Giredestrant Delivers Long-Sought Adjuvant Benefit

The oral selective estrogen receptor degrader giredestrant prolonged invasive disease-free survival more than standard endocrine therapies, such as tamoxifen, letrozole, anastrozole, and exemestane, in the phase III lidERA study. Despite the lack of comparisons between the drug and CDK4/6 inhibitors and concerns over its potential cost, researchers were excited by the data, noting that it’s the first improvement in adjuvant endocrine therapy in two decades.