Fulvestrant decreases anastrozole drug concentrations when taken concurrently by patients with metastatic breast cancer treated on SWOG study S0226.
Hertz DL, Barlow WE, Kidwell KM, Albain KS, Vandenberg TA, Dakhil SR, Tirumali NR, Livingston RB, Gralow J, Hayes DF, Hortobagyi GN, Mehta RS, Rae JM. Fulvestrant decreases anastrozole drug concentrations when taken concurrently by patients with metastatic breast cancer treated on SWOG study S0226. Br J Clin Pharmacol. 2016 06; 81(6):1134-41.