The Effect of Epiduroscopy and Ozone Therapy in Patients With Failed Back Surgery Syndrome
Recruitment status was Recruiting
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Purpose
The aim of this study is to assess the efficacy and safety of ozone therapy (vs. placebo) applied into the epidural space through epiduroscopy in Patients with Failed Back Surgery Syndrome. It´s a Prospective, double-blind, randomized study. The investigators will study 30 patients of both sexes between 18 and 70 years with chronic back pain after lumbar spine surgery for more than six months.The patients will receive the ozone gas or placebo (oxygen) in the lumbar epidural space, using a spinal endoscope inserted through the sacral hiatus by local anesthesia or sedation. The patients will be evaluated before the procedure, with 30 days, with 3, 6 and 12 months after intervention. This will be run by a researcher who will have no knowledge of the gas (oxygen or ozone) to be injected into the lumbar epidural space with the aid of an epiduroscopic. Will be applied before and after the procedure, pain scales (VAS, McGill, DN4, NPSI), quality of life scale (WHOQOL), scales of back pain disability (Roland Morris and Oswestry Disabilities Scales). Only one researcher will keep the data confidential until the end of the study.
| Condition | Intervention | Phase |
|---|---|---|
|
Low Back Pain Failed Back Surgery Syndrome |
Procedure: Epiduroscopy with oxygen therapy Procedure: Epiduroscopy with ozone therapy |
Phase 1 |
| Study Type: | Interventional |
| Study Design: | Allocation: Randomized Endpoint Classification: Safety/Efficacy Study Intervention Model: Parallel Assignment Masking: Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor) Primary Purpose: Treatment |
| Official Title: | A Randomized, Double-Blind Study to Evaluate the Effect of Epiduroscopy and Ozone Therapy in Patients With Failed Back Surgery Syndrome |
- To evaluate the efficacy of ozone versus placebo (oxygen) applied into the epidural space of patients with Failed Back Surgery Syndrome (FBSS) through epiduroscopy. [ Time Frame: 01 year ] [ Designated as safety issue: Yes ]The pain intensity is measured by visual analog pain scale - VAS
- To evaluate the psychological aspects. [ Time Frame: 01 year ] [ Designated as safety issue: Yes ]To evaluate the effects of ozone applied into the epidural space of patients with Failed Back Surgery Syndrome(FBSS)through epiduroscopy about the psychological aspects. The investigators are using the Beck Depression Inventory - BDI.
- The quality of life. [ Time Frame: 01 year ] [ Designated as safety issue: Yes ]To evaluate the effects of ozone applied into the epidural space of patients with chronic pain syndrome post-laminectomy through epiduroscopia about the quality of life using the WHOQOL questionaire.
- To evaluate the physical capacity [ Time Frame: 01 year ] [ Designated as safety issue: Yes ]To evaluate the effects of ozone applied into the epidural space of patients with chronic pain syndrome post-laminectomy through epiduroscopia about physical capacity. The investigators are using the Oswestry Disability Index - ODI.
- To evaluate the use of analgesic medications [ Time Frame: 01 year ] [ Designated as safety issue: Yes ]The researchers will evaluate the amount of analgesic medications used during the monitoring period.
- To evaluate the rate of side effects or complications [ Time Frame: 01 year ] [ Designated as safety issue: Yes ]The side effects or adverse effects will be assessed according to CTCAE 4.0. In case of complications, will be recorded and analyzed.
| Estimated Enrollment: | 30 |
| Study Start Date: | May 2009 |
| Estimated Study Completion Date: | December 2010 |
| Estimated Primary Completion Date: | December 2010 (Final data collection date for primary outcome measure) |
| Arms | Assigned Interventions |
|---|---|
|
Active Comparator: Epiduroscopy with ozone therapy
Patients in this group will receive 30 mL of ozone at a concentration of 30 mcg / ml by epiduroscopy.
|
Procedure: Epiduroscopy with ozone therapy
Patients in this group will receive 30 mL of ozone at a concentration of 30 mcg / ml by epiduroscopy.
|
|
Placebo Comparator: Epiduroscopy with oxygen therapy
Patients in this group will receive 30 mL of oxygen by epiduroscopy.
|
Procedure: Epiduroscopy with oxygen therapy
Patients in this group will receive 30 mL of oxygen by epiduroscopy.
|
Show Detailed Description
Eligibility| Ages Eligible for Study: | 18 Years to 70 Years |
| Genders Eligible for Study: | Both |
| Accepts Healthy Volunteers: | No |
Inclusion Criteria:
- Sciatic pain of 5 or more on Visual Analogue Scale
- Previus lumbar spine surgery
- More than six months into group interdisciplinary pain with pain refractory to medical treatment
- Patients with FBSS of the nonsurgical etiology
- Patients without labor dispute ort secondary gain
Exclusion Criteria:
- Inability to fill out questionnaires (VAS, Roland Morris, WHOQOL, OSWESTRY DISABILITY SCALE, f. ex.)
- Presence of other spinal pathology
- Allergy to ozone
- Treatment with oral anticoagulants
- Hyperthyroidism
- Diabetic neuropathy
- favism (Significant glucose-6-phosphate-dehydrogenase deficit)and hyperthyroidism that are contra-indications for ozone therapy
Contacts and Locations| Contact: Francisco Nêuton O Magalhães, MD | + 55 11 8085 8666 | neuton11@yahoo.com |
| Brazil | |
| University of São Paulo Medical School | Recruiting |
| São Paulo, Brazil, 01060-970 | |
| Contact: Erich T Fonoff, PhD +55 11 32372031 fonoffet@usp.br | |
| Contact: Welligson Paiva, MD +55 11 75992245 wellingsonpaiva@yahoo.com.br | |
| Principal Investigator: Francisco Neuton O Magalhaes, MD | |
| Sub-Investigator: Erich T Fonoff, PhD | |
| Sub-Investigator: Arthur Ungaretti, MD | |
More Information
Publications:
| Responsible Party: | University of São Paulo, Manoel Jacobsen Teixeira |
| ClinicalTrials.gov Identifier: | NCT01172457 History of Changes |
| Other Study ID Numbers: | Epiduroscopy trial |
| Study First Received: | July 28, 2010 |
| Last Updated: | July 28, 2010 |
| Health Authority: | Brazil: National Committee of Ethics in Research |
Keywords provided by University of Sao Paulo:
|
low back pain failed back surgery syndrome (FBSS) epidural fibrosis ozone therapy |
oxygen therapy epiduroscopy spinal endoscopy |
Additional relevant MeSH terms:
|
Back Pain Low Back Pain Failed Back Surgery Syndrome Pain Neurologic Manifestations |
Nervous System Diseases Signs and Symptoms Postoperative Complications Pathologic Processes |
ClinicalTrials.gov processed this record on June 18, 2013