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Clinical Trial
. 1997 Sep 16;118(1):29-35.
doi: 10.1016/s0304-3835(97)00220-6.

Thymidylate synthase is a predictor for response and resistance in hepatic artery infusion chemotherapy

M Kornmann  1 , K H Link, H J Lenz, J Pillasch, R Metzger, U Butzer, G H Leder, M Weindel, F Safi, K D Danenberg, H G Beger, P V Danenberg
Affiliations
Clinical Trial

Thymidylate synthase is a predictor for response and resistance in hepatic artery infusion chemotherapy

M Kornmann et al. Cancer Lett. .

Abstract

The value of intratumoral thymidylate synthase (TS) quantitation as a predictive parameter for hepatic artery infusion (HAI) chemotherapy in patients with colorectal liver metastases was investigated. Relative TS mRNA levels were determined in 29 tumor samples using a quantitative RT-PCR amplification method. The median level of expression was 3.0 x 10(-3) (no units) and varied considerably among the tumors over a range of 135-fold. Patients with low TS levels were 4.1-fold more likely to respond (P < 0.03) compared to patients with high TS levels. Our results indicate that TS quantitation is a valuable predictive marker for tumor response to HAI therapy.

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