Single-arm study | Halting endocrine therapy for pregnancy not linked to increased breast cancer events vs. a control cohort

Interrupting Endocrine Therapy to Attempt Pregnancy after Breast Cancer – New England Journal of Medicine (link to abstract – $ for full-text)

Commentary: Temporary Interruption of Adjuvant Endocrine Treatment to Attempt Pregnancy Does Not Increase Short-Term Risk for Worsening Breast Cancer Outcomes – ESMO

Commentary on Twitter

In women with previous breast cancer who temporarily discontinued adjuvant endocrine therapy to attempt pregnancy, the frequency of breast cancer events was below the prespecified safety threshold and similar to that in controls (POSITIVE trial). https://t.co/zM3f4SbgjE

— NEJM (@NEJM) May 3, 2023