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Updated: Jun 21, 2025

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Published on: June 11, 2012
Effect of fixed-ratio insulin combinations on adherence in type 2 diabetes: Systematic review
Mohamed Elamin1, Maxwell S Barnish2
1University of Exeter Medical School, Exeter, UK.
Aims:
To systematically review evidence on the effect of fixed-ratio combinations on adherence in people with type 2 diabetes.
Methods:
Systematic searches were conducted using MEDLINE and EMBASE in March 2023. Standardised screening, data extraction and risk of bias assessment were conducted. All review procedures were conducted independently by two reviewers. Eligible studies assessed the effect of fixed-ratio combinations on adherence in people with type 2 diabetes. Narrative synthesis was conducted to analyse findings.
Results:
A total of 488 records were identified, of which 37 proceeded to full-text screening and 7 - each representing a unique study - were included in the systematic review. Among the included studies, 3 were randomised controlled trials and 4 were cohort studies. Following narrative synthesis, it was shown that fixed-ratio combinations improved patient satisfaction and treatment adherence.
Conclusions:
Available evidence supports a benefit for fixed-ratio combinations on patient satisfaction and treatment adherence in people with type 2 diabetes.
Insights
Fixed-ratio combination therapies improve patient satisfaction and treatment adherence in type 2 diabetes management. This systematic review confirms their benefit for individuals with type 2 diabetes.
Area of Science:
- Endocrinology and Metabolism
- Pharmacology
Background:
- Type 2 diabetes requires effective management strategies to improve patient outcomes.
- Adherence to treatment regimens is crucial for managing type 2 diabetes.
- Fixed-ratio combinations offer a simplified approach to medication management.
Approach:
- Systematic literature searches were performed in MEDLINE and EMBASE.
- Seven unique studies, including randomized controlled trials and cohort studies, were included.
- Narrative synthesis was employed to analyze the data.
Key Points:
- Fixed-ratio combinations were evaluated for their impact on adherence in type 2 diabetes.
- Patient satisfaction was a key outcome measure.
- Treatment adherence showed improvement with fixed-ratio combination therapies.
Conclusions:
- Evidence supports the efficacy of fixed-ratio combinations in enhancing patient satisfaction.
- Fixed-ratio combinations positively influence treatment adherence in type 2 diabetes.
- These findings suggest fixed-ratio combinations as a beneficial therapeutic option.
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