# Elective Level Ib Irradiation in Nasopharyngeal Carcinoma Patients Based on the International Guidelines

> **NCT05519956** · PHASE3 · UNKNOWN · sponsor: **Fujian Cancer Hospital** · enrollment: 398 (estimated)

## Conditions studied

- Nasopharyngeal Carcinoma

## Interventions

- **RADIATION:** level Ib-covering IMRT
- **RADIATION:** level Ib-sparing IMRT

## Key facts

- **NCT ID:** NCT05519956
- **Lead sponsor:** Fujian Cancer Hospital
- **Sponsor class:** OTHER_GOV
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2022-09-16
- **Primary completion:** 2025-09-01
- **Final completion:** 2025-09-30
- **Target enrollment:** 398 (ESTIMATED)
- **Last updated:** 2022-09-19


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05519956

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05519956, "Elective Level Ib Irradiation in Nasopharyngeal Carcinoma Patients Based on the International Guidelines". Retrieved via AI Analytics 2026-05-27 from https://api.ai-analytics.org/clinical/NCT05519956. Licensed CC0.

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