Trial Profile

A Parallel Group, Phase III, Randomized, Observer Blind, Placebo Controlled, Multi Center, Multinational, Multi Arm Study to Demonstrate Non-inferiority of the Immune Response of a Low Dose Compared to the Standard Dose and to Evaluate the Safety of a Respiratory Syncytial Virus Vaccine in Infants and Toddlers (OPAL)

Status: Discontinued

Phase of Trial: Phase III

Latest Information Update: 06 Feb 2026

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At a glance

03 Feb 2026 Status changed from active, no longer recruiting to discontinued.
14 Jan 2025 Status changed from not yet recruiting to active, no longer recruiting.
29 Nov 2024 New trial record

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