Combo of cancer therapy drugs boosts mouse lifespan by 30% — human effects still unclear

By: | June 7th, 2025

Image courtesy : Wikimedia Commons

A groundbreaking study from the Max Planck Institute for Biology of Ageing in Germany has revealed that a combination of two existing drugs—rapamycin and trametinib—can increase the lifespan of mice by up to 30%. This discovery has sparked fresh optimism about extending human longevity.

Key Findings

  • Individual Drug Effects: Rapamycin increased mouse lifespan by 15–20%, while trametinib added another 5–10%.

  • Combined Effect: When scientists administered both drugs together, the mice lived approximately 30% longer.
    Health Improvements: The treated mice not only lived longer but also maintained better health as they aged. They showed reduced inflammation, delayed tumor growth, and improved physical strength.

Mechanism of Action

The drugs act on different cellular pathways. Rapamycin inhibits the mTOR pathway, which regulates cell growth and metabolism. Trametinib blocks the MEK pathway, part of a signaling route involved in cell division. Together, they suppress harmful inflammation and slow cancer development

Implications for Human Longevity

While these results are promising, researchers emphasize the need for further testing in humans. Rapamycin, for example, can suppress the immune system and may increase infection risk. However, the study highlights a potential path toward developing therapies that could delay aging and improve health in later life.

Conclusion

By combining rapamycin and trametinib, scientists successfully extended the lifespan of mice by nearly a third. This research lays the foundation for future anti-aging strategies and brings hope that humans might one day benefit from similar interventions.

Nidhi Goyal

Nidhi is a gold medalist Post Graduate in Atmospheric and Oceanic Sciences.

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