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Reduced Volume of Neck Prophylactic Irradiation in Nasopharyngeal Carcinoma

Reduced Volume of Neck Prophylactic Irradiation in Nasopharyngeal Carcinoma: a Multi-center, Non-inferiority, Open-label, Randomized Controlled Phase III Clinical Trial

Status
Active, not recruiting
Phases
Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT05780372
Enrollment
474
Registered
2023-03-22
Start date
2023-08-08
Completion date
2028-04-01
Last updated
2026-05-11

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Nasopharyngeal Carcinoma, Radiotherapy; Complications

Brief summary

This is a multi-center, non-inferiority, open-label, randomized controlled phase III clinical trial in primary diagnosed nasopharyngeal carcinoma (NPC) patients without distant metastasis. The purpose of this study is to evaluate the efficacy of reduced neck prophylactic radiotherapy versus conventional neck prophylactic radiotherapy, and compare the radiotherapy-related adverse events and quality of life in two groups.

Interventions

RADIATIONIntensity Modulated Radiation Therapy

All target volumes will be outlined slice by slice on the axial contrast-enhanced CT with MR fusion images in the treatment planning system. The target volumes are defined in accordance with the International Commission on Radiation Units and Measurements Reports 83. The prescribed dose is 70-72 Gy to PTVp (Planning target volume of the primary tumor), 64-70 Gy to PTVn (Planning target volume of the lymph node),60- 64Gy to PTV1 (High-risk planning target volume), and 54-58 Gy to PTV2 (Low-risk planning target volume) in 30-32 fractions. The details of dose limits for organs at risk are based on the study 0225 from The Radiation Therapy Oncology Group (RTOG 0225).

DRUGChemotherapy

Chemotherapy will be arranged by the physician-in-charge according to the NCCN guideline, patient's stage and physical condition.

Sponsors

Sun Yat-sen University
Lead SponsorOTHER
Jiangxi Provincial Cancer Hospital
CollaboratorOTHER
Zhejiang Cancer Hospital
CollaboratorOTHER
Chongqing University Cancer Hospital
CollaboratorOTHER
Dongguan People's Hospital
CollaboratorOTHER_GOV
Union Hospital, Tongji Medical College, Huazhong University of Science and Technology
CollaboratorOTHER
The First Affiliate Hospital of Guangxi Medical College
CollaboratorUNKNOWN
Liuzhou Workers' Hospital
CollaboratorOTHER_GOV
The First Affiliated Hospital of Xiamen University
CollaboratorOTHER
Wuzhou Red Cross Hospital
CollaboratorOTHER
Hubei Cancer Hospital
CollaboratorOTHER
First Hospital of China Medical University
CollaboratorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to 70 Years
Healthy volunteers
No

Inclusion criteria

* Newly histologic diagnosis of nasopharyngeal non-keratinizing carcinoma (WHO II/III); * All genders, range from 18-70 years old; * ECOG score 0-1; * Clinical stage I-IVa (AJCC/UICC 8th); * Not received radiotherapy, chemotherapy and other anti-tumor treatment (including immunotherapy); * No contraindications to chemotherapy or radiotherapy; * Adequate organ function: white blood cell count ≥ 4×109/L, neutrophile granulocyte count ≥ 1.5×109/L, hemoglobin ≥ 9g/L, platelet count ≥ 100×109/L; alanine aminotransferase or aspartate aminotransferase \< 2.5×upper limit of normal; blood urea nitrogen or creatinine ≤ 1.5×upper limit of normal or endogenous creatinine clearance ≥ 60ml/min (Cockcroft-Gault formula); * Sign the consent form.

Exclusion criteria

* Neck lymph nodes exist skipping metastasis; * Distant metastases; * Keratinized squamous cell carcinoma or basal cell like squamous cell carcinoma; * Have or are suffering from other malignant tumors; * Participating in other clinical trials; * Pregnancy or lactation; * Have uncontrolled cardiovascular disease; * Severe complication, eg, uncontrolled hypertension; * Mental disorder; * Drug or alcohol addition; * Do not have full capacity for civil acts.

Design outcomes

Primary

MeasureTime frameDescription
Regional recurrence-free survival3 yearsFrom the date of randomization to regional recurrence or any death

Secondary

MeasureTime frameDescription
Overall survival3 yearsFrom the date of randomization to any death, with patients unavailable for follow-up censored at the date of last follow-up
Local recurrence-free survival3 yearsFrom the date of randomization to local recurrence or any death
Distant metastasis-free survival3 yearsFrom the date of randomization to distant metastasis or any death
Progression free survival3 yearsFrom the date of randomization to local or regional recurrence, distant metastasis or any death
Acute toxicitiesFrom the start of treatment until 3 months post treatmentAssessed with CTCAE v5.0
Late toxicities3 years post treatmentAssessed with RTOG/EORTC
Quality of life scoreDuring treatment and 3 years post treatmentAssessed with EORTC-Quality of life questionnaire-C30 version 3.0

Countries

China

Contacts

PRINCIPAL_INVESTIGATORChong Zhao, MD PhD

Sun Yat-Sen University Cancer Center

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: May 12, 2026