Adjuvant Sintilimab Plus Capecitabine in Nasopharyngeal Carcinoma

Status Recruiting

Clinical Trial Summary

This randomized clinical trial determining whether Sintilimab plus Capecitabine versus Capecitabine alone can improve the progression-free survival rate of NPC patients with unfavorable response to induction chemotherapy. Patients whose plasma EBV DNA> 0 copy/mL or SD/PD according to RECIST1.1 after two cycles induction chemotherapy will have concurrent chemoradiotherapy. MRI, CT and EBV DNA will be assessed before the end of radiotherapy. After concurrent chemoradiotherapy, eligible patients will be randomized to receive either adjuvant Sintilimab plus Capecitabine or Capecitabine alone.

Clinical Trial Description

Currently, although NCCN (National Comprehensive Cancer Network) guidelines recommend induction chemotherapy combined with concurrent chemoradiotherapy as IIA level-evidenced treatment for nasopharyngeal carcinoma (NPC), there are still about 20-30% of patients with NPC who experienced recurrence and metastasis after radical treatment. Our previous results showed that patients with plasma Epstein-Barr virus (EBV) DNA > 0 copy/mL or stable disease/progressive disease (SD/PD) after induction chemotherapy had a significantly higher risk of disease progression than patients with plasma EBV DNA=0 copy/mL and complete response/partial response (CR/PR), according to Response Evaluation Criteria in Solid Tumors (RECIST). As for these high-risk patients, the urgent clinical problem to be solved is whether increased adjuvant treatment intensity after concurrent chemoradiotherapy can improve their survival rates. The addition of adjuvant capecitabine to chemoradiotherapy significantly improved survival in patients with NPC, with a manageable safety profile. Sintilimab is a humanized monoclonal antibody against programmed death 1(PD-1). Anti-PD-1 monoclonal antibody showed efficacy and safety in previous studies, however, the efficacy of immunotherapy alone was limited. Several prospective studies have shown that anti-PD-1 monoclonal antibody combined with chemotherapy had a synergistic effect. Based on this, this randomized clinical trial determining whether adjuvant Sintilimab plus Capecitabine versus Capecitabine alone can improve the progression-free survival rate of patients with unfavorable response to induction chemotherapy and may provide new evidence for individualized comprehensive treatment of NPC patients. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT05201859
Study type	Interventional
Source	Sun Yat-sen University
Contact	Haiqiang Mai, Ph.D
Phone	86-20-87343643
Email	maihq@sysucc.org.cn
Status	Recruiting
Phase	Phase 2
Start date	March 29, 2022
Completion date	February 15, 2026

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