Electroacupuncture for Preventing Chemotherapy-Induced Peripheral Neuropathy in Patients With Early-stage Cancer

Inclusion Criteria: * Age ≥ 18 years. * Pathological and imaging examinations confirmed the diagnosis of early-stage cancer(I-III stage), including: breast cancer, gastric cancer, intestinal cancer, non-small cell lung cancer or ovarian cancer. * Eastern Cooperative Oncology Group Performance Status of 0 or 1. * Scheduled to receive chemotherapy containing a taxane, utidelone, or oxaliplatin, with no significant pre-existing neurological symptoms prior to chemotherapy. Specific regimens include: Colorectal cancer: Oxaliplatin-containing regimen. Gastric cancer: Oxaliplatin-containing or taxane-containing regimen. Breast cancer: Taxane-containing or utidelone-containing regimen. Non small cell lung cancer or Ovarian cancer: Taxane-containing regimen. * No history of acupuncture treatment within one month prior to study initiation. * Adequate major organ function, meeting the following laboratory criteria: Hematology: Absolute neutrophil count ≥ 1.5 × 10\^9/L; Platelet count ≥ 100 × 10\^9/L; White blood cell count 3.5 - 9.5 × 10\^9/L; Hemoglobin ≥ 100 g/L. Hepatic Function: Total bilirubin ≤ 1.5 × upper limit of normal; Aspartate aminotransferase and alanine aminotransferase ≤ 3 × ULN; Serum bilirubin concentration \< 1.5 mg/dL; Serum albumin \> 2.5 g/dL. Renal Function: Serum creatinine ≤ 1.5 × ULN, OR calculated creatinine clearance ≥ 50 mL/min (using the Cockcroft-Gault formula). Coagulation: International normalized ratio ≤ 1.5, AND activated partial thromboplastin time ≤ …