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Medicina (Buenos Aires)

Print version ISSN 0025-7680On-line version ISSN 1669-9106


SARLI, Marcelo A.; HABIB, Carolina  and  ZANCHETTA, María Belén. Which is the best antiresorptive treatment after finishing teriparatide?. Medicina (B. Aires) [online]. 2021, vol.81, n.5, pp.749-753. ISSN 0025-7680.

Anabolic drugs are the treatment of choice for osteoporotic patients with very high risk of fractures. Post anabolic treatment with an antiresorptive drug maintains the bone mineral density (BMD) gained. The recommendations regarding the ideal antiresorptive drug are not precise. The aim of this paper is to compare the usefulness of zoledronate and denosumab in a group of 28 women with very high risk of fractures. All of them completed at least one year of treatment with teripatide and latter 14 received zolendronate and 14 denosumab for another year. We retrospectively review their biochemical and densitometric changes. Both treat ment groups experienced a reduction in bone turnover markers of the same magnitude at the end of the second year. In Lumbar Spine BMD increase of 3.96 ± 8.56% Median (Me) 2.54 p = 0.21 in zolendronate group and 3.55 ± 5.36% (Me 5.14) p = 0.07 in denosumab group. Femoral Neck BMD changed -0.09 ± 6.50% (Me 0.29) p = 0.85 in zolendronate group, and - 3.41 ± 5.08% (Me 5.35) p = 0.59 in denosumab group, with no difference between both groups. In Total Hip BMD an increase of 0.55 ± 4.20% (Me 0.43) p = 0.70 in zoledronate group, and 4.53 ± 5.13% (Me 0.64) p = 0.04 with denosumab. We conclude that both antiresortive treatments have a similar effect in biochemical markers after one year of treatment. BMD increase significantly in total hip and changed with a trend toward in lumbar spine with denosumab, but without differences between both groups of treatment.

Keywords : Post teriparatide treatment; Sequential osteoporosis treatment; Very high risk of fracture.

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