# 21-gene in Elder Breast Cancer Patients With Lymph Node Metastasis

> **NCT06891651** · — · RECRUITING · sponsor: **Qilu Hospital of Shandong University** · enrollment: 35 (estimated)

## Conditions studied

- Breast Cancer Metastatic
- Breast Cancer Survival

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT06891651
- **Lead sponsor:** Qilu Hospital of Shandong University
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** RECRUITING
- **Start date:** 2024-12-01
- **Primary completion:** 2026-12-31
- **Final completion:** 2034-12-31
- **Target enrollment:** 35 (ESTIMATED)
- **Last updated:** 2025-03-24


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT06891651

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT06891651, "21-gene in Elder Breast Cancer Patients With Lymph Node Metastasis". Retrieved via AI Analytics 2026-06-23 from https://api.ai-analytics.org/clinical/NCT06891651. Licensed CC0.

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