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Table 5 Other agents under investigation in metastatic breast cancer

From: Recent advances in systemic therapy. When HER2 is not the target: advances in the treatment of HER2-negative metastatic breast cancer

Agent

Class of agent

Stage of development

Tipifarnib

Farnesyl transferase inhibitor Inhibits Ras activation

II

Deforolimus

mTOR inhibitor

II

Everolimus

mTOR inhibitor

II

Sirolimus

mTOR inhibitor

I

Temsirolimus

mTOR inhibitor

Discontinued

KU-59436

PARP inhibitor

II

BSI-2011

PARP inhibitor

II

AG-14699

PARP inhibitor

II

  1. mTOR, mammalian target of rapamycin; PARP, poly-ADP ribose polymerase.