All are true regarding selective estrogen receptor down (SERD) Fulvestrant exept: (A) Used for treatment of advanced breast cancer, (B) Is a selective estrogen antagonist, (C) Is slower, sho acting and less safer than SERMS, (D) Administered as once month i.m. dose
Answer is C. 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)