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A Post-marketing Surveillance Study of Beyfortus (Nirsevimab) in Republic of Korea

A Prospective, Single-arm, Non-interventional, Multi-center, Post-marketing Surveillance Study of Beyfortus (Nirsevimab) in Republic of Korea

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
ClinicalTrials.gov
Registry ID
NCT07200206
Enrollment
3000
Registered
2025-10-01
Start date
2025-10-02
Completion date
2029-09-26
Last updated
2025-12-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Respiratory Syncytial Virus

Brief summary

This study is conducted as part of the local risk management plan to collect and understand the following information about the surveillance drug under the real-world clinical practice settings. To evaluate the safety of Beyfortus in Korean children who received Beyfortus under the real-world clinical practice settings per the approved indication. The investigator will decide whether to enroll participants if they determine that administering Beyfortus according to current practice can provide clinical benefits in terms of safety and efficacy Participants will be followed-up for 180 days after Beyfortus administration.

Interventions

BIOLOGICALNirsevimab

Route of Administration: Intramuscular Pharmaceutical Form: Solution for injection

Sponsors

Sanofi
Lead SponsorINDUSTRY

Study design

Observational model
OTHER
Time perspective
PROSPECTIVE

Eligibility

Sex/Gender
ALL
Age
0 Days to 24 Months
Healthy volunteers
Yes

Inclusion criteria

* Children up to 24 months of age who received Beyfortus according to the approved indications. * Informed consent signed by the parents / legally accepted representatives (LARs) of the participant.

Exclusion criteria

* Participation at the time of study enrollment (or in the 4 weeks preceding the enrollment) or planned participation during the present study period in another clinical study investigating a vaccine, drug, medical device or a medical procedure. * Any contraindications according to the approved local product label of Beyfortus.

Design outcomes

Primary

MeasureTime frameDescription
Occurence of Adverse Events (AEs)Up to 180 days post doseNumber of participants (and occurrences) experiencing AEs will be assessed.
Occurence of Serious Adverse Events (SAEs)Up to 180 days post doseNumber of participants (and occurrences) experiencing SAEs will be assessed.
Occurrence of AE of special interest (AESI)Up to 180 days post doseNumber of participants (and occurrences) experiencing AESI will be assessed. The definition of AESI is as follow: 1. Hypersensitivity, including anaphylaxis 2. Immune complex disease 3. Thrombocytopenia
Occurence of Adverse Drug Reaction (ADRs) as Specified in Approved Local LabelUp to 180 days post doseNumber of participants (and occurrences) experiencing ADRs will be assessed.
Occurrence of Respiratory Syncytial Virus (RSV) Lower Respiratory Tract Infection (LRTI)Up to 180 days post doseNumber of participants (and occurrences) experiencing RSV LRTI will be assessed.

Countries

South Korea

Contacts

Primary ContactTrial Transparency email recommended (Toll free for US & Canada)
Contact-US@sanofi.com800-633-1610

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026