Related Experiment Video
Updated: Aug 14, 2026
11:34
Building Up a High-throughput Screening Platform to Assess the Heterogeneity of HER2 Gene Amplification in Breast Cancers
Published on: December 5, 2017
[Breast cancer: HER2 changes one's cards on the table]
1Istituto Nazionale Tumori Regina Elena, Roma.
La Clinica Terapeutica
|December 31, 2005
Summary
Trastuzumab significantly improves treatment outcomes for HER2-positive breast cancer in neoadjuvant and adjuvant settings. This targeted therapy demonstrates superior pathologic complete response and disease-free survival with manageable side effects.
Area of Science:
- Oncology
- Pharmacology
Background:
- Trastuzumab is a targeted therapy for HER2-positive breast cancer.
- Its efficacy in adjuvant and neoadjuvant settings is under investigation.
Purpose of the Study:
- To evaluate the effectiveness and safety of trastuzumab in combination with chemotherapy for HER2-positive breast cancer.
Main Methods:
- Randomized trials comparing chemotherapy alone versus chemotherapy plus trastuzumab.
- Studies included neoadjuvant and adjuvant treatment arms.
- Key trials mentioned: NSABP B-31, NCCTG N9831, and HERA.
Main Results:
- Neoadjuvant therapy showed a pathologic complete response rate of 66.7% with trastuzumab versus 25% without.
- Adjuvant therapy demonstrated significant improvement in disease-free survival when trastuzumab was added.
- Cardiotoxic effects were acceptable, occurring in less than 4% of patients.
Conclusions:
- Trastuzumab-containing regimens offer a favorable risk/benefit ratio for HER2-positive breast cancer.
- Careful patient discussion is warranted due to the monoclonal antibody's use.
- Long-term side effects require further monitoring due to short follow-up periods.
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