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A Randomized, Double-blind, Controlled, Multi-site Study of the Pharmacokinetics and Pharmacodynamics of Methadone vs. Morphine During Mechanical Ventilation Following Cardiac Surgery in Neonates, Infants and Children

Study Population: Neonates, infants and children from birth to 5 years of age undergoing cardiac surgery with CPB. The use of methadone to provide analgesia may be increasing due to advantages compared to other commonly used opioid analgesic drugs. While efficacy of methadone has been reported in adults, there is a paucity of information in neonates and infants. In the latter population, fentanyl and morphine are most commonly used for opioid analgesia following major surgery, while methadone is frequently used for weaning of opioid dependent and tolerant patients, in spite of the paucity of knowledge of methadone pharmacology in this population. There are several clinical problems associated with fentanyl and morphine, and methadone may offer superior efficacy with fewer side effects than these agents. We propose to study the pharmacokinetics (PK) and pharmacodynamics (PD) of methadone in neonates and infants in the intensive care unit following cardiac surgery.

Stanford is not currently accepting new patients for this trial. You may want to check to see if other locations are recruiting.



  • drug : Morphine
  • drug : Methadone

Phase: Phase 1/Phase 2


Ages Eligible For Study:

N/A - 5 Years

Inclusion Criteria

Neonates, infants and children from birth through 5 years of age undergoing mechanical ventilation following cardiac surgery for congenital heart disease. Congenital heart lesions include "two ventricle repairs", including tetralogy of Fallot, transposition of the great arteries, "unobstructed" total anomalous pulmonary venous return, truncus arteriosus, atrioventricular canal defect and ventricular septal defect.

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Contact information

Stanford University
School of Medicine
300 Pasteur Drive
Stanford, CA 94305
Gregory Hammer
Not Recruiting

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