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Mold in your home could worsen asthma – new study investigates

NCT ID NCT07313904

Knowledge-focused Sponsor: First Affiliated Hospital of Ningbo University Source: ClinicalTrials.gov ↗

What the study statuses mean

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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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 how fungi in the environment (like mold in homes) affect people with asthma, allergic bronchopulmonary aspergillosis (ABPA), and bronchiectasis. Researchers will collect dust and sputum samples from 125 adults aged 18–80 and follow them for 6 months. The goal is to understand which fungi are present and how they relate to disease severity, but no new treatment is being tested.

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 125 people

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

Started

Jul 2025

Expected to finish

Jun 2026

An estimate. End dates often move.

Lead sponsor

A research network

The lead sponsor is a research network or cooperative group.

Who can take part

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

Who is studied

No bronchial asthma ABPA、 Healthy individuals aged 18-80 with bronchiectasis or other respiratory diseases

Ages

18 to 80 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

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: 1. Age range of 18-80 years old (including 18 and 80 years old), gender and race are not limited; 2. No history of asthma, ABPA, or other chronic respiratory diseases. 3. No history of allergic diseases, such as allergic rhinitis, eczema, or food allergies. 4. Pulmonary function is normal or close to the normal range. 5. Laboratory testing: 1\. Blood routine: High sensitivity C-reactive protein, white blood cells, neutrophils, lymphocytes, and monocytes are all within the normal range. Allergen testing: IgE levels for common allergens such as dust mites, cat hair, dog hair, cockroaches, mold, and pollen are normal or close to the normal range. Exclusion Criteria: 1. Suffering from bronchial asthma ABPA、 Bronchiectasis or other respiratory diseases: chronic obstructive pulmonary disease, active pulmonary tuberculosis, pulmonary embolism, lung cancer, pneumothorax, hemoptysis, pulmonary arterial hypertension, interstitial lung disease, etc; 2. Cancer patients who suffer from serious other systemic diseases, such as myocardial infarction, stroke, hypertensive crisis or refractory hypertension, severe arrhythmia, heart failure, aortic aneurysm, liver failure, renal failure, hematological disorders, etc., and have recently been discovered or are currently receiving treatment; 3. Four weeks prior to enrollment, systemic use of antibiotics, antifungal drugs, immunosuppressants, cytotoxic agents, hormones, etc; 4. Other individuals with contraindications for induced sputum testing:

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Conditions

The condition(s) this trial relates to.

allergic bronchopulmonary aspergillosis asthma bronchiectasis

As listed by the trial registrant

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

ABPA Asthma Bronchiectasis Environmental exposure

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 First Affiliated Hospital of Ningbo University, Ningbo, Zhejiang Recruiting

    RECRUITING

    Ningbo, Zhejiang, 315010, China

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