A Study of Rilematovir in Infants and Children and Subsequently in Neonates Hospitalized With Acute Respiratory Tract Infection Due to Respiratory Syncytial Virus (RSV) (DAISY)

    Not Recruiting
  • End date
    May 21, 2025
  • participants needed
  • sponsor
    Janssen Research & Development, LLC
Updated on 28 April 2022
nasal congestion
respiratory tract infection
rsv infection


The purpose of the study is to evaluate the efficacy of rilematovir compared to placebo treatment with respect to the clinical outcome on the RSV Recovery Scale (RRS).


Respiratory syncytial virus (RSV), a negative-stranded ribonucleic acid (RNA) virus belonging to the Pneumoviridae family, is considered the most important cause of acute lower respiratory tract infection (LRTI) in infants and young children. In most patients, RSV results in upper respiratory tract infection (URTI) eliciting "common cold"-like symptoms, which might last up to 2 weeks, and are usually self-limiting. RSV-related LRTI is a major cause of hospital admissions and death in young children worldwide. Rilematovir is an investigational, small molecule, RSV fusion inhibitor. This study aims to evaluate the efficacy and safety of rilematovir in hospitalized infants and children (greater than or equal to [>=] 28 days to less than or equal to [<=] 5 years) and, subsequent to completion of the neonatal substudy, in hospitalized neonates (born at term, less than [<] 28 days of age) with RSV infection. The study will include a Screening Period, a Treatment Period, and a Follow-up Period. The total study duration for each participant will be approximately 36 days (Screening included). The efficacy assessments include evaluation under the RRS and the safety assessments include evaluations of physical examinations, vital signs, electrocardiograms, clinical laboratory tests, and adverse events.

Condition Respiratory Tract Infections
Treatment Placebo, Rilematovir, Rilematovir X mg/kg
Clinical Study IdentifierNCT04583280
SponsorJanssen Research & Development, LLC
Last Modified on28 April 2022

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