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Table 2A Relative use of various endocrine agents

From: "Resurrection of clinical efficacy" after resistance to endocrine therapy in metastatic breast cancer

N (%) 1st line 223 (100) 2nd line 115 (100) 3rd line 71 (100) 4th line 32 (100) 5th line 8 (100)
Tamoxifen 85(38.1) 20(17.4) 5(7.0) 4(21.5) 2(25)
Anastrozole 110(49.3) 59(51.3) 12(17.0) 2(6.2) 2(25)
Exemestane 6(2.7) 24(20.9) 18(25.3) 18(56.3) 3(37.5)
Megestrol 5(2.7) 10(8.7) 35(49.3) 6(18.8) None
Fulvestrant 17(7.6) 2(1.7) 1(1.4) 2(6.2) None
Letrozole None None None None 1(12.5)