To study the effects of ubiquinol as a "metabolic resuscitator" in post-cardiac arrest.
Cardiac arrest (CA) occurs in more than 400,000 patients in the United States each year with an estimated mortality of greater than 90%. The majority of patients who are resuscitated from CA will succumb to the neurologic morbidity associated with the post-CA syndrome and ischemic-reperfusion injury. Currently, there are no pharmacologic agents known to offer survival benefit or to prevent devastating neurologic injury in post-CA patients. A potential therapeutic target following ischemia-reperfusion injury is mitochondrial function in the injured cell and/or reduction of oxygen free radicals. Coenzyme Q10 (CoQ10) is an essential mitochondrial co-factor and free radical scavenger that has been proposed as a neuroprotective agent in various neurodegenerative disorders as well as a cardioprotective agent. CoQ10 have furthermore shown exciting preliminary results as a potential therapy in post-CA. In order to test the effects of ubiquinol as a "metabolic resuscitator" in post-CA patients and to provide additional preliminary data for a large-scale clinical trial, the investigators are conducting a randomized, double-blind, place-controlled trial of ubiquinol in post-CA patients.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
OTHER
Masking
QUADRUPLE
Enrollment
48
Beth Israel Deaconess Medical Center
Boston, Massachusetts, United States
Coenzyme Q10 Plasma Levels
Total (oxidized and reduced form) coenzyme Q10
Time frame: Up to 72 hours
Decreased Neurological Injury
Neuron Specific Enolase levels
Time frame: Up to 72 hours
Cellular Oxygen Consumption
Cellular (peripheral blood mononuclear cells) oxygen consumption measured with the XFe24 Extracellular Flux Analyzer
Time frame: At 24 hours
Global Oxygen Consumption
VO2 measured using a Compact Anesthesia monitor
Time frame: Up to 48 hours
Mortality
In-hospital mortality
Time frame: At hospital discharge, an average of 14 days
Number of Participants With Favorable Neurological Outcome
Favorable Neurological Outcome as measured by the Cerebral Performance Category (CPC 1-2) score. A CPC score of 1 (mild or no neurological deficit) or 2 (moderate disability) was defined as a favorable neurological outcome. A CPC score of 3 (severe disability), 4 (vegetative state), or 5 (death) was defined as an unfavourable neurological outcome.
Time frame: At hospital discharge, an average of 14 days
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