Shorter-duration trastuzumab noninferior in early breast cancer

Key clinical point: For patients with early breast cancer, ≤ 6 months of adjuvant trastuzumab was noninferior to a 1-year course and appeared to be less cardiotoxic.

Major finding: 5-year DFS rates were 85.4% vs. 87.1%, respectively. Rates of congestive heart failure were 3.9% vs. 6.9%, respectively.

Study details: Meta-analysis of 5 randomized trials (11,376 patients).

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Disclosures: Funding sources were not reported. Two coinvestigators disclosed ties to Roche, Eisai, Novartis, Sanofi, Kendle India, and several other pharmaceutical companies.

Citation: Gulia S et al. 2020 Aug 24. JAMA Netw Open. doi: 10.1001/jamanetworkopen.2020.11777