BENITIONSClinical Trial Intelligence

Study to Evaluate the Safety, Reactogenicity, and Effectiveness of mRNA-1273.214 SARS-CoV-2 (COVID-19) Vaccine in Infants

Phase 2 Terminated NCT05584202

ConditionSARS-CoV-2
PhasePhase 2
SponsorModernaTX, Inc.
StatusTerminated
Enrollment68 participants
InterventionsmRNA-1273.214
Start dateSep 30, 2022
Completion dateNov 15, 2024
Results postedNov 26, 2025

Summary

The study evaluated the safety, tolerability, reactogenicity, and effectiveness of mRNA-1273.214 severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) vaccine in infants aged 12 weeks to \< 6 months.

Number of Participants With Solicited Local and Systemic Adverse Reactions (ARs) After First Injection

Day 1 up to 7 days after first vaccination (up to Day 8) · Participants

mRNA-1273.214 5 μg First Injection (Solicited Safety Set)23 Participants
mRNA-1273.214 10 μg First Injection (Solicited Safety Set)7 Participants
mRNA-1273.214 5 μg First Injection (Solicited Safety Set)8 Participants
mRNA-1273.214 10 μg First Injection (Solicited Safety Set)3 Participants
mRNA-1273.214 5 μg First Injection (Solicited Safety Set)1 Participants
mRNA-1273.214 10 μg First Injection (Solicited Safety Set)0 Participants

Number of Participants With Solicited Local and Systemic ARs After Second Injection

Day 57 up to 7 days after second vaccination (up to Day 64) · Participants

mRNA-1273.214 5 μg Second Injection (Solicited Safety Set)18 Participants
mRNA-1273.214 10 μg Second Injection (Solicited Safety Set)6 Participants
mRNA-1273.214 5 μg Second Injection (Solicited Safety Set)7 Participants
mRNA-1273.214 10 μg Second Injection (Solicited Safety Set)2 Participants
mRNA-1273.214 5 μg Second Injection (Solicited Safety Set)1 Participants
mRNA-1273.214 10 μg Second Injection (Solicited Safety Set)0 Participants

Number of Participants With Unsolicited Adverse Events (AEs) After Any Injection

Day 1 up to 28 days after any vaccination (up to Day 85) · Participants

mRNA-1273.214 5 μg (Safety Set)24 Participants
mRNA-1273.214 10 μg (Safety Set)8 Participants

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This page summarises publicly available data from ClinicalTrials.gov. It is not medical advice and not investment advice. Always consult a qualified healthcare professional.