Management of hereditary breast cancer: American society of clinical oncology, American society for radiation oncology, and society of surgical oncology guideline

Nadine M. Tung, Judy C. Boughey, Lori J. Pierce, Mark E. Robson, Isabelle Bedrosian, Jill R. Dietz, Anthony Dragun, Judith Balmana Gelpi, Erin W. Hofstatter, Claudine J. Isaacs, Ismail Jatoi, Elaine Kennedy, Jennifer K. Litton, Nina A. Mayr, Rubina D. Qamar, Mark G. Trombetta, Brittany E. Harvey, Mark R. Somerfield, Dana Zakalik

Research output: Contribution to journalArticle

Abstract

PURPOSE To develop recommendations for management of patients with breast cancer (BC) with germline mutations in BC susceptibility genes. METHODS The American Society of Clinical Oncology, American Society for Radiation Oncology, and Society of Surgical Oncology convened an Expert Panel to develop recommendations based on a systematic review of the literature and a formal consensus process. RESULTS Fifty-eight articles met eligibility criteria and formed the evidentiary basis for the local therapy recommendations; six randomized controlled trials of systemic therapy met eligibility criteria. RECOMMENDATIONS Patients with newly diagnosed BC and BRCA1/2 mutations may be considered for breast-conserving therapy (BCT), with local control of the index cancer similar to that of noncarriers. The significant risk of a contralateral BC (CBC), especially in young women, and the higher risk of new cancers in the ipsilateral breast warrant discussion of bilateral mastectomy. Patients with mutations in moderate-risk genes should be offered BCT. For women with mutations in BRCA1/2 or moderate-penetrance genes who are eligible for mastectomy, nipple-sparing mastectomy is a reasonable approach. There is no evidence of increased toxicity or CBC events from radiation exposure in BRCA1/2 carriers. Radiation therapy should not be withheld in ATM carriers. For patients with germline TP53 mutations, mastectomy is advised; radiation therapy is contraindicated except in those with significant risk of locoregional recurrence. Platinum agents are recommended versus taxanes to treat advanced BC in BRCA carriers. In the adjuvant/neoadjuvant setting, data do not support the routine addition of platinum to anthracycline- and taxane-based chemotherapy. Poly (ADP-ribose) polymerase (PARP) inhibitors (olaparib and talazoparib) are preferable to nonplatinum single-agent chemotherapy for treatment of advanced BC in BRCA1/2 carriers. Data are insufficient to recommend PARP inhibitor use in the early setting or in moderate-penetrance carriers. Additional information available at www.asco.org/breastcancer-guidelines.

Original languageEnglish (US)
Pages (from-to)2080-2106
Number of pages27
JournalJournal of Clinical Oncology
Volume38
Issue number18
DOIs
StatePublished - Jun 2020

ASJC Scopus subject areas

  • Oncology
  • Cancer Research

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    Tung, N. M., Boughey, J. C., Pierce, L. J., Robson, M. E., Bedrosian, I., Dietz, J. R., Dragun, A., Gelpi, J. B., Hofstatter, E. W., Isaacs, C. J., Jatoi, I., Kennedy, E., Litton, J. K., Mayr, N. A., Qamar, R. D., Trombetta, M. G., Harvey, B. E., Somerfield, M. R., & Zakalik, D. (2020). Management of hereditary breast cancer: American society of clinical oncology, American society for radiation oncology, and society of surgical oncology guideline. Journal of Clinical Oncology, 38(18), 2080-2106. https://doi.org/10.1200/JCO.20.00299