ADJUVANT ANTI-HER2 THERAPY FOR BREAST CANCER

Abstract

Three European clinical trials (HERA, BCIRG 006, FinHER) and two American clinical trials (NSABP B-31 and NCCTG № 9831), including more over 11 thousand women with HER2-positive breast cancer (BC) with metastases to the lymph nodes show Three European clinical trials (HERA, BCIRG 006, FinHER) and two American clinical trials (NSABP B-31 and NCCTG № 9831), including more over 11 thousand women with HER2-positive breast cancer (BC) with metastases to the lymph nodes show that anti-HER2 target therapy (trastuzumab) in addition to adjuvant chemotherapy leads to increase of recurrence free survival rates by 30 to 40%. Approximately 10% of tumors 1 cm and less in diameter also have expressed HER2, and their prognosis is significantly worse than in patients with HER2-negative tumors at the same stage (pT1a-bN0M). Due to the lack of special clinical trials, significance of anti-HER2 therapy in patients with minimal breast cancer remains unclear.

References

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