Zusammenfassung
Das Mammakarzinom ist die häufigste Tumorentität
bei Frauen. Die klinische Forschung hat in den letzten Jahren zu
einer immer differenzierteren Therapie sowohl in der adjuvanten
als auch in der palliativen Situation beigetragen. Die medikamentöse
Therapie des Mammakarzinoms wurde in den letzen Jahren durch Substanzen mit
neuen Wirkprinzipien ergänzt, deren Einsatz und Wirksamkeit
von den biologischen Eigenschaften des Tumors abhängt.
Da sie auf die individuellen Tumorcharakteristika zugeschnitten sind,
werden sie als „targeted agents” oder „targeted
therapy” bezeichnet. Als Ziele gelten häufig Rezeptoren
des Mammakarzinoms, Schlüsselproteine intrazellulärer
Signaltransduktionswege, Tyrosinkinasen oder Zytokine. Auch bei
der endokrinen Therapie haben sich praxisrelevante Änderungen
ergeben. Mit Schwerpunkt auf der Therapie des metastasierten Mammakarzinoms wird
eine Übersicht über die wichtigsten zielgerichteten
Therapien gegeben, die sich in der klinischen Prüfung befinden
oder bereits zugelassen wurden.
Abstract
Breast cancer is the most frequent tumor in women. Clinical research
over the last few years has resulted in an increasing differentiation
of treatment strategies in the adjuvant setting as well as in metastatic
breast cancer. In recent years, the medical treatment of breast
cancer was complemented by agents with new mechanisms of action
that depend on biological properties of the tumor. As these agents
target tumor specific characteristics they are called targeted agents
or targeted therapy. Most frequently, different receptors, key proteins
of intracellular pathways, thyrosinkinases, or cytokines serve as
tumor targets. Even in endocrine treatment relevant changes of practical guidelines
emerged. The most important targeted therapies are reviewed with
special regard to metastatic breast cancer.
Schlüsselwörter
Mammakarzinom - zielgerichtete Therapie - endokrine Therapie - Chemotherapie - small
molecules - monoklonale Antikörper
Keywords
breast cancer - targeted therapy - endocrine therapy - chemotherapy - small molecules
- monoclonal antibodies
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Dr. Jan Eucker
Medizinische Klinik mit Schwerpunkt Onkologie und
Hämatologie
Charité – Universitätsmedizin
Berlin
Charitéplatz 1
10117 Berlin
Phone: 030/450-613409
Fax: 030/450-513952
Email: jan.eucker@charite.de