Read the methadone Results-at-a-Glance summary.
Nearly 20% of children in the United States are classified as obese. These children receive medicines more often than children without obesity, and the doses of medicines they receive are often based on body weight. How obesity impacts the way children process medications was not well understood. The “Use of Physiologically-based Pharmacokinetic Modeling to Inform Dosing of the Opioid Analgesics Fentanyl and Methadone in Children with Obesity” study was conducted to learn how children’s age, obesity status, and genes impact the way their bodies process methadone and fentanyl.