Neoadjuvant Therapy of GP Chemotherapy Combined With Tislelizumab in Locoregionally Advanced NPC

The purpose of this study is to explore the efficacy and safety of a combination of GP chemotherapy and tislelizumab in neoadjuvant therapy of locoregionally advanced nasopharyngeal carcinoma patients.

Sex

All

Minimum age

18 Years

Maximum age

70 Years

Inclusion Criteria:

1. Voluntary participation with Written informed consent.
2. Age ≥ 18 years and ≤ 70 years, male or non-pregnant female.
3. Histologically or cytologically confirmed with Nonkeratinizing carcinoma of the nasopharynx (differentiated or undifferentiated type, WHO II or III).
4. Original clinical staged as III-IVa (according to the 8th AJCC edition), Eastern Cooperative Oncology Group (ECOG) performance status (PS) 0 or 1.
5. White blood cell count (WBC)≥4.0×109 /L, Hemoglobin ≥ 90g/L, Platelet count ≥100×109/L.
6. Alanine aminotransferase (ALT) and aspartate aminotransferase (AST) ≤2.5×upper limit of normal (ULN),serum total bilirubin (TBIL) ≤2.0 times the upper limit of normal (ULN) .
7. Adequate renal function: creatinine clearance rate≥60 ml/min .

Exclusion Criteria:

1. Patients with recurrent or metastatic nasopharyngeal carcinoma.
2. Histologically or cytologically confirmed with keratinizing squamous cell carcinoma of the nasopharynx.
3. Prior therapy with Systemic chemotherapy.
4. Women in the period of pregnancy, lactation, or reproductive without effective contraceptive measures.
5. Seropositivity for human immunodeficiency virus (HIV).
6. Known history of other malignancies (except cured basal cell carcinoma or carcinoma in situ of the cervix).
7. Prior exposure to immune checkpoint inhibitors,including anti-PD-1, anti-PD-L1, anti-CTLA-4 antibodies.
8. Patients with immunodeficiency disease or a history of organ transplantation.
9. Received large doses of glucocorticoids, anticancer monoclonal antibodies, or other immunosuppressants within 4 weeks.
10. Patients with severe dysfunction of heart, liver, lung, kidney or marrow.
11. Patients with severe, uncontrolled disease or infections.
12. Received other research drugs or in other clinical trials at the same time.
13. Refuse or fail to sign the informed consent .
14. Patients with other treatment contraindications.
15. Patients with personality or mental disorders, incapacity or limited capacity for civil conduct.
16. Hepatitis B surface antigen (HBsAg) positive and peripheral blood HBV deoxyribonucleic acid (HBV DNA) ≥1000cps/ml.
17. Patients with positive HCV antibody test will only be enrolled in this study if the PCR test for HCV RNA is negative.

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