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

Participants who had been diagnosed with cancer pain were eligible if they ①were 18 to 75 years old, ②had NRS pain score of ≥4 in the previous 1 week, or had regular use of analgesics, ③ anticipated survival of at least 6 months, ④ECOG-PS score ≤2 points, ⑤stable vital signs, clear consciousness, and the ability to correctly judge their pain, communication is unhindered, able to cooperate with researchers to complete relevant research assessments, ⑥voluntarily participate in this study and sign the informed consent form. Exclusion criteria included the following: ①Have venous thrombosis of the upper and lower limbs (below the elbow/knee joint), active cerebrovascular disease, severe cardiopulmonary dysfunction, or patient is clinically unstable (eg, acute infections, electrolyte disturbances).②Patients with pacemaker implantation or metal implantation in the body. ③People with local skin at acupoints lesions, poor skin conditions, or other people unsuitable for PC-TEAS treatment. ④Cancer patients who are planning to become pregnant recently or are pregnant. ⑤Have a psychiatric disorder or severe cognitive impairment who are unable to communicate. ⑥Participating in other clinical trials.