NCT06710925

Brief Summary

This study is a Phase 3 randomized, double-blind, placebo-controlled study to evaluate the safety, efficacy, and immunogenicity of TNM001 in high-risk infants when entering their RSV season. Approximately 201 infants will be randomized in a ratio of 2:1 to receive TNM001 or placebo. All subjects will be followed for 270 days after dosing. This study will be conducted at approximately 20 sites in China.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
315

participants targeted

Target at P50-P75 for phase_3

Timeline
Completed

Started Nov 2024

Shorter than P25 for phase_3

Geographic Reach
1 country

2 active sites

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

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Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

November 26, 2024

Completed
2 days until next milestone

Study Start

First participant enrolled

November 28, 2024

Completed
1 day until next milestone

First Posted

Study publicly available on registry

November 29, 2024

Completed
8 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

July 27, 2025

Completed
5 months until next milestone

Study Completion

Last participant's last visit for all outcomes

December 14, 2025

Completed
Last Updated

March 5, 2026

Status Verified

March 1, 2026

Enrollment Period

8 months

First QC Date

November 26, 2024

Last Update Submit

March 3, 2026

Conditions

Outcome Measures

Primary Outcomes (1)

  • Incidence of medically attended LRTI due to RT-PCR confirmed RSV

    150 days post dose

Study Arms (2)

TNM001

EXPERIMENTAL
Biological: TNM001

Placebo

PLACEBO COMPARATOR
Biological: placebo

Interventions

TNM001BIOLOGICAL

single dose intramuscular injection

TNM001
placeboBIOLOGICAL

single dose intramuscular injection

Placebo

Eligibility Criteria

Age0 Weeks - 12 Months
Sexall
Healthy VolunteersYes
Age GroupsChild (0-17)

You may qualify if:

  • High risk infants under 1 year of age who are entering their first RSV season at the time of screening.
  • Subject's legal representative(s) is(are) able to understand and comply with the requirements and procedures of the protocol,including scheduled visits and sample collection.
  • Subject is available to complete the follow-up period.

You may not qualify if:

  • \. Any fever (\> 38.0°C) or acute illness within 7 days prior to randomization
  • \. History of RSV infection
  • \. Being hospitalized at the time of randomization
  • \. Currently receiving or expected to receive immunosuppressive therapy during the study period.
  • \. Renal impairment or hepatic dysfunction
  • \. Nervous system disease or neuromuscular disease
  • \. Known immunodeficiency including HIV, mother with HIV infection unless the child's infection has been excluded.
  • \. Known allergy history of immunoglobulin products, receipt or expected to receive immunoglobulins or blood products during the study period.
  • Receipt of RSV vaccine or mAb
  • Receiving blood products before randomization

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (2)

West China Second University Hospital, Sichuan University

Chengdu, Sichuan, 610000, China

Location

Children's Hospital of Chongqing Medical University

Chongqing, Sichuan, 404100, China

Location

MeSH Terms

Conditions

Respiratory Syncytial Virus Infections

Condition Hierarchy (Ancestors)

Pneumovirus InfectionsParamyxoviridae InfectionsMononegavirales InfectionsRNA Virus InfectionsVirus DiseasesInfections

Study Officials

  • Hanmin Liu

    West China Second Hospital, Sichuan University

    PRINCIPAL INVESTIGATOR
  • Enmei Liu

    Children's Hospital of Chongqing Medical University

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
phase 3
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
PREVENTION
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

November 26, 2024

First Posted

November 29, 2024

Study Start

November 28, 2024

Primary Completion

July 27, 2025

Study Completion

December 14, 2025

Last Updated

March 5, 2026

Record last verified: 2026-03

Locations