Chronic systemic inflammation is a key driver of disease progression in rheumatoid arthritis and chronic kidney disease (CKD), particularly in patients undergoing long-term hemodialysis. Persistent elevation of proinflammatory cytokines contributes to pain, anemia, endothelial dysfunction, and increased cardiovascular risk, while therapeutic options are often limited by comorbidities and drug intolerance. Mesenchymal stem cells (MSCs) possess immunomodulatory properties that may offer an alterna