Actively Recruiting

Age: 18Years +
All Genders
NCT04885244

Prospective Evaluation of Complex Adult Spinal Deformity (CAD) Treated With Minimally Invasive Surgery

Led by International Spine Study Group Foundation · Updated on 2026-02-17

500

Participants Needed

12

Research Sites

700 weeks

Total Duration

On this page

Sponsors

I

International Spine Study Group Foundation

Lead Sponsor

N

NuVasive

Collaborating Sponsor

AI-Summary

What this Trial Is About

Evaluate surgical treatment outcomes and identify best practice guidelines for complex adult spinal deformity (ASD) patients treated with minimally invasive approach, including radiographic and clinical outcomes, surgical and postoperative complications, risk factors for and revision surgery rates, and the role of standard work to improve patient outcomes and reduce surgical and postoperative complications.

CONDITIONS

Official Title

Prospective Evaluation of Complex Adult Spinal Deformity (CAD) Treated With Minimally Invasive Surgery

Who Can Participate

Age: 18Years +
All Genders

Eligibility Criteria

Eligible

You may qualify if you...

  • Over 18 years of age at the time of treatment
  • Diagnosis of adult congenital, degenerative, idiopathic, neuromuscular, inflammatory, or iatrogenic spinal deformity
  • EOS full body or standing 36" AP and Lateral images of entire spine
  • Surgery scheduled within 6 months (if later, repeat PROMs and radiographic images required)
  • Meet at least one radiographic criteria: PI-LL ≥ 25 degrees, thoracolumbar/lumbar scoliosis ≥ 20 degrees, SVA > 10 cm, or PT > 30
  • OR meet at least one procedural criteria: surgery includes > 3 levels percutaneous posterior spinal instrumentation or 3 level stand-alone interbody; posterior UIV and LIV placed percutaneously; single-position surgery with ≥ 3 levels fused; staged ≥ 3 levels fused with percutaneous pedicle screws; 3 column osteotomy with percutaneous fixation; or ACR with percutaneous UIV and LIV screws
Not Eligible

You will not qualify if you...

  • Deformity caused by acute trauma
  • Active spine tumor or infection
  • Unable or unwilling to complete questionnaires
  • Pregnant women
  • Prisoners
  • Planned open posterior spinal fusion (open anterior fusion such as ALIF allowed)

AI-Screening

AI-Powered Screening

Complete this quick 3-step screening to check your eligibility

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Trial Site Locations

Total: 12 locations

1

Barrow Neurological Institute

Phoenix, Arizona, United States, 85013

Actively Recruiting

2

Shiley Center for Orthopaedic Research and Education at Scripps Clinic

La Jolla, California, United States, 92037

Actively Recruiting

3

Cedars-Sinai Medical Center

Los Angeles, California, United States, 90048

Actively Recruiting

4

University of California - San Francisco Medical Center

San Francisco, California, United States, 94143

Actively Recruiting

5

University of Miami

Miami, Florida, United States, 33125

Actively Recruiting

6

Rush University, Department of Neurosurgery

Chicago, Illinois, United States, 60612

Actively Recruiting

7

Louisiana Spine Institute

Shreveport, Louisiana, United States, 71101

Actively Recruiting

8

University of Michigan, Department of Neurosurgery

Ann Arbor, Michigan, United States, 48109

Completed

9

Columbia University - New York-Presbyterian Och Spine Hospital

New York, New York, United States, 10034

Actively Recruiting

10

Duke University Health System

Durham, North Carolina, United States, 27710

Actively Recruiting

11

University of Pittsburgh Medical Center

Pittsburgh, Pennsylvania, United States, 15213

Actively Recruiting

12

Semmes-Murphey

Memphis, Tennessee, United States, 38120

Actively Recruiting

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Research Team

C

Christine Baldus, MS

CONTACT

R

Ray Pinteric

CONTACT

How is the study designed?

Study Type

OBSERVATIONAL

Masking

N/A

Allocation

N/A

Model

N/A

Primary Purpose

N/A

Number of Arms

1

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