Study drug 020 versus placebo with acetaminophen rescue in patients with chronic low back pain

ISRCTN ISRCTN06013881
DOI https://doi.org/10.1186/ISRCTN06013881
Secondary identifying numbers 020-007
Submission date
25/03/2008
Registration date
04/07/2008
Last edited
06/08/2010
Recruitment status
No longer recruiting
Overall study status
Completed
Condition category
Musculoskeletal Diseases
Prospectively registered
Protocol
Statistical analysis plan
Results
Individual participant data

Plain English summary of protocol

Not provided at time of registration

Contact information

Dr John Eisenhoffer
Scientific

Purdue Pharma
575 Granite Court
Pickering, Ontario
L1W 3W8
Canada

Phone +1 905 420 6400
Email medinfo@purdue.ca

Study information

Study designMulti-centred, randomised, double-blind, placebo-controlled crossover trial
Primary study designInterventional
Secondary study designRandomised controlled trial
Study setting(s)Not specified
Study typeTreatment
Scientific title
Study objectivesStudy drug 020 will be superior to placebo in the treatment of chronic low back pain.
Ethics approval(s)Ethics approval for the lead centre was received from the Mount Sinai Hospital Research Ethics Board (REB), Toronto, ON (Canada) on 3rd August 2004. All other participating centres obtained ethics approval before recruiting study participants.
Health condition(s) or problem(s) studiedChronic low back pain
InterventionTransdermal opioid analgesic (020) titrated to effect over a four-week phase with matched placebo arm, with acetaminophen rescue (325 - 650 mg every four to six hours as and when needed [q4 - 6h prn]) provided in both arms.
Intervention typeDrug
Pharmaceutical study type(s)
PhaseNot Specified
Drug / device / biological / vaccine name(s)Study drug 020 (buprenorphine transdermal system), acetaminophen
Primary outcome measurePain intensity measured during the last week of treatment in each phase.
Secondary outcome measuresAll assessments measured during the last week of treatment in each phase:
1. Pain and disability
2. Pain and sleep
3. Quality of life
4. Functional disability
Overall study start date05/07/2004
Completion date03/03/2006

Eligibility

Participant type(s)Patient
Age groupAdult
Lower age limit18 Years
SexBoth
Target number of participants80
Key inclusion criteria1. Male or non-pregnant females at least 18 years of age
2. Chronic low back pain of at least moderate intensity for at least three months
3. Patients who have not responded adequately to non-opioid analgesics and are currently taking a minimum of one tablet per day of an opioid analgesic
Key exclusion criteria1. Patients with intolerance to study drug 020, acetaminophen or any opioid
2. Patients expected to require more than 12 tablets of Tylenol no. 3 per day
3. Patients whose pain is expected to be refractory to opioid therapy
4. Patients who require therapy involving direct external heat sources
5. Patients with a significant source of unrelated pain that may obscure the assessment of efficacy
6. Patients with any of the following medical conditions:
6.1. Renal or hepatic impairment
6.2. Risk of respiratory depression
6.3. Peptic ulcer disease
6.4. Active inflammatory gastrointestinal disease
6.5. Major psychiatric disorder
6.6. Congenital Long QT syndrome, or any family member with this condition
6.7. History of congestive heart failure, atrial fibrillation, myocardial ischaemia, tachycardia (greater than 100 bpm at rest) or bradycardia (less than 45 bmp at rest)
6.8. Decreased serum magnesium or potassium
6.9. Any condition that would obscure patient safety or efficacy assessment
7. Patients currently receiving any of the following:
7.1. Class IA anti-arrhythmic medications (e.g., quinidine, procainamide, disopyramide)
7.2. Class III anti-arrhythmic medications (e.g., sotalol, amiodarone)
7.3. Any medication known to cause torsades de pointes
8. Patients who received an investigational drug within the past month
Date of first enrolment05/07/2004
Date of final enrolment03/03/2006

Locations

Countries of recruitment

  • Canada

Study participating centre

Purdue Pharma
Pickering, Ontario
L1W 3W8
Canada

Sponsor information

Purdue Pharma (Canada)
Industry

575 Granite Court
Pickering, Ontario
L1W 3W8
Canada

Website http://www.purdue.ca/main/
ROR logo "ROR" https://ror.org/023sxys58

Funders

Funder type

Industry

Purdue Pharma (Canada)

No information available

Results and Publications

Intention to publish date
Individual participant data (IPD) Intention to shareNo
IPD sharing plan summaryNot provided at time of registration
Publication and dissemination planNot provided at time of registration
IPD sharing plan

Study outputs

Output type Details Date created Date added Peer reviewed? Patient-facing?
Results article results 01/05/2010 Yes No