Use of DNAse in Neutrophilic Asthma
1 other identifier
interventional
19
1 country
1
Brief Summary
In this pilot protocol, the researchers look to determine benefits from use of nebulized rh-DNase for 4 weeks in patients with neutrophilic asthma.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P25-P50 for phase_1
Started Feb 2020
Typical duration for phase_1
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
June 20, 2019
CompletedFirst Posted
Study publicly available on registry
June 21, 2019
CompletedStudy Start
First participant enrolled
February 12, 2020
CompletedPrimary Completion
Last participant's last visit for primary outcome
May 31, 2022
CompletedStudy Completion
Last participant's last visit for all outcomes
December 31, 2022
CompletedApril 20, 2026
February 1, 2020
2.3 years
June 20, 2019
April 16, 2026
Conditions
Outcome Measures
Primary Outcomes (2)
Lung Function
FEV1
4 weeks
Symptom Control
Asthma Control Test
4 weeks
Study Arms (1)
Intervention
EXPERIMENTALrhDNAse 2.5 mg nebulizer daily for 4 weeks
Interventions
Eligibility Criteria
You may qualify if:
- i. Able to read and sign an Informed Consent Form (ICF)
- ii. At least Age 18
- iii. Diagnosis of Asthma with previous source documentation of PC 20 ≤ 16 mg/dl measured by FEV1 and/or reversibility with albuterol of ≥12% in FEV1
- iv. pre-bronchodilator Forced Vital Capacity (FVC) less than 85% predicted AND Serum total MMP9 ≥ 1800 (cut off determined by previous clinical investigation- Medimmune) OR serum IL-8\> 20 pg/ml OR Sputum extracellular DNA ≥ 3.8 µg/mL OR Sputum Neutrophils \> 40%
You may not qualify if:
- i. Pregnancy
- ii. Current smoker, smoking within the past year or pack/year history ≥ 10
- iii. Respiratory infection within past 6 weeks
- iv. Antibiotics within the past 4 weeks
- v. Active lung disease other than asthma
- vi. Cancer within the past 5 years (excluding basal cell skin cancer)
- vii. Chronic infection due to HIV, HBV, or HCV
- viii. Hematologic or autoimmune disease
- ix. Unable to safely undergo bronchoscopy as determined by primary or study doctor.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
National Jewish Health
Denver, Colorado, 80206, United States
MeSH Terms
Interventions
Study Design
- Study Type
- interventional
- Phase
- phase 1
- Allocation
- NA
- Masking
- NONE
- Purpose
- TREATMENT
- Intervention Model
- SINGLE GROUP
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
June 20, 2019
First Posted
June 21, 2019
Study Start
February 12, 2020
Primary Completion
May 31, 2022
Study Completion
December 31, 2022
Last Updated
April 20, 2026
Record last verified: 2020-02