What is the effect of calcium channel blockers on breast cancer risk?

Updated: Dec 16, 2019
  • Author: Jessica Katz, MD, PhD, FACP; Chief Editor: Marie Catherine Lee, MD, FACS  more...
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Several studies had previously shown a correlation between use of calcium channel blockers and breast cancer incidence. [38, 39, 40] More powerful data, however, has emerged recently, showing that calcium channel blockers do not increase the risk of breast cancer. [41] Given that the newer data is derived from a larger study, current evidence does not implicate calcium channel blockers as a significant risk factor.

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