Daiichi Sankyo Presents Long-Term Phase 1 Results of Antibody Drug Conjugate DS-8201 in Patients with HER2-Expressing Breast, Gastric and Other Solid Cancers at 2018 American Society of Clinical Oncology (ASCO) Annual Meeting

- Updated subgroup analysis in 34 heavily pretreated patients with HER2-low-expressing metastatic breast cancer demonstrated a 50.0 percent confirmed overall response rate and an 85.3 percent disease control rate with DS-8201 - A 54.5 percent confirmed overall response rate and a...

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