Phase 4
N=15
Effects of Interleukin (IL)- 4R-alpha Inhibition on Respiratory Microbiome and Immunologic Correlates in Severe Asthma
Asthma
Bottom Line
View on ClinicalTrials.gov: NCT05036733 ↗Enrolled (actual)
15
Serious AEs
13.3%
Results posted
Oct 2024
Primary outcome: Primary: Changes in Alpha-diversity of Respiratory Microbiota — 0.13 Shannon's index
Study Design & Population
- Study type
- Interventional
- Phase
- Phase 4
- Interventions
- Dupilumab (Drug)
- Age
- Adult, Older Adult · 18+ yrs
- Sex
- All
- Sponsor
- University of Michigan
- Primary completion
- Jun 2023
Outcome Measures
| Outcome | Result | p-value |
|---|---|---|
| PRIMARY Changes in Alpha-diversity of Respiratory Microbiota |
-0.09 | — |
| PRIMARY Changes in Alpha-diversity of Respiratory Microbiota |
-0.09 | — |
| PRIMARY Changes in Alpha-diversity of Respiratory Microbiota |
-0.09 | — |
| PRIMARY Change in Beta-diversity of Respiratory Microbiota |
0.81 | — |
| PRIMARY Change in Beta-diversity of Respiratory Microbiota |
0.81 | — |
| PRIMARY Change in Beta-diversity of Respiratory Microbiota |
0.81 | — |
| PRIMARY Change in Relative Abundances of Microbiota Members |
8.3; 3.3; -3.5; -1.6; 0.1; -4.5 | — |
| PRIMARY Change in Relative Abundances of Microbiota Members |
8.3; 3.3; -3.5; -1.6; 0.1; -4.5 | — |
| PRIMARY Change in Relative Abundances of Microbiota Members |
8.3; 3.3; -3.5; -1.6; 0.1; -4.5 | — |
| PRIMARY Change in Respiratory Bacterial Burden |
-9,927,388,331 | — |
| PRIMARY Change in Respiratory Bacterial Burden |
-9,927,388,331 | — |
| PRIMARY Change in Respiratory Bacterial Burden |
-9,927,388,331 | — |
| PRIMARY Changes in Alpha-diversity of Stool Microbiota |
0.42 | — |
| PRIMARY Changes in Alpha-diversity of Stool Microbiota |
0.42 | — |
| PRIMARY Changes in Alpha-diversity of Stool Microbiota |
0.42 | — |
| PRIMARY Change in Beta-diversity of Stool Microbiota |
0.71 | — |
| PRIMARY Change in Beta-diversity of Stool Microbiota |
0.71 | — |
| PRIMARY Change in Beta-diversity of Stool Microbiota |
0.71 | — |
| SECONDARY Forced Expiratory Volume ( FEV1) / Forced Vital Capacity (FVC) Ratio |
0.75; 0.78; 0.77 | — |
| SECONDARY Forced Expiratory Volume (FEV1) |
85; 88; 89 | — |
| SECONDARY Change in Fractional Exhaled Nitric Oxide (FeNO) |
32; 24; 17 | — |
| SECONDARY Asthma Control Test (ACT) |
15; 21; 21 | — |
| SECONDARY Mini Asthma Quality of Life Questionnaire Score (mAQLQ) |
4.2; 5.2; 5.6 | — |
| SECONDARY Sino-nasal Outcome Test (SNOT-22) |
44; 24; 21 | — |
| SECONDARY Change in Prescribed Maintenance Corticosteroid Use (Inhaled or Oral), Between Baseline and 4 Months. |
— | — |
| SECONDARY Number of Asthma Exacerbations Requiring at Least 3 Days of Oral Corticosteroids |
1 | — |
Summary
The overall goal of this study is to understand biological responses related to dupilumab treatment among severe asthma patients.
Not all asthma is the same, and characteristics of asthma vary from person to person. The study will investigate whether the study drug can help to improve the health of participants lungs, boost immune response, as well as improve quality of life.
Eligibility Criteria
Inclusion Criteria
- Physician-diagnosed/managed severe asthma patients that are clinically eligible for dupilumab
- Current treatment with a medium-to-high-dose inhaled glucocorticoid (fluticasone propionate at a total daily dose of greater or equal (≥) 440 μg or equipotent equivalent) plus up to at least one additional controller (e.g., a long-acting β2-agonist or leukotriene receptor antagonist)
- Eosinophilic asthma phenotype (blood eosinophil level >300) or asthma requiring daily oral corticosteroids
- Asthma that is uncontrolled, as defined by a score on the Asthma Control Test of 19 or lower, or a worsening of asthma in the past year that led to an asthma hospitalization, Emergency Department visit, or 3 days of oral corticosteroids
- Severity of asthma that, in the opinion of the subject's asthma care specialist, requires dupilumab for control
- For women of childbearing age: agree to use birth control or remain abstinent during the duration of the study.
Exclusion Criteria
- Patients with diagnosis of other chronic lung diseases (e.g. Chronic obstructive pulmonary disease (COPD), idiopathic pulmonary fibrosis, Churg-Strauss syndrome, Allergic bronchopulmonary aspergillosis, etc.)
- Current smoker or reported smoking within 1 month of the screening visit (tobacco or any inhaled recreational product)
- Greater than 10 total pack-year of cigarette smoking history
- Treatment with oral corticosteroids for an asthma exacerbation 1 month prior to screening or during the screening period
- Use of any biologic therapy for asthma within the past 3 months
- Respiratory or Gastrointestinal illness within 1 month prior to screening or during the screening period
- Treatment with antibiotics for acute infections within six weeks prior to screening or during the screening period.
- Pregnancy at enrollment or during the study
- Known hypersensitivity to dupilumab or its excipients
Data sourced from ClinicalTrials.gov (NCT05036733). Outcome figures and adverse-event rates are extracted automatically from the registry's posted results and are provided for clinician reference, not as a substitute for the primary publication.