Trial Profile

Special Investigation for ABRYSVO Intramuscular Injection -Investigation in Pregnant Women and Infants-

Status: Active, no longer recruiting

Phase of Trial: Phase IV

Latest Information Update: 24 Nov 2025

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At a glance

Drugs Respiratory syncytial virus vaccine Pfizer (Primary)
Indications Respiratory syncytial virus infections
Focus Adverse reactions
Sponsors Pfizer

Most Recent Events

19 Nov 2025 Planned number of patients changed from 490 to 497.
05 Sep 2025 Planned End Date changed from 30 Sep 2026 to 11 Mar 2026.
05 Sep 2025 Planned primary completion date changed from 30 Sep 2026 to 11 Mar 2026.

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