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The Look AHEAD Trial: Bone Loss at 4-Year Follow-up in Type 2 Diabetes
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Jul 21 2014
Source: Diabetes Care. 2014; 37(10):2822-2829. -
Alternative Title:Diabetes Care
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Description:OBJECTIVE
To determine whether an intensive lifestyle intervention (ILI) designed to sustain weight loss and improve physical fitness in overweight or obese persons with type 2 diabetes was associated with bone loss after 4 years of follow-up.
RESEARCH DESIGN AND METHODS
This randomized controlled trial of intensive weight loss compared an ILI with a diabetes support and education (DSE) group among 1,309 overweight or obese subjects. Bone mineral density was assessed at baseline and after 1 year and 4 years of intervention.
RESULTS
ILI was effective in producing significant weight loss (5.3% vs. 1.8% in ILI and DSE, respectively; P < 0.01) and increased fitness (6.4% vs. −0.8%) at year 4. In men, ILI participants had a greater rate of bone loss during the first year (−1.66% vs. −0.09% per year in ILI and DSE, respectively). Differences between groups were diminished by one-half after 4 years (−0.88% vs. −0.05% per year in ILI and DSE, respectively) but remained significant (P < 0.01). The difference in rate of hip bone loss between groups over 4 years was related to increased weight loss in ILI. Among women, the rate of bone loss did not differ between ILI and DSE after 4 years.
CONCLUSIONS
A 4-year weight loss intervention was significantly associated with a modest increase in bone loss at the hip in men but not in women.
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Pubmed ID:25048381
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Pubmed Central ID:PMC4170123
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