Sentence: Combined treatment with nintedanib ( 200 mg/bid ) plus letrozole ( 2.5 mg/day ) effectively suppressed FGFR1 and aromatase activity , and these respective doses can be used as starting doses in any subsequent trials .
Drug combination annotation:
[{'class': 'POS', 'spans': ['nintedanib', 'letrozole'], 'is_context_needed': False}]