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An Evaluation of the Immune Response to Pentavalent Rotavirus Vaccine After a Supplemental Dose Given at 9 Months of Age With Local EPI Vaccines in Mali
This study is an evaluation of the immune response to pentavalent rotavirus vaccine (PRV) after an additional fourth dose is given at 9 months of age with local World Health Organization (WHO) Expanded Programme on Immunization (EPI) vaccines in Mali.
Details
| Lead sponsor | PATH |
|---|---|
| Phase | Phase 4 |
| Status | COMPLETED |
| Enrolment | 600 |
| Start date | 2014-10 |
| Completion | 2015-03 |
Conditions
- Diarrhea Rotavirus
Interventions
- pentavalent rotavirus vaccine (PRV)
- measles vaccine (MV)
- yellow fever vaccine (YFV)
- meningitis conjugate vaccine (PsA-TT-5μg)
Primary outcomes
- Number/Percentage of Subjects With Seroconversion for Anti-measles Immunoglobulin G (IgG) Antibody — 28 days post-vaccination
Measured using a commercially-available Enzyme Linked Immunosorbent Assay (ELISA). Seroconversion was defined as a measurement ≥1.10 geometric mean titer (GMT) at Day 28 among subjects with measurement ≤0.90 at baseline - Number/Percentage of Subjects With Seroresponses for Yellow Fever Neutralizing Antibody — 28 days post-vaccination
Measured by virus neutralization assay, determined using Robert Koch Institute's yellow fever standard of practice and relative to international scientific references for which the level of anti-YF neutralizing IgG protection was known. Seroresponse was defined as a geometric mean titer (GMT) of at least four times baseline value.
Countries
Mali