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Updated: Jun 24, 2026

Determining Pain Detection and Tolerance Thresholds Using an Integrated, Multi-Modal Pain Task Battery
Published on: April 14, 2016
[Developmental causes in variability of efficacy and toxicity of analgesics in pediatrics]
1Unite d'hémato-oncologie pédiatrique, Département médico-chirurgical de pédiatrie, CHUV, 1011 Lausanne.
Insights
Pain perception and drug response vary significantly between individuals. Understanding developmental changes in drug disposition is crucial for safe and effective pediatric pain management, preventing ineffective or toxic treatments.
Area of Science:
- Pharmacology
- Pediatrics
- Pain Management
Context:
- Individual variability in pain perception and analgesic drug response is a significant clinical challenge.
- Drug disposition (absorption, distribution, metabolism, excretion) undergoes substantial changes during physiological development.
- These developmental pharmacokinetic and pharmacodynamic shifts are not fully elucidated but impact treatment outcomes.
Purpose:
- To highlight the importance of considering developmental changes in drug disposition for pediatric patients.
- To underscore the variability in drug effects and the risks of suboptimal treatment.
- To emphasize the need for individualized approaches in pediatric pharmacotherapy.
Summary:
- Pain perception and response to analgesics differ greatly among individuals.
- Physiological maturation during development alters how the body processes drugs.
- These developmental factors are critical for safe and effective pediatric pain management, requiring careful consideration of age, drug type, disease, and co-administered substances.
Impact:
- Informing clinical practice for safer and more effective pain management in children.
- Reducing risks of adverse drug events and treatment failure in pediatric populations.
- Guiding future research into pediatric drug disposition and personalized pharmacotherapy.
Abstract:
The intensity of pain perception and its sensibility to analgesic drugs is highly variable and unpredictable between individuals. Drug disposition varies during development due to the physiological maturation of enzymatic systems and physiological processes responsible for the absorption, distribution, elimination and effect at the site of action. Many of those developmental variables are not yet clearly defined, but their consideration is important for avoiding potential risks of ineffective or toxic treatment. Implications of those developmental changes for day-to-day clinical practice depend on the age of the child, on the type of drug, on the underlying disease and on the potential co-administration of other chemicals.
Related Concept Videos
Pharmacokinetics in Pediatric Patients: Overview and Drug Absorption
Pharmacokinetics in Pediatric Patients: Drug Metabolism
Drug Toxicity: Risk factors
Pharmacokinetics in Pediatric Patients: Drug Distribution
Pharmacokinetics in Pediatric Patients: Drug Excretion
Factors Affecting Drug Response: Overview