Zephyr Valve Registry (ZEVR)
Public ClinicalTrials.gov record NCT04186546. 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
Zephyr Valve Registry
Study identification
- NCT ID
- NCT04186546
- Recruitment status
- Active, not recruiting
- Study type
- Observational
- Phase
- Not listed
- Lead sponsor
- Pulmonx Corporation
- Industry
- Enrollment
- 150 participants
Conditions and interventions
Conditions
Interventions
- Zephyr Valve Procedure Device
Device
Eligibility (public fields only)
- Age range
- Not listed
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Nov 24, 2019
- Primary completion
- Dec 30, 2026
- Completion
- Dec 30, 2026
- Last update posted
- Apr 28, 2025
2019 – 2026
United States locations
- U.S. sites
- 11
- U.S. states
- 7
- U.S. cities
- 10
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| University of Alabama at Birmingham | Birmingham | Alabama | 35294 | — |
| University of Chicago | Chicago | Illinois | 60637 | — |
| Northwestern Medicine | Winfield | Illinois | 60190 | — |
| Henry Ford Hospital | Detroit | Michigan | 48202 | — |
| The Lung Center | DuBois | Pennsylvania | 15801 | — |
| University of Pennsylvania | Philadelphia | Pennsylvania | 19104 | — |
| Temple University Hospital | Philadelphia | Pennsylvania | 19140 | — |
| University of Pittsburgh School of Medicine | Pittsburgh | Pennsylvania | 15123 | — |
| Houston Methodist | Houston | Texas | 77030 | — |
| Inova Health | Fairfax | Virginia | 22031 | — |
| Froedtert Memorial-Medical College of Wisconsin | Milwaukee | Wisconsin | 53226 | — |
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 NCT04186546, 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 Apr 28, 2025 · Synced Jul 22, 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 NCT04186546 live on ClinicalTrials.gov.