Summary
Thirty-eight colorectal cancer patients were randomly assigned to treatment group, which took cimetidine in the perioperative period, and control group to which no drug was given. Twenty healthy volunteers served as normal controls. NK cells were measured by immunocytochemical technique. The results showed that NK percentages before treatment in both groups of patients were significantly lower than those in normal controls (P<0. 05). NK cell percentages at admission, before operation, on the 2nd and the 10th postoperative days were 14.84 ±4. 41, 15. 74±3. 75, 17.21±3.69, 21.05±4. 54, respectively, for the treatment group, and 15.00±2.77, 13.05±2.46, 14. 21±2.19, 15.58±1.68, respectively, for control group. The difference was statistically significant (P< 0. 01), suggesting that the perioperative administration of cimetidine could help restore NK cells in colorectal cancer patients.
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Dejiao, B., Guoliang, Y., Hongying, Y. et al. Perioperative cimetidine application modulates natural killer cells in patients with colorectal cancer: A randomized clinical study. Current Medical Science 19, 300–303 (1999). https://doi.org/10.1007/BF02886968
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DOI: https://doi.org/10.1007/BF02886968