what not eat or drink when taking tamoxifen Brown has served as a consultant for Abbvie, Acerta, Astellas, AstraZeneca, Beigene, Genentech Roche, Gilead, Juno Celgene, Kite, Loxo, Novartis, Octapharma, Pfizer, Pharmacyclics, Redx, Sun, Sunesis, TG Therapeutics, and Verastem; has received honoraria from Janssen and Teva; has received research funding from Gilead, Loxo, Sun, and Verastem; and has served on Data Safety Monitoring Committees for Morphosys and Invectys