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Idiopathic pulmonary fibrosis (IPF) is a progressive disease for which there is no effective treatment. Interferon-gamma is a medication that has been used for other lung diseases to decrease scarring and fibrosis. Studies of interferon-gamma injected under the skin did not show any improvement in survival in patients with IPF. We hypothesize that giving interferon-gamma as a nebulized mist directly into the lungs can affect the immune system in a way that decreases fibrosis.
Patients with mild-to-moderate idiopathic pulmonary fibrosis (IPF) will be enrolled in a phase I study of aerosol interferon-gamma (IFN-γ). Prior to initiation of treatment, patients will undergo CT of the chest, pulmonary function testing, and bronchoscopy with bronchoalveolar lavage. They will also undergo a lung deposition study to determine the lung dose of IFN-γ that will be delivered with each treatment. Patients will then receive aerosol IFN-γ 100mcg delivered three times weekly via nebulizer for one year. Study patients will be followed monthly to monitor potential side effects, vital signs, and progression of IPF symptoms. Labs will be drawn at regular intervals to monitor for side effects and to measure cytokine levels. Bronchoscopy will be performed at the 6 and/or 12 month visit to compare cytokine levels pre-, during, and post-treatment.
Allocation: Non-Randomized, Control: Uncontrolled, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment
Division of Pulmonary & Critical Care Medicine, NYU School of Medicine
New York University School of Medicine
Published on BioPortfolio: 2014-08-27T03:34:57-0400
A Safety and Efficacy trial of aerosol Interferon-gamma treatment in Pulmonary Fibrosis
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The assay of INTERFERON-GAMMA released from lymphocytes after their exposure to a specific test antigen, to check for IMMUNOLOGIC MEMORY resulting from a previous exposure to the antigen. The amount of interferon-gamma released is usually assayed by an ENZYME-LINKED IMMUNOSORBENT ASSAY.
A type II interferon produced by recombinant DNA technology. It is similar to the interferon secreted by lymphocytes and has antiviral and antineoplastic activity.
The major interferon produced by mitogenically or antigenically stimulated LYMPHOCYTES. It is structurally different from TYPE I INTERFERON and its major activity is immunoregulation. It has been implicated in the expression of CLASS II HISTOCOMPATIBILITY ANTIGENS in cells that do not normally produce them, leading to AUTOIMMUNE DISEASES.
An interferon regulatory factor that recruits STAT1 PROTEIN and STAT2 PROTEIN heterodimers to interferon-stimulated response elements and functions as an immediate-early protein.
A multimeric complex that functions as a ligand-dependent transcription factor. ISGF3 is assembled in the CYTOPLASM and translocated to the CELL NUCLEUS in response to INTERFERON signaling. It consists of ISGF3-GAMMA and ISGF3-ALPHA, and it regulates expression of many interferon-responsive GENES.
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