目前对于入组临床试验对癌症病人花费的研究较少。Wgn等（JNatlCancerInst1999,91:847-853）对参加癌症治疗试验的病人进行了一个配对的病例对照研究。他们发现人组临床试验病人的花费稍高于（不超过10％）不入组病人。他们认为癌症化疗试验并不意味让人倾家荡产。在该潮杂志的 At present, there is less research on the cost of cancer patients for enrolling clinical trials. Wgn et al. (JNatl Cancer Inst 1999, 91: 847-853) conducted a matched case-control study of patients participating in cancer treatment trials. They found that the cost of patients in clinical trials was slightly higher (not more than 10%) in patients who did not participate in the study. They believe that cancer chemotherapy trials do not mean that people are going bankrupt. In the tide magazine