Metformin and Fasting May Protect Kidneys From Cisplatin
A new study in rats shows that both interventions help mitigate kidney damage caused by the common chemotherapy drug.
Updated on Oct. 23, 2026 in Nutrition
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Researchers found that both metformin and intermittent fasting helped improve renal function and reduce oxidative stress in subjects treated with cisplatin. The study highlights potential ways to manage side effects associated with this chemotherapy drug.
Why it matters
Understanding how these interventions modulate mitophagy could lead to new protective strategies against cisplatin-induced kidney injury in patients. The findings offer a path forward for reducing the severity of chemotherapy-related organ damage.
The study utilized 24 adult male rats administered 8 mg/kg of cisplatin. Researchers treated the subjects with 200 mg/kg of metformin for 12 days to monitor its effect on renal markers and gene expression.
The details
The study evaluated renal protection by analyzing mitophagy through markers like LC3 and p62 expression. Both metformin and intermittent fasting were shown to improve functional test results and reduce expression levels of p62.
Timeline
Cisplatin was administered to the rat subjects on day eight.
Metformin was administered orally for a total duration of 12 days.
The Big Picture
This research follows the pattern set by cisplatin-induced nephrotoxicity protocols by seeking new protective pathways for managing drug-related injury. It contributes to the evolving understanding of how metabolic interventions can influence cellular repair mechanisms during chemotherapy.
These findings explore how lifestyle and pharmacological interventions might eventually reduce the risk of kidney-related side effects in cancer treatment. Patients should consult their oncologist regarding any dietary changes or supplements during chemotherapy.
The takeaway
Metformin and intermittent fasting show promise as tools for mitigating organ damage during chemotherapy treatment. These findings provide a scientific basis for future clinical investigations into supportive care strategies for cancer patients.
Further reading
For more information on the impact of dietary habits, explore our latest Nutrition updates.
More information
Read the full results in the published peer-reviewed research article.
Source note: This article includes information reported by Nature.
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