Massive german study to reveal how breast cancer is really treated

NCT ID NCT03417115

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study is following over 6,000 breast cancer patients in Germany to see what treatments they actually receive in routine care and how they fare over time. Researchers are collecting data on treatment patterns, survival, and quality of life from patients with early and advanced breast cancer. The goal is to understand real-world outcomes, not to test a new drug.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

What this could lead to
If successful, this study could provide a clearer picture of which breast cancer treatments work best in everyday medical practice, helping doctors make more informed decisions.
What could go wrong
This is an observational study, not a controlled trial, so it cannot prove cause and effect. Results may be influenced by differences in patient care or data collection across sites.

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Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Study contacts

  • Contact

    Email: •••••@•••••

  • Contact

    Email: •••••@•••••

Locations

  • Multiple sites all over germany

    RECRUITING

    Many Locations, Germany

    Contact Email: •••••@•••••

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Other studies related to the condition(s) this trial covers.