Clinical trial Recruiting at 1 site Observational Ages 18 and up

How different types of low back pain affect pain and quality of life after failed lumbar surgery

Official title: Effects of Low Back Pain Types on Pain Severity and Quality of Life in Patients With Failed Back Surgery Syndrome

Run by Konya Beyhekim Training and Research Hospital · NCT07488936 · Data updated 2026-11-12

This project will test whether neuropathic, nociceptive, or nociplastic low back pain are linked to pain severity and quality of life in adults with failed back surgery syndrome.

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Quick facts

Study typeObservational
Ages18 Years and up
SexAll
Enrollment200 (estimated)
SponsorKonya Beyhekim Training and Research Hospital
Government
Locations1 site (Konya, Selçuklu)
StatusRecruiting
StartedDecember 1, 2025
Main results expectedDecember 1, 2025
Study endsDecember 1, 2026
Registry record updatedMarch 23, 2026
Trial IDNCT07488936 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Adults aged 18 or older with a diagnosis of failed back surgery syndrome and at least three months of low back pain who can attend a single outpatient visit at Konya Beyhekim Training and Research Hospital.

Probably not a fit

People under 18, those with major psychiatric illness or communication barriers, or patients whose back pain has other identified causes would likely not benefit from participating in this project.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This prospective, hospital-based observational project will enroll 200 adults with failed lumbar spine surgery syndrome who have had low back pain for at least three months and present to the outpatient physical therapy and rehabilitation clinic at Konya Beyhekim Training and Research Hospital. Participants will have a single assessment using the Visual Analog Scale (VAS) and Pain Catastrophizing Scale (PCS) for pain, the Roland-Morris Disability Questionnaire (RMDQ) for function, and the SF-36 for quality of life. Pain type will be classified using the DN4 for neuropathic pain and clinical criteria/grading for nociplastic pain, with remaining cases labeled nociceptive. Outcomes will compare pain intensity, disability, catastrophizing, and quality-of-life scores across the different pain-type groups.

Why it matters

Potential benefit: If successful, results could help clinicians match treatments to pain mechanisms and improve symptom control and quality of life for patients with failed back surgery syndrome.

How similar studies have gone: Previous observational research has shown that distinguishing neuropathic, nociceptive, and nociplastic pain can predict differences in pain severity and quality of life, but there is limited published data specifically in failed back surgery syndrome.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* \*Being over 18 years of age

  * Being willing to participate in the study
  * Having been diagnosed with failed back surgery syndrome

Exclusion Criteria:

* \*Those under 18 years of age

  * Those with major psychiatric illnesses
  * Those with communication problems
  * Other causes of back pain

Where it's running

  • Konya Beyhekim Eğitim Araştırma Hastanesi
    Konya, Selçuklu, Turkey (Türkiye)
    Recruiting

Study contacts

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How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.