The purpose of this study is to compare the use of short acting opioids (fentanyl/hydromorphone) with long acting opioids (methadone) for pain control following tonsillectomy surgery in children and adolescents.
This is a randomized, double-blind, parallel-group, dose-escalation investigation. Participants ("children" defined as ages 3 - \< 12 years and "adolescents" defined as ages 12 - 17 years) will be randomized 2:1 to either methadone or short-acting opioid. Surgical and anesthesia care, except for intraoperative opioid management, are not altered for study purposes. The trial will include 2 periods in 3 parallel age groups. In the first period, each age cohort will recruit 66 patients (44 methadone, 22 control). Children will be randomized to methadone 0.15 mg/kg age-ideal body weight and adolescents to 0.2 mg/kg age-ideal body weight. When an age cohort reaches 66 patients, this is the end of the first period. At that time, an unblinded interim analysis will be conducted in that cohort to determine if dose escalation to 0.2 mg/kg dose in children and the 0.25 mg/kg dose in adolescents are met. Methadone dose escalation will be based on clinically meaningful differences in need for rescue opioid in the PACU and the absence of well-defined opioid adverse events. Outcomes data will be collected in hospital and after discharge. With daily surveys for 7 days, and 3 phone calls on day 30, 3 months and 6 months after surgery.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
TRIPLE
Enrollment
440
Single-dose intraoperative intravenous methadone with initial dose at 0.15 mg/kg in children and 0.2 mg/kg in adolescents.
Per routine care, given as needed
Duke University Medical Center
Durham, North Carolina, United States
RECRUITINGNumber of participants who required rescue opioid administration in the PACU (post-anesthesia care unit)
Binary (yes/no) need for opioid in the PACU
Time frame: Up to 6 hours post surgery
Total amount of opioid medication administered
Postoperative opioid use expressed in morphine milligram equivalents per kilogram
Time frame: Up to 7 days post surgery
Opioid administration in the PACU (post-anesthesia care unit)
Postoperative opioid use in the recovery room expressed in morphine milligram equivalents per kilogram
Time frame: Up to 6 hours post surgery
Opioid administration post PACU (post-anesthesia care unit)
Postoperative opioid use after PACU discharge expressed in morphine milligram equivalents per kilogram
Time frame: Up to 7 days post surgery
Evaluation of participant's pain as measured by Numeric Pain Rating Scale
Numeric Pain Rating Scale, 0-10. 0 no pain, 10 worst possible pain
Time frame: Up to 7 days post surgery
Number of participants with adverse event in the PACU (post-anesthesia care unit)
Adverse events will only include those that are determined to be related to the study drugs.
Time frame: Up to 6 hours post surgery
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