RECRUITING

Effect of Magnesium on Neuromonitoring

Study Overview

This clinical trial focuses on testing the efficacy of different digital interventions to promote re-engagement in cancer-related long-term follow-up care for adolescent and young adult (AYA) survivors of childhood cancer.

Description

Intraoperative neurophysiologic monitoring (IONM) is commonly used during complex spinal surgery to monitor the integrity of neural structures and improve the perioperative safety profile. Transcranial Motor Evoked Potentials (TcMEPs) monitor the integrity of the motor pathways and are one of the most commonly used monitoring modalities in spinal surgery. Because inhaled anesthetics can negatively affect the ability to monitor TcMEPs, anesthesiologists commonly use a combination of propofol and opioids to maintain the anesthetic state. Additionally, anesthesiologists will frequently administer intravenous infusions of medications that can decrease postoperative pain and opioid use (called opioid-sparing adjuncts) because spinal surgeries result in significant postoperative pain. Despite the increasing use of these agents, there is scant clinical data about how they may affect the integrity of TcMEP monitoring. Magnesium (Mg), a N-methyl-d-aspartate receptors (NMDA) receptor antagonist, is one of the adjuncts with robust data supporting clinical efficacy to decrease pain and opioid use on TcMEPs. Mg has been used clinically for decades. The investigators commonly utilize intravenous magnesium as a component of our spinal anesthesia protocol. However, there is only a single case report that discusses the effects of Mg on TcMEPs. Here the investigators propose a prospective clinical trial to quantitatively assess the effects of various Mg plasma levels on TcMEPs. There is a lack of literature on the pharmacokinetics of magnesium in non-pregnant patients.

Official Title

Pharmacokinetics and Impact of Magnesium Sulfate on Neuromonitoring in Spinal Surgery

Quick Facts

Study Start:2025-07-01
Study Completion:2026-04-30
Study Type:Not specified
Phase:Not Applicable
Enrollment:Not specified
Status:RECRUITING

Study ID

NCT06975072

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Ages Eligible for Study:18 Years
Sexes Eligible for Study:ALL
Accepts Healthy Volunteers:No
Standard Ages:ADULT, OLDER_ADULT
Inclusion CriteriaExclusion Criteria
  1. Age 18 years or older
  2. Willing and able to provide informed consent
  3. Able to understand and follow study procedures
  4. Stable medical condition
  1. 1. Patients with a history of significant cardiac disease (LVEF \<35%, 2nd/3rd-degree block without a pacemaker, or significant arrhythmia)
  2. 2. Patients with kidney disease (GFR \<30), or hepatic dysfunction (history of cirrhosis)
  3. 3. Allergy or sensitivity to magnesium
  4. 4. Patient with neuromuscular disease such as myasthenia graves

Contacts and Locations

Study Contact

Hemra Cil, MD
CONTACT
415-502-7846
hemra.cil@ucsf.edu

Principal Investigator

Hemra Cil, MD
PRINCIPAL_INVESTIGATOR
University of California, San Francisco

Study Locations (Sites)

University of California San Francisco Hospital
San Francisco, California, 94143
United States

Collaborators and Investigators

Sponsor: University of California, San Francisco

  • Hemra Cil, MD, PRINCIPAL_INVESTIGATOR, University of California, San Francisco

Study Record Dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Registration Dates

Study Start Date2025-07-01
Study Completion Date2026-04-30

Study Record Updates

Study Start Date2025-07-01
Study Completion Date2026-04-30

Terms related to this study

Keywords Provided by Researchers

  • spine
  • spine surgery
  • spine fusion
  • magnesium
  • neuromonitoring
  • motor evoked potential monitoring

Additional Relevant MeSH Terms

  • Spine
  • Pain
  • Spine Surgery
  • Spine Surgery With Neuromonitoring
  • Spine Surgery With Motor Evoked Potential Monitoring
  • Spine Fusion