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We list hundreds of Clinical Trials about "Vaccination Response in ImmunoCompromised Host. Immune Response After Vaccination Against Pandemic A/H1N1 Influenza" on BioPortfolio. We draw our references from global clinical trials data listed on ClinicalTrials.gov and refresh our database daily.
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As recommended by the Dutch Health Council, certain risk groups and health care workers in The Netherlands were vaccinated to prevent morbidity due to pandemic influenza A/H1N1. Adults were vaccinated twice with the monovalent influenza A/California/2009(H1N1) MF59-adjuvanted surface-antigen vaccine Focetria® (Novartis). The vaccination campaign was executed by general practitioners. The aim of the study is to verify whether HIV-infected individuals generate an adequate ...
This study is being done to learn how previous flu vaccination or previous infection with flu virus affects the immune response to vaccination.
The main objective of the study is to estimate the proportion of children, born between the 06/04/2004 and the 17/004/2008, living around Neufchatel en Bray, vaccinated by MenBVac, with a serum bactericidal activity against B:14,P1-7,16 clone related to a protection (>= 4), before the first vaccination (T0), after the second MenBvac vaccination (6 weeks after the second vaccination), before the third MenBvac vaccination and after the third MenBvac vaccination (6 weeks after the...
The aim of this study is to verify whether vaccination with Dukoral® (SBL Vaccines) induces an immune response in renal transplant recipients on prednisolone in combination with either a calcineurin inhibitor CNI), mycophenolate mofetil (MMF) or an mTOR inhibitor (mTORi).
To follow longitudinally healthy and immune-compromised responses to pneumococcal vaccination, in 60+ individuals towards the development of personalized medicine implementation (minimum enrollments in 2 age categories: young adults[18-25], older adults [55+], within each category: 10+ healthy, 10+ asthma, 10+ immune-compromised [e.g. leukemia or autoimmune disorders]). The approach will profile thousands of molecular components utilizing high-throughput technologies and integr...
This prospective observational cohort study will follow the roughly 100 adults who received the VSV-ZEBOV vaccine in the Geneva phase 1 randomized controlled trial in 2014-2015 in order to determine their long-term (5-year) immune response to vaccination.
Better understanding of the immune responses to influenza vaccination is needed in order to understand situations of poor vaccine response. Adults will receive influenza vaccination and then have peripheral blood drawn at pre-defined intervals in order to study the lymphocyte responses.
The purpose of this study is to evaluate the immune response to a routine influenza vaccination. Influenza vaccination is given as part of routine standard of care in these individuals and is not part of the study protocol. The study will evaluate for a change in response to common antigens over time after influenza vaccination to determine if changes are related to the development of chronic rejection after solid-organ transplantation. We hypothesize that the influenza vaccine...
The efficacy of vaccination against influenza in patients with rheumatoid arthritis has been assessed using humoral response. However, the cellular immunity is another important pathway of response to vaccination. The purpose of this study is to evaluate the degree of cellular immunity response to influenza vaccination. Patient with rheumatoid arthritis and healthy controls will participate in this study , will undergo a clinical evaluation the day of vaccination and 4 weeks af...
This is a human pilot study of 16 healthy BCG-naïve volunteers to quantify BCG from the BCG vaccination site. Volunteers will be vaccinated with BCG. The first 8 will go on to have a punch biopsy and suction blister of the vaccination sites at 2 weeks post vaccination (arm A) the second 8 will have a biopsy and blister at 1 or 4 weeks post-vaccination (arm B). Methods of mycobacterial quantification on these tissue samples will then be compared
Hypoxia/bradycardia are common symptoms after vaccination of preterm infants. Adults show diurnal variations in vaccination response, due to circadian regulation of the immune system. The investigators plan to investigate whether preterm infants also show differences in hypoxia/bradycardia rate upon morning vs. evening vaccination. Hypoxia/bradycardia is recorded by pulse oximetry starting 24 hours before until 48 hours after vaccination; parents also kept a sleep-diary. 24 ho...
this study evaluates the cellular and humoral immune response to seasonal influenze vaccination in PTEN Hamartoma Tumor Syndrome. All subjects will be administered flu vaccination, half of the subjects will be control subjects.
This study aims to identify the innate and adaptive immune response to zoster vaccination. Half of the participants will be individuals with chronic hepatitis C, while the other half with healthy volunteers.The innate immune signature elicited by Zoster vaccination will be characterized by RNA-seq analysis of pre- and post-vaccination RNA from whole blood. We will compare fold changes in gene expression profiles pre- versus post-vaccination in each individual, as well as betwee...
Uptake, adherence, and completion of vaccination among drug users were low, and their immune function and immune response to hepatitis B vaccination were also suboptimal, indicating that the current practice of hepatitis B vaccination can't protect drug users from HBV infection. This is a randomized, open-label, blank-controlled trial, conducted among drug users with drug rehabilitation. This study will compare the immunogenicity and safety of three intramuscular 20µg a...
LC002 is an experimental therapeutic vaccine that was designed to boost the immune response of people infected with HIV. The purpose of this study is to determine the safety and tolerability of and immune response to LC002 in HIV-infected adults who are currently receiving anti-HIV treatment.
Uptake, adherence, and completion of vaccination among HIV-infected adults were low, and their immune function and immune response to hepatitis B vaccination were also suboptimal, indicating that the current practice of hepatitis B vaccination can't protect HIV-infected adults from HBV infection. And the persistence of immunity induced by hepatitis B vaccination remains a challenge. This is a randomized, open-label trial, conducted among HIV-infected adults with drug reh...
The purpose of the present study is to compare the immunological response of pneumococcal serotype specific B-cells, the humoral immune response and safety after sequential vaccination versus simultaneous vaccination with 13-valent pneumococcal conjugate vaccine (PCV13) and 23-valent polysaccharide vaccine (PPV23) in a prospective, randomized controlled monocentric head-to head clinical study in elderly. The hypothesis of this study is that simultaneous vaccination with PCV13 a...
This study has three purposes: To investigate whether the immune response to pertussis is increased when TDaP-IPV is given together with BCG vaccine, compared to when it is given alone. To investigate whether BCG vaccination modulates the immune response to non vaccine target antigens (i.e., antigens/pathogens not used in the vaccine itself). To investigate whether TDaP-IPV vaccination modulates the immune response to non vaccine target antigens.
The purpose of the study. To characterize the immune response to the pneumococcal vaccine in HIV positive individuals and to dissect the most appropriate timing and frequency of vaccination.
The purpose of the study is to determine whether it is possible to improve the immune response rate to 'flu vaccination in patients with chronic lymphocytic leukaemia (CLL). Annual flu vaccination is recommended for all patients with CLL because they are known to be susceptible to infections and particularly to chest infections that may occur as a complication of influenza. Protection against 'flu depends on patients having a high level of antibodies against the 'flu virus. Va...
This clinical trial evaluates the influenza virus vaccination in evaluating human immune response in patients with lymphoma. Evaluating immune response may increase the understanding of how the immune system changes when patients receive treatment for lymphomas by looking at the antibody levels and the level of the different cells that make up the immune system over time compared to those without lymphoma.
Influenza vaccination reduces the morbidity and mortality associated with influenza infection in at risk groups including the elderly and individuals with an impaired immune response, but is not totally protective in all recipient. Cytokines including type I interferons are known to play a key role in the innate immune response to virus infection and in the induction of the primary adaptive-immune response. Thus, we evaluated the safety of sublingual administration of IFNa and...
The overall objective of this project is to study the influence of modern anti-inflammatory treatments in established inflammatory rheumatic diseases (IRD) on immune response elicited by pneumococcal vaccination using 13-valent conjugate vaccine and influenza vaccination. In addition, the aim is to study the clinical aspects of vaccination regarding: tolerability in immunosuppressed patients with IRD, impact on existing rheumatic disease, possible association with onset of new ...
The purpose of the study is to investigate and compare the cell responses to influenza vaccination in monozygotic (identical) and dizygotic (fraternal) twins to determine the roles of genetics and environment in the response to flu vaccination.
Rationale: Oral vaccination is known to induce a systemic immune response as well as an immune response in mucosal tissues, and can therefore serve as a model to study systemic and mucosal immunity. In this study, the oral cholera vaccine Dukoral® was chosen as model vaccine. The kinetics of the immune response and the interaction with a raw milk matrix have been evaluated in a previous, pilot study (NL49042.081.14). Based on the outcomes of this pilot, in this study oral chol...