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A Epidemiology Study to Estimate the Attack Rate of Respiratory Syncytial Virus Infection in Older Adults

A Prospective Epidemiology Study to Estimate the Attack Rate of Respiratory Syncytial Virus Infection in Adults Aged 65 Years and Older in Japan - A Prospective Epidemiology Study to Estimate the Attack Rate of Respiratory Syncytial Virus Infection in Adults Aged 65 Years and Older in Japan

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
JPRN
Registry ID
JPRN-UMIN000037891
Enrollment
1000
Registered
2019-09-02
Start date
2019-04-11
Completion date
Unknown
Last updated
2026-06-29

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

Conditions

Respiratory Syncytial Virus Infections

Interventions

None listed

Sponsors

Janssen Pharmaceutical K.K. R&D Clinical Science div. Infectious disease & Vaccine Clinical Development Dept.
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Participants are ambulatory and live in the community, or in assisted living or long-term care residential facilities that provide minimal assistance, such that the participant is primarily responsible for selfcare and activities of daily living such as: a.) able to take care of all shopping needs independently; b.) able to travel independently; c.)able to operate telephone on their own (make or receive calls); d.) responsible for taking medication in correct dosages at correct time; e.) able to perform daily self-care such as bathing, changing clothes, using toilet and grooming - Participants may have one or more chronic medical diagnoses but should be clinically stable as assessed by absence of known, current, and life-limiting diagnoses which, in the opinion of the investigator,render survival to completion of the protocol unlikely - Willing and able (on both a physical and cognitive basis) to give informed consent prior to study enrollment - Able to comply with study requirements; including access to transportation for study visits

Exclusion criteria

Exclusion criteria: -Participants received any experimental antiviral drugs or vaccines against respiratory syncytial virus (RSV) within 6 months prior to the signing Informed Consent Form (ICFs) - Participants who have acute respiratory disease (ARD) at the time of ICF and Week 0 (Baseline) at the discretion of the investigator - Participants with life expectancy less than 1 year - Participants unwilling to undergo nasopharyngeal swab procedures or with any physical abnormality which limits the ability to collect regular nasopharyngeal specimens - Participant who is not able to comply with study-related procedures,due to their mental status or severe clinical condition, based on clinical judgement of the investigator

Design outcomes

Primary

MeasureTime frame
Number of Participants with Protocol Defined Respiratory Syncytial Virus (RSV)-Acute Respiratory Disease (ARD) Confirmed by Reverse Transcriptase Polymerase Chain Reaction (RT-PCR) during study period (up to Week 52)

Secondary

MeasureTime frame
-Number of Participants with Protocol Defined Respiratory Syncytial Virus(RSV)-Lower Respiratory Tract Disease (LRTD) Confirmed by Reverse Transcriptase Polymerase Chain Reaction (RT-PCR) during study period (up to Week 52) -Incidence of Mortality Associated with RSV-ARD -Duration of RSV-ARD -Signs and Symptoms Associated with RSV-ARD -Number of Participants with Hospitalization, Outpatient Visit, and Emergency Room (ER) Visit due to RSV-ARD -Number of Participants with ARD caused by Different Types of Respiratory Pathogens Other Than RSV -Duration of ARD due to Different Types of Respiratory Pathogens Other Than RSV -Signs and Symptoms Associated with ARD Caused by Different Types of Respiratory Pathogens Other Than RSV -Number of Participants with Hospitalization, Outpatient Visit, and Emergency Room (ER) Visit due to ARD Caused by the Different Types of Respiratory Pathogens Other Than RSV -Percentage of Participants with RSV-LRTD by Age-Group, Underlying Comorbidities, Immunosuppression Status, Functional Status and Place of Residence

Countries

Japan

Contacts

Public ContactMaho Yamada

Janssen Pharmaceutical K.K. R&D Clinical Science div. Infectious disease & Vaccine Clinical Development Dept.

myamada1@its.jnj.com03-4411-7700

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026