40.2Gy Versus 49.2Gy Radiotherapy in Low-Risk Target Volume for Chemosensitive Stage II Nasopharyngeal Carcinoma

Recruiting now · Phase 3

Conditions studied: Nasopharyngeal Carcinoma

In brief

This study aims to explore the efficacy and adverse events of reduced-dose radiotherapy (40.2Gy) versus conventional-dose radiotherapy (49.2Gy) to low-risk target volume for chemosensitive intermediate-stage nasopharyngeal carcinoma patients.

Key facts

Study ID

NCT07328854

Run by

Ming-Yuan Chen

People needed

346

Starts

2025-11-20

Expected to finish

2032-06-30

Last updated by the study team

2026-01-09

Who can join

Age: 18 and older, up to 75. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Patients are informed of the basic content of this study and sign an informed consent form;
• Age between 18 and 75 years;
• Pathologically diagnosed as non-keratinising nasopharyngeal carcinoma (differentiated or undifferentiated, i.e., WHO type II or III);
• Staged according to the 9th edition of the AJCC/UICC TNM classification as T1-3N2M0 or T3N0-1M0 (Stage II);
• KPS ≥ 70;
• Normal bone marrow function: WBC ≥ 4 × 10⁹/L, PLT ≥ 100 × 10⁹/L, HGB ≥ 90 g/L;
• Imaging evaluation of treatment response after three cycles of GPP/TPP induction chemotherapy plus immunotherapy: CR or PR;
• Plasma EBV DNA level decreases to 0 copies/mL or below the detection limit after induction chemotherapy;
• Normal liver and kidney function: total bilirubin, AST, ALT ≤ 2.0 times the upper limit of normal, creatinine clearance ≥ 60 mL/min or creatinine ≤ 1.5 times the upper limit of normal.

You may not qualify if…

• Patients with recurrent/metastatic nasopharyngeal carcinoma;
• Pregnant or breastfeeding women (pregnancy tests should be considered for women of childbearing age; effective contraception should be emphasised during treatment);
• Patients with a history of malignant tumours, excluding those who have undergone curative treatment for cervical cancer, basal cell carcinoma or squamous cell carcinoma of the skin, localized prostate cancer, or ductal carcinoma in situ;
• Patients whose local/regional lesions have undergone radiotherapy or surgery (excluding diagnostic surgery), or whose lesions exhibit significant necrosis, making radiotherapy unsuitable or potentially leading to radiotherapy resistance;
• Patients with other severe medical conditions that may pose significant risks or impair trial compliance. Examples include unstable cardiac disease requiring treatment, renal disease, hepatic disease, uncontrolled diabetes (fasting blood glucose > 1.5 × ULN), severe psychiatric disorders, or other malignant tumours;
• Patients with a history of severe hypersensitivity reactions to any component of PD-1 monoclonal antibodies;
• History of allergic reactions to the chemotherapy drugs used in this study (gemcitabine, docetaxel, albumin-bound paclitaxel, paclitaxel, cisplatin);
• Patients with comorbidities requiring long-term use of immunosuppressive drugs or systemic or local use of corticosteroids with immunosuppressive effects;
• Patients with active tuberculosis, or those currently receiving antituberculosis treatment or who have received antituberculosis treatment within the past year prior to screening;
• Other patients deemed ineligible for inclusion by the treating physician.

Where it is running

• Anhui Provincial Cancer Hospital — Hefei, Anhui, China (enrolling)
• Fujian Cancer Hospital — Fuzhou, Fujian, China (enrolling)
• Sun Yat-sen University cancer center — Guangzhou, Guangdong, China (enrolling)
• the Affiliated Cancer Hospital of Guangzhou Medical University — Guangzhou, Guangdong, China (enrolling)
• Cancer Hospital of Shantou University Medical College — Shantou, Guangdong, China (enrolling)
• Zhongshan City People's Hospital — Zhongshan, Guangdong, China (enrolling)
• The Fifth Affiliated Hospital of Sun Yat-sen University — Zhuhai, Guangdong, China (enrolling)
• Guangxi Medical University Cancer Hospital — Nanning, Guangxi, China (enrolling)
• Wuzhou Red Cross Hospital — Wuzhou, Guangxi, China (enrolling)
• Central South University Cancer Hospital, — Changsha, Hunan, China (enrolling)
• Xiangya Hospital of Central South University — Changsha, Hunan, China (enrolling)
• West China Hospital, Sichuan University — Chengdu, Sichuan, China (enrolling)
• The First Affiliated Hospital of Kunming Medical University — Kunming, Yunnan, China (enrolling)
• Yunnan Cancer Hospital — Kunming, Yunnan, China (enrolling)
• Zhejiang Cancer Hospital — Hangzhou, Zhejiang, China (enrolling)

Full record on ClinicalTrials.gov

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