Safety and Immunogenicity of Vi-CRM197 Vaccine Against S. Typhi in Children, Older Infants and Infants
A Phase 2, Randomized, Controlled, Observer Blind, Single Center Study of the Safety, Reactogenicity and Immunogenicity of the NVGH Glycoconjugate Vaccine Against S. Typhi in Children, Older Infants and Infants
Study Overview
Status
Status
Conditions
Conditions
Intervention / Treatment
Intervention / Treatment
Study Type
Study Type
Enrollment (Actual)
Enrollment
Phase
Phase
- Phase 2
Contacts and Locations
Study Locations
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-
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Alabang, Muntinlupa City, Philippines, 1781
- Research Institute for Tropical Medicine (RITM)
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-
Participation Criteria
Eligibility Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion criteria:
- Subjects belonging to 3 age groups will be enrolled into the trial: children (24 to 59 months of age at enrollment), older infants (9 to 12 months of age at enrollment) and infants (6 weeks of age at enrolment).
- Written informed consent will be obtained by the parents/ guardians before enrollment into the trial.
- Infants who have been vaccinated with BCG and HBV at birth and OPV at any time since birth can be enrolled into the trial, while infants who have received DTwP+HBV+Hib due at 6 weeks of age as per local EPI schedule cannot be enrolled into the trial.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Prevention
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Quadruple
Number of Arms
Arms and Interventions
Participant Group / ArmParticipant Group / Arm |
Intervention / TreatmentIntervention / Treatment |
|---|---|
|
Experimental: Vi-CRM, Older infants
Older Infants (9 to 12 months) receiving 2 doses of NVGH Vi-CRM197 vaccine
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|
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Active Comparator: PNC13, Older infants
Older infants (9 to 12 months) receiving 2 doses of Pneumococcal conjugate vaccine
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Other Names:
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Experimental: Vi-CRM, Infants
Infants (6 to 8 weeks) receiving 3 doses of NVGH Vi-CRM197 vaccine
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|
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Active Comparator: PNC13, Infants
Infants (6 to 8 weeks) receiving 3 doses of Pneumococcal conjugate vaccine
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Other Names:
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Experimental: Vi-CRM, Children
Children (24 to 59 months) receiving 2 doses of NVGH Vi-CRM197 vaccine
|
|
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Active Comparator: Vi-PS, Children
Children (24 to 59 months) receiving 1 dose of licensed Vi Polysaccharide vaccine and 1 dose of Pneumococcal conjugate vaccine
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Other Names:
Other Names:
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What is the study measuring?
Primary Outcome Measures
Primary Outcome Measures
Outcome Measure |
Time Frame |
|---|---|
|
Percentage of Subjects With at Least 4-fold Increase in Anti-Vi Enzyme-linked Immunosorbent Assay (ELISA) Titer
Time Frame: At 28 days after last vaccination as compared to baseline
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At 28 days after last vaccination as compared to baseline
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Percentage of Subjects With at Least 4-fold Increase in Anti-Vi ELISA Titer
Time Frame: At 6 months after last vaccination as compared to baseline
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At 6 months after last vaccination as compared to baseline
|
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Anti-Vi ELISA Geometric Mean Concentration (GMC)
Time Frame: At 28 days after last vaccination
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At 28 days after last vaccination
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Anti-Vi ELISA GMC
Time Frame: At 6 months after last vaccination
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At 6 months after last vaccination
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Secondary Outcome Measures
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
|---|---|---|
|
Number of Participants With Any Solicited Local and Systemic Reaction, After Any Vaccination
Time Frame: During the 7-day follow-up period after vaccination
|
Solicited local reactions were: erythema, induration, pain/tenderness.
Solicited systemic reactions were; lethargy, irritability, vomiting, diarrhoea, loss of appetite (and persistent crying in the older infants and infants age group)
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During the 7-day follow-up period after vaccination
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Collaborators and Investigators
Sponsor
Sponsor
Investigators
Investigators
- Principal Investigator: Maria Rosario Z Capeding, MD, Research Institute for Tropical Medicine (RITM)
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
Additional Relevant MeSH Terms
Other Study ID Numbers
Other Study ID Numbers
- H01_05TP
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