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Clinical Trial Summary

The purpose of this study is to generate data to support the registration extension of IMOVAX Polio to be used in a sequential vaccination.

Primary objective:

- To demonstrate the non-inferiority of Inactivated Poliomyelitis Vaccine (IPV)-(Oral Poliomyelitis Vaccine) (OPV)-OPV (Sequential 1) and IPV-IPV-OPV (sequential 2) poliovirus vaccine administrations versus OPV-OPV-OPV (Reference) in terms of seroprotection rate 28 to 42 days after the third dose of the primary vaccination series.

Secondary objectives:

- To evaluate the safety profile of the investigational vaccines after each administration in each group.

- To describe the humoral immune response to poliovirus serotypes (types 1, 2 and 3) before the first dose and 28 to 42 days after the third primary series dose of vaccine in each group.

- To describe the persistence of antibodies against poliovirus serotypes (types 1, 2 and 3) after the third primary series dose administration, at 18 months of age in each group.


Clinical Trial Description

Study participants will be randomized to receive either 3 doses of a commercially available Oral Poliovirus Vaccine (OPV), or 1 dose of Sanofi Pasteur's injectable Inactivated Poliovirus Vaccine IMOVAX Polio (IPV) followed by 2 doses of OPV, or 2 doses of IPV followed by 1 dose of OPV.

These vaccines will be administered at 2, 3 and 4 months of age as primary vaccination for the prevention of poliomyelitis. Participants will be followed up through their 18th- to 19th-month birthday. ;


Study Design

Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Prevention


Related Conditions & MeSH terms


NCT number NCT01475539
Study type Interventional
Source Sanofi
Contact
Status Completed
Phase Phase 4
Start date November 2011
Completion date November 2013

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