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Concomitant Idiopathic Pulmonary Fibrosis and Lung Cancer: An Updated Narrative Review
Bartłomiej Czyżak1, Sebastian Majewski1
1Department of Pneumology, Medical University of Lodz, 90-153 Lodz, Poland.
Abstract:
Idiopathic pulmonary fibrosis (IPF) is a chronic and progressive interstitial lung disease (ILD) with poor prognosis and limited therapeutic options. The introduction of antifibrotic agents has improved survival outcomes in IPF patients, which has led to more frequent recognition of comorbidities, particularly lung cancer (LC). This review summarizes current evidence on the epidemiology and pathogenesis of LC in the context of IPF, with particular emphasis placed on shared molecular, cellular, genetic, and epigenetic alterations. Diagnostic approaches and available treatment modalities, including surgical, systemic, and radiation therapies, are outlined, and their limitations in patients with IPF-LC are discussed. Acute exacerbations (AEs), as a life-threatening complication influencing diagnostic and treatment strategies, are specifically addressed. Moreover, studies indicating a possible protective effect of antifibrotic agents against LC development in IPF are reviewed. Further research is warranted into the shared mechanisms of IPF and LC to identify novel therapeutic targets. Establishing standardized, multidisciplinary clinical guidelines is essential for optimizing patient management, reducing AE risk, and improving patient outcomes.
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