Melatonin and mitochondrial protection in cardiac ischemia–reperfusion injury: mechanisms, evidence and translational perspectives - Summary - MDSpire

Melatonin and mitochondrial protection in cardiac ischemia–reperfusion injury: mechanisms, evidence and translational perspectives

  • By

  • Gaia Pedriali

  • Sara Leo

  • Margherita Tiezzi

  • Elena Nicoletta Colarusso

  • Giampaolo Morciano

  • Elena Tremoli

  • Paolo Pinton

  • February 24, 2026

  • 0 min

Share

Objective:

To explore the protective role of melatonin on mitochondria during cardiac ischemia-reperfusion injury (IRI) and its clinical implications, emphasizing the potential impact on patient outcomes.

Key Findings:
  • Melatonin protects mitochondria by scavenging ROS and enhancing ATP production, which is crucial for cardiac function.
  • Preclinical studies indicate significant cardioprotection from melatonin, but clinical trials show neutral outcomes, highlighting the need for better-designed studies.
  • Mitochondrial dysfunction and oxidative stress are critical in exacerbating myocardial injury during IRI, necessitating targeted therapeutic approaches.
Interpretation:

While melatonin shows promise in preclinical settings for mitigating cardiac IRI, its efficacy in clinical trials remains unproven, indicating a need for further research to bridge this gap and improve patient outcomes.

Limitations:
  • Discrepancies between preclinical and clinical findings may stem from differences in study designs and animal models, suggesting a need for standardized protocols.
  • Limited clinical trials have been conducted to validate the cardioprotective effects of melatonin, indicating a gap in clinical research that needs to be addressed.
Conclusion:

Melatonin has potential as a therapeutic agent for cardiac IRI, but further studies are necessary to confirm its clinical efficacy and understand the underlying mechanisms, which could significantly impact treatment strategies.

Original Source(s)

Related Content