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Spine surgery safety check: nerve monitoring put to the test

NCT ID NCT01499680

Knowledge-focused Sponsor: NuVasive Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study looked at how well nerve monitoring works during a type of spine surgery called XLIF. It involved 323 adults with worn-out discs in their lower back. The goal was to see if the monitoring could accurately detect nerve problems during the operation.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Participants

323 people

The number who actually took part.

Start date

Oct 2011

Finished

Jun 2014

Lead sponsor

A company

The lead sponsor is a pharmaceutical, biotech, or medical-device company.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Who is studied

Study population will consist of patients from participating site locations.

Ages

18 years and older

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Persistent back and/or leg pain unresponsive to conservative treatment for at least six (6) months, unless surgical treatment is clinically indicated earlier * Indicated for extreme lateral interbody fusion at any number of levels inclusive of L4-5 * At least 18 years of age at the date of written informed consent * Able to undergo surgery based on physical exam, medical history and surgeon judgment * Willing and able to return for post-treatment exams according to the follow-up called for in the protocol * Signed and dated informed consent form Exclusion Criteria: * Patient has a mental or physical condition that would limit the ability to comply with study requirements * Patient is a prisoner * Patient is involved in active litigation relating to the spine (worker's compensation claim is allowed if it is not contested) * Patient has an underlying neurological disease or neurological deficit that is not associated with the condition for which he/she is seeking surgical intervention (e.g., diabetic peripheral neuropathy) * Patient is participating in another clinical study that would confound study data

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Conditions

The condition(s) this trial relates to.

lumbar disk degenerative disorder

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Degeneration of lumbar intervertebral disc

Contacts and locations

Locations

  • Caribbean Orthopaedic and Spine Institute

    San Juan, PR, 00901, Puerto Rico

  • Coastal Orthopaedic Associates

    Conway, South Carolina, 29526, United States

  • Columbia Orthopaedic Group

    Columbia, Missouri, 65205, United States

  • Duke University Medical Center

    Durham, North Carolina, 27710, United States

  • Durango Orthopaedics

    Durango, Colorado, 81301, United States

  • Georgia Spine and Neurosurgery Center

    Decatur, Georgia, 30033, United States

  • Illinois Neurological Institute

    Peoria, Illinois, 61605, United States

  • Kantonsspital St. Gallen

    Sankt Gallen, 9007, Switzerland

  • McLean Country Orthopedics

    Bloomington, Illinois, 61704, United States

  • Pinnacle Orthopaedics and Sports Medicine

    Marietta, Georgia, 30060, United States

  • Shiley Center for Orthopaedic Research

    La Jolla, California, 92037, United States

  • South Oregon Spine Care

    Medford, Oregon, 97504, United States

  • Spine Midwest, Inc.

    Jefferson City, Missouri, 65101, United States

  • Spine Pain Be Gone Clinic

    San Antonio, Texas, 78229, United States

  • UC Irvine Medical Center

    Orange, California, 92868, United States

  • USF Neurology and Neurosurgery

    Tampa, Florida, 33606, United States

  • Univerisity of Pittsburgh Medical Center

    Pittsburgh, Pennsylvania, 15213, United States

  • University of Pittsburgh Medical Center

    Pittsburgh, Pennsylvania, 15213, United States

  • West Augusta Spine Specialists

    Augusta, Georgia, 30909, United States

  • Western Regional Center for Brain and Spine Surgery

    Las Vegas, Nevada, 89109, United States

More trials for these conditions

Other studies related to the condition(s) this trial covers.