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ClinicalTrials.gov record
Enrolling by invitation Phase 3 Interventional

Extension Study of Inhaled Treprostinil in Subjects With Fibrotic Lung Disease

ClinicalTrials.gov ID: NCT04905693

Public ClinicalTrials.gov record NCT04905693. 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.

ClinicalTrials.gov public records Last synced Oct 17, 2026, 5:18 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

An Open-label Extension Study of Inhaled Treprostinil in Subjects With Fibrotic Lung Disease (TETON-OLE)

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

Study RIN-PF-302 is designed to evaluate the long-term safety and tolerability of inhaled treprostinil in subjects with idiopathic pulmonary fibrosis or progressive pulmonary fibrosis.

Study identification

NCT ID
NCT04905693
Recruitment status
Enrolling by invitation
Study type
Interventional
Phase
Phase 3
Lead sponsor
United Therapeutics
Industry
Enrollment
1,850 participants

Conditions and interventions

Eligibility (public fields only)

Age range
40 Years and older
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
Sep 6, 2022 (Actual)
Primary completion
Dec 2029 (Estimated)
Completion
Dec 2029 (Estimated)
Last update posted
Oct 6, 2026

2022 – 2029

United States locations

U.S. sites
81
U.S. states
30
U.S. cities
69
Facility City State ZIP Site status
The University of Alabama at Birmingham Birmingham Alabama 35233 —
Clinical Trials Center of Middle Tennessee Franklin Arizona 37067 —
Banner University Medical Center-Phoenix Phoenix Arizona 85006 —
St. Joseph's Hospital and Medical Center - Norton Thoracic Institute Phoenix Arizona 85013 —
University of Arizona Tucson Arizona 85724 —
UC San Diego Health La Jolla California 92037 —
David Geffen School of Medicine at UCLA Los Angeles California 90095 —
NewportNativeMD, Inc Newport Beach California 92663 —
UC Davis Health Medical Center Sacramento California 95817 —
University of California San Francisco San Francisco California 94143 —
Stanford University School of Medicine Stanford California 94305 —
National Jewish Health Denver Colorado 80206 —
University of Florida Health at Shands Gainesville Florida 32610 —
Ascension St. Vincent's Jacksonville Florida 32204 —
Mayo Clinic Florida Jacksonville Florida 32224 —
Pulmonary Disease Specialists, PA d/b/a PDS Research Kissimmee Florida 34741 —
Central Florida Pulmonary Group, PA Orlando Florida 32803 —
University of South Florida Health Tampa Florida 33606 —
Cleveland Clinic Florida Weston Florida 33331 —
Piedmont Healthcare Atlanta Atlanta Georgia 30309 —
Emory University Atlanta Georgia 30322 —
Northwestern Memorial Hospital Chicago Illinois 60611 —
Loyola University Medical Center Maywood Illinois 60153 —
University of Kansas Medical Center Kansas City Kansas 66160 —
Norton Pulmonary Specialists Louisville Kentucky 40202 —
University of Louisville Healthcare Outpatient Center Louisville Kentucky 40202 —
Tulane University Medical Center New Orleans Louisiana 70112 —
LSU Health Science Center Shreveport Shreveport Louisiana 71103 —
Johns Hopkins Asthma and Allergy Center Baltimore Maryland 21224 —
Adventist Healthcare White Oak Medical Center Silver Spring Maryland 98374 —
Tufts Medical Center Boston Massachusetts 02111 —
Massachusetts General Hospital Boston Massachusetts 02114 —
Brigham and Women's Hospital Boston Massachusetts 02115 —
University of Michigan Int Med Pulmonary and critical care Ann Arbor Michigan 48109 —
Corewell Health William Beaumont Hospital Royal Oak Michigan 48073 —
University of Minnesota Minneapolis Minnesota 55455 —
Mayo Clinic, Division of Pulmonary and Critical Care Medicine Rochester Minnesota 55905 —
University Mississippi Medical Center Jackson Mississippi 39216 —
The Lung Research Center, LLC Chesterfield Missouri 63017 —
Washington University School of Medicine St Louis Missouri 63110 —
Creighton University Clinical Research Office Omaha Nebraska 68124 —
University of New Mexico Health Sciences Center Albuquerque New Mexico 87106 —
Stony Brook Advanced Specialty Care Commack New York 11725 —
Northwell Health New Hyde Park New York 11042 —
Weill Cornell Medical Center New York New York 10021 —
University of Rochester Medical Center Rochester New York 14642 —
Montefiore Medical Center The Bronx New York 10467 —
Duke University Medical Center Durham North Carolina 27710 —
PulmonIx, LLC Greensboro North Carolina 27403 —
East Carolina University Greenville North Carolina 27834 —
Southeastern Research Center Winston-Salem North Carolina 27103 —
University of Cincinnati Medical Center Cincinnati Ohio 45227 —
Cleveland Clinic Cleveland Ohio 44195 —
The Ohio State University Wexner Medical Center Columbus Ohio 43201 —
University of Oklahoma Health Sciences Center Oklahoma City Oklahoma 73104 —
The Oregon Clinic Portland Oregon 97220 —
Penn State Milton S.Hershey Medical Center Hershey Pennsylvania 17033 —
Hospital of the University of Pennsylvania Philadelphia Pennsylvania 19104 —
Thomas Jefferson,Hospital University Philadelphia Pennsylvania 19107 —
Temple University Hospital Philadelphia Pennsylvania 19140 —
Medical University of South Carolina Charleston South Carolina 29425 —
Prisma Health Midlands Columbia South Carolina 29203 —
Clinical Research of Rock Hill Rock Hill South Carolina 29732 —
StatCare Pulmonary Consultants, PLLC Knoxville Tennessee 37919 —
Vanderbilt University Medical Center Nashville Tennessee 37204 —
Baylor University Medical Center Dallas Texas 75246 —
University of Texas Southwestern Medical Center Dallas Texas 75390-8550 —
Baylor College of Medicine Houston Texas 77030 —
Houston Methodist Houston Texas 77030 —
The University of Texas Health Science Center at Houston, McGovern Medical School Houston Texas 77030 —
The University of Texas Health Science Center at Houston Houston Texas 77030 —
A & A Research Consultants, LLC McAllen Texas 78503 —
Metroplex Pulmonary and Sleep Center PA McKinney Texas 75069 —
Renovatio Clinical The Woodlands Texas 77380 —
Intermountain Healthcare Murray Utah 84107 —
University of Utah Health Salt Lake City Utah 84108 —
University of Virginia Health Systems Charlottesville Virginia 22903 —
Inova Fairfax Hospital Falls Church Virginia 22042 —
Pulmonary Associates of Richmond, Inc. Richmond Virginia 23230 —
University Hospital and UW Health Clinics Madison Wisconsin 53792 —
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.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 109 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT04905693, 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 6, 2026 · Synced Oct 17, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT04905693 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →