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A letter to the editor is presented in response to the article "Mesenchymal stem cells and bisphosphonate-related osteonecrosis of the jaw: the future?"

Oral mucositis (OM) is a common and debilitating toxicity of cancer treatments - chemotherapy, radiotherapy, hematopoietic cell transplant, or combinations. OM is associated with severe oral pain and has negative impacts on patient function and quality of life. Additionally, OM has accompanying systemic complications that may have critical implications. These local and systemic consequences can alter cancer treatment, and add an economic burden. This review covers the clinical presentation and course of OM, differential diagnosis, clinical and economic impacts, pathogenesis, risk factors, assessment measures, biomarkers and prediction of OM, management, research advances in the development of new drugs and treatments, and big data., (© 2024 Wiley Periodicals LLC.)

Introduction: The field of allogeneic hematopoietic cell transplantation (allo-HCT) began in the 1950s, and despite a seven decade history of remarkable clinical advances, graft-versus-host-disease (GVHD) remains the greatest obstacle in its success due to considerable morbidity and mortality. Graft-versus-host disease is the second leading cause of transplantation-related mortality (TRM) after relapse of primary disease. There are two main types of GVHD-acute and chronic-differing in the pathogenesis, time of onset, and clinical presentation., Objective: This review provides a comprehensive overview of chronic GVHD pathophysiology and current management paradigms, as well as consideration of promising novel therapies., Conclusion: Chronic GVHD is a serious disease which may be active for years, or even decades, requiring potentially years of immunosuppressive therapies and placing patients at risk for a number of late complications. While the oral cavity has long been recognized to be a prominent target of GVHD, and in particular, chronic GVHD, it must be recognized and appreciated that it is a complex systemic disease with a wide spectrum of clinical manifestations., (© 2018 John Wiley & Sons A/S. Published by John Wiley & Sons Ltd. All rights reserved.)