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Registry for patients with advanced or metastatic breast cancer

A Prospective Registry Study in Patients With Unresectable Locally Advanced or Metastatic Breast Cancer (MBC)

Observational Spanish Breast Cancer Research Group · NCT02819882

This study is creating a registry to collect health information from patients with advanced or metastatic breast cancer to better understand how the disease is managed and what outcomes patients experience.

Quick facts

Study typeObservational
Enrollment1867 (estimated)
Ages18 Years and up
SexAll
SponsorSpanish Breast Cancer Research Group Academic / other
Locations40 sites (Elche, Alicante and 39 other locations)
Trial IDNCT02819882 on ClinicalTrials.gov

What this trial studies

This observational study aims to create a registry for patients diagnosed with unresectable locally advanced or metastatic breast cancer since January 2016. It involves multiple centers and does not specify any treatment regimen, allowing physicians to make independent clinical decisions. Patients can withdraw from the study at any time, and their health information will be recorded and monitored throughout the study duration. The goal is to gather comprehensive data on disease management and patient outcomes.

Who should consider this trial

Good fit: Ideal candidates include adults aged 18 and older diagnosed with unresectable locally advanced or metastatic breast cancer since January 2016.

Not a fit: Patients with early-stage breast cancer or those who have not been diagnosed with unresectable disease may not benefit from this study.

Why it matters

Potential benefit: If successful, this registry could enhance understanding of treatment patterns and outcomes in advanced breast cancer, potentially leading to improved patient care.

How similar studies have performed: Other observational studies in cancer registries have shown success in improving treatment understanding and patient outcomes, indicating this approach is supported by prior evidence.

Eligibility criteria

Show full inclusion / exclusion criteria 
Inclusion Criteria:

1. Patients (males or females) diagnosed with unresectable locally advanced or MBC (either after a recurrence or as first diagnosis) from January 2016 onwards.
2. Patients who died are allowed to be included on the study.
3. Able and willing to provide written informed consent if they are alive.
4. Age ≥ 18 years.
5. Availability to medical records access and all data related to the disease management.

Exclusion Criteria:

None

Where this trial is running

Elche, Alicante and 39 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.
View on ClinicalTrials.gov → Find more trials like this →
Conditions Breast NeoplasmsUnresectablelocallyadvancedmetastatic disease
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.