous respiratory viruses (such as influenza viruses, SARS-CoV-2 (COVID-19), RSV, rhinovirus, and metapneumovirus) circulate in mainland France, causing acute respiratory infections (ARIs). These viruses can cause epidemics of varying severity, requiring close monitoring to determine their circulation levels and adapt public health measures accordingly. In …

NCT07633366 — BALance: ARDS Deconvolution by Bronchoalveolar Lavage Multiomics and Radiomics

Acute respiratory distress syndrome (ARDS) is a major contributor to ICU mortality and is characterised by hypoxaemia and pulmonary oedema. Pathomechanisms include barrier breakdown, immunopathology, haemostatic derailment and dysbiosis; however, the actual sequence of events and how they cumulatively lead to lung failure remains unclear. Although ARDS is frequently triggered by pneumonia, it c…

NCT07640841 — Health Economic Evaluation of Influenza and Pneumococcal Vaccination in COPD Patients

This is a multicenter, open-label, blank-controlled clinical trial to evaluate the impact of influenza vaccination and pneumococcal vaccination on disease progression and medical burden in COPD patients aged 45-80 years, as well as the safety and immunogenicity of vaccination. COPD patients aged 45-80 years are recruited. On the basis of informed consent and voluntary participation, influenza a…

NCT07642648 — A Novel Cold and Flu Herbal Blend for Reducing the Duration and Severity of the Common Cold

The aim of this study is to evaluate the efficacy of a Novel Herbal Cold & Flu Blend in reducing the duration of symptoms of the common cold. The secondary objective is to assess whether the investigational product reduces the severity of symptoms. Participants will be enrolled for 16 weeks, during this period they will take the assigned study product when they experience URTI symptoms.

NCT07643688 — Expression of Inflammatory Markers in the Course of Acute Respiratory Viral Infections

Respiratory viral infections caused by influenza, respiratory syncytial virus (RSV), and SARS-CoV-2 remain major causes of morbidity, hospitalization, and mortality among older adults worldwide. Current antiviral therapies have limited effectiveness and generally require administration within the first 48 hours after symptom onset. Increasing evidence suggests that the programmed death receptor…

NCT07687719 — Chatbot-delivered Theory-based Online Intervention in Increasing Seasonal Influenza Vaccination Uptake Among Children Aged 3-6 Years

This randomized controlled trial will compare the efficacy of a Chatbot-delivered stage-of-change-tailored online intervention versus a Chatbot-delivered non-stage-of-change-tailored online intervention for mothers in increasing seasonal influenza vaccination uptake of their children aged 3-6 years. Mothers of children aged 3-6 years will be randomized evenly into either the intervention or the…

NCT07673250 — Personalized Ventilator Settings for Patients on ECMO

While mechanical ventilation can be used to sustain life in those with lung injury, it, can further worsen lung injury or prevent lung healing resulting in high morbidity and mortality as seen in Acute Respiratory Distress Syndrome (ARDS).

Using extracorporeal membrane oxygenation (ECMO), the highest level of life support also known as the heart-lung machine, investigators may minimize injury …

NCT07644546 — Immunogenicity of MF59-adjuvanted Versus High-dose Influenza Vaccine in People With HIV: a Randomized Clinical Trial

Seasonal influenza causes morbidity in people with impaired immunity, including adults with elder ages and other comorbidities [1]. Standard-dose inactivated influenza vaccines (IIV) may induce lower hemagglutination inhibition (HAI) titers and more rapid waning in these groups. High-dose IIV could generate higher and more durable serological responses, including HAI, B-cell activation and an…

Enrolling by Invitation

NCT07651761 — Patient-Centered Practical Vaccine Talk For Busy Clinicians

The goal of this study is to assess the effect of an educational intervention for primary care providers (PCPs) on influenza and COVID-19 vaccine uptake among their adult patients through a pragmatic, cluster randomized trial in primary care clinics.

NCT07149428 — 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. The effects can vary, including complete loss of smell, partial loss, and parosomia, which is when things smell differently than they should.

Objective:

To study how brain function changes …

NCT07678619 — Smart Analysis and Decision-Making for Emerging Infectious Diseases

Emerging infectious diseases, such as COVID-19, mpox, and dengue fever, are characterized by rapid transmission, wide impact, and high uncertainty, posing ongoing threats to global public health. While China achieved significant success in COVID-19 control, the response also revealed key challenges, including fragmented information, delayed risk perception, experience-dependent assessment, and …

Completed Trials

NCT01191853 — Cellular and Molecular Characterization of the Immune Response in Healthy NIH Employees atBaseline, and After Immunization With the H1N1 or Seasonal Influenza Vaccines

Background:

- Seasonal influenza is a major health problem whose impact is typically reduced by vaccination. The H1N1 (swine flu) influenza virus is an emerging pathogen that has the potential to cause devastating illness and even death in the coming months. Currently, there are limited data on the cellular and molecular immune responses in adult recipients of either the seasonal or the H1N1 …

NCT03641690 — Serum and Bronchoalveolar Inflammatory Parameters in Patients With Severe Adult Respiratory Distress Syndrome

Mannose-binding lectin (MBL) plays an important role in the innate immune response. In addition to activating the complement, MBL can induce cytokine production and contribute to a deleterious inflammatory response with severe A(H1N1)pdm09 virus infection. The aim was to determine if serum MBL levels correlate with the risk of mortality in intensive care units (ICU) patients with A(H1N1)pdm09 i…

NCT04288921 — Evaluation of Performance of the LumiraDx Influenza A/B + RSV Test at POC Testing Sites

A Multicenter Study Conducted to Evaluate the Performance of the LumiraDx Influenza A/B + RSV Test at Point of Care Testing Sites

NCT04782336 — Sample Collection Study to Aid Evaluation of an Influenza A/B, Respiratory Syncytial Virus & COVID-19 Virus POC Test

Collection of Nasal Swabs, Throat Swabs and Saliva Samples from patients presenting at their designated care or testing facility displaying symptoms of either Influenza, Respiratory Syncytial Virus (RSV), SARS-CoV-2 or those who have been in recent contact with SARS-CoV-2 positive patients. Collected samples will aid the development, calibration and performance evaluation of the LumiraDx POC Test.

NCT05268939 — Performance Evaluation of LumiraDx SARS-CoV-2, Flu A/B, and RSV Tests for COVID-19 Assessment

A Multicenter Study Conducted to Evaluate the Performance of the LumiraDx SARS-CoV-2 & FLU A/B Test, and LumiraDx SARS-CoV-2 & RSV Test at Point of Care Testing Sites. Subjects presenting with symptoms suggestive of COVID-19 and/or Influenza and/or RSV will be consented and asked to donate swab sample(s) for testing in the device(s) under evaluation.

NCT04530799 — Prospective Observational Trial of IAPA

A prospective multi-center observational study to assess the incidence of influenza-associated pulmonary aspergillosis (IAPA) in ICU patients and to identify host- and pathogen related risk factors for IAPA in EORTC negative ICU patients with severe influenza.

NCT05501561 — Safety and Immunogenicity of Different Formulations of an MF59-Adjuvanted Influenza Vaccine in Older Adults ≥50 Years of Age

This Phase 2, randomized, observer-blind, dose-confirmation clinical study evaluated different formulations of MF59-Adjuvanted Quadrivalent Subunit Inactivated Influenza Vaccine. Approximately 1000 subjects were randomized into 1 of 4 possible treatment groups with approximately 250 participants per group. Every participant received an influenza vaccine injection on Day 1 and were to be followe…

NCT04901455 — Responses to Live Attenuated Influenza Virus (LAIV) in Chronic Obstructive Pulmonary Disease (COPD)

This study will determine the functional status of the nasal immune environment with LAIV exposure in COPD persons with frequent exacerbations (defined as individuals with two or more episodes of worsening in COPD symptoms requiring treatment with antibiotics and/or steroids in the prior 12 months) and COPD persons without frequent exacerbations to determine acute exacerbation of COPD (AECOPD)-…

NCT05728970 — POC Performance Evaluation of LumiraDx SARS-CoV-2 Ag Ultra and SARS-CoV-2 & Flu A/B Tests.

This is a prospective multicenter study conducted to evaluate the performance of the LumiraDx SARS-CoV-2 Ag Ultra test in detecting severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) and LumiraDx SARS-CoV-2 & Flu A/B test in differential detection of SARS-CoV-2, Influenza A (Flu A) and Influenza B (Flu B) at point of care sites. Subjects presenting with symptoms suggestive of coronav…

NCT05755620 — A Study to Evaluate the Safety and Immunogenicity of a Single Dose of H1ssF-3928 mRNA-LNP in Healthy Adults

This is a Phase 1, single-site, open-label, comparator-controlled dose escalating study of an intramuscularly (IM) administered mRNA-LNP vaccine encoding for (Vaccine Research Center) VRC H1ssF 3928 of up to 50 healthy adult volunteers aged 18 to 49 years, inclusive. This study is designed to assess the safety and immunogenicity of one dose of H1ssF 3928 mRNA Vaccine. Eligible participants will…

NCT05787444 — Clinical Validation of the LumiraDx SARS-CoV-2 & Flu A/B Combo Test

This is a prospective multicenter study conducted to evaluate the performance of the LumiraDx SARS-CoV-2 & Flu A/B tests at point of care sites. Subjects presenting with symptoms suggestive of coronavirus disease 2019 (COVID-19) and Influenza at the time of the study visit will be enrolled and asked to donate swab sample(s) for testing on the device under evaluation.

NCT05945485 — A Study to Evaluate the Safety and Immunogenicity of Two Doses of DCVC H1 HA mRNA-LNP in Healthy Adults

This is a Phase 1, single-site, comparator-controlled, dosage-escalating study of an intramuscularly administered mRNA-LNP vaccine encoding for DCVC H1 HA in up to 50 adult volunteers aged 18 to 49 years, inclusive. This study is designed to assess the safety and immunogenicity of two doses of DCVC H1 HA mRNA vaccine administered 28 days apart. Eligible participants will be sequentially enrolle…

NCT06087640 — A Clinical Study to Evaluate the Efficacy, Safety and Immunogenicity of an Adjuvanted Influenza Vaccine Compared to a Non-adjuvanted Influenza Vaccine in Adults ≥65 Years of Age

This Phase 3 study is a randomized, observer-blind study of MF59-adjuvanted influenza vaccine (aQIV or aTIV) compared with a non-adjuvanted influenza vaccine (QIV or TIV) in adults ≥65 years of age. The aim of the study is to evaluate MF59-adjuvanted influenza vaccine compared with non-adjuvanted influenza vaccine in the prevention of reverse transcription-polymerase chain reaction (RT-PCR)-con…

NCT06436703 — A Study About Modified RNA Vaccines Against Influenza in Healthy Adults

The purpose of this study is to learn if modified RNA (modRNA) vaccines for the prevention of influenza are:

• safe; and
• how these vaccines produce an immune response in generally healthy adults. Immune response is the way the body protects itself against things it sees as harmful or foreign.

RNA (also called ribonucleic acid) is one of two types of nucleic acid made by cells. RNA contains …

NCT06609460 — Study of CD388 for the Prevention of Influenza in Subjects Not at Risk for Influenza Complications

The purpose of this study is to evaluate the effectiveness of CD388 in preventing symptomatic laboratory-confirmed influenza infections, as compared to placebo, and to select a dose of CD388 that is effective in preventing the same, when administered as a single dose via 3 subcutaneous (SQ) injections to adult participants in stable health, and to evaluate the safety and tolerability of CD388, …

NCT04381689 — Phase 3 Study to Evaluate the Immunogenicity and Safety of Inactived Split Influenza Vaccine in Healthy Infants

The purpose of this study is to evaluate the safety and immunogenicity of IL-YANG Inactivated Split Influenza Vaccine (IL-YANG Quadrivalent Seasonal Influenza Vaccine) in healthy infants from 6 months to under 3 years of age(≥ 6 months and < 3 years)

NCT06291857 — A Study to Evaluate the Safety and Immunogenicity of COVID-19 Vaccine and Influenza Combination Vaccine

This is a medical study where participants will be randomly assigned to receive either a new combination vaccine that protects against both COVID-19 and the flu, or a standard flu vaccine. The researchers conducting the study won’t know which vaccine each participant receives, ensuring their observations are unbiased. This study compares the new combination vaccine to an already available flu v…

NCT06744205 — A Study on the Safety and Immunogenicity of Hexavalent Influenza mRNA Vaccine in Adult Participants 50 Years of Age and Older

The purpose of this study is to evaluate the safety and immunogenicity of a single intramuscular injection of different formulations of a hexavalent influenza messenger ribonucleic acid (mRNA) vaccine composed of differing dose levels of trivalent (TIV) mRNA hemagglutinin (HA) in combination with TIV mRNA-neuraminidase (NA) compared to an active control ((Fluzone standard-dose quadrivalent infl…

NCT07019883 — A Study to Evaluate the Safety and Immunogenicity of Two Doses of a Novel H5 Central Antigen mRNA-LNP in Healthy Adults

This is a phase 1, multicenter, randomized, double-blind trial of two influenza A/H5 mRNA-based vaccines on healthy adult participants, 18-49 years of age. Stage 1 will serve as the open-label, dose finding stage. The first 10 participants will receive 12.5 mcg of H5 AC-Anhui RNA vaccine (Group 1), and the second 10 participants will receive 25 mcg of H5 AC-Anhui RNA vaccine (Group 2). After Pr…

Other (Withdrawn)

NCT01224795 — A Study to Evaluate the Efficacy and Safety of Intravenous Peramivir in Subjects With Uncomplicated Influenza.

This is a study to evaluate the efficacy and safety of a single dose of intravenous peramivir versus placebo in adolescents and adults with acute uncomplicated influenza.

Other (Suspended)

NCT07298967 — ORCHARDS-AIR Study

The purpose of this observational study is to compare the effectiveness of air surveillance and to better understand the relationship between household transmission and viruses detected in the air.

Participants will provide nasal swabs and have an air sample surveillance device installed in their home.