Genetic Polymorphisms in Idiopathic Pulmonary Fibrosis (IPF) (GP)

  • STATUS
    Recruiting
  • End date
    Jul 1, 2035
  • participants needed
    2000
  • sponsor
    University of Pittsburgh
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Updated on 1 February 2024
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Summary

The purposes of this study are:

  • to determine if there are specific genetic traits that might explain why patients have developed pulmonary fibrosis;
  • to determine if specific genetic traits account for differing patterns of inflammation and scar tissue that has formed in the patient's lungs.

Description

Idiopathic pulmonary fibrosis (IPF) is a disease of unknown etiology that is characterized by the insidious development of lung fibrosis ultimately leading to distortion of the lung architecture, respiratory failure, and death. IPF is one of several entities associated with pulmonary fibrosis called the idiopathic interstitial pneumonias (IIP). Based on the histopathologic features of the fibrotic process, it is possible to identify four distinct entities: usual interstitial pneumonia (UIP) (synonymous with IPF), nonspecific interstitial pneumonia (NSIP), desquamative interstitial pneumonia DIP), and acute interstitial pneumonia (AIP) (Hamman-Rich lung). Each type appears to have different clinical progression and a different response to anti-inflammatory therapy. Our overall objective is to elucidate the molecular pathogenesis of IPF (UIP) by identifying factors that determine host susceptibility to this disease. We hypothesize that patients who develop pulmonary fibrosis, have a genetic propensity to abnormal lung repair that leads to fibrosis after acute lung injury. We further hypothesize that these genetic susceptibilities may determine if the pathologic process in the lung after an insult becomes UIP, AIP, NSIP, or DIP. To explore these hypotheses we propose to characterize the genetic polymorphisms in candidate genes involved in inflammation, matrix turnover, fibroblast proliferation and differentiation, and epithelial cell proliferation; and to correlate this with indices of disease progression.

Details
Condition Pulmonary Fibrosis
Age 18years or above
Clinical Study IdentifierNCT00258570
SponsorUniversity of Pittsburgh
Last Modified on1 February 2024

Eligibility

 Yes No Not Sure

Inclusion Criteria

years of age or older
Diagnosis of pulmonary fibrosis confirmed by physical examination, pulmonary function testing, chest X-ray, and computed tomography (CT) scans
Adult patients who are seeking treatment at the Dorothy P. and Richard P. Simmons Center for Interstitial Lung Disease

Exclusion Criteria

Under 18 years of age
Non-fibrotic ILD
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