among survivors has been acceptable with no severe (>grade 3) side effects noted. Conclusion: We have been able to successfully deliver a total dose of up to 1800 cGy to the entire bony skeleton with our TMI technique without observing any dose-limiting toxicity among the patients. Further dose-escalation appears feasible, and treatment response is encouraging since the median time to relapse post second ASCT in this high-risk population appears to be consistent with that reported in the literature. We are now in the process of increasing the total dose to 2000 cGy/10fr/bid/5 days.
The use of consolidative RT after HDC and ASCT for relapsed or refractory DLBCL appears to significantly improve LRC. For patients with masses ≥ 2 cm after ASCT, improved 2-year PFS and OS were seen. Prospective trials are needed to further identify the patients who would derive the most benefit from consolidative RT in the ASCT setting.
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