Study
Melatonin May Reduce Delirium in Critically Ill Adults
Research indicates that melatonin supplements can lower the chances of delirium in critically ill patients by 25%.
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Summary
In plain language
Recent research has shown that taking melatonin supplements might help reduce the risk of experiencing delirium if you are critically ill and staying in an intensive care unit (ICU). Delirium is a condition that causes confusion and changes in mental awareness, which can be quite serious for those in critical care. The study found that melatonin supplementation reduced the risk of delirium by 25% compared to those who did not take it. However, it did not significantly shorten the duration of delirium or affect the length of ICU stay or overall survival rates. For seniors, this research suggests that melatonin could be a helpful addition to care plans aimed at preventing delirium during hospital stays.
Details
Use the full description to understand the study design, methods, and the limits of the findings.
This study looked at whether melatonin could reduce delirium in ICU patients, a condition marked by confusion and memory issues, which is common in seniors.
- The study combined results from 22 trials, involving over 3,700 ICU patients, to see if melatonin or similar drugs could lower delirium rates.
- Results showed that melatonin did not significantly lower the incidence of delirium, challenging earlier smaller studies that suggested potential benefits.
- While melatonin is generally safe, seniors should be aware that it may not effectively prevent delirium in critical care settings.
Discuss these findings with your healthcare provider to explore the best strategies for preventing and managing delirium.
Full Study
Open the original publication for the complete methods, outcomes, and source material.
Peer-reviewed publication · Meta-Analysis
Melatonin May Reduce Delirium in Critically Ill Adults
Published January 2026 · DOI 10.3389/fphar.2026.1728873
Opens at the publisher · external site · may require institutional access
Research Quality Score
Assessment
This meta-analysis is methodologically robust, adhering to PRISMA guidelines and employing comprehensive bias assessment tools. It provides a high level of evidence regarding the efficacy of melatonin in preventing ICU delirium, although its direct relevance to seniors is limited by the broader ICU patient population focus.
Category Breakdown
| Category | Score | Rating |
|---|---|---|
| Study Design / Evidence Level | 10.0/10 | |
| Bias & Methods | 10.0/10 | |
| Statistical Integrity | 10.0/10 | |
| Transparency | 10.0/10 | |
| Conflict of Interest Disclosure | 10.0/10 | |
| Replication / External Validation | 10.0/10 | |
| Relevance to Seniors | 5.0/10 | |
| Journal Quality | 10.0/10 |
Additional Notes
The study's findings are valuable for understanding melatonin's role in ICU settings, but further research specifically targeting older adults would enhance its applicability to the senior population.
Treatments Evaluated in This Research
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