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³ë·ÉÃþ ºñÈ£ÁöŲ ¸²ÇÁÁ¾ ȯÀÚÀÇ Ä¡·á¼ºÀû ¹× ¿¹ÈÄ Therapeutic Outcome and Prognosis in Elderly Patients with Non-Hodgkin's Lymphoma

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ÇÑÁö¼÷/Jee Sook Hahn Á¶Àç¿ë/À̽ÂÅÂ/Á¤¼Ò¿µ/¹ÎÀ¯È«/°íÀ±¿õ/Jae Yong Cho/Seung Tae Lee/So Young Chung/Yoo Hong Min/Yun Woong Ko

Abstract

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Purpose : The prognosis of non-Hodgkin's lymphoma (NHL) in elderly patients seems
to be poorer than that in patients aged less than 60 years. This may be due to the
lower tolerance for combination chemotherapy in the elderly. Aggressive combination
chemotherapy, which is the treatment of choice in intermediate and high grade NHL of
adulthood, may be associated with unpredictably severe and lethal toxicity and worsened
quality of life in the elderly. We investigated the treatment responses, toxicities and
prognostic factors of NHL in elderly patients treated with combination chemotherapy.
Material and method : We treated 116 elderly (¡Ã60 yrs) patients with NHL between
January 1986 and June 1996 with adriamycin-containing regimens, such as CHOP
(cyclophosphamide, adriamycin, vincristine, prednisolone), BACOP (bleomycin, adriamycin,
cyclophosphamide, vincristine, prednisolone), and mBACOP (methotrexate, bleomycin,
adriamycin, cyclophosphamide, vincristine, prednisolone). Patients in this study ranged
from 60 to 81 (median 67) years of age. Fifty-five percent of patients were in stage ¥°
or ¥± and the rest (45%) were in stage ¥² or ¥³. The histologic grade was
predominantly (91%) of intermediate and high grade type.
Results : The treatment responses were complete (CR) in 55% and partial (PR) in
25%. The median duration of CR was 32 (3¡­132) months. The CR rate was
significantly higher in patients treated with RDI (relative dose intensity) ¡Ã75% than
that in the patients treated with RDI <75% (p=0.003), but there was no significant
difference in CR rate between treatment regimens (p=0.38). At a median follow up of
48-months (range, 12 to 132 months), the estimated 5-year overall survival was 46%.
Ann Arbor Stage (¥°, ¥± vs ¥², ¥³), ECOG performance (0¡­1 vs 2¡­3), RDI (¡Ã75% vs
<75%) and the treatment response were important prognostic factors in the univariate
analysis, and the treatment response (CR vs non-CR) was the only independent
prognostic parameter in the multivariate analysis. The most frequent and severe toxicity
associated with chemotherapy was infection with or without neutropenia. The rate of
severe infection was significantly decreased in the patients supported with G/GM-CSF
but not in the dose-reduction group (RDI <75% vs ¡Ã75%).
Conclusion : Our data suggests that achievement of the CR after combination
chemotherapy is the most important prognostic factor in the elderly patients with NHL.
Suboptimal chemotherapy (RDI <75%) reduced the complete remission rate without
reducing the likelihood of developing severe toxicities. Optimal chemotherapy with
supportive cares involving the use of hematopoietic growth factors may be needed to
improve the treatment response and the survival in the elderly patients with aggressive
NHL.

Å°¿öµå

Non-Hodgkin's Lymphoma; Elderly; Therapeutic outcome; Prognosis;

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