# Investigation of Gene Mutations in Patients With Triple-negative and Patients With HER2+ Breast Cancer Adenocarcinoma

> **NCT04365790** · — · UNKNOWN · sponsor: **Hellenic Cooperative Oncology Group** · enrollment: 500 (actual)

## Conditions studied

- Breast Cancer

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT04365790
- **Lead sponsor:** Hellenic Cooperative Oncology Group
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** UNKNOWN
- **Start date:** 2013-04-18
- **Primary completion:** 2020-12-21
- **Final completion:** 2023-09
- **Target enrollment:** 500 (ACTUAL)
- **Last updated:** 2023-03-08


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04365790

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04365790, "Investigation of Gene Mutations in Patients With Triple-negative and Patients With HER2+ Breast Cancer Adenocarcinoma". Retrieved via AI Analytics 2026-06-24 from https://api.ai-analytics.org/clinical/NCT04365790. Licensed CC0.

---

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