# Circulating Tumor Cells as a Biomarker for Preoperative Prognostic Staging in Patients With Esophageal Cancer

> **NCT01858805** · — · COMPLETED · sponsor: **Universitätsklinikum Hamburg-Eppendorf** · enrollment: 123 (actual)

## Conditions studied

- Resectable Esophageal Cancer

## Interventions

- **PROCEDURE:** esophagectomy

## Key facts

- **NCT ID:** NCT01858805
- **Lead sponsor:** Universitätsklinikum Hamburg-Eppendorf
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2010-04
- **Primary completion:** 2014-04
- **Final completion:** 2014-04
- **Target enrollment:** 123 (ACTUAL)
- **Last updated:** 2014-11-18


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01858805

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01858805, "Circulating Tumor Cells as a Biomarker for Preoperative Prognostic Staging in Patients With Esophageal Cancer". Retrieved via AI Analytics 2026-06-15 from https://api.ai-analytics.org/clinical/NCT01858805. Licensed CC0.

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