# Radiation Therapy in Treating Patients With Metastases to the Lymph Nodes in the Neck From an Unknown Primary Tumor

> **NCT00047125** · PHASE3 · COMPLETED · sponsor: **European Organisation for Research and Treatment of Cancer - EORTC** · enrollment: 600 (actual)

## Conditions studied

- Carcinoma of Unknown Primary

## Interventions

- **RADIATION:** radiation therapy

## Key facts

- **NCT ID:** NCT00047125
- **Lead sponsor:** European Organisation for Research and Treatment of Cancer - EORTC
- **Sponsor class:** NETWORK
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2002-07
- **Primary completion:** 2004-07
- **Final completion:** —
- **Target enrollment:** 600 (ACTUAL)
- **Last updated:** 2018-07-09

## Collaborators

- [object Object]
- [object Object]
- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00047125

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00047125, "Radiation Therapy in Treating Patients With Metastases to the Lymph Nodes in the Neck From an Unknown Primary Tumor". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT00047125. Licensed CC0.

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