virale infectziekten (niet meer in te vullen boven) Determine differences in vaccine response in the pre-elderly age group (50-65 years of age) to the MenACWY-TT and VZV vaccine.
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: In order to be eligible to participate in this study, participants must meet all of the following criteria: * General good health * 50-65 years of age * Provision of written informed consent; * Adherent to protocol and available during the study period.
Exclusion criteria
Exclusion criteria: Any of the following criteria will exclude a participant from this study:, * Antibiotic use within 14 days of enrollment; * Present evidence of serious disease(s) demanding immunosuppressive medical treatment, like corticosteroids, that might interfere with the results of the study within the last 3 months; * Known or suspected allergy to any of the vaccine components (by medical history); * Occurrence of serious adverse event after other vaccination (by medical history); * Known or suspected immune deficiency; * History of any neurologic disorder, including epilepsy;* Known or suspected coagulation disorder; * Previous administration of serum products (including immunoglobulins) within 6 months before vaccination and blood sampling; * Hormone use, such as post-menopausal hormone or contraceptive pills, within the last 3 months; * Serious surgery within the last 3 months; * Previous vaccination with the MenC, MenC-TT, or MenACWY-TT vaccine. (for the MenACWY-TT study group ) * Previous meningococcal episode (MenACWY-TT study group) * Previous vaccination with VZV vaccine (for the VZV study group) * Previous Varicella Zoster episode (VZV study group) * Vaccination with DT, DT-IPV, TdaP or T within the past 5 years (for the MenACWY-TT study group) * Any vaccination within a month before enrollment; * Pregnant at the start of the study;
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The primary study outcome is to determine differences in vaccine response in the pre-elderly age group (50-65) to the MenACWY-TT and VZV vaccine. Primary parameters to determine these differences will be: o MenACWY-TT: Meningococcal specific Serum bactericidal antibody (SBA) levels after vaccination o VZV: memory T cell reponses against VZV after vaccination | — |
Secondary
| Measure | Time frame |
|---|---|
| * Determine biomarkers associated with the immunesenescence process and correlate these to the vaccine response. o Cytokine levels in serum (for instance: IL-6, TNF*, IL-1*, IL-10, IL-1ra, IL-17 and IFN*) o Biochemical parameters (for instance: DHEAs, CRP, RF, Vitamin D, cortisol) o CMV IgG levels in serum o Total IgG, IgM, and IgA levels * To determine MenACWY specific IgG, IgM, IgA, IgG-subclasses and avidity in serum; * To determine VZV specific IgG responses in serum * To determine general health status of the participant using a short questionnaire * Explorative: To determine Meningococcal specific B cell responses * Explorative: To determine Tetanus specific B and T cell responses * Explorative: determine additional interesting biomarkers o miRNA o mRNA AID * Explorative: Phenotyping of the total immuun cell subsets using PBMCs and counting of different lymphocyte subsets * Explorative: Varicella Zoster specific B cell responses | — |
Countries
Netherlands