Pilot Study of the Efficacy and Safety of Lidoderm Patch in the Treatment of Low Back Pain

NCT ID: NCT00904475

Last Updated: 2010-02-15

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE4

Total Enrollment

102 participants

Study Classification

INTERVENTIONAL

Study Start Date

2003-04-30

Brief Summary

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Patients with moderate to severe chronic Low Back Pain (LBP) despite current analgesic treatment participated in a Phase IV clinical trial to evaluate the analgesic efficacy of the lidocaine patch 5% compared to placebo in treating moderate to severe chronic LBP.

Detailed Description

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Conditions

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Chronic Low Back Pain

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

DOUBLE

Participants Investigators

Study Groups

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1- Lidoderm®

Lidoderm (lidocaine patch 5%), up to three patches applied topically once daily (q24h) to the area of maximal peripheral pain

Group Type EXPERIMENTAL

Lidoderm®

Intervention Type DRUG

Eligible patients were randomized equally to one of two groups: lidocaine patch 5% or matching placebo patch. During the 6-week treatment period, patients used up to three patches daily applied q24h.

2-Placebo

Matching placebo, up to three patches applied topically once daily (q24h) to the area of maximal peripheral pain

Group Type PLACEBO_COMPARATOR

Lidoderm®

Intervention Type DRUG

Eligible patients were randomized equally to one of two groups: lidocaine patch 5% or matching placebo patch. During the 6-week treatment period, patients used up to three patches daily applied q24h.

Interventions

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Lidoderm®

Eligible patients were randomized equally to one of two groups: lidocaine patch 5% or matching placebo patch. During the 6-week treatment period, patients used up to three patches daily applied q24h.

Intervention Type DRUG

Lidoderm®

Eligible patients were randomized equally to one of two groups: lidocaine patch 5% or matching placebo patch. During the 6-week treatment period, patients used up to three patches daily applied q24h.

Intervention Type DRUG

Other Intervention Names

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Lidocaine patch 5% Lidocaine patch 5%

Eligibility Criteria

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Inclusion Criteria

1. Were currently experiencing moderate/severe pain despite current analgesic treatment
2. Had daily moderate-to-severe LBP for at least 3 months duration
3. Had a mean daily pain intensity score of \>6 on a 0 to 10 scale, with 0 being no pain and 10 being pain as bad as the patients have ever imagined (Question 5 of BPI) during the baseline week; patients had to complete daily diary assessments at least 5 of 7 days during the baseline week

Exclusion Criteria

1. Had a history of greater than one back surgery, or one back surgery within 3 months of study entry
2. Had severe spinal stenosis
3. Had chronic back pain of \>12 months duration with an undefined spinal diagnosis
4. Had radicular symptoms with radiation into the thigh or below (i.e., knee, calf, foot, etc.)
5. Had received an epidural steroid/local anesthetic injection within 2 weeks prior to study entry
6. Had received trigger point injections within 2 weeks prior to study entry
7. Had received Botulinum Toxin Injections for LBP within 3 months prior to study entry
8. Were taking a lidocaine-containing product that could not be discontinued while receiving study medication
9. Were taking class 1 anti-arrhythmic drugs (e.g., mexiletine, tocainide)
10. Had received Lidoderm for LBP in the past
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Endo Pharmaceuticals

INDUSTRY

Sponsor Role lead

Responsible Party

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Endo Pharmaceuticals

Principal Investigators

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Sr. Director

Role: STUDY_DIRECTOR

Endo Pharmaceuticals

Locations

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Birmingham, Alabama, United States

Site Status

Hueytown, Alabama, United States

Site Status

Phoenix, Arizona, United States

Site Status

Mill Valley, California, United States

Site Status

Allentown, Pennsylvania, United States

Site Status

Salt Lake City, Utah, United States

Site Status

Countries

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United States

Other Identifiers

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EN3220-011

Identifier Type: -

Identifier Source: org_study_id

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