13,500 breast cancer patients join quest for better treatment predictors
NCT ID NCT02338167
First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study is collecting blood and tumor samples from 13,500 breast cancer patients, both early-stage and advanced/metastatic. The goal is to discover biomarkers that can predict how well a treatment will work and to improve overall healthcare quality. Researchers will analyze genes, mutations, and other molecular features to better understand the disease.
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 could lead to better ways to predict which breast cancer treatments work best for each patient, especially in advanced stages.
- What could go wrong
- This is an observational study, not a treatment trial. It may not directly improve patient outcomes, and biomarker discoveries may take years to validate.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Participants
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About 13,500 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Jun 2014
- Expected to finish
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Jul 2030
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
Who is studied
10,000 patients with breast cancer in the neoadjuvant and adjuvant (early breast cancer) setting independent of treatment regimen. 3500 patients with locally advanced/metastatic breast cancer in any line of treatment (e.g. 1st, 2nd, 3rd, or ≥ 4th line). A patient can only participate after providing informed consent.
- Ages
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18 to 99 years
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria for the early breast cancer setting: * Adult breast cancer patients (age ≥18 years) * Patients with breast cancer and no evidence of distant metastases with a diagnosis not longer than 91 days before study entry * Patients, who are able and willing to sign the informed consent form Inclusion Criteria for the advanced/metastatic setting: * Adult women aged ≥18 years * Patients with the diagnosis of invasive breast cancer (in German: Mammakarzinom, as op-posed to "non-invasive"= ductales Carcinoma in situ; irrespective of status of BC, e.g. TNM, re-ceptor status etc.) and * Patients, who are willing and able to sign the informed consent form * Patients with metastatic or locally advanced, inoperable disease proven by clinical measures (i.e. standard imaging) Exclusion Criteria: * Patients who did not sign the informed consent form * Patients, who are not eligible for observation due to non-availability and/or severe comor-bidities as evaluated by the treating physician
Get updates
Get notified about this study
Sign up to get updates when this study changes or when new studies for Advanced/metastatic breast cancer are added.
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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.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
52 sites. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Study site
COMPLETEDHerne, North Rhine-Westphalia, 44623, Germany
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Anregiomed gKK Klinikum Ansbach Brustzentrum Westmittelfranken
RECRUITINGAnsbach, Bavaria, 91522, Germany
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Caritas-Krankenhaus St. Josef
RECRUITINGRegensburg, Bavaria, 93053, Germany
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Centrum für Hämatologie und Onkologie Bethanien
RECRUITINGFrankfurt am Main, Hesse, 60389, Germany
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Charité
COMPLETEDBerlin, State of Berlin, 10117, Germany
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DONAUISAR Klinikum
RECRUITINGDeggendorf, Bavaria, 94469, Germany
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Frauenklinik und Poliklinik der Technischen Universität München
RECRUITINGMünchen, Bavaria, 81675, Germany
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Gemeinschaftspraxis für Hämatologie und Onkologie
RECRUITINGLangen, Hesse, 63225, Germany
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Gesellschaft für Medizinische Studien Würselen
RECRUITINGWürselen, North Rhine-Westphalia, 52146, Germany
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Gesundheitszentrum St. Marien GmbH
RECRUITINGAmberg, Bavaria, 92224, Germany
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Gynäkologie und Geburtshilfe im medizinischen Zentrum Bonn
RECRUITINGBonn, North Rhine-Westphalia, 53111, Germany
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Hämatologische-onkologische Praxis
COMPLETEDAugsburg, Bavaria, 86150, Germany
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Immanuel Klinik und Poliklinik Rüdersdorf GmbH
RECRUITINGRüdersdorf, Brandenburg, 15562, Germany
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Institut für Versorgungsforschung
RECRUITINGMayen, Rhineland-Palatinate, 56727, Germany
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Institut für Versorgungsforschung in der Onkologie GbR
RECRUITINGKoblenz, North Rhine-Westphalia, 56068, Germany
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Klinik für Frauenheilkunde, Universitätsklinikum Freiburg
RECRUITINGFreiburg im Breisgau, Baden-Wurttemberg, 79106, Germany
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Klinik für Gynäkologie und Geburtshilfe
COMPLETEDKiel, Schleswig-Holstein, 24105, Germany
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Klinik für Gynäkologie und Geburtshilfe, Helios Kliniken
RECRUITINGBerlin, State of Berlin, 13125, Germany
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Kliniken Essen-Mitte
COMPLETEDEssen, North Rhine-Westphalia, 45136, Germany
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Klinikum Augsburg
RECRUITINGAugsburg, Bavaria, 86156, Germany
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Klinikum Bayreuth
RECRUITINGBayreuth, Bavaria, 95445, Germany
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Klinikum Chemnitz gGmbH
RECRUITINGChemnitz, Saxony, 09116, Germany
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Klinikum Darmstadt Frauenklinik
RECRUITINGDarmstadt, Hesse, 64283, Germany
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Klinikum Fürth
RECRUITINGFürth, Bavaria, 90766, Germany
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Klinikum Kassel GmbH
RECRUITINGKassel, Hesse, 34125, Germany
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Klinikum Sindelfingen-Böblingen gGmbH
RECRUITINGBöblingen, Baden-Wurttemberg, 71032, Germany
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Klinikum der Universität München Frauenklinik
RECRUITINGMünchen, Bavaria, 81337, Germany
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Kreiskrankenhaus Torgau
RECRUITINGTorgau, Saxony, 04860, Germany
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Lahn-Dill-Kliniken GmbH Klinikum Wetzlar
COMPLETEDWetzlar, Hesse, 35578, Germany
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MVZ am Klinikum Aschaffenburg - Zweigpraxis für Hämatologie und Onkologie
RECRUITINGHösbach, Bavaria, 63768, Germany
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Marienhospital
RECRUITINGBottrop, North Rhine-Westphalia, 46236, Germany
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MediOnko-Institut GbR
RECRUITINGBerlin, State of Berlin, 10367, Germany
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NCT Heidelberg
RECRUITINGHeidelberg, Baden-Wurttemberg, 69120, Germany
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Niels-Stensen-Kliniken
RECRUITINGGeorgsmarienhütte, Lower Saxony, 49124, Germany
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Onkologie Elisenhof, München
COMPLETEDMünchen, Bavaria, 80335, Germany
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Onkologie Lerchenfeld
COMPLETEDHamburg, Free and Hanseatic City of Hamburg, 22081, Germany
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Onkologische Schwerpunktpraxis Leer-Emden
RECRUITINGLeer, Lower Saxony, 26789, Germany
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Onkologisches Zentrum Donauwörth
RECRUITINGDonauwörth, Bavaria, 86609, Germany
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Praxis Onkologie und Hämatologie
COMPLETEDRecklinghausen, North Rhine-Westphalia, 45657, Germany
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Praxis für Frauenheilkunde und Geburtshilfe
RECRUITINGFürstenwalde, Brandenburg, 015517, Germany
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Praxisklinik am Rosengarten
RECRUITINGMannheim, Baden-Wurttemberg, 68165, Germany
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Rottal-Inn-Kliniken GmbH
RECRUITINGEggenfelden, Bavaria, 84307, Germany
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Ruppiner Kliniken GmbH, Hochschulklinikum der Med. Hochschule Brandenburg
RECRUITINGNeuruppin, Brandenburg, 16816, Germany
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Schwerpunktpraxis für Hämatologie und Onkologie
RECRUITINGKaiserslautern, Rhineland-Palatinate, 67655, Germany
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Sozialstiftung Bamberg Klinikum am Bruderwald
RECRUITINGBamberg, Bavaria, 96049, Germany
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St. Vincenz-Krankenhaus GmbH
RECRUITINGPaderborn, North Rhine-Westphalia, 33098, Germany
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Uniklinik RWTH Aachen
RECRUITINGAachen, North Rhine-Westphalia, 52074, Germany
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Universitäres Krebszentrum Leipzig
RECRUITINGLeipzig, Saxony, 04103, Germany
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Universitätsfrauenklinik Düsseldorf
RECRUITINGDüsseldorf, North Rhine-Westphalia, 40225, Germany
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Universitätsfrauenklinik Erlangen
RECRUITINGErlangen, Bavaria, 91012, Germany
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Universitätsfrauenklinik Tübingen
RECRUITINGTübingen, Baden-Wurttemberg, Germany
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Universitätsfrauenklinik Ulm
RECRUITINGUlm, Baden-Wurttemberg, 89081, Germany
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Universitätsklinik Dresden
RECRUITINGDresden, Saxony, 01307, Germany
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Universitätsklinikum Halle (Saale)
RECRUITINGHalle, Saxony-Anhalt, 06120, Germany
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Universitätsklinikum Hamburg-Eppendorf
RECRUITINGHamburg, Free and Hanseatic City of Hamburg, 20246, Germany
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Universitätsklinikum Schleswig-Holstein
RECRUITINGLübeck, Schleswig-Holstein, 23538, Germany
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Universitätsklinikum Würzburg
RECRUITINGWürzburg, Bavaria, 97080, Germany
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ViDia Christliche Kliniken Karlsruhe
RECRUITINGKarlsruhe, Baden-Wurttemberg, 76135, Germany
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g.SUND Gynäkologie Kompetenzzentrum Stralsund
RECRUITINGStralsund, Mecklenburg-Vorpommern, 18435, Germany
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medius KLINIKEN gGmbH, medius KLINIK Ostfildern-Ruit
RECRUITINGOstfildern, 73760, Germany
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medius Klinik Nürtingen
RECRUITINGNürtingen, Baden-Wurttemberg, 72622, Germany
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