Study of Cytokines Serum Levels in Chronic Low Back Pain
CompletedPhase 1NCT00991042
View the official record on ClinicalTrials.gov Recruiting status changes often. Contact the study team listed on ClinicalTrials.gov, and talk to your doctor before joining a study.
This study has no listed site in Canada in this snapshot. It is included as part of the worldwide chronic pain corpus.
Brief summary (from the registry)
The purpose of this study is to: * evaluate if there is an association between elevated levels of cytokines and chronic pain due to herniated disk disease * measured cytokines levels in chronic low back pain and in healthy subjects.
Study details
- Official title
- Analytical Transversal Study of Cytokines Serum Levels in Chronic Low Back Pain Due to Herniated Disk
- Conditions
- Interleukines
- Interventions
- Other: blood collect
- Sponsor
- Federal University of São Paulo
- Collaborators
- Federal University of Bahia
- Start date
- 2003-08
- Primary completion
- 2004-09
- Sex
- All
- Age range
- from 20 Years to 65 Years
- Healthy volunteers
- true
- Results posted
- No results posted in this snapshot
- Countries
- Brazil
- Total sites listed
- 1
Eligibility criteria
Show eligibility criteria (verbatim from the registry)
Inclusion Criteria: * 23 patients * least three months of back pain due to herniated disk disease * pain severity had to be 5 points on the Numerical Rating Scale (NRS) * 10 healthy volunteers: * without previous history of back pain Exclusion Criteria: * One or more of the following: * psychiatric disorders * systemic or inflammatory disease * history of allergy * presence of motor deficits * history of blood dyscrasia * pregnancy * active infection, tumor * use of analgesic drugs in the week before * inability to come to the hospital for evaluation.
Source: ClinicalTrials.gov (US National Library of Medicine), snapshot October 2026. Check the registry for current recruiting status. Record: https://clinicaltrials.gov/study/NCT00991042