NCT05017519

Brief Summary

This household-based prospective cohort study aims to stablish the household transmission of Respiratory syncytial virus and S. pneumoniae especially in the elderly and infants/children as well as inter-relationship between S. pneumoniae and Respiratory syncytial virus.

Trial Health

65
Monitor

Trial Health Score

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

Enrollment
240

participants targeted

Target at P75+ for all trials

Timeline
3mo left

Started Oct 2021

Longer than P75 for all trials

Status
not yet recruiting

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

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Progress95%
Oct 2021Jul 2026

First Submitted

Initial submission to the registry

August 17, 2021

Completed
7 days until next milestone

First Posted

Study publicly available on registry

August 24, 2021

Completed
1 month until next milestone

Study Start

First participant enrolled

October 1, 2021

Completed
4.8 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

July 31, 2026

Expected
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

July 31, 2026

Last Updated

August 24, 2021

Status Verified

August 1, 2021

Enrollment Period

4.8 years

First QC Date

August 17, 2021

Last Update Submit

August 17, 2021

Conditions

Keywords

Streptococcus PneumoniaeRespiratory Syncytial Virushousehold-based

Outcome Measures

Primary Outcomes (2)

  • Household transmission of Streptococcus pneumoniae and Respiratory syncytial virus

    The primary endpoint is the Streptococcus pneumoniae and Respiratory syncytial virus isolation rates in children and their household contacts of different family type.

    2 years

  • The serotype of Streptococcus pneumoniae and Respiratory syncytial virus in post-Prevenar 13 era

    The secondary endpoint is the serotype of Streptococcus pneumoniae and Respiratory syncytial virus in post-Prevenar 13 era.

    2 years

Study Arms (2)

Nuclear family type

The husband and wife with baby (aged less than 5 months) and with or without children (2-5)

Extended family type (three-generation family)

The husband and wife with baby (aged less than 5 months), children (2-5), and grandparents aged \> 65 years old

Eligibility Criteria

Sexall
Healthy VolunteersYes
Age GroupsChild (0-17), Adult (18-64), Older Adult (65+)
Sampling MethodNon-Probability Sample
Study Population

A household-based prospective cohort study will invite 240 households, having a baby who is discharged from MacKay children's Hospital. The households will be classified into nuclear family type and extended family type. The "Nuclear family type" is defined as husband and wife with baby (aged less than 5 months) and with or without children (2-5) and the "Extended family type" (three-generation family) is defined as husband and wife with baby (aged less than 5 months), children (2-5), and grandparents aged \> 65 years old.

You may qualify if:

  • Indicator case: Babies under 5 months of age were born in Mackay Children's Hospital and had no acute respiratory infection-like symptoms that required medical intervention when they agreed to participate in the trial.
  • Family members: family members living with the Indicator case, including 2-5 years old siblings, parents and grandparents over 65 years old.
  • Willing to sign the informed consent form and agree to join the official LINE account to receive research tracking.

You may not qualify if:

  • Babies older than 5 months
  • Co-morbid medical conditions of the baby such as chronic lung disease, cyanotic congenital heart disease, neuromuscular disease and a primary immunodeficiency.
  • Family members who do not live with the Indicator case
  • Family with grandparents younger than 65 years old
  • Someone living with family members refuses to participate in the research.
  • Unwilling to sign informed consent form or refuse to join the official LINE account to receive tracking.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Related Publications (40)

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Biospecimen

Retention: SAMPLES WITH DNA

Nasopharyngeal or throat swab and urine sample

MeSH Terms

Conditions

Pneumococcal InfectionsRespiratory Syncytial Virus Infections

Condition Hierarchy (Ancestors)

Streptococcal InfectionsGram-Positive Bacterial InfectionsBacterial InfectionsBacterial Infections and MycosesInfectionsPneumovirus InfectionsParamyxoviridae InfectionsMononegavirales InfectionsRNA Virus InfectionsVirus Diseases

Study Officials

  • Hsin Chi, Doctor

    Mackay Children's Hospital in Taiwan

    PRINCIPAL INVESTIGATOR

Central Study Contacts

Hsin Chi, Doctor

CONTACT

Nan-Chang Chiu, Doctor

CONTACT

Study Design

Study Type
observational
Observational Model
COHORT
Time Perspective
PROSPECTIVE
Target Duration
2 Years
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Dr.

Study Record Dates

First Submitted

August 17, 2021

First Posted

August 24, 2021

Study Start

October 1, 2021

Primary Completion (Estimated)

July 31, 2026

Study Completion (Estimated)

July 31, 2026

Last Updated

August 24, 2021

Record last verified: 2021-08

Data Sharing

IPD Sharing
Will not share

We will record and analyze the individual participant data by our study team only.