Bruno Simões

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New approach found to tackle breast cancer hormone therapy resistance

Around 75% of breast cancers are estrogen receptor-positive (ER+) and are treated with anti-estrogen therapies, such as tamoxifen. But around one in four of these cases recur, which is why it’s so important that we continue to learn more about how the disease finds ways to survive in some patients and not others.

Nova estratégia para combater o cancro de mama resistente à terapia anti-hormonal

Os doentes com cancro de mama que expressam o receptor do estrogénio (aprox. 75%) são tratados com terapias anti-estrogénio (como o tamoxifeno), mas apesar do claro benefício deste tipo de tratamento, sensivelmente uma em cada quatro mulheres com este tipo de cancro acaba por apresentar resistência aos tratamentos (metástases).