Phosphodiesterase 4 Inhibitor, Roflumilast, and the Effects of Inhibition in Severe Asthma
Public ClinicalTrials.gov record NCT04108377. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
Phosphodiesterase 4 Inhibitor, Roflumilast, Improves Beta Agonist Responsiveness Compared to Placebo in Low T2 Asthma Patients.
Study identification
- NCT ID
- NCT04108377
- Recruitment status
- Terminated
- Study type
- Interventional
- Phase
- Phase 1
- Lead sponsor
- University of California, Davis
- Other
- Enrollment
- 5 participants
Conditions and interventions
Conditions
Interventions
- Roflumilast Drug
- Placebo Drug
Drug
Eligibility (public fields only)
- Age range
- 18 Years and older
- Sex
- All
- Healthy volunteers
- Accepts healthy volunteers
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Jan 20, 2019
- Primary completion
- Dec 10, 2022
- Completion
- Aug 14, 2023
- Last update posted
- Oct 23, 2023
2019 – 2023
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| UC Davis | Sacramento | California | 95816 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT04108377, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Oct 23, 2023 · Synced Jun 26, 2026
Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.
Open the official record
The complete protocol, eligibility criteria, and contact information for NCT04108377 live on ClinicalTrials.gov.