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Trastuzumab Biosimilar Efficacy Sustained With Updated Data

Gina Columbus @ginacolumbusonc
Published: Wednesday, Aug 21, 2019

breast cancer
Adjuvant treatment with the trastuzumab (Herceptin) biosimilar CT-P6 (Herzuma; trastuzumab-pkrb) demonstrated comparable efficacy and safety to the reference product in patients with HER2-positive early breast cancer, according to results of posthoc analyses of a phase III trial (NCT02162667).1



  1. Esteva FJ, Baranau YV, Baryash V, et al. Efficacy and safety of CT-P6 versus reference trastuzumab in HER2-positive early breast cancer: updated results of a randomised phase 3 trial [published online ahead of print August 19, 2019]. Cancer Chemo and Pharma. doi: 10.1007/s00280-019-03920-4.
  2. Celltrion and Teva announce FDA approval of Herzuma (trastuzumab-pkrb), a biosimilar to Herceptin, for the treatment of HER2-overexpressing breast cancer for certain indications [news release]. Incheon, South Korea, and Jerusalem, Israel: Celltrion. Published December 14, 2018. Accessed December 17, 2018.
  3. Esteva FJ, Lee S, Yu S, et al. 24 months results from a double-blind, randomized phase III trial comparing the efficacy and safety of neoadjuvant then adjuvant trastuzumab and its biosimilar candidate CT-P6 in HER2 positive early breast cancer (EBC). Lancet Oncol. 2017;18(7):917-928. doi: 10.1016/S1470-2045(17)30434-5.

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