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Influenza clinical trials

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NCT ID: NCT02877160 Recruiting - Influenza Clinical Trials

A Study to Assess the PK of AL-794 Formulations in Healthy Subjects

Start date: June 2016
Phase: Phase 1
Study type: Interventional

This study is a single-center, randomized, open-label crossover study to assess the pharmacokinetics and food effect of AL-794 formulations in healthy subjects.

NCT ID: NCT02876159 Recruiting - Influenza Clinical Trials

The Immunologic Basis for an Attenuated Immune Response to the Influenza Vaccine After Repeated Annual Vaccination

FLU1
Start date: July 2016
Phase: Phase 3
Study type: Interventional

This is a prospective pilot study designed to suggest differences in the immunologic response to the seasonal influenza vaccine in people with regular vaccination history compared to those vaccinated less regularly. Participants will receive one dose of the Food and Drug Administration (FDA) approved 2016-2017 seasonal influenza vaccine. Immune system data will be collected at standard time points. The duration of the study for each participant will be approximately 1 month.

NCT ID: NCT02871206 Not yet recruiting - Influenza Clinical Trials

A RCT of Adjuvanted Inactivated Vaccine Versus Inactivated Influenza Vaccine in Hutterite Children

Start date: September 2016
Phase: Phase 4
Study type: Interventional

This study is a randomized controlled trial (RCT) comparing adjuvanted influenza vaccine (AV) to unadjuvanted inactivated influenza vaccine (IIV). Children in Hutterite colonies in Alberta and Saskatchewan will receive AV or IIV. The goal of this study is to determine whether the AV vaccine, can provide increased community-wide protection.

NCT ID: NCT02868658 Not yet recruiting - Influenza Clinical Trials

Asymptomatic Flu Project

AFP
Start date: September 2016
Phase: N/A
Study type: Interventional

Although clinical presentation of influenza is often symptomatic, asymptomatic cases also occur. The knowledge of the incidence of asymptomatic influenza among healthcare workers is very important because of the risk of cross-transmission to hospitalized patients. The principal objective of the study is to estimate the incidence of symptomatic and asymptomatic influenza among healthcare workers in short-stay wards. The results of this study will lead to a better understanding of the burden of asymptomatic influenza among healthcare workers and might be used as an argument to increase influenza vaccine coverage among healthcare workers.

NCT ID: NCT02860039 Not yet recruiting - Influenza Clinical Trials

High Dose Flu Vaccine in Treating Children Who Have Undergone Donor Stem Cell Transplant

Start date: January 2017
Phase: Phase 2
Study type: Interventional

This phase II randomized trial studies how well high dose flu vaccine works in treating children who have undergone done stem cell transplant. Higher dose flu vaccine may build a better immune response and may provide better protection against the flu than the standard vaccine.

NCT ID: NCT02846311 Completed - Influenza Clinical Trials

Evaluation of the Alere i Influenza A&B Nucleic Acid Amplification Versus Xpert Flu/RSV

Start date: January 2015
Phase: N/A
Study type: Observational

The rapid and accurate detection of influenza virus in respiratory specimens is required for optimal management of patients with acute respiratory infections. Because of the variability of the symptoms and the numerous other causes of influenza-like illness, the diagnosis of influenza cannot be made on the basis of clinical criteria alone. Thus, rapid influenza diagnostic tests have been developed such as the Alere i Influenza A&B isothermal nucleic acid assay. Investigators prospectively evaluated the performance of the Alere i Influenza A&B assay in comparison with the routine Xpert Flu/RSV assay.

NCT ID: NCT02819180 Completed - Influenza Clinical Trials

Study to Evaluate Safety and Immunogenicity of Butantan Seasonal Influenza Vaccine - FLU-02-IB

FLU-02-IB
Start date: April 2014
Phase: N/A
Study type: Observational

Prospective cohort study to evaluate the safety and immunogenicity of the Butantan Influenza vaccine (Fragmented and Inactivated) among healthy adults with 18 to 59 years of age and elderly older than 60 years of age.

NCT ID: NCT02819115 Completed - Influenza Clinical Trials

Cohort Study to Evaluate Safety and Immunogenicity of Butantan Seasonal Influenza Vaccine

FLU-01-IB
Start date: June 2013
Phase: Phase 4
Study type: Observational

Prospective study to evaluate the safety and immunogenicity of Butantan Influenza seasonal vaccine.

NCT ID: NCT02809209 Completed - Influenza Clinical Trials

Safety of the Seasonal Trivalent Inactivated Split Virion Influenza Vaccine (IVACFLU-S)

IVACFLU-S
Start date: October 2015
Phase: Phase 1
Study type: Interventional

This is a phase I, double-blind, randomized, placebo-controlled trial with two groups of subjects to assess the safety of the seasonal trivalent inactivated split virion influenza vaccine (A/H1N1; A/H3N2 and B strains). A total of 60 healthy male and female adults, aged from 18 through 45 years will be randomized to receive the vaccine (n=30) or placebo (n=30). In addition, immune responses induced by the vaccine will be evaluated.

NCT ID: NCT02762851 Recruiting - Heart Failure Clinical Trials

Influenza Vaccine To Prevent Adverse Vascular Events (RCT-IVVE)

RCT-IVVE
Start date: June 2016
Phase: Phase 4
Study type: Interventional

A multi-centre, randomized, placebo controlled, trial. Participants at high-risk for vascular events from the network of INTER- CHF will be randomized to inactivated influenza vaccine or placebo and followed prospectively over three influenza seasons. 3,500 participants will be enrolled prior to influenza season, randomized to either influenza vaccine or saline placebo, either of which they will receive annually for three years and then followed over each of the influenza seasons.