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Clinical Trial Summary

Nasopharyngeal carcinoma is biologically different from traditional head and neck squamous cell carcinoma. The mainstay treatment for locally advanced nasopharyngeal carcinoma is cisplatin-based concurrent chemoradiation. Recent phase III randomized control trials have demonstrated that induction chemotherapy plus concurrent chemoradiation further improved progression-free survival. However, not every patient has good response to induction chemotherapy. Evidence has accumulated that those with poor response to induction chemotherapy, or those with detectable Epstein-Barr Virus (EBV) DNA post induction chemotherapy, correlated with poorer progression-free survival. Huang CL et al. (Int J Radiat Oncol Bio Phys. 2019) reported that plasma EBV DNA load at completion of induction chemotherapy was an independent and earlier predictor for progression-free survival and overall survival in locally advanced nasopharyngeal carcinoma. Lv J et al. (Nat Commun. 2019) demonstrated that real-time monitoring of plasma EBV DNA response added prognostic information, and had the potential uitility for risk-adapted treatment intensification in nasopharyngeal carcinoma. Therefore, investigators selects those with poor plasma EBV DNA response during and after induction chemotherapy, and intensifies the treatment with combination of anti-PD-1 antibody, in order to improve progression-free survival in locally advanced nasopharyngeal carcinoma, according to response-adapted strategy.


Clinical Trial Description

In this study, investigators enroll patients with locally advanced nasopharyngeal carcinoma. All the patients recieve GP-based induction chemotherapy. After one cycle of induction chemotherapy, plasma EBV DNA and head and neck MR are performed. Based on clinical efficacy and changes of plasma EBV DNA, patients with good response will directly receive concurrent chemoradiation (CCRT). Patients with intermediate response will be randomized to immunotherapy group (GP combined with toripalimab for two additional cycles then CCRT) and standard group (GP for two additional cycles then CCRT). Patients with poor response will be switched to TP regimen combined with toripalimab, followed by CCRT. The main endpoint is 2 year progression-free survival rate. The aim of this study is to clarify whether response-adapted strategy based on clinical efficacy and EBV DNA response confers survival benefit to patients with locally advanced nasopharyngeal carcinoma. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT05628922
Study type Interventional
Source Fudan University
Contact Chao-su Hu, M.D.
Phone +862164175590
Email hucsu62@163.com
Status Recruiting
Phase Phase 2
Start date July 2, 2022
Completion date July 1, 2027

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