Is RSV a hidden driver of severe COPD attacks?
NCT ID NCT06735612
First seen Sep 14, 2026 · Last updated Sep 15, 2026 · Updated 1 time
Summary
Researchers are studying adults with COPD who go to the emergency room or day hospital for sudden worsening of their breathing. The study checks how many of these patients test positive for respiratory syncytial virus (RSV) during the RSV season, from October to April. They compare patients with and without RSV to see if the virus is linked to more hospital admissions, longer stays, heart problems, or death. Participants receive standard COPD care and routine RSV testing; no experimental treatment is given.
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 RSV turns out to be a common trigger of COPD flare-ups, doctors could test for it more routinely and consider antiviral or vaccine strategies to protect this group.
- What could go wrong
- This is an observational study, so it can show patterns but not prove cause and effect. RSV may turn out to be a minor player compared with other triggers, and the findings may not apply to all COPD patients.
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Study facts
What this study's own registry entry says, in plain language.
- Participants
-
716 people
The number who actually took part.
- Started
-
Dec 2024
- Finished
-
May 2026
- 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
Patients with the presence of RSV infection (RSV+ considered as cases and RSV- considered as controls) in ECOPD at the Emergency Room or Day Hospital facilities.
- Ages
-
50 years and older
- 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 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: * Female or male * ≥50 years of age * Seeking urgent medical attention because of ECOPD, as defined by the Rome consensus definition: "in a patient with COPD, an exacerbation is an event characterized by dyspnea and/or cough and sputum that worsen over \<14 d, which may be accompanied by tachypnoea and/or tachycardia and is often associated with increased local and systemic inflammation caused by airway infection, pollution, or other insult to the airways" Exclusion Criteria: * Previous RSV vaccination (other vaccines will be allowed and recorded) * Active cancer (or any other disease) that may alter the immune status of the patient * Neurologic disorders that incapacitate the participation of the patient * No signing of the informed consent
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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.
Contacts and locations
Locations
-
Hospital Clínic de Barcelona
Barcelona, Spain
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