Observational studyCardiovascular diabetology2025
Fixed-dose vs loose-dose combination antidiabetic therapy and cardiorenal outcomes in type 2 diabetes: a nationwide comparative effectiveness study.
Observational study in Cardiovascular diabetology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
2 citing papers in PubMed.
- Prognostic impact of metformin in diabetic patients undergoing a percutaneous coronary intervention (PCI): protective effect is modified by procedural complexity.Cardiovascular diabetology · 2026 · on this mapObservational
- Reshaping the cardiovascular continuum in the management of arterial and venous cardiovascular disease: a narrative review.Journal of comparative effectiveness research · 2026Review
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundCombination therapy is gaining attention in type 2 diabetes management due to its potential to reach glycaemic goals within a shorter period. However, the long-term comparative cardiorenal effectiveness of fixed- versus loose-dose combinations remains unclear. This study aimed to assess whether oral antidiabetic fixed-dose combination (FDC) therapy is associated with improved cardiorenal outcomes in adults with type 2 diabetes compared with loose-dose combination (LDC) therapy. A secondary objective was to evaluate the mediating role of medication adherence in these associations.
methodsThis population-based, new-user, active-comparator cohort study used Swedish national registers. Propensity score matching without replacement was applied. Study outcomes included acute myocardial infarction, atrial fibrillation, unstable angina, heart failure, ischaemic stroke, and eGFR < 30 ml/min/1.73m
resultsThe median follow-up time was 4.0 years for cardiovascular outcomes and 3.8 years for kidney outcomes. In the matched cohort (mean age 62 years; 67% male), FDC users had higher treatment adherence (68.6 vs. 46.5%). FDC was associated with a lower rate of heart failure (HR = 0.88; 95% CI 0.79, 0.99), with adherence mediating 47% of this association. In people aged ≥ 65 years, FDC was associated with a lower rate of heart failure (HR = 0.79; 95% CI 0.69, 0.91). The observed association was attenuated with further matching for diabetes duration or when drugs were matched at the ATC code level. No associations between FDC use and other outcomes were identified.
conclusionsFDC therapy in people with type 2 diabetes was associated with a lower rate of heart failure, particularly in older adults. Higher medication adherence appeared to mediate nearly half of this association.
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