Document Detail

Combination immunotherapy with rituximab and interleukin 2 in patients with relapsed or refractory follicular non-Hodgkin's lymphoma.
MedLine Citation:
PMID:  12060117     Owner:  NLM     Status:  MEDLINE    
Rituximab has significant activity as a single agent in the treatment of follicular non-Hodgkin's lymphoma (NHL). Interleukin 2 (IL-2) is a lymphokine that increases effector cell number. In an effort to augment antibody-dependent cell-mediated cytotoxicity (ADCC) associated with rituximab therapy, low-dose IL-2 was added to a standard rituximab regimen and patients were evaluated for safety and efficacy. Twenty patients with relapsed or refractory follicular NHL were treated with IL-2 (1.2 MIU/m(2)/d for 56 d subcutaneously) as outpatients. Rituximab (375 mg/m(2)) was given on d 15, 22, 29 and 36. The regimen was well tolerated and only three patients required dose adjustments in IL-2. Infusional toxicity associated with rituximab was not exacerbated by IL-2. Peripheral blood immunophenotyping demonstrated significant increases in circulating CD8+ and CD56+ lymphocytes in all evaluable patients (P = 0.0002). Increases in total eosinophil number were observed in all patients. Eleven patients responded to therapy, for an overall response rate of 55%. Four additional patients had stable disease. For these 15 patients, the median time to progression exceeded 13 months. We conclude concomitant cytokine therapy to enhance ADCC with monoclonal antibody therapy was well tolerated and did not exacerbate antibody-related infusional toxicity. Further studies of this rational combination are warranted and ongoing.
Jonathan W Friedberg; Donna Neuberg; John G Gribben; David C Fisher; Christine Canning; Margaret Koval; Christine M Poor; Luke M Green; John Daley; Robert Soiffer; Jerome Ritz; Arnold S Freedman
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, P.H.S.    
Journal Detail:
Title:  British journal of haematology     Volume:  117     ISSN:  0007-1048     ISO Abbreviation:  Br. J. Haematol.     Publication Date:  2002 Jun 
Date Detail:
Created Date:  2002-06-12     Completed Date:  2002-09-10     Revised Date:  2007-11-14    
Medline Journal Info:
Nlm Unique ID:  0372544     Medline TA:  Br J Haematol     Country:  England    
Other Details:
Languages:  eng     Pagination:  828-34     Citation Subset:  IM    
Department of Adult Oncology, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA, USA.
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MeSH Terms
Antibodies, Monoclonal / adverse effects,  therapeutic use*
Antibody-Dependent Cell Cytotoxicity
Antigens, CD56 / immunology
CD8-Positive T-Lymphocytes / immunology
Chromosomes, Human, Pair 14
Chromosomes, Human, Pair 18
Drug Administration Schedule
Drug Therapy, Combination
Eosinophils / immunology
Follow-Up Studies
Gene Rearrangement
Interleukin-2 / adverse effects,  therapeutic use*
Lymphoma, Follicular / drug therapy*,  genetics,  immunology
Middle Aged
T-Lymphocytes / immunology
Grant Support
Reg. No./Substance:
0/Antibodies, Monoclonal; 0/Antigens, CD56; 0/Interleukin-2; 0/rituximab

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