Drivers of Eosinophilic COPD Exacerbations

NCT ID: NCT04961060

Last Updated: 2021-07-14

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

UNKNOWN

Total Enrollment

100 participants

Study Classification

OBSERVATIONAL

Study Start Date

2021-07-31

Study Completion Date

2025-01-31

Brief Summary

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Main objective: investigate gene expression differences in nasal epithelium and sputum between eosinophilic COPD exacerbations and other subtypes.

Detailed Description

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Main objective: investigate gene expression differences in nasal epithelium and sputum between eosinophilic COPD exacerbations and other subtypes to better understand why some patients are more at risk for eosinophilic COPD exacerbations. Secondary objectives:

1. Investigate differences in microbiome composition and immunophenotyping profiles in peripheral blood per subtype.
2. Assess for clinical differences between all COPD exacerbation subtypes.
3. Assess if and how baseline meta-transcriptomics either in nasal epithelium or sputum and blood immunophenotyping can be utilized to predict COPD exacerbation subtype.
4. Determine if the microbiome in sputum and nasal epithelial material are comparable.
5. Determine if different subtypes of COPD exacerbations respond differently to standard treatment with oral prednisolone (40 mg daily) with or without antibiotics.
6. To evaluate if metabolic responses during recovery are different in patients with increased systemic inflammation compared to patients without systemic inflammation at exacerbation

Conditions

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COPD Exacerbation Eosinophilia

Study Design

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Observational Model Type

COHORT

Study Time Perspective

PROSPECTIVE

Study Groups

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Eosinophilic exacerbation

COPD exacerbation associated with eosinophilia.

No interventions assigned to this group

Viral exacerbation

COPD exacerbation associated with viral infection.

No interventions assigned to this group

Bacterial exacerbation

COPD exacerbation associated bacterial infection.

No interventions assigned to this group

Pauci-inflammatory exacerbation

Pauci-inflammatory COPD exacerbation

No interventions assigned to this group

Eligibility Criteria

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Inclusion Criteria

1. COPD patient admitted to the hospital for an acute exacerbation of COPD
2. Physician diagnosed COPD according to the GOLD 2020 guidelines, including symptoms consistent with COPD, post-bronchodilator FEV1 \< 80% predicted and FEV1/FVC \< 70%.
3. Age \> 40 years.
4. Smoker or ex-smoker, ≥ 10 pack years of smoking.

Exclusion Criteria

1. Current asthma, or prior physician diagnosis of asthma without a symptom- free interval of at least 10 years before the age of 40.
2. Chronic use of prednisolone.
3. Use of systemic corticosteroids ≥4 days prior to hospital admission.
4. Necessity (upon hospitalization) for non-invasive ventilation or ICU admission.
5. Pneumonia at presentation documented by chest roentgenography.
6. Any other clinically relevant lung disease deemed to interfere with the concept of the study design.
7. Allergy to systemic corticosteroids or to antibiotics.
8. Females of childbearing potential without an efficient contraception unless they meet the following definition of post-menopausal: 12 months of natural (spontaneous) amenorrhea or 6 months of spontaneous amenorrhea with serum FSH \>40 mIU/mL or the use of one or more of the following acceptable methods of contraception:

1. Surgical sterilization (e.g. bilateral tubal ligation, hysterectomy).
2. Hormonal contraception (implantable, patch, oral, injectable).
3. Barrier methods of contraception: condom or occlusive cap (diaphragm or cervical/vault caps) with spermicidal foam/gel/cream/suppository.
4. Continuous abstinence
9. Pregnancy or lactation.
10. Known immunodeficiency.
11. Life expectancy less than 60 days
Minimum Eligible Age

40 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Maastricht University

OTHER

Sponsor Role collaborator

GlaxoSmithKline

INDUSTRY

Sponsor Role collaborator

University Medical Center Groningen

OTHER

Sponsor Role lead

Responsible Party

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Maarten van den Berge

Principal Investigator

Responsibility Role PRINCIPAL_INVESTIGATOR

Principal Investigators

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Maarten van den Berge, PhD

Role: PRINCIPAL_INVESTIGATOR

UMCG

Locations

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University Maastricht

Maastricht, Limburg, Netherlands

Site Status NOT_YET_RECRUITING

Univesity Medical Center Groningen

Groningen, , Netherlands

Site Status RECRUITING

Countries

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Netherlands

Central Contacts

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Lisa H van Smoorenburg, MSc.

Role: CONTACT

+3150 361 6102

Maarten van den Berge, PhD

Role: CONTACT

+3150 361 52 60

Facility Contacts

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Sami O Simons, PhD

Role: primary

+3143 387 55 00

Lisa H van Smoorenburg, MSc.

Role: primary

+3150 361 6102

Maarten van den Berge, PhD

Role: backup

+3150 361 52 60

References

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Other Identifiers

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NL75151.042.20

Identifier Type: -

Identifier Source: org_study_id

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