# A Randomized Study of Primary Tumor Radiotherapy for Patients With Stage Ⅳ NSCLC

> **NCT04654520** · NA · UNKNOWN · sponsor: **Guizhou Medical University** · enrollment: 290 (estimated)

## Conditions studied

- Radiotherapy
- Nonsmall Cell Lung Cancer, Stage IV

## Interventions

- **OTHER:** Drug therapy concurrent radiotherapy for primary tumor omitted CTV

## Key facts

- **NCT ID:** NCT04654520
- **Lead sponsor:** Guizhou Medical University
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2020-12-15
- **Primary completion:** 2021-12-31
- **Final completion:** 2022-05-31
- **Target enrollment:** 290 (ESTIMATED)
- **Last updated:** 2020-12-04


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04654520

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04654520, "A Randomized Study of Primary Tumor Radiotherapy for Patients With Stage Ⅳ NSCLC". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT04654520. Licensed CC0.

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