Assessing outcomes in early breast cancer patients guided by Oncotype DX

FREnch Data on Outcomes in HR+/HER2- Early Breast Cancer Patients With oncotypeDX Recurrence Score-guided Therapy

Observational Centre Hospitalier Universitaire de Besancon · NCT06185569

This study is testing how well treatment guided by the Oncotype DX test works for women with early hormone receptor-positive, HER2-negative breast cancer.

Quick facts

Study typeObservational
Enrollment4500 (estimated)
Ages18 Years and up
SexFemale
SponsorCentre Hospitalier Universitaire de Besancon Academic / other
Drugs / interventionschemotherapy
Locations5 sites (Besançon and 4 other locations)
Trial IDNCT06185569 on ClinicalTrials.gov

What this trial studies

This observational study aims to evaluate the clinical outcomes of early breast cancer patients who are hormone receptor-positive and HER2-negative, specifically focusing on those whose treatment is guided by the Oncotype DX Breast Recurrence Score. The study will collect real-life data from patients diagnosed with operable breast cancer and who have undergone the Oncotype DX assay. By analyzing these outcomes, the study seeks to provide insights into the effectiveness of recurrence score-guided therapy in this patient population.

Who should consider this trial

Good fit: Ideal candidates include patients aged 18 and older with operable, hormone receptor-positive, HER2-negative breast cancer who have undergone the Oncotype DX assay.

Not a fit: Patients with inoperable tumors, metastatic breast cancer, or those who have undergone neoadjuvant chemotherapy are unlikely to benefit from this study.

Why it matters

Potential benefit: If successful, this study could enhance treatment strategies for early breast cancer patients, leading to improved patient outcomes.

How similar studies have performed: Other studies utilizing Oncotype DX for guiding therapy in breast cancer have shown promising results, indicating a potential for success in this approach.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Patients ≥ 18 years old With invasive breast carcinoma diagnosed on biopsy or surgical sample (histological evidence) Operable breast cancer HR+ (at least ER+) /HER2- tumors With ODX assay performed

Exclusion Criteria:

* Inoperable tumor(s) or inoperable patient (e.g., patient too frail to undergo surgery) Synchronous breast cancers with different clinico-pathological features (e.g. : HR+/HER2 negative and triple-negative or HER2-positive breast cancer Patient undergoing neoadjuvant chemotherapy or neoadjuvant hormone therapy Nodal involvement in more than 4 lymph nodes (pN2 or higher) Metastatic breast cancer at diagnosis Other malignancy diagnosed in the past 10 years (except for cutaneous malignancies other than melanoma) The patient participated in the RxPONDER study in France The patient communicated a refusal to participate in the study (via a refusal letter to the investigator) Legal incapacity or limited legal capacity

Where this trial is running

Besançon and 4 other locations

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Breast CancerEarly breast cancer
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.