Brit J Hosp Med
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Aims/Background Rheumatoid arthritis (RA) is an inflammatory autoimmune disease and N-acetylcysteine (NAC) is considered a potential therapeutic agent for RA due to strong antioxidant and anti-inflammatory properties. Therefore, this systematic review and meta-analysis aimed to evaluate the efficacy of NAC as an adjuvant therapy for RA. Methods A systematic search was conducted across five databases from inception to 1 August 2024, including CINAHL, Cochrane Library, EMBASE, PubMed, and Web of Science. ⋯ Additionally, NAC reduced inflammatory markers (erythrocyte sedimentation rate (ESR): MD = 3.00). However, the beneficial effects of NAC on oxidative stress in RA patients were not observed. Conclusion This meta-analysis demonstrated the efficacy of NAC in reducing inflammatory markers, improving joint tenderness, and swelling in patients with RA.