9 December, 2025
fish-oil-supplement-reduces-cardiovascular-risks-in-dialysis-patients

A groundbreaking international clinical trial has revealed that a daily fish oil supplement can significantly reduce serious cardiovascular events in individuals undergoing dialysis for kidney failure. The study, co-led in Australia by Monash Health and the School of Clinical Sciences at Monash University, highlights the potential of fish oil in managing cardiovascular risks associated with dialysis.

Participants in the trial who received four grams of fish oil daily, containing the active ingredients EPA (eicosapentaenoic acid) and DHA (docosahexaenoic acid), experienced a 43 percent reduction in serious cardiovascular events compared to those in the placebo group. These events included heart attacks, strokes, cardiac deaths, and vascular-related amputations.

Significant Findings in Cardiovascular Health

Adjunct Professor Kevan Polkinghorne, a nephrologist at Monash Health and an adjunct in the School of Clinical Sciences, led the Australian arm of the trial. He emphasized the importance of these findings, noting the high cardiovascular risk faced by dialysis patients and the limited therapies available to mitigate this risk.

“Patients on dialysis have extremely high cardiovascular risk, and very few therapies have been shown to reduce that risk,” Professor Polkinghorne stated. “In a field where many trials have been negative, this is a significant finding.”

Professor Polkinghorne further explained that dialysis patients typically have lower levels of EPA and DHA compared to the general population, which may account for the observed benefits of the supplement in this group. However, he cautioned that the findings are specific to individuals receiving haemodialysis for kidney failure and should not be generalized to healthy individuals or other patient groups.

International Collaboration and Support

The Australian segment of the trial was supported by the National Health and Medical Research Council (NHMRC), with central trial coordination provided by the Australasian Kidney Trials Network (AKTN). Approximately 200 Australian participants contributed to the study, including 44 treated at Monash Health. This collaborative effort underscores the global interest in improving outcomes for dialysis patients.

International leadership for the trial, known as PISCES, was provided by Professor Charmaine Lok and her colleagues at the University Health Network in Toronto and the University of Calgary. Their involvement highlights the international scope and significance of the research.

Implications for Future Treatment

The findings from this study could have far-reaching implications for the treatment of cardiovascular risks in dialysis patients. The use of fish oil supplements as a therapeutic option may offer a new avenue for reducing the high incidence of cardiovascular events in this vulnerable population.

As the medical community continues to explore the benefits of fish oil, further research may be warranted to understand its potential applications in other patient groups. The promising results of this trial could pave the way for additional studies and potentially lead to new guidelines for managing cardiovascular health in dialysis patients.

In conclusion, the trial’s findings present a hopeful prospect for improving the quality of life and health outcomes for individuals undergoing dialysis. As researchers continue to delve into the nuances of cardiovascular health, the role of fish oil supplements could become a pivotal component in the broader strategy to combat cardiovascular disease.