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. 2008 Jan 23;29(2):217–233. doi: 10.1210/er.2006-0045

Table 1.

Response to estrogen deprivation/SERMs in the neoadjuvant setting

Study 1 Ellis (117)
Study 2 Zhu (118)
Study 3 Smith (11)
Letrozole Tamoxifen Letrozole Tamoxifen Letrozole Tamoxifen
EGFR/HER2 negative 54% 42% 35% – 41% 43%
EGFR/HER2 positive 88% 21% 75% – 58% 22%