ArticleBMC pulmonary medicine2026
Efficacy of antifibrotic treatment for ANCA-positive fibrosing interstitial lung disease: a retrospective case‒control study.
Article in BMC pulmonary medicine, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
introductionStudies verifying the performance of antifibrotic drugs for the treatment of ANCA positive fibrotic ILD (ANCA-fILD) are lacking. MATERIALS AND
methodsThis study assessed the clinical features of ANCA-fILD patients with or without add-on treatment with antifibrotic drugs. A retrospective study involving ANCA-positive patients treated from January 2012 to December 2023 at Peking Union Medical College Hospital was conducted, and a case‒control analysis was performed accordingly.
resultsA total of 105 ANCA-fILD patients were identified from 18,617 ANCA-positive patients treated from January 2012 to December 2023 at Peking Union Medical College Hospital; these patients were further divided into an add-on group (31 patients) and a non-add-on group (74 patients). On the basis of baseline FVC%pred matching (± 10%), 30 and 60 patients were ultimately included in the add-on and non-add-on groups, respectively. The decreases in pFVC (p = 0.03), FVC (p = 0.02), DLCO (p = 0.01), and pDLCO (p < 0.01) were less significant in the add-on group than in the non-add-on group. In the related sample analysis, the add-on group did not present significant differences in FVC (p = 0.47), pFVC (p = 0.53), DLCO (p = 0.90), and pDLCO (p = 0.43) between baseline and at the end of the 1-year follow-up, whereas the non-add-on group presented significant decreases in FVC (p < 0.01), pFVC (p < 0.01), DLCO (p < 0.0001) and pDLCO (p < 0.0001). The incidence rates of adverse events and acute exacerbations were similar between the two groups.
conclusionAdd-on antifibrotic medications seem to effectively slow the deterioration of lung function in patients with ANCA
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