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Published on: January 17, 2011
Aspects of pharmacokinetics and pharmacodynamics of sufentanil in pediatric practice
Stefan Lundeberg1, James A Roelofse
1Department of Pediatric Anesthesia and Intensive Care, Pain Treatment Service, Astrid Lindgren Children's Hospital, Stockholm, Sweden. stefan.lundeberg@karolinska.se
Insights
Sufentanil provides stable hemodynamics in pediatric patients. However, its pharmacokinetics, particularly clearance maturation and the impact of age on drug activity, require further investigation in children.
Area of Science:
- Anesthesiology
- Pharmacology
- Pediatric Critical Care
Background:
- Sufentanil is a potent synthetic opioid used in pediatric anesthesia.
- It establishes a stable hemodynamic profile, especially in compromised pediatric patients.
- Opioid pharmacokinetics, including clearance and active fraction, vary significantly with age in children.
Purpose of the Study:
- To review the pharmacokinetics and pharmacodynamics of sufentanil in pediatric populations.
- To highlight the influence of age-related physiological changes on sufentanil metabolism and distribution.
- To discuss the potential of intranasal sufentanil for pediatric procedural care.
Main Methods:
- Literature review of studies on sufentanil pharmacokinetics and pharmacodynamics in children.
- Analysis of age-dependent factors affecting drug clearance and protein binding.
- Evaluation of intranasal sufentanil administration data.
Main Results:
- Sufentanil clearance per kilogram is higher in children than adults.
- The primary metabolic pathway involves the P450 CYP3A4 enzyme, with reduced activity in neonates.
- Age impacts the free active fraction due to variations in alpha-1-acid glycoprotein levels.
Conclusions:
- Intranasal sufentanil is a safe and effective option for pediatric premedication, sedation, and analgesia.
- Further research is needed on the pharmacokinetics and pharmacodynamics of sufentanil infusions in children.
- Understanding age-related pharmacokinetic maturation is crucial for optimizing pediatric sufentanil use.
Abstract:
Sufentanil is a potent synthetic opioid. Like other opioids, sufentanil creates a stable hemodynamic environment in cardiovascularly compromised pediatric patients. Clearance, expressed as per kilogram, is increased in children compared to adults. The P450 CYP3A4 enzyme is responsible for the major metabolic N-dealkylation pathway. Enzyme activity is reduced in neonates but the maturation of sufentanil clearance is not described. The free active fraction is affected by age because of the reduced α(1) -acid glycoprotein plasma concentrations in neonates. Intranasal administration of sufentanil is a possible option for premedication, procedural sedation and analgesia in children, as this option has been found to be safe and effective. Studies concerning the pharmacokinetics and dynamics of sufentanil administered as a bolus or continuous infusion in children are few.
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