Modified Chemotherapy With Carmustine, Cytarabine, Cyclophosphamide, and 6-Thioguanine (BACT) and Autologous Bone Marrow Transplantation in 24 Poor-Risk Patients With Acute Lymphoblastic Leukemia1

Blood ◽  
1985 ◽  
Vol 66 (3) ◽  
pp. 508-513 ◽  
Author(s):  
N Ramsay ◽  
T LeBien ◽  
M Nesbit ◽  
P McGlave ◽  
D Weisdorf ◽  
...  

Abstract Autologous bone marrow transplantation (BMT) was utilized as therapy for 23 patients with acute lymphoblastic leukemia (ALL) in second or greater remission. Bone marrow was treated in vitro with a combination of monoclonal antibodies, consisting of BA-1, BA-2, BA-3, and baby rabbit complement (BRC'). All patients were prepared for transplantation with cyclophosphamide and fractionated total body irradiation. Engraftment occurred in all 23 patients. Seven of 23 patients remain relapse-free from six to 32 months (median, 21.4 months) posttransplant. Failures were due to relapse with the exception of one patient who died of infection. This study demonstrates that autologous BMT using in vitro marrow treatment with BA-1, BA-2, BA-3, and BRC' is safe, allows engraftment, and results in prolonged survival for some patients with ALL in second or greater remission.


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