MedPath

A study to determine if the study medicine called Sisunatovir is safe and prevents severe illness in adults with Respiratory Syncytial Virus infection.

Phase 2
Conditions
Health Condition 1: J22- Unspecified acute lower respiratory infection
Registration Number
CTRI/2024/04/065929
Lead Sponsor
Pfizer Inc.
Brief Summary

Not available

Detailed Description

Not available

Recruitment & Eligibility

Status
ot Yet Recruiting
Sex
Not specified
Target Recruitment
0
Inclusion Criteria

(1) Participants aged 18 years or older at screening.

(2) Diagnosis of RSV infection collected within 5 days prior to randomization.

(3) New onset or worsening (if present chronically) of at least one of the following signs and/or symptoms consistent with a viral acute respiratory infection (ARI), within 5 days prior to randomization: nasal congestion, nasal discharge, sore throat, cough, sputum production, shortness of breath, or wheezing.

(4) Has at least 1 of the following characteristics or underlying medical conditions: a) 65 years of age or older b) Chronic lung disease, c) Heart failure, d) Immunosuppressive disease/condition or immune-weakening medications

Exclusion Criteria

1. Any medical (eg, confirmed concurrent active systemic infection other than RSV

including bacterial, fungal, or viral) or psychiatric condition including recent (within the past year) or active suicidal ideation/behavior or laboratory abnormality that may increase the risk of study participation or, in the investigator’s judgment, make the participant inappropriate for the study or interfere with the evaluation of response to the study intervention.

2. Diagnosis of viral respiratory infections other than RSV including influenza and SARSCoV-2, within 7 days prior to randomization. A negative test for SARS-CoV-2 and

influenza is required within 7 days prior to randomization.

3. Current need for hospitalization or anticipated need for hospitalization for any reason to provide inpatient/acute care within 24 hours after randomization in the clinical opinion of the site investigator.

4. Known history or has risk factors for QT prolongation or Torsades de Pointes (eg,

organic heart disease, hypokalemia, hypomagnesaemia, congenital long QT syndrome) or

congenital deafness, family history of long QT syndrome or unexplained sudden death

OR a standard 12-lead ECG with QTcF =450 ms.

Study & Design

Study Type
Interventional
Study Design
Not specified
Primary Outcome Measures
NameTimeMethod
Proportion of participants with Respiratory Syncytial Virus (RSV)-related hospitalization or death from any cause through Day 28, among patients treated =3 days after RSV symptom onsetTimepoint: 28 days
Secondary Outcome Measures
NameTimeMethod
Mean number of days alive & free from hospital stay (hospital-free days) through Day 28.Timepoint: 28 days;Proportion of participants with progression or development of Lower Respiratory Tract Infection (LRTI) through Day 10Timepoint: 10 days;Proportion of participants with resolution of LRTI at Day 15Timepoint: 15 days;Proportion of participants with Respiratory Syncytial Virus (RSV)-related visits or death from any cause through Day 28.daysTimepoint: 28;Proportion of participants with RSV-related hospitalization or death from any cause through Day 28.Timepoint: 10 days & 28 days
© Copyright 2025. All Rights Reserved by MedPath