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NCT07371611
This is a multicenter, open-label, randomized phase III clinical trial evaluating perioperative treatment with sintilimab combined with chemotherapy in patients with locally advanced oral squamous cell carcinoma. Despite standard treatment with surgery followed by postoperative radiotherapy or chemoradiotherapy, patients with locally advanced oral squamous cell carcinoma remain at high risk of recurrence or metastasis. Recent evidence, including results from the KEYNOTE-689 study, suggests that perioperative immunotherapy may improve survival outcomes, and this approach has been incorporated into NCCN guidelines. Combining immunotherapy with chemotherapy may further improve prognosis in this patient population. Eligible participants will be randomly assigned to either an experimental group or a control group. The experimental group will receive neoadjuvant sintilimab combined with chemotherapy followed by surgery and postoperative treatment based on pathological response. Patients with major pathological response (MPR) will receive adjuvant sintilimab, while patients without MPR will receive postoperative radiotherapy or concurrent chemoradiotherapy combined with sintilimab. The control group will receive standard treatment consisting of surgery followed by postoperative radiotherapy or chemoradiotherapy as clinically indicated. The primary objective of the study is to compare event-free survival between the two groups. Secondary objectives include overall survival, pathological response, safety, and treatment-related adverse events. The results of this study may help optimize perioperative treatment strategies and improve outcomes for patients with locally advanced oral squamous cell carcinoma.
NCT07111455
Investigating the Relationship Between Oral Microbiome Alterations and Tumor Markers in Locally Advanced Oral Squamous Cell Carcinoma (LA-OSCC) After Neoadjuvant Chemoimmunotherapy: Implications for Therapeutic Efficacy, Chemoresistance, and Prognostic Assessment