A Study of Intrathecal Hydromorphone for Pediatric Idiopathic Scoliosis

Status Recruiting

Clinical Trial Summary

The purpose of this study is to identify a dose of intrathecal hydromorphone (opioid pain medicine) that optimizes pain control but minimizes side effects historically seen with this class of pain medications.

Clinical Trial Description

This study is a sequential coin based up-down dose allocation method with the goal of identifying the ED90 for intrathecal hydromorphone (ITH) in idiopathic adolescent scoliosis repair via the posterior approach. A starting dose of 3.5 mcg/kg of hydromorphone was determined by current practice at the institution as well as upon review of available literature of previously used ITM doses in pediatric spine patients. Subsequent participants will receive higher (step "up") or lower (step "down") from this starting dose. Steps "down" from the starting dose will be smaller than steps "up" to ensure maintenance of adequate analgesia and to allow more accurate estimate of the optimal dose should it decrease beyond our starting dose. Steps "up" from the starting dose were chosen based on commonly used weight-based doses in our current practice. A maximum dose of 400 mcg, despite patient weight, was determined based on expert consensus and review preparatory to research query. The anesthesiologist covering the case (high lumbar or thoracic corrections) or the surgeon (low lumbar corrections) will administer the medication at the low lumbar level. ITH dose adjustments for subsequent study patients will be based on the efficacy of the dose used with the prior patient. Efficacious ITH administration will be defined as all NRS scores ≤5 within the first 18 hours after administration (binary outcome). If the NRS score was >5 within 18 hours or if the patient required supplemental opioid administration for pain control (suggestive of insufficient analgesia), the dose will be increased for the next enrolled study patient. If the pain score remains ≤5 within 18 hours of opioid administration, the next patient will receive the next lower dose or the same dose as the previous patient. Patients excluded after randomization will be removed from the study. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT05552443
Study type	Interventional
Source	Mayo Clinic
Contact
Status	Recruiting
Phase	Phase 4
Start date	March 23, 2023
Completion date	December 2024

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

A Study of Intrathecal Hydromorphone for Pediatric Idiopathic Scoliosis Repair

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms