Hennemann, B. and Beckmann, G. and Eichelmann, A. and Rehm, A. and Andreesen, Reinhard (1998) Phase I trial of adoptive immunotherapy of cancer patients using monocyte-derived macrophages activated with interferon gamma and lipopolysaccharide. Cancer immunology, immunotherapy : CII 45 (5), pp. 250-6.
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Cells of the monocyte/macrophage lineage have shown antitumor activity in vitro and in murine models after activation with interferon (IFN) gamma. In vitro data suggest an additional effect on macrophage antitumor activity when IFN gamma is combined with endotoxin (lipopolysaccharides; LPS). In this study we treated nine cancer patients with a total of 62 MAK infusion cycles with autologous macrophages given intravenously (i.v.) after in vitro activation with IFN gamma and LPS. Low-grade fever (WHO I/II) was the commonest side-effect. Chills, nausea, and headache were noted when the number of transfused macrophages exceeded 2 x 10(8). One WHO IV toxicity occurred, consisting of hypotension after transfer of 3 x 10(8) cells, defining this dose as the maximum cell number tolerated. After pretreatment with ibuprofen, however, the maximum cell number could be increased without reaching dose-limiting toxicity. The highest number of cells reinfused was 15 x 10(8). Circulating interleukin(IL)-6 increased in a dose-dependent manner as did IL-1 receptor antagonist (IL-1RA) and IL-8. Tumor response consisted of one case of stable disease (12 weeks) in a patient with formerly progressing colorectal cancer and progressive diseases in eight patients. This study indicates that reinfusion of autologous LPS-activated macrophages upon pretreatment with ibuprofen is feasible and tolerated without major side-effects.
|Institutions:||Medicine > Abteilung für Hämatologie und Internistische Onkologie|
|Subjects:||600 Technology > 610 Medical sciences Medicine|
|Refereed:||Yes, this version has been refereed|
|Created at the University of Regensburg:||Yes|
|Deposited On:||15 Apr 2010 07:39|
|Last Modified:||15 Apr 2010 07:39|
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