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[Level of interleukin-6 (IL-6), soluble interleukin-6 receptors (sIL-6R) and tumor necrosis factor alpha (TNF-alpha)
1Katedra i Klinika Hematologii i Chorób Rozrostowych AM we Wrocławiu.
36 MM pts in advanced stage, 17 recently diagnozed (group I) and 19 in the progression of the disease (group II) were examined. 10 pts of group I and 12 of group II had renal failure. Levels of II-6, sII-6R and TNF-alpha were measured in pts sera before cytostatic therapy or plasma exchange (PE) and after 4-week therapy. The plasma concentration of II-6, sIl-6R and TNF-alpha before chemotherapy were 47-426 pg/ml, 33-III ng/ml and 19-350 pg/ml respectively and were significantly higher than in healthy control (group III) but no significant changes were observed between group I and group II. Patients with renal failure showed significantly higher II-6 and sIl-6R plasma levels than those with normal renal function. After 4 weeks of chemotherapy plasma concentration of the examined parameters decreased only in those pts of both groups, who later, after 6 mos disclosed a therapeutic response. Median survival time (m-ST) of recently diagnosed MM pts was 38 mos and in those with progression of underlying disease-43 mos. M-ST of 5 pts whose levels of Il-6 > 150 pg/ml, sIl-6R > 55 ng/ml and TNF-alpha-150 pg/ml was only 18 mos, but when only one of them was so much elevated it attained 55 mos. (p = 0.01).
36 MM pts in advanced stage, 17 recently diagnozed (group I) and 19 in the progression of the disease (group II) were examined. 10 pts of group I and 12 of group II had renal failure. Levels of II-6, sII-6R and TNF-alpha were measured in pts sera before cytostatic therapy or plasma exchange (PE) and after 4-week therapy. The plasma concentration of II-6, sIl-6R and TNF-alpha before chemotherapy were 47-426 pg/ml, 33-III ng/ml and 19-350 pg/ml respectively and were significantly higher than in healthy control (group III) but no significant changes were observed between group I and group II. Patients with renal failure showed significantly higher II-6 and sIl-6R plasma levels than those with normal renal function. After 4 weeks of chemotherapy plasma concentration of the examined parameters decreased only in those pts of both groups, who later, after 6 mos disclosed a therapeutic response. Median survival time (m-ST) of recently diagnosed MM pts was 38 mos and in those with progression of underlying disease-43 mos. M-ST of 5 pts whose levels of Il-6 > 150 pg/ml, sIl-6R > 55 ng/ml and TNF-alpha-150 pg/ml was only 18 mos, but when only one of them was so much elevated it attained 55 mos. (p = 0.01).