Existing Drug (Doxycycline) Can Reduce Breast Cancer Recurrence Risk
(See October 2018 Update)
"For the study, the researchers included just 15 participants. Of these, nine received doxycycline each day for 14 days, while remaining six participants were involved as a control and took no drugs. As a result, the researchers found a drop in CSCs [Cancer Stem Cells] in nearly all participants who took doxycycline."