Autologous bone marrow transplantation for progressive non-Hodgkin's lymphoma: Clinical impact of immunophenotype and in vitro purging

Daniel J Weisdorf, R. Haake, Wesley J Miller, Philip B Mc Glave, Tucker W LeBien, D. A.L.C. Vallera Lasky, T. H. Kim, Bruce A Peterson, N. K.C. Ramsay, J. H. Kersey, D. D. Hurd

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40 Scopus citations

Abstract

From 1983 to 1989 we performed a prospective trial of 70 consecutive, in vitro purged autologous bone marrow transplants (BMT) for patients with progressive non-Hodgkin's lymphoma. Forty-nine patients had responsive disease at the time of transplantation while 21 others had refractory high risk lymphoma. Forty-two patients with B-lineage lymphoma received autologous marrow purged in vitro with monoclonal antibody (anti CD9, CD10, CD24) plus complement, 12 with T-lineage lymphoma received monoclonal antibody immunotoxins (anti CD5, CD7-ricin conjugates) along with 4-hydroperoxycyclophosphamide purging and 16 received unpurged marrow. All received cyclophosphamide, 57 with fractionated total body irradiation, and 13 with BCNU and cytarabine. Hematologic engraftment was prompt and unaffected by phenotype (B vs. T) or by in vitro purging used (B vs. T vs. none) although nine of 16 non-relapse deaths were related to poor graft function. Fifty-one patients (73%) were alive in complete remission (CR) 1 month following transplantation while 15 patients (12 with initially refractory disease) had persistent disease. Subsequently, 41 ± 18% (by Kaplan-Meier estimate; ±95% confidence limits) of those who achieved CR remained relapse free 1-6.4 (median 3) years post-BMT. Neither risk group, purging, nor immunophenotype predicted subsequent post-transplant relapse. Among those 51 who achieved CR, 13 of 43 (27±14%) with responsive disease survive disease free while three of eight (38 ±34%) refractory patients survive disease free (p = 0.96). Overall, 24 patients survive, 16 in continuous complete remission 1-6.5 years following transplantation. Of all factors tested, only pre-BMT responsive disease was associated with significantly improved survival and disease-free survival while neither purging technique, immunophenotype, conditioning, age nor histologic group predicted better outcome.

Original languageEnglish (US)
Pages (from-to)135-142
Number of pages8
JournalBone marrow transplantation
Volume8
Issue number2
StatePublished - 1991

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