in the Study of Anastrozole with the Bisphosphonate Risedronate (SABRE)
and Risedronate’s Effect on Bone in Women with Breast Cancer (ReBBeCa) trials,risedronate demonstrated significantly better maintenance or increases in bone mineral density, vs. placebo(2.5%–2.9% higher than placebo for hip and 1.6%–4.0% higher than placebo for spine)significant improvements in NTX, CTX-I, PINP, and bone AP, indicating a reduction in bone turnover, were also observed.