Immunogenicity of the Booster Dose of Two MenC Vaccines (CSISP-MENC1)
Meningococcal Infection
About this trial
This is an interventional prevention trial for Meningococcal Infection focused on measuring Meningococcal vaccine, Immunization, secondary, vaccines conjugated, Meningococcal disease
Eligibility Criteria
Inclusion Criteria:
- Healthy toddlers of both sexes
- Toddlers of 14 to 19 months of age (including the day that the toddler is 14 and the day before he is 19 months of age)
- Children previously vaccinated with two doses of polysaccharide meningococcal C vaccine conjugated to tetanus toxoid or three doses of polysaccharide meningococcal C conjugated to CRM197 before 7 month of age.
- Informed consent signed by one or both parents who are adequately informed about the study.
Exclusion Criteria:
- Toddlers with severe diseases or axilar temperature ≥ 38,0ºC at inclusion time
- Toddlers with severe chronic diseases
- Toddlers who have received any other vaccine within the last month or with a programmed vaccination within the 28 subsequent days after the administration of the vaccine of study.
- Toddlers with clinical or bacteriological diagnosis of previous meningococcal disease.
- Toddlers with hypersensitivity to any of the components of the vaccines to study or antibiotics used during the manufacturing process that could be present as non- detectable traces (streptomycin, neomycin, polymyxin B).
- Toddlers with personal history of convulsions.
- Toddlers with known bleeding disorder no controlled
- Toddlers with known congenital or acquired immunodeficiency
- Toddlers who are receiving or have been received any treatment that could change the immune response (administration of intravenous immunoglobulin, systemic corticosteroids or haemoderivates) within the 3 previous months.
- A toddler that under investigator opinion is probable to be lost during the follow-up
- A toddler that is currently included or is planned to be included in any other clinical trial.
- A toddler that under investigator opinion must not be included in the study due to other medical or social reasons.
Sites / Locations
- Universidad Rey Juan Carlos I
- Centro Superior Investigación en Salud Publica
Arms of the Study
Arm 1
Arm 2
Arm 3
Arm 4
Experimental
Experimental
Experimental
Experimental
MENC-CRM/MENC-CRM
MENC-CRM/MENC-TT
MENC-TT/MENC-CRM
MENC-TT/MENC-TT
Children primed with 3 doses of MenC-CRM vaccine, Intervention: boosted with one dose of MenC-CRM vaccine
Children Primed with three doses of MenC-CRM vaccine. Intervention: boosted with one dose of MenC-TT
Children primovacccinated with two MenC-TT vaccine doses. Intervention: boosted with one dose MenC-CRM vaccine
Children primovacccinated with two MenC-TT vaccine doses. Intervention boosted with one dose MenC-TT vaccine