Clinical Edge

Summaries of Must-Read Clinical Literature, Guidelines, and FDA Actions

Protons Safe, Effective for Breast Cancer Control

Key clinical point: Proton beam therapy can effectively treat regional nodes while largely sparing cardiac tissues.

Major finding: There were no cases of grade 3 or greater radiation pneumonitis and no grade 4 toxicities.

Study details: Prospective study in 69 women with nonmetastatic breast cancer.

Disclosures: The study was supported by a grant from the National Institutes of Health. Dr. Jimenez disclosed research funding from Focal Therapeutics.


Jimenez RB et al. J Clin Oncol. 2019 Aug 26. doi: 10.1200/JCO.18.02366.