Observational Studies 

The Six Minute Walk Test: Influence of Patient Effort on Results and Interpretation (fast vs far)
Sponsor: Inova Health Care Services

Study of Default Options in Advance Directives
Sponsor: Philadelphia Veterans Affairs Medical Center

Biomarker Discovery for Novel Drug Development in Idiopathic Pulmonary Fibrosis
Sponsor: University of California, San Francisco

Investigating Significant Health Trends in Idiopathic Pulmonary Fibrosis (IPF) (INSIGHTS-IPF)
Sponsor: Dresden University of Technology

Long Term Effects of an Inpatient Pulmonary Rehabilitation Program in Patients With Pulmonary Fibrosis
Sponsor: Klinikum Berchtesgadener Land der Schön-Kliniken, Bavaria, Germany, 83471 

Prevention and Treatment of Interstitial Lung Disease in Systemic Sclerosis
Sponsor: Gabriela Riemekasten, Berlin, Germany

Mechanisms of Exertional Dyspnea in Fibrotic Interstitial Lung Disease (Dyspnea_ILD)
Sponsor: University of British Columbia

The Pennsylvania Idiopathic Pulmonary Fibrosis State-wide Research Registry
Sponsor: University of Pittsburgh

Prospective Evaluation of Patients With Idiopathic Pulmonary Fibrosis Through an IPF Registry
Sponsor: New York University School of Medicine

Inflammation in Interstitial Lung Disease/Idiopathic Pulmonary Fibrosis
Sponsor: Clay Marsh MD

Biomarker Discovery for Novel Drug Development in Idiopathic Pulmonary Fibrosis
Sponsor: University of California, San Francisco

Investigating Significant Health Trends in Idiopathic Pulmonary Fibrosis (IPF)
Sponsor/Collaborators: 
Technische Universität Dresden
GWT-TUD GmbH
Boehringer Ingelheim

The Effect of Pirfenidone on Cough in Patients With Idiopathic Pulmonary Fibrosis
Sponsor/Collaborators: 
Erasmus Medical Center
University of Catania
University of Lyon
King's College Hospital NHS Trust
InterMune

Prospective Study of Fibrosis In the Lung Endpoints (PROFILE - Central England)
Sponsor/Collaborators: University of Nottingham
Medical Research Council
GlaxoSmithKline
CRAFT Consortium
McMaster University

Microaspiration in Pulmonary Fibrosis
Sponsor: University of California, San Francisco

Prospective Observation of Fibrosis in the Lung Clinical Endpoints Study
Sponsor/Collaborators: 
Royal Brompton & Harefield NHS Foundation Trust
GlaxoSmithKline
University College, London
University of Nottingham

Conducting Airways in Lung Fibrosis (VACFI)
Sponsor: Assistance Publique - Hôpitaux de Paris

A Linkage and Association Study in Pulmonary Fibrosis
Sponsor/Collaborators: 
National Jewish Health
University of Colorado, Denver
Vanderbilt University
Landspitali University Hospital

The Role of Rheumatological Evaluation in the Management of Patients With Interstitial Lung Disease
Sponsor: Meir Medical Center

Clinical Outcomes and Molecular Phenotypes in Smokers With Parenchymal Lung Disease
Sponsor/Collaborators: 
National Institutes of Health Clinical Center (CC)
National Heart, Lung, and Blood Institute (NHLBI)

Pulmonary Fibrosis Contact Registry
Sponsor/Collaborators:
National Jewish Health
Pulmonary Fibrosis Foundation
The Coalition for Pulmonary Fibrosis

Supplemental Oxygen in Pulmonary Fibrosis
Sponsor/Collaborators: 
National Jewish Health
The Coalition for Pulmonary Fibrosis
Pulmonary Fibrosis Foundation

Prospective Data Collection of Patients With Diffuse Parenchymal Lung Diseases
Sponsor: Singapore General Hospital