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Study identifier: NCT06705140 Synced from ClinicalTrials.gov · August 06, 2026
● Study status: Terminated

A Study on the Immunogenicity and Safety of 3 Different Dose Concentrations of a Respiratory Syncytial Virus Vaccine in Infants and Toddlers

Condition: RSV Immunisation · Healthy Volunteers  ·  Sponsor: Sanofi Pasteur, a Sanofi Company

PhasePhase 3
Planned participants42
Who can joinAll sexes, 6 Months to 21 Months
Healthy volunteersYes

About this study

This study was a Phase III, parallel group, randomized, observer blind, placebo controlled, multi-national, multi-center, multi-arm study conducted in 42 healthy children enrolled at 6 months to \<22 months of age. The purpose of the study was to evaluate the non-inferiority of the immune response of the lower dose (LD) when compared to the standard dose (SD) respiratory syncytial virus infant and toddler (RSVt) vaccine and the safety of the LD, SD and high dose (HD) vaccine in preterm born children and of the HD vaccine in full term born children administered by intranasal route and compared to placebo.

This description comes directly from the study's public registry record.

Talk to the study team

No contact information is available for this study as per the public registry record.

Always discuss trial participation with your own doctor first.

Locations (3)

Investigational Site Number : 3400002San Pedro Sula, Honduras
Investigational Site Number : 3400001Tegucigalpa, Honduras
Investigational Site Number : 3400003Tegucigalpa, Honduras

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