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We studied early potential treosulfan-related toxicity in 118 patients treated with treosulfan-based conditioning before allogeneic hematopoietic stem-cell transplantation. Most patients (n = 93) had a hematological malignancy. In 80 cases, a HLA-A, -B and -DR matched unrelated donor was used, while 33 patients had a HLA-identical sibling donor, and five received an HLA-A, -B or -DR allele mismatched, unrelated donor. Levels of AST, ALT, and bilirubin were significantly increased 1 week after HSCT compared to before HSCT. However, only a few patients had transaminase levels >2 to 3 × the upper normal level. All patients became neutropenic; 61% were already so at the time of graft infusion. Nearly all patients engrafted, except for three who died very early. Non-relapse mortality was 7.5% at 100 days and 11.9% at 1 year after HSCT. Veno-occlusive disease of the liver occurred in one patient and hemorrhagic cystitis in two patients. This study shows that early regimen-related toxicity after HSCT was low despite similar marrow toxicities compared to myeloablative regimens. [ABSTRACT FROM AUTHOR]

Purpose: Hematology-oncology patients undergoing chemotherapy and hematopoietic stem cell transplantation (HSCT) recipients are at risk for oral complications which may cause significant morbidity and a potential risk of mortality. This emphasizes the importance of basic oral care prior to, during and following chemotherapy/HSCT. While scientific evidence is available to support some of the clinical practices used to manage the oral complications, expert opinion is needed to shape the current optimal protocols. Methods: This position paper was developed by members of the Oral Care Study Group, Multinational Association of Supportive Care in Cancer/International Society of Oral Oncology (MASCC/ISOO) and the European Society for Blood and Marrow Transplantation (EBMT) in attempt to provide guidance to the health care providers managing these patient populations. Results: The protocol on basic oral care outlined in this position paper is presented based on the following principles: prevention of infections, pain control, maintaining oral function, the interplay with managing oral complications of cancer treatment and improving quality of life. Conclusion: Using these fundamental elements, we developed a protocol to assist the health care provider and present a practical approach for basic oral care. Research is warranted to provide robust scientific evidence and to enhance this clinical protocol. [ABSTRACT FROM AUTHOR]