Prevention and Treatment of CINV Caused by TC Regimen in Gynecological Malignant Tumor Patients

Eligibility criteria: histologically confirmed gynecologic malignancies (including newly diagnosed cases and recurrent cases without chemo- or radiotherapy within the past six months); age 20-75 years; ECOG performance status 0-2; scheduled to receive at least two cycles of paclitaxel (175 mg/m²) plus carboplatin (AUC 5-6) every 3 weeks; and adequate organ function (bilirubin and creatinine within normal range, ALT and AST \< 2× upper limit of normal). Exclusion criteria: included prior chemotherapy, radiotherapy, or targeted therapy for the current recurrence; known brain metastases or history of brain tumors; history of gastrointestinal malignancy or major gastrointestinal surgery (except polypectomy or appendectomy); incomplete bowel obstruction; vestibular dysfunction; massive ascites (unless drained); concomitant opioid use; or diabetes mellitus.