All are true regarding selective estrogen receptor down (SERD) Fulvestrant exept
High-Yield Explanation
Fulvestrant is more efficient than tamoxifen,used in the treatment of metastatic ER positive breast cancer. It is a selective estrogen antagonist and is administered as 250mg monthly i.m Injections. (Ref.Essentials of medical pharmacology TD Tripathi 7th edition page no 313)