The Glucagon-Like Peptide-1 Analog Exenatide Increases Blood Glucose Clearance, Lactate Clearance, and Heart Rate in Comatose Patients After Out-of-Hospital Cardiac Arrest

Objectives: To investigate the effects of the glucagon-like peptide-1 analog exenatide on blood glucose, lactate clearance, and hemodynamic variables in comatose, resuscitated out-of-hospital cardiac arrest patients. Design: Predefined post hoc analyzes from a double-blind, randomized clinical trial. Setting: The ICU of a tertiary heart center. Patients: Consecutive sample of adult, comatose patients undergoing targeted temperature management after out-of-hospital cardiac arrest from a presumed cardiac cause, irrespective of the initial cardiac rhythm. Interventions: Patients were randomized 1:1 to receive 6 hours and 15 minutes of infusion of either 17.4 μg of the glucagon-like peptide-1 analog exenatide (Byetta; Lilly) or placebo within 4 hours from sustained return of spontaneous circulation. The effects of exenatide were examined on the following prespecified covariates within the first 6 hours from study drug initiation: lactate level, blood glucose level, heart rate, mean arterial pressure, and combined dosage of norepinephrine and dopamine. Measurements and Main Results: The population consisted of 106 patients receiving either exenatide or placebo. During the first 6 hours from study drug initiation, the levels of blood glucose and lactate decreased 17% (95% CI, 8.9–25%; p = 0.0004) and 21% (95% CI, 6.0–33%; p = 0.02) faster in patients receiving exenatide versus placebo, respectively. Exenatide increased heart rate by approximately 10 beats per minute compared to placebo (p

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