CI

At a glance

ClinicalIndex Comparison Record
N/ACompleted· 158 enrolled
Drug / intervention
Not specified
Likely dose
Not stated in 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/NCT03444168
NCT03444168N/ACompleted
CompareCT.gov

Central Nervous System Amplification in Lumbar Failed Back Surgery Syndrome

University of Kansas Medical Center·observational·Posted Feb 23, 2018·Updated Mar 13, 2026

In Brief

An observational study for Chronic Pain. Completed, enrolled 158 participants across 1 site.

Detailed Summary

The purpose of this study is to learn whether or not certain risk factors and patient characteristics are linked with and possibly can predict the development of chronic pain after lumbar spine surgery.

Study Details

Study Typeobservational
Allocation--
Masking--
Primary Purpose--
ConditionsChronic Pain
CountriesUnited States
CollaboratorsNational Institute of General Medical Sciences (NIGMS)

Timeline

N/ACompletedFinished
201820192020202120222023202420252026
First PostedFeb 23, 2018
Enrollment StartJun 29, 2018
Primary CompletionApr 20, 2023
TodayJul 2, 2026
Enrollment to primary: 4.8 yearsPosted 8.4 years ago