Vitamin D and conjugated equine estrogen

Objective: To analyze vitamin D3 plasma concentrations among monkeys randomized to oral conjugated equine estrogen (CEE) versus control and the association with coronary artery atherosclerosis (CAA). Methods: Surgically postmenopausal monkeys (N = 50) were fed an atherogenic diet containing a woman's equivalent of 1000 IU/day of vitamin D3. The monkeys were randomized at baseline to receive CEE (equivalent of 0.45 mg/d, n = 25) or placebo (n =...