The Effect of Patient-Controlled TEAS vs Sham TEAS for Improve Quality of Life in Patients With Cancer Pain

The conduct of a pilot trial is of great significance as a means of assessing the feasibility and harmonization of the research and is a very necessary precursor to the better conduct of formal trials. The primary aim of this pilot study is to assess the feasibility of a PC-TEAS in improving the quality of life of cancer patients with pain, with the aspiration of providing process evidence base and an assessment of the intervention for conducting a formal trial. the secondary outcome is to assess the clinical efficacy of the PC-TEAS.