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This document is an international evidence-based guideline on the diagnosis and management of idiopathic pulmonary fibrosis, and is a collaborative effort of the American Thoracic Society, the European Respiratory Society, the Japanese Respiratory Society, and the Latin American Thoracic Association. It represents the current state of knowledge regarding(More)
BACKGROUND In 2002 the American Thoracic Society/European Respiratory Society (ATS/ERS) classification of idiopathic interstitial pneumonias (IIPs) defined seven specific entities, and provided standardized terminology and diagnostic criteria. In addition, the historical "gold standard" of histologic diagnosis was replaced by a multidisciplinary approach.(More)
BACKGROUND Idiopathic pulmonary fibrosis is a progressive lung disease with a high mortality rate. Because the signaling pathways activated by several tyrosine kinase receptors have been shown to be involved in lung fibrosis, it has been suggested that the inhibition of these receptors may slow the progression of idiopathic pulmonary fibrosis. METHODS In(More)
RATIONALE Idiopathic pulmonary fibrosis (IPF) is a progressive, fatal lung disease lacking effective treatment. OBJECTIVES To determine the effects of bosentan on exercise capacity and time to disease progression in patients with IPF. METHODS In a double-blind, multicenter trial, patients with IPF were randomized to receive oral bosentan 62.5 mg twice(More)
RATIONALE Pulmonary lymphangioleiomyomatosis is a progressive cystic lung disease that is associated with infiltration of atypical smooth muscle-like cells. Previous descriptions of clinical characteristics of subjects with lymphangioleiomyomatosis have been based on a limited number of patients. OBJECTIVES To describe the clinical characteristics of(More)
Between 1996 and 2001, we identified five cases of a unique idiopathic pleuroparenchymal lung disease characterized by a clinical presentation suggestive of a chronic idiopathic interstitial pneumonia, marked pleural and parenchymal radiographic involvement with an upper lobe predominance, and surgical lung biopsy findings that did not fit with any of the(More)
RATIONALE A previous trial of bosentan in idiopathic pulmonary fibrosis (IPF) showed a trend to delayed IPF worsening or death. Also, improvements in some measures of dyspnea and health-related quality of life were observed. OBJECTIVES To demonstrate that bosentan delays IPF worsening or death. METHODS Prospective, randomized (2:1), double-blind,(More)
BACKGROUND Lymphangioleiomyomatosis (LAM) is a progressive, cystic lung disease in women; it is associated with inappropriate activation of mammalian target of rapamycin (mTOR) signaling, which regulates cellular growth and lymphangiogenesis. Sirolimus (also called rapamycin) inhibits mTOR and has shown promise in phase 1-2 trials involving patients with(More)
Many of the body's tissues once thought to be only locally regenerative may, in fact, be actively replaced by circulating stem cells after hematopoietic stem cell transplantation. Localization of donor-derived cells ("chimerism") has recently been shown to occur in the lungs of mice after either hematopoietic stem cell transplantation or infusion of(More)
Removal of cells dying by apoptosis is essential to normal development, maintenance of tissue homeostasis, and resolution of inflammation. Surfactant protein A (SP-A) and surfactant protein D (SP-D) are high abundance pulmonary collectins recently implicated in apoptotic cell clearance in vitro. Other collectins, such as mannose-binding lectin and the(More)