IM Administer as 2 consecutive 5 mL by slow inj (1-2 min/inj), 1 in each buttock (gluteal area).
Monotherapy Adult female (including elderly) 500 mg at 1-mth intervals w/ additional 500 mg given 2 wk after initial dose.
In combination w/ abemaciclib Faslodex 500 mg on days 1, 15, 29 & once mthly thereafter + abemaciclib 150 mg orally twice daily.
In combination w/ ribociclib Faslodex 500 mg on days 1, 15, 29 & once mthly thereafter + ribociclib 600 mg orally once daily for 21 days followed by 7 days off-treatment to complete 28 days cycle.