Background: The use of epidermal growth factor receptor-tyrosine kinase inhibitors (EGFR-TKIs) can potentially result in interstitial lung disease (ILD), which can substantially impact a patient's quality of life, subsequently leading to the interruption or discontinuation of EGRF-TKI treatment. Clinicians, therefore, need to thoroughly assess patients to determine if they are at risk for ILD.
Methods: We searched for observational study in the following databases: MEDLINE via the PubMed, CENTRAL, and IchushiWeb. The primary outcome was risk factors for the development of ILD, while the secondary outcome was risk factors for the severity of ILD. Of the 1602 studies returned, we selected 11 for meta-analysis, performed using a random-effects model.
Results: Risk factors for developing ILD were sex (odds ratio (OR), 1.87; 95% confidence interval (CI), 1.08-3.22; I2 = 0%; P = 0.02), smoking history (OR, 2.13; 95% CI, 1.51-3.00; I2 = 3 4%; P = 0.0001), and history of ILD (OR = 5.95; 95% CI, 3.34-10.59; I2 = 67%; P = 0.0009). Age, previous thoracic surgery or radiotherapy, performance status, histological type of lung cancer, and treatment line were not statistically significant risk factors for ILD. Risk factors identified in one study were serum albumin level, history of nivolumab use, radiographic residual lung volume, and history of pulmonary infection.
Conclusions: We identified risk factors for developing ILD in patients with non-small cell lung cancer treated with EGFR-TKIs.
Keywords: Epidermal growth factor receptor; Interstitial lung disease; Non-small cell lung cancer; Risk factor; Tyrosine kinase inhibitor.
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