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Scientists map pneumococcal strains in vietnamese kids to boost vaccine strategy

NCT ID NCT07562529

Knowledge-focused Sponsor: Phuc Huu Phan Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only This study
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study looks at 530 children aged 2 months to 5 years who are hospitalized with breathing problems in Vietnam. Researchers will check for pneumococcal bacteria in the nose and use advanced genetic testing to identify types and antibiotic resistance. The goal is to help improve vaccine policies and track resistance patterns.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

What this could lead to
If successful, this study could provide data to improve pneumococcal vaccine recommendations in Vietnam, potentially reducing severe infections in children.
What could go wrong
This is an observational study, not a treatment trial. It will not directly benefit participants, and findings may not apply to other regions or populations.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Participants

About 530 people

The number the study aims to enrol. It can still change while the study runs.

Started

Apr 2026

Expected to finish

Sep 2027

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Who is studied

Children aged 2 months to 59 months hospitalized at Vietnam National Children's Hospital with acute respiratory symptoms

Ages

2 months to 5 years

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Age 2 months to 59 months * Hospitalized with acute respiratory symptoms (≤14 days duration) * Parent or legal guardian provides written informed consent Acute respiratory symptoms defined as one or more of: * Cough * Rhinorrhea * Nasal obstruction * Sore throat * Tachypnea * Wheeze * Retraction Exclusion Criteria: * Confirmed pneumococcal infection within the past 30 days

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As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Acute respiratory symptoms Pneumococcal colonization Streptococcus pneumoniae carriage

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    The full official record for this study. This one lists no contact details, but it is the first place any would appear.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • Vietnam National Children's Hospital

    Hanoi, 00000, Vietnam