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Title: Longitudinal effect of tiludronate on bone-mineral density, resonant-frequency, and strength in monkeys
Authors: Geusens, P
Nijs, J
Van der Perre, Georges
Van Audekercke, Remy
Lowet, G
Goovaerts, S
Barbier, A
Lacheretz, F
Remandet, B
Jiang, Y
Dequeker, Jan #
Issue Date: Jun-1992
Publisher: Blackwell science inc
Series Title: Journal of Bone and Mineral Research vol:7 issue:6 pages:599-609
Abstract: The effect of Tiludronate on bone was studied in 72 growing monkeys (Papio papio), 36 males and 36 females, aged 4-7 years. They were randomly allocated into four groups (18 animals per group, 9 males and 9 females): group I, controls; group II, 10 mg/kg/day; group III, 20 mg/kg/day; and group IV, 40 mg/kg/day of Tiludronate. A total of 12 animals (6 males and 6 females) in each group were sacrificed at the end of treatment (1 year) and 6 animals (3 males and 3 females) per group 1 year later. Bone mineral density (BMD) was measured by dual-photon absorptiometry. Biomechanical properties were evaluated by an impact torsion test and by resonant frequency analysis. Bone mineral measurements indicated that at the end of 1 year of treatment BMD was significantly higher, especially at the distal epiphysis of the radius, than in controls. No significant differences between groups were found in BMD 1 year after stopping treatment. Biomechanical analyses indicated that torsional stiffness increased after treatment. No differences between groups were found 1 year after stopping treatment. Results of resonant frequencies indicated an increased calculated transversal stiffness after treatment and 1 year later and an increased buckling strength 1 year after stopping treatment. In conclusion, the results on the effect of Tiludronate in growing monkeys indicate a profound effect of this drug on bone density and biomechanical properties. The biomechanical results indicate that this drug is safe, with conservation of bone strength despite a change in intrinsic mechanical properties of the bone.
ISSN: 0884-0431
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Biomechanics Section
Faculty of Medicine - miscellaneous
# (joint) last author

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