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Study aim
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Determination of the effects of Calcitriol on inflammation and ischemia-reperfusion injury following PCI
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Design
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This is a randomized parallel, single-blinded, trial which was performed on 72 patients who were candidated for percutaneous coronary intervention (PCI) interventions and were eligible for inclusion in the study.
After obtaining written consent, the patients were randomly assigned to two groups of the intervention and the control group.
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Settings and conduct
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This study was conducted in Shahid Modarres Hospital of Shahid Beheshti University of Medical Sciences.
After obtaining written consent, the patients were randomly assigned into two groups of calcitriol and the control group.
To evaluate the efficacy of calcitriol, sampling was performed from all patients at baseline and 24 hours after performing PCI.
In order to do blindness, the main investigator, those who evaluate the outcome, and the data analyst did not know the allocation of the groups until the end of the study.
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Participants/Inclusion and exclusion criteria
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Inclusion criteria: all individuals over the age of 18 years old who referred to Shahid Modarres Educational Hospital of Shahid Beheshti University of Medical Sciences for elective PCI; Exclusion criteria: serum creatinine level greater than 2 mg/dL, active metabolic bone disease, severe liver disease, receiving anti-inflammatory drugs (except aspirin and statin), vitamin D supplementation consumption, patients with ejection fraction less than 30%
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Intervention groups
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In the intervention group, in addition to the center protocol, the patients were administered 3 μg injectable calcitriol before PCI. In the control group, no additional drugs to the protocol were prescribed.
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Main outcome variables
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Evaluation of the relationship between injectable calcitriol administration and the level of inflammatory biomarkers