Treatment of rheumatoid arthritis-associated interstitial lung disease: An appraisal of the 2023 ACR/CHEST guideline
Abstract
To summarize the current treatment landscape of rheumatoid arthritis-associated interstitial lung disease (RA-ILD) in the context of the recent 2023 American College of Rheumatology/American College of Chest Physicians guideline for ILD treatment in systemic autoimmune rheumatic diseases. The guideline conditionally recommends mycophenolate, azathioprine, and rituximab for first-line RA-ILD therapy, with cyclophosphamide and short-term glucocorticoids as additional options. For RA-ILD progression after first line, mycophenolate, rituximab, nintedanib, tocilizumab, cyclophosphamide, and pirfenidone are conditionally recommended, while long-term glucocorticoids are conditionally recommended against. Only three randomized controlled trials (RCTs) enrolled patients with RA-ILD (total n = 217). All other recommendations for RA-ILD were based on RCTs for other diseases or observational data. Antifibrotics might be particularly effective for patients with RA-ILD and the usual interstitial pneumonia pattern (RA-UIP). There is uncertainty of the utility of azathioprine and glucocorticoids in RA-UIP since these medications had worse outcomes compared to placebo in an RCT of patients with idiopathic pulmonary fibrosis. RA-ILD treatment decisions should consider articular activity, ILD activity, comorbidities, and potential for infection. We summarized the current treatment landscape for RA-ILD. Since only three RCTs included patients with RA-ILD, most guideline recommendations were…
How strong is the evidence?
Evidence Hub reads this as a randomized trial, done in people. Its evidence level is 2 of 5 (High · randomized trial). Randomized trials of a reasonable size are the strongest single-study design. Reported size: 217 participants or records.
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