# Exosomal and Free Extracellular RNAs and Proteins as Predictive Biomarkers for HER2 Therapies in Breast Cancer

> **NCT01840306** · — · COMPLETED · sponsor: **Cancer Trials Ireland** · enrollment: 330 (estimated)

## Conditions studied

- Breast Cancer
- HER2 Positive Breast Cancer
- HER2 Negative Breast Cancer

## Interventions

- **OTHER:** Biomarker Analysis

## Key facts

- **NCT ID:** NCT01840306
- **Lead sponsor:** Cancer Trials Ireland
- **Sponsor class:** NETWORK
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2012-10-12
- **Primary completion:** 2023-05-24
- **Final completion:** 2023-05-24
- **Target enrollment:** 330 (ESTIMATED)
- **Last updated:** 2025-07-08


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01840306

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01840306, "Exosomal and Free Extracellular RNAs and Proteins as Predictive Biomarkers for HER2 Therapies in Breast Cancer". Retrieved via AI Analytics 2026-06-04 from https://api.ai-analytics.org/clinical/NCT01840306. Licensed CC0.

---

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