Long-term data for Ontruzant at ESMO 2021

14 September 2021

At the 2021 annual congress of the European Society of Medical Oncology (ESMO 2021), South Korea’s Samsung Bioepis has announced five-year follow-up data for Ontruzant (trastuzumab).

Samsung Bioepis is a joint venture between South Korea's Samsung BioLogics (KRX: 207940.KS) and US biotech major Biogen (Nasdaq: BIIB).

The firms have been comparing the biosimilar with its reference medicine, Roche’s (ROG: SIX) Herceptin (trastuzumab) in early or locally advanced HER2 positive breast cancer.

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