Melatonin supplementation improves blood sugar but not ICU complications in critically-ill: Study
Iran: Melatonin supplementation positively affects blood sugar and also insulin resistance (IR) to some extent in critically-ill patients, however, it does not improve ICU complications, reveals a recent study. The study appears in the Caspian Journal of Internal Medicine.In critically ill patients, hyperglycemia is shown to be associated with increased mortality and morbidity. Currently,...
Iran: Melatonin supplementation positively affects blood sugar and also insulin resistance (IR) to some extent in critically-ill patients, however, it does not improve ICU complications, reveals a recent study. The study appears in the Caspian Journal of Internal Medicine.
In critically ill patients, hyperglycemia is shown to be associated with increased mortality and morbidity. Currently, there is no evidence that melatonin could improve stress-induced hyperglycemia (SIH). In the study, Fahimeh Naderi-Behdani, Department of Clinical Pharmacy, Faculty of Pharmacy, Mazandaran University of Medical Sciences, Sari, Iran, and colleagues, therefore aimed to evaluate the effect of melatonin on blood sugar and insulin resistance in critically ill patients.
For this purpose, 104 critically-ill patients with SIH received either melatonin (6 mg BD for 3 days) or a placebo. The researchers evaluated changes in blood sugar, IR indices including homeostasis model assessment for insulin resistance and homeostasis model assessment adiponectin (HOMA-AD) ratios, Glasgow coma scale (GCS) on the 4th day of melatonin prescription. Changes in ventilator dependency and delirium were considered on the 7th day of study. They also compared mortality and intensive care unit (ICU) stay between groups.
Salient findings of the study were as follows:
- On day 4, patients in the melatonin group had significantly lower blood glucose and HMOA-IR level compared with the placebo group whereas the HOMA-AD level did not differ significantly from the placebo group.
- There was no significant difference in GCS level at this time between groups.
- On day 7, melatonin could not improve ventilator dependency and delirium significantly and also could not reduce mortality and ICU stay in comparison with placebo.
To conclude, 12 mg melatonin, oral daily for 3 days improved fasting blood sugar (FBS) and somehow insulin resistance in critically ill patients with SIH, though it could not significantly improve ICU complications.
Reference:
Naderi-Behdani F, Heydari F, Ala S, Moradi S, Abediankenari S, Asgarirad H et al . Effect of melatonin on stress-induced hyperglycemia and insulin resistance in critically-ill patients: A randomized double-blind, placebo-controlled clinical trial. Caspian J Intern Med. 2022; 13 (1) :51-60; http://caspjim.com/article-1-2628-en.html
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