Abstract: Objective To evaluate the effects of ornithine aspartate (OA) on protecting liver function from the
impairment of chemotherapy drugs for malignant tumors. Methods Total of 110 postoperative patients who
needed chemotherapy were selected and randomly divided into experimental group and control group, 55 cases
in each group. The experimental group were given chemotherapy combined with OA and the control group were
given chemotherapy only. Both of the two groups received 4 period of chemotherapy, AST, ALT and TBil were
detected every two weeks. Rsults The rate of liver function impairment in experimental group was significantly
lower than that of the control group (22.8% vs 61.8%, P < 0.001). After the whole chemotherapy, the levels
of AST, ALT and TBil in experimental group [(40.5 ± 26.1) U/L, (45.7 ± 25.4) U/L, (14.7 ± 11.2) μmol/L)] were
significantly lower than those in control group [(92.3 ± 48.2) U/L, (94.2 ± 37.4) U/L, (44.1 ± 26.5) μmol/L)], (P =
0.003, 0.010, 0.047, respectively). The severity of liver function impairment in experimental group was also lower
than that in control group (P < 0.001). Conclusion Ornithine Aspartate could protect the liver function from the
impairment of chemotherapy drugs in patients underwent radical surgery.
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