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Can dupilumab help lungs clear mucus better in asthma?

NCT ID NCT04743791

Disease control Sponsor: Sally E. Wenzel MD 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Aug 07, 2026 · Updated 3 times

Summary

This study is testing whether the drug dupilumab can improve how well the lungs clear mucus in people with moderate-to-severe asthma. Thirty adults will receive either dupilumab or a placebo for 12 weeks. Researchers will measure mucus clearance using a special imaging technique, along with lung function and asthma control.

What this could mean

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

Active substance
Dupilumab (a biologic drug given as an injection)
What this could lead to
If successful, this could show that dupilumab improves the lungs' ability to clear mucus, pointing to a better way to control asthma symptoms.
What could go wrong
This is a small, early-phase study (30 people) focused on a specific lung measurement, not on long-term outcomes. It may not lead to new treatments or apply to all asthma patients.

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.

Phase

Phase 4

Runs after approval, following long-term safety and how well the treatment works in everyday use.

Participants

About 30 people

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

Started

Oct 2022

Expected to finish

Jun 2028

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.

Ages

18 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: * Moderate - Severe Th2 (Type 2) High asthma, as defined by Forced Expiratory Volume in one second (FEV1) \<90% predicted, on medium to high dose inhaled corticosteroids (ICS) with or without a second controller * Age \> 18 * Inhaled steroid doses of 500micrograms (mcg) per day or more (Fluticasone equivalent) * Reversibility \>/= 12% at screening or within the past 2 years, or a positive methacholine challenge test within the past 2 years, or a positive methacholine challenge during screening * FEV1/Forced Vital Capacity (FVC)\<75% * Blood Eosinophils (EOS) \>300 cells per mm3 * Exhaled Nitric Oxide (FeNO) \>25 parts per billion (ppb) * Asthma Control Test (ACT) score \<20 Exclusion Criteria: * Pregnant, nursing, or unwilling to test for pregnancy * Current smoker or \>10 pack year smoking history * Body Mass Index (BMI)\>37 * Respiratory infection in the last 30 days * Use of antibiotics or oral prednisone in the last 30 days * Current or previous use of dupilumab * Current or recent use of anti-IL-5 therapies * Any other criteria that place the subject at unnecessary risk * Diagnosis of other lung diseases including Chronic Obstructive Pulmonary Disease (COPD) * History of non-skin cell cancer in the last 5 years * Drug or alcohol addiction in the last 5 years * Any other uncontrolled disease

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Conditions

The condition(s) this trial relates to.

asthma

As listed by the trial registrant

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

Asthma

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

  • The University of Pittsburgh Asthma Institute at UPMC

    RECRUITING

    Pittsburgh, Pennsylvania, 15213, United States

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