ArticleDiabetes, obesity & metabolism2026
Absence of Interaction Between 5α-Reductase Inhibitors and Glucocorticoids on Incidence of Myocardial Infarction in People With Type 2 Diabetes.
Article in Diabetes, obesity & metabolism, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed.
- Absence of Interaction Between 5α-Reductase Inhibitors and Glucocorticoids on Incidence of Myocardial Infarction in People With Type 2 Diabetes.Diabetes, obesity & metabolism · 2026Article
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8 authors.
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Abstract
aimsPeople with Type 2 diabetes experience higher cardiometabolic risk, and both synthetic glucocorticoids and use of 5α-reductase inhibitors have been individually linked to increased risk of myocardial infarction. We tested whether the increase in risk is exacerbated by co-prescription of both drugs. MATERIALS AND
methodsWe performed a population-based cohort study in the Scottish Diabetes Research Network-National Diabetes Dataset (SDRN-NDS) and IQVIA Medical Research Data-UK (IMRD-UK). Patients with Type 2 diabetes aged ≥ 40 years receiving 5α-reductase inhibitors or tamsulosin, who were incident users of systemic glucocorticoids during 2006-2021 were included. We modelled the joint effect of 5α-reductase inhibitors and cumulative exposure to glucocorticoids on the risk of myocardial infarction using a time-varying Cox proportional hazards model.
resultsA total of 13 161 patients with Type 2 diabetes were included in SDRN-NDS and 15 084 in IMRD-UK. Mean age was 71.4 ± 9.6 and 72.3 ± 9.4 years, with mean follow-up of 4.7 (3.6) and 5.6 (4.0) years, respectively. Median (IQR) total glucocorticoids exposure was 210 (96-630) and 420 (200-1240) prednisolone-equivalent milligram. Risk for myocardial infarction was increased among users of 5α-reductase inhibitors (HR [95% CI]: SDRN-NDS, 1.21 [1.02-1.43]; IMRD-UK, 1.27 [1.02-1.59]) and per SD increase in cumulative glucocorticoid exposure (HR [95% CI]: SDRN-NDS, 1.09 [1.03-1.14]; IMRD-UK, 1.08 [1.01-1.15]). We did not observe a multiplicative interaction (SDRN-NDS, p = 0.44; IMRD-UK, p = 0.68) between the use of the two drugs.
conclusionPeople with Type 2 diabetes exposed to 5α-reductase inhibitors or glucocorticoids are at an increased risk of myocardial infarction, although a multiplicative interaction between the use of the two drugs was not found.
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