RECOMBINANT INTERLEUKIN-2 TREATMENT IN PATIENTS WITH METASTATIC COLORECTAL-CANCER - EFFECT ON NATURAL CYTOTOXICITY

被引:11
|
作者
PARK, KGM [1 ]
HEYS, SD [1 ]
MURRAY, JB [1 ]
HAYES, PD [1 ]
ASHBY, JA [1 ]
FRANKS, CR [1 ]
EREMIN, O [1 ]
机构
[1] EUROCETUS BV,1105J AMSTERDAM,NETHERLANDS
关键词
INTERLEUKIN-2; COLORECTAL CANCER; NATURAL CYTOTOXICITY; CYTOTOXICITY;
D O I
10.1007/BF01741055
中图分类号
R73 [肿瘤学];
学科分类号
100214 ;
摘要
Natural cytotoxicity (natural killer, NK, and lymphokine-activated killer, LAK, activity) was documented in 12 patients with metastatic colorectal cancer, both before and after a 5-day course of continuous therapy with intravenous recombinant interleukin-2 (rIL-2). Treatment induced a substantial increase in circulating CD56+ lymphocytes (pretreatment: 12.1 +/- 6.9%, mean +/- SD; posttreatment: 39.2 +/- 6.9%. Maximal NK cell activity was induced by treatment with rIL-2 but only suboptimal augmentation of LAK cell cytotoxicity was obtained. This study indicates that although continuous infusion of rIL-2 does have a significant effect on natural cytotoxicity, this is suboptimal and further studies are necessary to define the most efficacious immunity-enhancing regimens of therapy, thereby hopefully improving clinical outcome of rIL-2 treatment.
引用
收藏
页码:53 / 58
页数:6
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