After hematopoietic stem cell transplantation, delayed immune hemolysis may occur when donor-derived B lymphocytes carried with the graft produce immune antibodies against the recipient's incompatible red cells. We report the occurrence of this syndrome in the context of minor blood group incompatibility between donor and recipient after peripheral blood stem cell (PBSC) transplantation. On day 12 post-transplant there was abrupt onset of hemolysis necessitating supportive treatment with hydration and transfusions. Because, as compared to bone marrow, PBSC grafts are enriched with lymphocytes, more frequent and intense delayed immune hemolysis may be anticipated when using PBSC. This complication is described most often when cyclosporine alone is used for immunosuppression following the graft. The addition of methotrexate, which with CyA forms the classic regimen for the prevention of graft-vs-host disease, may diminish the frequence and severity of this adverse reaction.
Objectives: While oral anticancer treatment has increased the convenience for patients with no risk of venous access complications compared to intravenous drug administration, a high level of compliance cannot always be assumed. The aim of the present report was to evaluate real-life drug adherence in a prospective cohort analysis of patients with gastrointestinal or breast cancer treated with capecitabine-based chemotherapy. Methods: Twenty-nine Swiss oncologists recruited patients receiving capecitabine, either as monotherapy or in combination with other chemotherapeutic agents, in a prospective fashion. Patients recorded both their capecitabine intake and any adverse effects each day in patient diaries. Results: A total of 177 patients were included, 143 (81%) with gastrointestinal tumours and 34 (19%) with breast cancer. Overall, 161 patients (91%) were considered as fully compliant, while 16 patients (9%) reported some kind of compliance error. Reasons for non-compliance included forgetting to take treatment (n = 9), side effects (n = 4) and misunderstanding instructions (n = 3). Self-reported compliance was not influenced by age or Eastern Cooperative Oncology Group performance status, but there was a trend towards better compliance with capecitabine therapy if fewer adverse effects occurred (p = 0.07, simple logistic regression). Conclusions: Self-reported compliance with capecitabine-based therapy in clinical practice is high and seems to be adversely affected by side effects.
The dose level of ifosfamide 10 g/m2 and doxorubicin 90 mg/m2 with supportive GM-CSF is manageable in a multicenter setting and should be further tested in regular phase II trials, including patients with gynecological and soft-tissue sarcomas. Transient toxicity with myelosuppression should be accepted in order to obtain a high antitumor activity of this regimen and a potential improvement in survival.
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