Persistence of Antibodies and Kinetics of B Cell Response in Healthy Children After Vaccination With MCC Vaccine
A Phase IV, Single Centre, Open-label Study to Investigate the Kinetics of the B Cell Response to the C Saccharide Component of Chiron's Meningococcal C Conjugate Vaccine Administered to Healthy Children at Least 12 Months of Age After Priming With a Commercially Available Men ACWY Conjugate Vaccine at 2, 3 and 4 Months of Age
Study Overview
Status
Status
Conditions
Conditions
Intervention / Treatment
Intervention / Treatment
Study Type
Study Type
Enrollment (Actual)
Enrollment
Phase
Phase
- Phase 4
Contacts and Locations
Study Locations
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Oxford
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Headington, Oxford, United Kingdom, OX3 7LJ
- Oxford Vaccine Group, Centre for Clinical Vaccinology and Tropical Medicine, Churchill Hospital, Old Road
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Participation Criteria
Eligibility Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Healthy children
Exclusion Criteria:
- Known hypersensitivity to any vaccine products
- Any immunodeficiency, genetic anomaly or severe acute or chronic illness
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Prevention
- Allocation: Non-Randomized
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Number of Arms
Arms and Interventions
Participant Group / ArmParticipant Group / Arm |
Intervention / TreatmentIntervention / Treatment |
|---|---|
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Experimental: Group 2
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Group 1: Meningococcal C conjugate vaccine dose boost on Visit 6 (day 0), blood sample on Visit 7 (day 3 post immunization) Group 2: Meningococcal C conjugate vaccine dose boost on Visit 6 (day 0), blood sample on Visit 7 (day 5 post immunization) Group 3: Meningococcal C conjugate vaccine dose boost on Visit 6 (day 0), blood sample on Visit 7 (day 7 post immunization) Group 4: Meningococcal C conjugate vaccine dose boost on Visit 6 (day 0), blood sample on Visit 7 (day 9 post immunization) Group 5: Meningococcal C conjugate vaccine dose boost on Visit 6 (day 0), blood sample on Visit 7 (day 10 post immunization)
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Experimental: Group 1
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Group 1: Meningococcal C conjugate vaccine dose boost on Visit 6 (day 0), blood sample on Visit 7 (day 3 post immunization) Group 2: Meningococcal C conjugate vaccine dose boost on Visit 6 (day 0), blood sample on Visit 7 (day 5 post immunization) Group 3: Meningococcal C conjugate vaccine dose boost on Visit 6 (day 0), blood sample on Visit 7 (day 7 post immunization) Group 4: Meningococcal C conjugate vaccine dose boost on Visit 6 (day 0), blood sample on Visit 7 (day 9 post immunization) Group 5: Meningococcal C conjugate vaccine dose boost on Visit 6 (day 0), blood sample on Visit 7 (day 10 post immunization)
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Experimental: Group 3
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Group 1: Meningococcal C conjugate vaccine dose boost on Visit 6 (day 0), blood sample on Visit 7 (day 3 post immunization) Group 2: Meningococcal C conjugate vaccine dose boost on Visit 6 (day 0), blood sample on Visit 7 (day 5 post immunization) Group 3: Meningococcal C conjugate vaccine dose boost on Visit 6 (day 0), blood sample on Visit 7 (day 7 post immunization) Group 4: Meningococcal C conjugate vaccine dose boost on Visit 6 (day 0), blood sample on Visit 7 (day 9 post immunization) Group 5: Meningococcal C conjugate vaccine dose boost on Visit 6 (day 0), blood sample on Visit 7 (day 10 post immunization)
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Experimental: Group 4
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Group 1: Meningococcal C conjugate vaccine dose boost on Visit 6 (day 0), blood sample on Visit 7 (day 3 post immunization) Group 2: Meningococcal C conjugate vaccine dose boost on Visit 6 (day 0), blood sample on Visit 7 (day 5 post immunization) Group 3: Meningococcal C conjugate vaccine dose boost on Visit 6 (day 0), blood sample on Visit 7 (day 7 post immunization) Group 4: Meningococcal C conjugate vaccine dose boost on Visit 6 (day 0), blood sample on Visit 7 (day 9 post immunization) Group 5: Meningococcal C conjugate vaccine dose boost on Visit 6 (day 0), blood sample on Visit 7 (day 10 post immunization)
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Experimental: Group 5
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Group 1: Meningococcal C conjugate vaccine dose boost on Visit 6 (day 0), blood sample on Visit 7 (day 3 post immunization) Group 2: Meningococcal C conjugate vaccine dose boost on Visit 6 (day 0), blood sample on Visit 7 (day 5 post immunization) Group 3: Meningococcal C conjugate vaccine dose boost on Visit 6 (day 0), blood sample on Visit 7 (day 7 post immunization) Group 4: Meningococcal C conjugate vaccine dose boost on Visit 6 (day 0), blood sample on Visit 7 (day 9 post immunization) Group 5: Meningococcal C conjugate vaccine dose boost on Visit 6 (day 0), blood sample on Visit 7 (day 10 post immunization)
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What is the study measuring?
Primary Outcome Measures
Primary Outcome Measures
Outcome Measure |
|---|
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Persistence of memory B cells in the blood at least one year after primary immunisation with MenC Vaccine at 2, 3 and 4 months of age, as determined by meningococcal C specific B-cell ELISPot assay or limiting dilution
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Secondary Outcome Measures
Secondary Outcome Measures
Outcome Measure |
|---|
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Immune Response measured 4 weeks after the booster immunisation.
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establish at which day CRM -197 specific B cells are detectable in the blood after booster immunisation, as determined by meningococcal C specific B-cell ELISpot assay or limiting dilution.
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Collaborators and Investigators
Sponsor
Sponsor
Investigators
Investigators
- Principal Investigator: Novartis Vaccines - Information Services, Novartis Vaccines & Diagnostics
Publications and helpful links
Study record dates
Study Major Dates
Study Start
Study Start
Primary Completion (Actual)
Primary Completion
Study Completion (Actual)
Study Completion
Study Registration Dates
First Submitted
First Submitted
First Submitted That Met QC Criteria
First Submitted That Met QC Criteria
First Posted (Estimate)
First Posted
Study Record Updates
Last Update Posted (Estimate)
Last Update Posted
Last Update Submitted That Met QC Criteria
Last Update Submitted That Met QC Criteria
Last Verified
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
Other Study ID Numbers
- M14P5E1
- Impact N° 1637
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