The role of provocative discography in surgical treatment for patients with chronic low back pain

The role of provocative discography in surgical treatment for patients with chronic low back pain: a randomised controlled study

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

ISRCTN

Registry ID

ISRCTN51240362

Enrollment

310

Registered

2012-01-31

Start date

2003-01-01

Completion date

Unknown

Last updated

2017-02-27

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Low back pain/ischiatic pain Musculoskeletal Diseases Low back pain

Interventions

At first all 310 patients were randomized into a trial group with 207 patients and a control group with 103 patients. Patients in trial group filled in the Oswestry, Zung and MSPQ test, if the resul

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. Aged 23 - 74 years, either sex 2. Chronic low back pain and ischiatic pain 3. Radiological findings describe more than one cause of the pain 4. Uncertain clinical status after complete diagnostic imaging

Exclusion criteria

Exclusion criteria: 1. Tumour 2. Trauma 3. Psychiatric disease 4. Pregnancy

Design outcomes

Primary

Measure	Time frame
1. Statistically significant difference between two pre-operative groups should be 4 points or 8% 2. Statistically significant difference between pre-operative and post-operative groups should be 10 points or 20%	—

Secondary

Measure	Time frame
1. 36-item Short Form Health Survey (SF-36) update 2. Likert bipolar scaling method measuring either positive or negative response to a statement	—

Countries

Croatia

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Feb 4, 2026