RSV in elderly vietnamese patients: how big is the problem?
NCT ID NCT07239583
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study will track 1,000 adults aged 60 and older who are hospitalized in Vietnam with breathing problems or worsening heart/lung conditions. Researchers want to find out how many of these cases are caused by RSV (respiratory syncytial virus) and which types of the virus are involved. The goal is to better understand the role of RSV in severe illness among older adults.
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 help doctors understand how often RSV causes severe illness in older adults in Vietnam, guiding future prevention efforts.
- What could go wrong
- This is an observational study, not a treatment trial. It will not test any drug or vaccine, so it cannot directly improve health. Results may not apply to other countries.
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
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About 1,000 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Oct 2025
- Expected to finish
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Mar 2027
An estimate. End dates often move.
- Lead sponsor
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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
Hospitalized adults aged ≥60 years with acute respiratory infections at Tam Anh TP. Ho Chi Minh General Hospital and Tam Anh General Hospital
- Ages
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60 years and older
- Sex
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Anyone
- Healthy volunteers
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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 Hide 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: To be enrolled in the study, participants must meet all inclusion criteria: 1. Individuals ≥ 60 years old at the time of screening (calculated from the date of birth to the date of screening) 2. ARI or exacerbation of cardiopulmonary diseases diagnosed at the time of admission. ARI or ARI-compatible symptoms were defined as either: * New onset or increase from baseline of: nasal congestion, rhinorrhea, sore throat, hoarseness, cough, sputum production, dyspnea, wheezing, hypoxemia, or * Admitting diagnosis suggestive of ARI (e.g., pneumonia, upper respiratory infection, bronchitis, influenza, cough, viral respiratory illness, respiratory distress, or respiratory failure), or * Admitting diagnosis was the exacerbation of an underlying cardiac or pulmonary disease involving acute respiratory symptoms within the previous 2 weeks (e.g., congestive heart failure \[CHF\], chronic obstructive pulmonary disease \[COPD\], or asthma exacerbation). 3. The participant agrees to voluntarily participate in this study. Exclusion Criteria: To be enrolled in the study, participants must have none of the exclusion criteria: 1. Symptom onset \> 6 days prior to screening date 2. Acute symptoms confirmed to be unrelated to infection or as assessed by the investigator 3. Admission to any hospital within the 30 days preceding the screening date 4. Previously enrolled in the study in the last 45 days
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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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
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Tam Anh TP. Ho Chi Minh General Hospital
RECRUITINGHo Chi Minh City, Southern Vietnam, 700000, Vietnam
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