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Prophylactic defibrotide in allogeneic stem cell transplantation: minimal morbidity and zero mortality from
1Department of Haemato-oncology, Royal Marsden Hospital, Downs Road, Surrey, UK. fionadignan@hotmail.com
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Defibrotide prophylaxis alone may prevent veno-occlusive disease (VOD) after allogeneic stem cell transplantation (SCT). In a study of 58 patients, no VOD or related deaths occurred, with no bleeding complications observed.
Area of Science:
- Hematology
- Transplantation Medicine
- Pharmacology
Background:
- Veno-occlusive disease (VOD) is a significant risk following allogeneic stem cell transplantation (SCT).
- Defibrotide is an established treatment for VOD.
Purpose of the Study:
- To evaluate the efficacy and safety of defibrotide prophylaxis alone for VOD prevention post-SCT.
Main Methods:
- Retrospective analysis of 58 patients receiving defibrotide prophylaxis without concurrent heparin.
- Assessment for VOD using the Baltimore criteria within 100 days post-SCT.
- Monitoring for hemorrhagic complications.
Main Results:
- No patients developed VOD according to the Baltimore criteria.
- No VOD-related deaths occurred within 100 days post-SCT.
- No hemorrhagic complications were observed in patients receiving defibrotide prophylaxis.
Conclusions:
- Defibrotide prophylaxis alone may be effective in reducing VOD incidence post-SCT.
- This prophylactic approach appears safe, with no observed bleeding complications.
- Further randomized controlled trials are necessary to confirm these findings.
Abstract:
Veno-occlusive disease (VOD) is a common and high-risk complication of allogeneic stem cell transplantation (SCT). Defibrotide has recently been used successfully to treat the disorder. We report on 58 patients who received defibrotide prophylaxis without concurrent heparin. No patients fulfilled the Baltimore criteria for VOD or died of the condition within 100 days of SCT. None of this group developed haemorrhagic complications secondary to defibrotide. These observations suggest that prophylaxis with defibrotide alone may reduce the incidence of VOD post-SCT although a randomised controlled trial is warranted to further evaluate its role.
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