View clinical trials related to Influenza.
Filter by:Background: Influenza (flu) is a contagious respiratory illness. It is caused by influenza viruses that infect the nose, throat, and sometimes the lungs. Vaccines are given to teach the body to prevent or fight infection. Researchers want to study a new vaccine to prevent the seasonal flu. Objective: To see if the FluMos-v1 vaccine is safe and how the body responds to it. Eligibility: Healthy adults ages 18-50 who received at least one licensed flu vaccine from 2016 through the 2019-2020 influenza season. Design: Participants will be screened through a separate protocol. Participants will be tested for COVID-19. They may have a pregnancy test. Participants will receive the FluMos-v1 vaccine or the Flucelvax vaccine. It will be injected in the upper arm. Participants will complete a diary card for 7 days. They will record any symptoms they have. They will be given a thermometer to check their temperature. They will also be given a ruler to measure any skin changes at the injection site. Participants will have about 10 study visits. They will be asked how they are feeling and if they have taken any medications. They will have blood drawn. Participants will have oral mucosal samples collected using a thin swab. They may have nose and throat secretions collected using a thin swab. Some participants will have optional apheresis. Blood will be removed through a needle in a vein in one arm. A machine will separate the white blood cells. The rest of the blood will be returned through a needle in a vein in the other arm. Participation will last for 40 weeks.
Given the high burden of fungal co-infection in patients admitted to ICU and improved outcomes with prompt anti-fungal treatment, it is of vital importance that the doses of anti-fungal are optimum to improve the dismal outcome of influenza/Covid-19 Associated Pulmonary Aspergillosis. Due to the reported difficulties in dosing appropriately in ECMO patients, a prospective observational study is required to accurately evaluate the pharmacokinetics of voriconazole in patients supported on ECMO. This is to ensure that the dose of voriconazole is optimised to improve efficacy and reduce toxicity.
The primary efficacy objective is to demonstrate the efficacy of aCoV2 versus a placebo to prevent the first occurrence of virologically-confirmed symptomatic COVID 19 according to the European Centre for Disease Prevention and Control (ECDC) COVID 19 case definition. The co-primary efficacy objective is to demonstrate the efficacy of aCoV2 versus a placebo to prevent virologically confirmed symptomatic COVID 19 defined by the US Food and Drug Administration (FDA) guidance.
This study is an open-label, single-center, randomized phase IV clinical trial of the SARS-CoV-2 inactivated vaccine manufactured by Sinovac Research & Development Co., Ltd. The purpose of this study is to evaluate the safety and immunogenicity of concomitant administration of the SARS-CoV-2 Inactivated Vaccine (Vero cell) with Quadrivalent Influenza Vaccine in adults aged from 18 to 59 Years
The immune system response needs to be forceful but also balanced for a rapid recovery from infection which avoids harmful overreactions. Innate immunity can adapt and respond more efficiently to secondary exposures, thanks to epigenetic and metabolic reprogramming, namely "trained immunity". ABBC1 is a combination of beta-1,3/1,6-glucan with inactivated Saccharomyces cerevisae rich in selenium and zinc for training immunity. ABBC1 includes repurposed synergistic yeast-based ingredients: a unique ß-1,3/1,6-glucan complex and a consortium of probiotic Saccharomyces cerevisiae, rich in Selenium and Zinc. ABBC1 induces trained immunity due to its specific chemical and tridimensional structure: its ß-glucan complex interacts with specific receptors in immune cells, provoking a release of cytokines and priming phagocytosis. Simultaneous activation of these pathways activates innate immunity and counteracts cytokine storm. ABBC1 provides highly bioavailable selenium and zinc, micronutrients with a critical role in an optimal immune responsiveness to allergy, infection, and vaccines. ABBC1 possesses proven microbiome modulating properties, which revert in immune training. Due to its high tolerance, safety and immediate availability, ABBC1 is an ideal candidate for complementary management of geriatric patients with seasonal influenza viruses or COVID-19, or to improve the immune response in the general population receiving the influenza or Covid-19 vaccines. The absence of drug interactions in ABBC1 allows a dosage that is fully compatible with the medication prescribed for all types of patients, including the elderly who are frequently polymedicated, and allows adding an additional therapeutic tool in the fight against the pandemic. This study assesses the benefits of a nutritional supplementation with ABBC1 in volunteers receiving the influenza vaccine during autumn 2020 and the Covid-10 vaccine during winter 2021.
Background: Influenza (flu) vaccinations are required for all NIH staff members who have direct contact with patients. COVID-19 vaccines are recommended for persons 6 months of age and older. Researchers want to learn about immunity in NIH staff members who get a flu and/or COVID-19 vaccine. Objective: To understand what happens to the body s immune system throughout the year after getting the flu and/or COVID-19 vaccine. Eligibility: Adults ages 18 and older who work at NIH and plan to get the current season s flu vaccine and/or COVID-19 vaccine. Design: Participants will not get any vaccines as part of this study. Participants will be screened with a medical history and medicine review. They will get a survey via email. It will ask about their flu and SARS-CoV-2 history and vaccinations. Participants will have 12 monthly visits at NIH. If during that year they get both flu and SARS-COV-2 vaccines, their participation will be extended. Once a month, participants will be contacted. They will discuss any new medicines, recent vaccinations, or changes in medical history. Once a month, participants will have blood drawn. Once a month, participants will have nasal sampling. A small, flat absorptive strip will be placed in the nostril to soak up mucus. Participants will press against the outside of their nostril with their finger for 1 minute. Participants may be able to collect samples at home and mail them to NIH if they are not able to visit in person. Participation will last for about 12 13 months.
This Phase 2, randomized, observer-blind, antigen and adjuvant dose-ranging Clinical study is evaluating different formulations of MF59-Adjuvanted Quadrivalent Subunit Inactivated Influenza Vaccine. Approximately 800 subjects are to be randomized into 1 of 8 possible treatment groups. Immunogenicity and safety will be assessed in the overall study population (adults ≥50 years and above) and in the age subgroups ≥50-64 years and ≥65 years to determine the appropriate age population for this vaccine. Data from this study will be used to select the optimal dose to be tested in the pivotal Phase 3 immunogenicity and safety study in older adults. Disclosure Statement: This is a parallel-group dose-ranging study with 8 arms that is participant, investigator and observer-blinded.
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 changes in health during an infection that might otherwise go unnoticed. Eligibility: Healthy adults who have enrolled in a challenge study. Design: Participants will stay at NIH for at least 9 days and then they will have outpatient visits. While at NIH, participants will wear a smartwatch at all times. It will record data like temperature, heart rate, breathing rate, and movements. Participants will have 2 smartphones. One will be recording at all times to listen for coughing. Participants will use the other smartphone to check their vital signs. They will collect data like heart rate, temperature, and the level of oxygen in the blood every 4 hours during the daytime. Participants will perform tasks every 4 hours during the daytime. They will record themselves coughing, breathing in deeply, and reading aloud. They will take pictures and videos of their face. A bedside sensor will record participants while they sleep. It will record heart rate and breathing rate. It will also look at sleep activity, such as movements participants make during sleep and how deeply they sleep. Participants sharing the same room will be exposed to the same challenge virus. For outpatient visits, participants will use one smartphone and the smartwatch to complete the above tasks. Participation will last from 10 weeks to 1 year.
This proposed study seeks to community knowledge and understand the experience of underserved communities in the exploration of reducing health disparities and increasing vaccine uptake and acceptability COVID-19, influenza, and pneumonia for AA and Latinx populations. Unique in its design, it has the following characteristics: 1) multifaceted, 2) culturally tailored, 3) community-based, and 4) mixed methods in which the outcomes of interest will be measured before and after the intervention with 18-month interval. Furthermore, we seek to enhance our partnerships and collaborations with churches in South Los Angeles by supporting efforts to encourage COVID-19, influenza, and pneumonia vaccination uptake among underserved minorities in one of the most challenged and hard-to-reach population areas in the nation.
Analyse the time of flu symptom relief in adults with uncomplicated acute influenza,to evaluate the antiviral effects of high and low doses of GP681 tablets, and explore the optimal dose for phase III clinical trials.