Cure My Disease

Don't miss your cure!

 Log in / Sign up

New study aims to solve the mystery of persistent pain after back surgery

NCT ID NCT02964130

Knowledge-focused Sponsor: Poitiers University Hospital 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study looks at people who still have chronic back or leg pain after back surgery, a condition called Failed Back Surgery Syndrome (FBSS). Researchers want to better understand what causes this pain and how to diagnose it faster. They will collect detailed information from 200 patients to help doctors choose the right treatments earlier.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

What this could lead to
If successful, this could lead to faster diagnosis and better treatment decisions for people with chronic pain after back surgery.
What could go wrong
This is an observational study, not a treatment trial. It may not directly improve outcomes, and results may not apply to all patients.

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.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

200 people

The number who actually took part.

Started

Jan 2017

Finished

May 2019

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

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

Ages

18 to 80 years

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: * Patient has signed and dated the Informed Consent Form. * Patient is ≥ 18 years of age at time of "Informed Consent Form" signature. * Patient had most recent back surgery more than 6 months ago. * Patient has developed post-operative Chronic Back with or without Leg Pain (potential FBSS). * Patient has persistent back pain for more than 6 months. * Average low back or leg pain is ≥ 4 as assessed by the baseline NPRS. Exclusion Criteria: * Patient has already a confirmed FBSS diagnosis. * Patient is or has been treated with SCS, subcutaneous or peripheral nerve stimulation, an intrathecal drug delivery system. * Investigator suspects substance abuse that might confound the study results. * Patient has a life expectancy of less than 12 months beyond study enrollment. * Patient is less than 18 years of age. * Patient is pregnant or planning to become pregnant during the course of the study. * Patient is unable to undergo study assessments or complete questionnaires independently (e.g., is illiterate). * Patient is a member of a vulnerable population.

Get updates

Get notified about this study

Sign up to get updates when this study changes or when new studies for Chronic pain are added.

Our safety recommendation!

By submitting, you agree to our Terms of use

Conditions

The condition(s) this trial relates to.

Chronic Pain chronic pain syndrome Failed Back Surgery Syndrome

As listed by the trial registrant

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

Chronic pain Failed back surgery syndrome

Contacts and locations

Locations

  • Poitiers Hospital University

    Poitiers, France

More trials for these conditions

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