PMID: 15228648Jul 2, 2004Paper

Application of ricin-immunotoxin mediated T cell depletion to allogeneic hematopoietic stem cell transplantation

Zhongguo shi yan xue ye xue za zhi
Yue-Yun LaiDao-Pei Lu

Abstract

This study was aimed to investigate the clinical outcome of ricin-immunotoxin mediated T cell partially depleted HLA/MLC mismatched allogeneic hematopoietic stem cell transplantation. 13 patients with hematological malignancies were treated by ricin-immunotoxin mediated T cell partially depleted allogeneic hematopoietic stem cell transplantations from HLA/MLC mismatched donors, including 6 cases of CML in CP(1), 1 case of ALL in CR(1), 1 case of ALL in CR(2), 1 case of ALL in relapse, 2 cases of AML in CR(1), 1 case of AML in CR(2), 1 case of MDS-RAEBT-AML (M(4)) in CR(1). The results showed that 8 cases were engrafted successfully, 2 cases of them developed grade II acute GVHD and 2 cases developed grade III-IV acute GVHD. Within following-up of 8 - 90 months, 2 patients who experienced grade III-IV acute GVHD died early after transplantation; 1 patient died of late onset of infection; the other 5 patients survived free from diseases. After failure at first infusion, 4 patients were given reinfusion of peripheral blood hematopoietic stem cells from the same donor. 3 out of 4 cases failed to engraft and only one patient got engraftment but died of related complications of transplantation. One patient was performed a second tran...Continue Reading

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