According to the results of our present study it seems that N. sativa may have some beneficial therapeutic effects in the treatment of hyperlipidemia. However, further investigations with a larger sample size are necessary.

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To our knowledge, the current study is the first that investigates whether standard doses of amikacin may lead to sufficient alveolar concentration of the drug. The results show that administration of amikacin in doses of 20 mg/kg in critically ill patients with VAP may not provide sufficient concentrations in ELF.

Background: Intracranial hemorrhage (ICH) is a devastating condition with a high mortality and morbidity rate. Neuroprotective agents protect surrounding brain tissue from the toxic effects of hematoma and can result in better outcomes. There is evidence demonstrating the neuroprotective benefits of melatonin in experimental animal models of ICH. Reduced melatonin levels have been reported in the intensive care unit (ICU) patients. The aim of this study was to evaluate baseline melatonin levels and pharmacokinetic profile of melatonin in ICH patients. Methods: This was a randomized clinical trial in which 24 patients with non-traumatic ICH were divided into melatonin and control groups. Subjects in the melatonin group received 30 mg of melatonin for 5 days. Another group of 12 healthy volunteers also were recruited for the study. Baseline serum melatonin levels were measured for all groups. For the pharmacokinetic study, sampling intervals were 0.25, 0.5, 0.75, 1.5, 3, 6 and 10 hours after melatonin administration. Samples were analyzed using an HPLC system with fluorescence detection. Results: Serum melatonin concentrations found to be decreased in all patients. Patients showed a significant increase in levels by the third day but still lower than healthy volunteers. By day 5, the melatonin group reaches melatonin levels, statistically similar to healthy volunteers, but the control group didn't reach normal levels even on the seventh day of study. Conclusion: Our study suggests that monitoring melatonin levels and supplementing with exogenous melatonin can correct the reduced levels. Further studies focused on melatonin administration in ICH patients can be helpful in evaluating clinical outcomes in these patients. J Pharm Care 2020; 8(1): 3-10.

Objective:Although mechanical ventilation is frequently a life-saving therapy, its use can result in unwanted side effects. It has been well documented that the choice of sedating agent may influence the duration of mechanical ventilation. Melatonin is a sedative and analgesic agent without any respiratory depressant effect which makes it an attractive adjuvant for sedation in the intubated patients. The aim of this study is to evaluate the effect of melatonin on the duration of mechanical ventilation in patients with hemorrhagic stroke.Methods:Forty adult intubated patients with hemorrhagic stroke, who were admitted to the Intensive Care Unit (ICU) within 24 h of onset, were enrolled in this randomized double-blind study. Subjects in the melatonin group received 30 mg of melatonin every night throughout the nasogastric tube. Length of ICU stay, mortality, and duration of mechanical ventilation were recorded for all patients.Findings:The duration of mechanical ventilation and length of ICU stay were shorter in patients who received melatonin in comparison with the control group, and this difference was statistically significant for the length of ICU stay and marginally significant for the duration of mechanical ventilation. Although not statistically significant, the mortality rate of the control group was 30%, almost double that of the study group (15%).Conclusion:Melatonin possesses hypnotic, analgesic, anti-inflammatory, and anti-oxidative properties that distinguish it as an attractive adjuvant in patients under mechanical ventilation. In conclusion, the administration of melatonin may facilitate the weaning process through decreasing the consumption of sedatives with respiratory depressant properties as well as preventing ventilator-associated lung injury.