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Immunol Lett. 1997 Jul;58(2):121-4.

IL-6 is a survival prognostic factor in renal cell carcinoma.

Author information

1
Clinique Urologique, Hôpital Cochin, Paris, France. n.thiounn@uro-cochin.asso.fr

Abstract

It has been reported that a high plasmatic concentration of interleukin-6 (IL-6) is correlated to a lack of response to immunotherapy in several malignancies, suggesting that IL-6 was either a marker of tumour aggressiveness or had only a predictive value of response to immunotherapy. To discriminate between these two possibilities, a retrospective study was performed in a series of 19 patients with metastatic renal cell carcinoma who did not respond to IL-2/IFNalpha/5-FU treatment. Serum levels of IL-6, C-reactive Protein (CRP), soluble IL-2-receptor (sIL-2R), M-CSF and neopterin were assayed before treatment. IL-6 showed a significant correlation with patients median survival time (P < 0.016), suggesting that serum concentration of IL-6 before treatment is a marker of tumour aggressiveness rather than a predictive parameter for an immunological response.

PMID:
9271323
DOI:
10.1016/s0165-2478(97)00036-9
[Indexed for MEDLINE]

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