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Updated: May 24, 2026

Differential Effects of Lipid-lowering Drugs in Modulating Morphology of Cholesterol Particles
Published on: November 10, 2017
The role and impact of research agendas on the comparative-effectiveness research among antihyperlipidemics
A G Dunn1, F T Bourgeois, S Murthy
1Centre for Health Informatics, Australian Institute of Health Innovation, University of New South Wales, Sydney, New South Wales, Australia. a.dunn@unsw.edu.au
Abstract:
Although it is well established that funding source influences the publication of clinical trials, relatively little is known about how funding influences trial design. We examined a public trial registry to determine how funding source shapes trial design among trials involving antihyperlipidemics. We used an automated process to identify and analyze 809 trials from a set of 72,564. Three networks representing industry-, collaboratively, and non-industry-funded trials were constructed. Each network comprised 18 drugs as nodes connected according to the number of comparisons made between them. The results indicated that industry-funded trials were more likely to compare across drugs and examine dyslipidemia as a condition, and less likely to register safety outcomes. The source of funding for clinical trials had a measurable effect on trial design, which helps quantify differences in research agendas. Improved monitoring of current clinical trials may be used to more closely align research agendas to clinical needs.
Insights
Funding source significantly impacts clinical trial design. Industry-funded trials focus on drug comparisons and dyslipidemia, with fewer safety outcomes, revealing distinct research agendas.
Area of Science:
- Clinical Trials
- Health Services Research
- Pharmacoeconomics
Background:
- Funding source is known to affect clinical trial publication rates.
- Limited understanding exists regarding how funding influences clinical trial design.
- Antihyperlipidemic drug trials provide a relevant case study for examining funding impacts.
Purpose of the Study:
- To investigate the influence of funding source on the design of clinical trials for antihyperlipidemic drugs.
- To quantify differences in research agendas based on trial funding.
- To identify potential areas for improving clinical trial alignment with patient needs.
Main Methods:
- Analysis of 809 antihyperlipidemic clinical trials identified from a public registry of 72,564 trials.
- Automated process used for trial identification and data extraction.
- Construction of three distinct networks representing industry-, collaboratively, and non-industry-funded trials, with drugs as nodes and comparisons as connections.
Main Results:
- Industry-funded trials demonstrated a higher likelihood of comparing different drugs within the antihyperlipidemic class.
- Industry-funded trials were more focused on examining dyslipidemia as a condition.
- A lower proportion of industry-funded trials registered safety outcomes compared to other funding sources.
Conclusions:
- The source of funding measurably affects clinical trial design, highlighting variations in research priorities.
- Understanding these funding-driven differences is crucial for interpreting trial results and assessing research agendas.
- Enhanced monitoring of clinical trials could help ensure research aligns more closely with critical clinical needs.
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