# Clinical Application of Circulating Tumor DNA (ctDNA) in Patients With Late-stage Breast Cancer

> **NCT05079074** · — · COMPLETED · sponsor: **Hunan Cancer Hospital** · enrollment: 223 (actual)

## Conditions studied

- Metastatic Breast Cancer
- Circulating Tumor DNA
- Gene Abnormality

## Interventions

- **DIAGNOSTIC_TEST:** ctDNA testing

## Key facts

- **NCT ID:** NCT05079074
- **Lead sponsor:** Hunan Cancer Hospital
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2016-12-01
- **Primary completion:** 2019-06-30
- **Final completion:** 2021-06-30
- **Target enrollment:** 223 (ACTUAL)
- **Last updated:** 2022-06-22


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05079074

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05079074, "Clinical Application of Circulating Tumor DNA (ctDNA) in Patients With Late-stage Breast Cancer". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT05079074. Licensed CC0.

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