Pulmonx Endobronchial Valves Used in Treatment of Emphysema (LIBERATE Study)
Summary
The registered summary isn't in our current data snapshot. Read it on the ClinicalTrials.gov record ↗. Why? →
Investigators
The overall officials registered on this study. Names that resolve to a findmyKOL profile link to it; the rest are shown as registered.
A profile link is shown only when the registered name resolves to a person record with a confident, namesake-checked match; ambiguous names stay unlinked.
Sites
23 registered facilities, with the per-site recruitment status where the registry publishes one. ClinicalTrials.gov does not publish per-site enrollment counts.
- Hospital de Clinicas Porto Alegre
Porto Alegre, Rio Grande do Sul, Brazil
- Incor - Hospital Das Clinicas de Faculdade de Medicine Da Usp
São Paulo, São Paulo, Brazil
- University Medical Center Groningen
Groningen, Netherlands
- Bristol Royal Infirmary
Bristol, United Kingdom
- University Hospital Llandough and University Hospital of Wales
Cardiff, United Kingdom
- Royal Brompton & Harefield Nhs Foundation Trust
London, United Kingdom
- the University of Alabama at Birmingham
Birmingham, Alabama, United States
- Arizona Pulmonary Specialists
Phoenix, Arizona, United States
- University of Southern California
Los Angeles, California, United States
- El Camino Hospital
Mountain View, California, United States
- University of California at Davis Medical Center
Sacramento, California, United States
- University of California, San Francisco
San Francisco, California, United States
- Stanford University
Stanford, California, United States
- Los Angeles Biomedical Research Institute at Harbor-Ucla Medical Center
Torrance, California, United States
- Orlando Health
Orlando, Florida, United States
- University of Louisville Research Foundation
Louisville, Kentucky, United States
- Beth Israel Deaconess Medical Center
Boston, Massachusetts, United States
- Duke University Medical Center
Durham, North Carolina, United States
- Cleveland Clinic
Cleveland, Ohio, United States
- Temple University Hospital
Philadelphia, Pennsylvania, United States
- University of Pittsburgh Medical Center
Pittsburgh, Pennsylvania, United States
- Medical University of South Carolina
Charleston, South Carolina, United States
- Houston Methodist Hospital
Houston, Texas, United States
Site investigator names are published by ClinicalTrials.gov only while a study recruits, so completed studies list sites without them.
Drugs studied
No drug or biological interventions are in our data for this study — it may test a procedure, device or behavioral intervention, or the intervention list isn't in our current snapshot. See the registry record ↗. Why? →
Registration & key dates
Registry attributes as recorded on the ClinicalTrials.gov study record.
- Start
- 31 Jul 2013
- Primary completion
- 30 Sept 2017
- Completion
- 30 Apr 2023
- Last update posted
- 15 Jun 2023
- Registered enrollment
- 190
- Registry id
- NCT01796392
Source: ClinicalTrials.gov, via the CTTI AACT database, data as of 12 Jul 2026. Registry facts are shown as registered by the study sponsor; findmyKOL does not interpret them.