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Low Back PainPhase 3NCT01112267

An Efficacy and Safety Study of Extended Release (ER) Tramadol Hydrochloride (HCl)/Acetaminophen in Participants With Chronic Low-Back Pain

A Phase 3 study testing Tramadol HCl/acetaminophen Extended Release in people with Low Back Pain, run by Janssen Korea, Ltd., Korea.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

The purpose of this study is to evaluate the efficacy and safety of extended release (ER) tramadol hydrochloride (HCl)/acetaminophen compared with placebo in participants with chronic (lasting a long time) low-back pain. Read more about this study

Who is it for?
Ages 25 to 75 years
Conditions the study is for
Low Back Pain
What is being tested?
Tramadol HCl/acetaminophen Extended Release
Type of treatment
Pill or oral medicine
Could I receive a placebo?
Yes, some participants may receive a placebo
How many people
248 participants
Where
No sites listed yet
Study dates
May 2009to Oct 2009
Phase
Phase 3
Are there results?
Yes, posted in the registrySummary in the doctors' view

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 25 to 75 years
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Participants diagnosed with low back pain at least 3 months before the screening or washout period
  • Participants who have taken a stable dose of Non-Steroidal Anti-Inflammatory Drugs (NSAIDs) (drugs used for reducing inflammation and pain ) or Cyclo-Oxygenase 2 (COX-2) selective inhibitors (an anti-inflammatory drug that fights pain) from 7 days before investigational product administration, and could maintain the same dose during the period of the study
  • Participants whose average pain intensity is more than or equal to 4.0 centimeters on Visual Analog Scale over the last 48 hours after the completion of screening
  • Postmenopausal or surgically sterile or abstinent women or practicing a highly effective method of birth control
  • Women with childbearing potential must have negative pregnancy test

Who cannot join

  • Participants who have taken tramadol or tramadol HCl or acetaminophen, or narcotic (strong habit-forming drug that stops pain and depresses the central nervous system) analgesic tablet within 30 days before investigational product administration
  • Participants who have taken acetaminophen tablet within 7 days before investigational product administration
  • Participants with tumor or infection in meninges or spinal cord
  • Participants who have fibromyalgia (neurosensory disorder characterized by muscle pain, joint stiffness, and fatigue), reflex sympathetic dystrophy (feeling of pain associated with evidence of minor nerve injury) or causalgia (persistent, severe burning sensation of the skin), acute spinal cord compression, acute nerve root compression, severe lower extremity weakness or numbness, regional pain syndrome, meningitis (inflammation of the meninges), diskitis (nonbacterial inflammation of an intervertebral disk or disk space), back pain because of secondary infection or tumor, or pain caused by a confirmed or suspected neoplasm
  • Participants who have taken analgesic (including local agents or anesthetics), sedative-hypnotic (e.g., diazepam), or muscle relaxant other than a stable dose of NSAIDs or COX-2 selective inhibitors within 5 times the half-life of the concerned agent before investigational product administration

About this study

Official title: A Randomized, Placebo-Controlled, Parallel Group, Double-Blind Clinical Study to Evaluate the Efficacy and Safety of Tramadol HCl/Acetaminophen Extended Release Tablet in Subjects With Chronic Low Back Pain

The purpose of this study is to evaluate the efficacy and safety of extended release (ER) tramadol hydrochloride (HCl)/acetaminophen compared with placebo in participants with chronic (lasting a long time) low-back pain.

Read the detailed description

This is a double blind (a medical research study in which neither the researchers nor the participants know what treatment the participants is receiving), randomized (study drug is assigned by chance), placebo-controlled, parallel group (a medical research study comparing the response in 2 or more groups of participants receiving different interventions [treatments]) and up-titration study in participants with chronic low back pain. The study will consist of 6 visits (Day -7 to Day -1 [Visit 1], Day 1 [Visit 2], Day 3 [telephone visit], Day 8 [Visit 3], Day 15 [Visit 4] and Day 29 [Visit 5]) and 2 phases: a screening phase and treatment phase. Screening phase will be of 7 days during which, participants will receive stable dose of non-steroidal anti-inflammatory drugs (NSAIDS) or COX-2 selective inhibitors (NSAID that specifically inhibits an enzyme known as cyclooxygenase-2) for pain therapy. On the basis of average pain intensity over the last 48 hours which will be measured at baseline (at the end of screening period), participants will enter the treatment phase. Treatment phase will be of 28 days which includes 7-days of dose titration period. In treatment phase all participants will be randomly assigned to 1 of 2 possible treatments: tramadol HCl 75 milligram (mg)/acetaminophen 650 mg ER tablet treatment or the equivalent placebo (an inactive substance) treatment until study completion, Day 29. Participants will receive 1 tablet of tramadol HCl/acetaminophen ER or its equivalent placebo, once daily for 3 days. After the first 3 days, the participants will receive a telephone inquiry monitoring the occurrence of adverse events and will be given additional administration instructions for the next 4 days (1 tablet twice daily for 4 days). From Day 7, participants will receive 1 or 2 tablets twice a day depending on the degree of pain relief required. Participants will visit the center on the Day 8 (Visit 3), Day 15 (Visit 4), and Day 29 (Visit 5) after starting study drug. The efficacy will be assessed by measuring extent of reduction in pain intensity on a Visual Analog Scale (VAS). Participants' safety will be monitored throughout the study.

Conditions
Low Back Pain
Being tested
Tramadol HCl/acetaminophen Extended Release, Placebo
Keywords
Chronic low back pain, Tramadol Hydrochloride (HCl), acetaminophen
Medical subject headings
Low Back Pain

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Tramadol HCl/acetaminophen Extended ReleaseDrug

    Also called Ultracet Extended Relaese

    Participants will receive 1 tablet containing 75 mg of tramadol HCl and 650 mg of acetaminophen, once daily on Days 1to 3, then 1 tablet twice daily on Days 4 to 7

  • PlaceboDrug

    Participants will receive 1 matching placebo tablet once daily on Days 1 to 3, then 1 tablet twice daily on Days 4 to 7

  • Tramadol HCl/acetaminophen Extended ReleaseDrug

    Also called Ultracet Extended Relaese

    Participants will receive 1 or 2 tablets containing 75 mg of tramadol HCl and 650 mg of acetaminophen, twice daily on Days 8 to 28

  • PlaceboDrug

    Prticipants will receive 1 or 2 matching placebo tablet once daily on Days 1 to 3, then 1 tablet twice daily on Days 8 to 28

Study groups in NCT01112267
Study groupRoleWhat they receive
Tramadol Hydrochloride (HCl)/acetaminophenExperimentalParticipants will receive 1 tablet containing fixed dose of combination of tramadol hydrochloride (HCl) 75 milligram (mg) /acetaminophen Extended Release (ER) 650 mg orally once daily on Days 1 to 3, 1 tablet twice daily (tramadol HCl 150 mg/acetaminophen 1300 mg) on Days 4 to 7, then 1 or 2 tablets twice daily on Days 8 to 28.
Receives: Drug: Tramadol HCl/acetaminophen Extended Release
PlaceboPlacebo comparatorPrticipants will receive 1 tablet matching placebo once daily orally on Days 1 to 3, 1 tablet twice daily on Days 4 to 7, then 1 or 2 tablets twice daily on Days 8 to 28.
Receives: Drug: Placebo

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Percentage of Participants With Reduction in Pain Intensity

    The percentage of participants with extent of reduction in pain intensity greater than or equal to 30 percent was reported. Pain intensity change rate was calculated by Visual Analog Scale (VAS) score at baseline minus VAS score at Day 29 divided by VAS score at Baseline. VAS is a 10 centimeter (cm) scale. Intensity of pain range: 0 cm=no pain to 10 cm=worst possible pain.

    Measured: Baseline up to Day 29

  2. Change From Baseline in Pain Intensity at Day 29

    Change in pain intensity experienced by participants over the last 48 hours was measured on Day 29 against Baseline with VAS. VAS is a 10 cm scale. Intensity of pain range: 0 cm=no pain to 10 cm=worst possible pain.

    Measured: Baseline and Day 29

Secondary outcomes (5)
  1. Percentage of Participants With Pain Relief

    Pain relief was measured in 6 stages to assess the participant's pain relief. Extent of pain relief was measured on a scale ranging from 4 to -1, where 4=complete disappearance, 3=fair relief, 2=moderate relief, 1=slight relief, 0=no change and -1=pain worsening. Relief more than 'slight relief (1)' was considered as pain relief success.

    Measured: Day 8, Day 15 and Day 29

  2. Change From Baseline in Short Form (SF)-36 Score at Day 29

    The quality of life of participants was evaluated by SF-36 Korean version questionnaire. It is composed of 8 domains: physical and social functioning, physical and emotional role limitations, bodily pain, general health, vitality, mental health. Participants answered to the questionnaire of 36 questions; and physical, social, and psychological health status were assessed. It ranges 0 to 100, and higher score indicates better quality of life, But in "Reported (Rptd.) Health Transition" domain higher score indicates worse quality of life.

    Measured: Baseline and Day 29

  3. Change From Baseline in Oswestry Disability Index (ODI) Korean Version Score at Day 29

    The ODI Korean version was used to assess the participant's functionality. The ODI is a low back pain-specific, validated instrument that consists of questions related to limitations in performing specific activities of daily living and 1 question related to pain intensity. The ODI is a self-administered questionnaire consists of 10 sections. Each section consists of 6 statements ranked from 0 to 5 (0=good to 5=worse). Total score is the sum of score obtained in each section and ranges from 0 to 50. A higher score represents greater disability.

    Measured: Baseline and Day 29

  4. Percentage of Participants With Investigator's Global Assessment on Investigational Product

    Global assessment on investigational product was done by investigator on how well the investigational product controlled chronic (lasting a long time) low back pain. Assessment was done by categories 'Very bad (-2)' 'Bad (-1)' 'Not changed (0) 'Good (1)' and 'Very good (2)'. Assessment better than "Good" was considered as pain improvement success. Percentage of participants with pain improvement success is reported here.

    Measured: Day 29

  5. Percentage of Participants With Participants' Global Assessment on Investigational Product

    Global assessment on investigational product was done by participants on how well the investigational product controlled chronic (lasting a long time) low back pain. Assessment was done by categories 'Very bad (-2)' 'Bad (-1)' 'Not changed (0) 'Good (1)' and 'Very good (2)'. Assessment better than "Good" was considered as pain improvement success. Percentage of participants with pain improvement success is reported here.

    Measured: Day 29

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted28 Apr 2010 (estimated)
  2. Study startMay 2009
  3. Primary completionOct 2009
  4. Study completionOct 2009

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 3
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Masking
Double blind
Who is masked
Participant, Investigator
Enrolment
248 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT01112267
Sponsor's protocol ID
CR016222
Other IDs
ULTER-KOR-3003, TRAMAPPAI3004
Status last verified
Jun 2013
First submitted
1 Apr 2010
Last updated
24 Jul 2013
Data monitoring committee
No

Publications

  • Lee JH, Lee CS; Ultracet ER Study Group. A randomized, double-blind, placebo-controlled, parallel-group study to evaluate the efficacy and safety of the extended-release tramadol hydrochloride/acetaminophen fixed-dose combination tablet for the treatment of chronic low back pain. Clin Ther. 2013 Nov;35(11):1830-40. doi: 10.1016/j.clinthera.2013.09.017. Epub 2013 Oct 30.

    PubMed 24183364

Questions about this trial

What is this clinical trial studying?

A Phase 3 study testing Tramadol HCl/acetaminophen Extended Release in people with Low Back Pain, run by Janssen Korea, Ltd., Korea.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 5 inclusion and 5 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 24 Jul 2013. Status can change between updates, so confirm with the study contact before making plans.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. Some participants in this study may receive a placebo. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 3 studies compare the treatment with the current standard treatment or a placebo in a large group, to confirm how well it works and watch for side effects.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

Yes. Results are posted in the registry (first posted 24 Jul 2013). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Percentage of Participants With Reduction in Pain Intensity (time frame: Baseline up to Day 29). The study lists 2 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT01112267, which also lists 1 linked publication.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 24 Jul 2013; AzTrials last refreshed its copy on 7 Nov 2026.

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