Status:

COMPLETED

Comparison of the Efficacy of Duloxetine With Placebo in Patients With Chronic Low Back Pain With a Radicular Component

Lead Sponsor:

Medical University of Vienna

Conditions:

Chronic Low Back Pain

Eligibility:

All Genders

18-65 years

Phase:

PHASE4

Brief Summary

Objective: The objective of this study is to compare the efficacy of duloxetine in the treatment of patients with chronic low back pain with a radicular component to placebo. Study hypothesis: Dulo...

Eligibility Criteria

Inclusion

  • Low back pain ( below L1)
  • Chronic pain, \>6 months
  • Visual Analogue Scale (VAS) ≥ 5
  • Back pain with radicular component defined as pain with a burning, tingling sensation within the anatomic distribution of the nerve root and diagnosed by painDETECT questionnaire
  • Failed back surgery

Exclusion

  • Current mood disorder (dysthymia, bipolar mood disorder)
  • Major Depression \> 12 months (Beck Depression Inventory Score ≥ 18)
  • History of a psychoactive substance use disorder within the preceding 12 months
  • Major coexisting medical illness (e.g. severe heart failure, pulmonary hypertension, renal insufficiency)
  • Glaucoma
  • Acute myocardial infarction
  • uncontrolled hypertension
  • Prostate hyperplasia
  • History of convulsion
  • Pregnancy; women of childbearing age will be required to use contraceptives during the duration of the study. Furthermore a pregnancy test will be performed prior to the beginning of the study and once a month during the study period.
  • Participation in a clinical trial in the 3 weeks preceding the study
  • Allergy to study medication
  • Use of the following medication:
  • opioids except for tramadol,
  • benzodiazepines other than indicated at low doses for sleep disorders
  • antineuropathic medication including except for that specified in the study protocol
  • muscle relaxants
  • antidepressants other than indicated at low doses for sleep disorders
  • NSAID, Paracetamol
  • non-selective MAO-Inhibitors
  • Fluvoxamine, Ciprofloxacin, Enoxacin
  • Selective Serotonin-reuptake Inhibitors (SSRI)
  • if tapering of these drugs is impossible before inclusion.
  • Impaired kidney function (Creatinine \> 1.5mg/dl)
  • Impaired hepatic function (GOT, GPT \>2 fold standard levels)
  • Patients who are not able to understand the study measures and are not able to complete pain assessment forms.

Key Trial Info

Start Date :

May 1 2010

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

June 1 2014

Estimated Enrollment :

41 Patients enrolled

Trial Details

Trial ID

NCT01166048

Start Date

May 1 2010

End Date

June 1 2014

Last Update

July 31 2014

Active Locations (1)

Enter a location and click search to find clinical trials sorted by distance.

Page 1 of 1 (1 locations)

1

Department of Special Anesthesia and Pain Therapy, Medical University of Vienna, AKH Vienna

Vienna, Vienna, Austria, 1090

Comparison of the Efficacy of Duloxetine With Placebo in Patients With Chronic Low Back Pain With a Radicular Component | DecenTrialz