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Influenza, Human clinical trials

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NCT ID: NCT04230343 Completed - Influenza Vaccine Clinical Trials

Limits of the Social Benefit Motive Among High-risk Patients: a Field Experiment on Influenza Vaccination Behaviour

Start date: November 13, 2016
Phase: N/A
Study type: Interventional

Influenza vaccine uptake remains low worldwide, inflicting substantial costs to public health and health systems. Messages promoting social welfare have been shown to increase vaccination intentions, and it has been recommended that health professionals communicate the socially beneficial aspects of vaccination. This study aims to provide the first test whether this prosocial vaccination hypothesis applies to the actual vaccination behaviour of high-risk patients by comparing the effects of two motivational messages for promoting vaccination at a tertiary care public hospital in Istanbul, Turkey.

NCT ID: NCT04223544 Recruiting - Influenza Clinical Trials

Incidence of Influenza Infections and Determination of Vaccination Coverage Rate Among Healthcare Workers

Start date: January 13, 2020
Phase:
Study type: Observational

The main aim of research is to determine of the prevalence of influenza virus and influenza vaccination coverage rate among hospital and GPs healthcare workers. Course of research: Participation in the study is voluntary and carried out after the consent of the examined person. The examination consists of: 1) completing the questionnaire and 2) taking the throat swab twice by the researcher. Two throat swab samples will be taken at the same time. Both samples will be used for virological examination to determine the presence of influenza virus material using non-invasive tests: one sample will be analyzed by a quick 'on-site' test - Flu SensDx kit, while the other sample will be transported to the laboratory, where the reverse transcriptase polymerase chain reaction (RT-PCR) - reference method - will be performed to confirm the presence of influenza genetic material. Swabs are planned to be collected during the 2019/2020 influenza epidemic season (January-March). In the last stage of the study, the results obtained from the survey questionnaire and the results of virological tests will be subject to statistical analysis and based on the data obtained, conclusions will be drawn from the study, indicating their practical application. The results obtained from this study will be used to develop a quality improvement program to control influenza virus infection, which will improve the safety of both patients and medical staff.

NCT ID: NCT04210349 Completed - Influenza Clinical Trials

Study of Shenzhen Quadrivalent Inactivated Influenza Vaccine Versus the Shenzhen Trivalent Inactivated Influenza Vaccine in Chinese Subjects From 6 Months of Age

Start date: January 9, 2020
Phase: Phase 3
Study type: Interventional

The primary objectives of the study were: - To demonstrate the non-inferiority of the immune response in terms of geometric mean titers (GMTs) and seroconversion rates of the SP Shz QIV compared with the SP Shz TIV containing the Victoria lineage strain (TIV1) and the SP Shz TIV containing the Yamagata lineage strain (TIV2) for each strain - To describe the safety profile of each dosage of SP Shz QIV, TIV1 or TIV2 The secondary objectives of the study were: - Group 1 (subjects 6-35 months): To demonstrate the superiority of the immune response of SP Shz QIV compared to TIV2 or TIV1 group after the last dose; demonstrate the superiority of the immune response of the 0.5 mL dose of SP Shz QIV compared to 0.25 mL dose of SP Shz QIV group after the last dose; describe the immune response after administration of the last dose of either SP Shz QIV or SP Shz TIV1 or SP Shz TIV2. - Groups 2 through 5 (subjects ≥ 3 years): To demonstrate the superiority of the immune response of SP Shz QIV compared to TIV2 or TIV1 group after a single dose; describe the immune response after each and every dose for all subjects ≥ 3 years of either SP Shz QIV or SP Shz TIV1 or SP Shz TIV2 - Group 2 (subjects 3 to 8 years), previously unvaccinated ,receiving SP Shz QIV: To describe the immune response after administration of each dose of SP Shz QIV, first dose and second dose of SP Shz QIV respectively - Group 5 (subjects ≥ 65 years only): To assess the compliance, in terms of immunogenicity, of SP Shz QIV with the requirements of the CHMP NfG CPMP/BWP/214/96 in subjects aged 65 years or older. - To describe the safety profile of SP Shz QIV 0.5 mL after each dose.

NCT ID: NCT04204993 Completed - Influenza A H3N2 Clinical Trials

Assessment of Wearable Sensors During Experimental Human Influenza Infection (Sigma Plus)

Start date: February 11, 2020
Phase: N/A
Study type: Interventional

The aim of the study is to investigate disease in volunteers deliberately infected with influenza A(H3N2), including biological markers of inflammation and immune response, and changes in physiological parameters including heart rate, respiratory rate, physical activity, oxygen saturation and electrocardiographic data during the onset of influenza infection. Ultimately, this may lead to prediction of symptomatic disease at an earlier stage to allow more effective interventions. The experimental medicine study design will involve human influenza infection challenge, whereby volunteers will be inoculated with influenza virus and monitored in hospital for 10 days as they develop and get better from flu. Continuously-monitoring wearable physiological sensors will be given to the participants 7 days before this and worn continuously until the end of the flu infection.

NCT ID: NCT04192500 Completed - Influenza Clinical Trials

Safety and Immune Response of One Dose of OVX836 at Two Dose Levels, in Comparison to Influvac TetraTM, After Intramuscular Administration in Healthy Subjects Aged 18-65 Years

Start date: December 11, 2019
Phase: Phase 2
Study type: Interventional

This Phase 2a clinical study is designed to evaluate the immunogenicity and the safety of one dose of OVX836 influenza vaccine administered IM, confirm the dose level and regimen, and expand immunogenicity and safety data to adults through age 65.

NCT ID: NCT04188483 Completed - Clinical trials for Influenza Vaccination

Effect of Selenium Supplementation on Influenza Vaccination

Start date: October 15, 2019
Phase: N/A
Study type: Interventional

The study is designed to assess whether selenium supplementation can boost the immunity response to influenza vaccination in healthy adults. This is a randomized, prospective study enrolling a total of 60 healthy subjects, 18-55 years old.

NCT ID: NCT04183725 Not yet recruiting - Clinical trials for Influenza in Children

Clinical Study of Reduning Injection for the Treatment of Influenza in Children

Start date: December 1, 2019
Phase: Phase 4
Study type: Interventional

The purpose of this study is to evaluate the efficacy, safety of Reduning injection for the treatment of influenza in children.

NCT ID: NCT04176133 Completed - Healthy Clinical Trials

Entolimod on Immunosenescence in Healthy Geriatric Subjects Receiving Influenza Vaccination

Start date: October 30, 2019
Phase: Phase 2
Study type: Interventional

Researchers are evaluating the safety and effectiveness of a single administration of entolimod when administered at the same time as the influenza vaccine (flu vaccine).

NCT ID: NCT04172610 Completed - Influenza, Human Clinical Trials

Prevalence of Influenza RelAted Invasive Aspergillosis

PIRAIA
Start date: December 2, 2019
Phase:
Study type: Observational

This is a multicenter study with the aim to determine the prevalence of influenza-related invasive pulmonary aspergillosis in Swedish intensive care units and to assess the clinical impact of and risk factors for influenza-related invasive pulmonary aspergillosis

NCT ID: NCT04171128 Completed - Influenza Clinical Trials

Procalcitonin Role in Influenza Patients With Regard to Morbidity, Mortality and Antibiotic Use

Start date: February 2, 2019
Phase:
Study type: Observational

The investigators intend to observe the inflammatory marker procalcitonin (PCT) in comparison with patient variables on morbidity, mortality and antibiotic treatment. The overall aim is to observe if a low PCT value can have potential in reducing unessesary antibiotic use in seasonal influenza patients.