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COPD study aims to unlock clues behind immune cell drop during severe attacks

NCT ID NCT06188065

Knowledge-focused Sponsor: Northumbria Healthcare NHS Foundation Trust Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 why some people hospitalized for a severe COPD flare-up have low levels of a certain white blood cell (eosinophils) and how long it takes for those levels to return to normal. Researchers will follow 200 patients to identify factors linked to this condition and track recovery. The goal is to better understand the body's response during severe COPD episodes, not to test a new treatment.

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 200 people

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

Started

Jan 2024

Expected to finish

Jul 2026

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

Participants will be aged 35 years and over. They will have been admitted to hospital with an exacerbation of COPD +/- eosinopenia.

Ages

35 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

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

Inclusion Criteria: * Admitted to hospital with primary clinical diagnosis of exacerbation of COPD\* * Smoking history of at least 10 pack years * Airflow obstruction: FEV1/FVC ratio \< 0.7 confirmed on historic or inpatient spirometry * Capacity to give informed consent to participate Exclusion Criteria: * Parasitic infection, systemic fungal infection (excluding infection limited to nails or skin), eosinophilic granulomatosis with polyangiitis, hypereosinophilic syndrome or other conditions associated with a high eosinophil count# * Active malignancy * Maintenance oral prednisolone or other systemic steroids, anti-interleukin 5 therapy or other medication known to influence eosinophils * Patients with poor venous access * Investigator confirmed history of asthma * Non-COPD related health problems which in the view of the primary investigator may compromise the conduct and completion of the study ADDITIONAL CRITERIA FOR THE TIME TO RECOVERY FROM EOSINOPENIA ANALYSIS ONLY Inclusion criteria: * Eosinopenia on admission * Uneventful recovery\* * Eosinopenia on admission who do not receive a further course of systemic corticosteroids or require emergency hospital admission for an acute illness in the six weeks following admission to hospital with a severe exacerbation of COPD.

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Conditions

The condition(s) this trial relates to.

chronic obstructive pulmonary disease

As listed by the trial registrant

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

Chronic obstructive pulmonary disease

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

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    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

  • Northumbria Healthcare NHS Foundation Trust

    RECRUITING

    North Shields, United Kingdom

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