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Bone. 2010 Apr;46(4):1038-42. doi: 10.1016/j.bone.2009.12.006. Epub 2009 Dec 21.

Five years treatment with strontium ranelate reduces vertebral and nonvertebral fractures and increases the number and quality of remaining life-years in women over 80 years of age.

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Austin Health, University of Melbourne, Melbourne, Australia.



Longevity has resulted in a greater proportion of the population entering a time of life when increasing bone fragility and falls predispose to fractures, particularly nonvertebral fractures. Women over 80 years of age constitute 10% of the population but contribute 30% of all fractures and 60% of all nonvertebral fractures. Despite this, few studies have examined antifracture efficacy of treatments in this high-risk group and none has provided evidence for benefits beyond 3 years.


To determine whether strontium ranelate reduces the risk of vertebral and nonvertebral fractures during 5 years, we analyzed a subgroup of 1489 female patients over 80 years of age (mean 83.5+/-3.0 years) with osteoporosis from the SOTI (spinal osteoporosis therapeutic intervention) and TROPOS (treatment of peripheral osteoporosis) studies randomized to strontium ranelate 2 g/d or placebo. All received a supplement of calcium plus vitamin D.


By intention to treat, vertebral fracture risk was reduced by 31% (relative risk, RR=0.69; 95% confidence interval, CI 0.52-0.92), nonvertebral fracture risk by 27% (RR=0.73; 95% CI 0.57-0.95), major nonvertebral fracture risk by 33% (RR=0.67; 95% CI 0.50-0.89) and hip fracture risk by 24% (RR=0.76; 95% CI 0.50-1.15, not significant). Treatment was cost-saving as it decreased cost and increased QALYs and life-years.


Strontium ranelate safely produced a significant reduction in vertebral and nonvertebral fracture risk during 5 years in postmenopausal women over 80 years of age and was cost saving.

[Indexed for MEDLINE]

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