# Prospective Study for the Prognostic and Predictive Role of Circulating Tumor Cells in Patients With Oropharyngeal Squamous Cell Carcinoma: CTCO (Circulating Tumor Cells in the Oropharynx)

> **NCT04696744** · — · COMPLETED · sponsor: **Hospices Civils de Lyon** · enrollment: 12 (actual)

## Conditions studied

- Circulating Tumor Cell
- Oropharyngeal Cancer

## Interventions

- **BIOLOGICAL:** CTC detection

## Key facts

- **NCT ID:** NCT04696744
- **Lead sponsor:** Hospices Civils de Lyon
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2021-06-23
- **Primary completion:** 2023-03-17
- **Final completion:** 2023-03-17
- **Target enrollment:** 12 (ACTUAL)
- **Last updated:** 2026-03-11


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04696744

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04696744, "Prospective Study for the Prognostic and Predictive Role of Circulating Tumor Cells in Patients With Oropharyngeal Squamous Cell Carcinoma: CTCO (Circulating Tumor Cells in the Oropharynx)". Retrieved via AI Analytics 2026-05-28 from https://api.ai-analytics.org/clinical/NCT04696744. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*