Abstract
Purpose of Review
Recently, the American Diabetes Association updated the 2024 guidelines for Standards of Care in Diabetes and recommend that a T-score of − 2.0 in patients with diabetes should be interpreted as equivalent to − 2.5 in people without diabetes. We aimed to evaluate the most recent findings concerning the bone mineral density (BMD)-derived T-score and risk of fractures related to osteoporosis in subjects with diabetes.
Recent Findings
The dual-energy X-ray absorptiometry (DXA) scan is the golden standard for evaluating BMD. The BMD-derived T-score is central to fracture prediction and signifies both diagnosis and treatment for osteoporosis. However, the increased fracture risk in diabetes is not sufficiently explained by the T-score, complicating the identification and management of fracture risk in these patients.
Summary
Recent findings agree that subjects with type 2 diabetes (T2D) have a higher T-score and higher fracture risk compared with subjects without diabetes. However, the actual number of studies evaluating the direct association of higher fracture risk at higher T-score levels is scant. Some studies support the adjustment based on the 0.5 BMD T-score difference between subjects with T2D and subjects without diabetes. However, further data from longitudinal studies is warranted to validate if the T-score treatment threshold necessitates modification to prevent fractures in subjects with diabetes.
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Data Availability
The evidence in this systematic literature study is based on already published data and is summarized in Table 1.
References
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Funding
During the conduct of the study, Dr. Viggers and Dr. Brandt received grants from Novo Nordisk Foundation, Denmark (grants no. NNF18OC0052064 and no. NNF20OC0065960, respectively).
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I.B. and R.V. performed the initial search and (independently) evaluated results for eligibility J.S-L. was consulted in cases of doubt. The manuscript was written in collaboration between I.B., R.V and J.S-L. and critically revised by S.A. Supplemental material was set up by I.B. and calculations were performed by I.B.
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Dr. Viggers holds shares in Novo Nordisk. During the conduct of the study, Dr. Starup-Linde presented for UCB Nordic A/S. Apart from this, the authors have no conflict of interest to declare.
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No clinical trials or animal studies were set up in relation to the conduct of this review. The included studies were conducted in accordance with the Helsinki Declaration and national or local ethics committee’s standards.
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Brandt, I.A.G., Starup-Linde, J., Andersen, S.S. et al. Diagnosing Osteoporosis in Diabetes—A Systematic Review on BMD and Fractures. Curr Osteoporos Rep (2024). https://doi.org/10.1007/s11914-024-00867-1
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DOI: https://doi.org/10.1007/s11914-024-00867-1