Abstract:Objective To investigate efficacy and adverse effects of rituximab combined with DC-CIK in treating childhood pre B acute lymphocytic leukemia (ALL), and to analyze the effect of rituximab on the prognosis of DC-CIK. Methods Retrospective analysis was used to select 50 ALL patients with CD20 positive in our hospital during June 2006 to June 2012. The patients were divided into the control group and the observation group. In the control group, 25 cases were treated with chemotherapy combined with DC-CIK, and other 25 cases of observation group were treated with rituximab based on control group. The clinical curative effect and adverse reaction of the two groups were compared, and three-year survival rate of the two groups were followed up and recorded. Results After treatment, the expression of per2, BMAL1 and EVI1 mRNA in the two groups was significantly lower than that in the control group (P?