CI

At a glance

ClinicalIndex Comparison Record
Phase 4Completed· 907 enrolled
Drug / intervention
Methadone +4 moredrug
Likely dose
Methadone 0.3 mg/kgfrom record
Structured eligibility isn't available for this trial yet — see the full criteria in the Eligibility tab below.

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT03726268
NCT03726268Phase 4Completed

Optimizing Outpatient Anesthesia (OSPREy-Outpatient Surgery Pain Relief Enhancement)

Duke University·interventional·Posted Oct 31, 2018·Updated Nov 19, 2025

In Brief

A Phase 4 clinical trial evaluating Methadone, Fentanyl, and 3 other interventions for Opioid Use and Pain, Postoperative. Completed, enrolled 907 participants across 1 site.

Detailed Summary

The overall goal of this research is to improve perioperative pain treatment, decrease post-operative opioid consumption, diminish opioid related side effects, and reduce postop opioid prescribing (and hence opportunity for diversion, abuse, addiction, and fatal overdose).

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
CountriesUnited States

Timeline

Phase 4CompletedFinished
20192020202120222023202420252026
First PostedOct 31, 2018
Enrollment StartNov 29, 2018
Primary CompletionJul 30, 2023
Study CompletionJan 30, 2024
TodayJul 2, 2026
Enrollment to primary: 4.7 yearsPosted 7.7 years ago

Interventions

Methadonedrug

Dose is 0.15-0.3 mg/kg IV methadone HCl given intraoperatively and in the immediate post-operative period. Intraoperative methadone doses are 15 mg in "short-stay, anticipated next-day discharge" patients (10 mg if ≤55kg), and 10 mg in "same-day" surgery patients.

Fentanyldrug

Given per clinical provider discretion intraoperatively and in the immediate post-operative period (while patient remains in the post anesthesia care unit (PACU)).

Hydromorphonedrug

Given per clinical provider discretion intraoperatively and in the immediate post-operative period (while patient remains in the post anesthesia care unit (PACU)).

Morphinedrug

Given per clinical provider discretion intraoperatively and in the immediate post-operative period (while patient remains in the post anesthesia care unit (PACU)).

Sufentanildrug

Given per clinical provider discretion intraoperatively and in the immediate post-operative period (while patient remains in the post anesthesia care unit (PACU)).