Efficacy and Safety Study Evaluating ADL5859 and ADL5747 in Participants With Pain Due to Osteoarthritis of the Knee



Status:Completed
Conditions:Arthritis, Osteoarthritis (OA)
Therapuetic Areas:Rheumatology
Healthy:No
Age Range:18 - 75
Updated:4/21/2016
Start Date:October 2009
End Date:June 2010

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A Phase 2a, Randomized, Double-blind, Placebo- and Active-controlled, Parallel-group, Multicenter Study Evaluating the Analgesic Efficacy and Safety of ADL5859 and ADL5747 in Subjects With Moderate to Severe Pain Due to Osteoarthritis of the Knee

The purpose of this study is to determine the efficacy of ADL5859 versus placebo and ADL5747
versus placebo in relieving pain in participants with osteoarthritis of the knee.


Key Inclusion Criteria:

- a man or woman between 18 and 75 years of age, inclusive

- for women of childbearing potential, be using an insertable, injectable, transdermal,
or combination oral contraceptive deemed highly effective by the United States Food
and Drug Administration from the first dose of study medication through the end of
the study and have negative findings on pregnancy tests performed at screening and
randomization (women who are surgically sterile [for example, hysterectomy, tubal
ligation] or postmenopausal [if ≥55 years old, no menses for at least 2 years; if <55
years old, follicle-stimulating hormone concentrations within the postmenopausal
range of >40 milli-international units per milliliter (mIU/mL) and 17 β-estradiol
levels of <37 picograms per milliliter (pg/mL)] are also eligible to participate)

- for male participants, be surgically sterile or agree to use an appropriate method of
contraception (that is, use a barrier method in conjunction with spermicide or have a
sexual partner who is surgically sterile, postmenopausal, or using an insertable,
injectable, transdermal, or combination oral contraceptive deemed highly effective by
the United States Food and Drug Administration) from the first dose of study
medication through the end of the study

- have a body weight between 45 and 150 kilograms (kg), inclusive

- have had pain in the index knee for at least the past 6 months

- meet the following criteria for osteoarthritis of the knee established by the
American College of Rheumatology (radiographs must have been taken within the last
year; if none is available, a radiograph must be taken and the diagnostic criteria
must be confirmed before the participant is enrolled in the study): have index knee
pain plus at least 1 moderate or definite osteophyte on radiographs. Must also have
at least 1 of the following: be more than 50 years old, have morning stiffness for
less than 30 minutes, or have crepitus on active motion

- have an average weekly pain score of at least 4.00 on the numeric pain rating scale
(NPRS) for the index knee during the baseline week before randomization (to be
eligible for randomization, participants must report their NPRS score via the
interactive voice-response system (IVRS) for at least 4 of the 7 days immediately
before randomization, with the first score being recorded on Day -6)

- if receiving nonselective or selective cyclooxygenase (COX) inhibitors, have a stable
daily dose regimen for at least 4 weeks before screening; if receiving nonselective
or selective COX inhibitors on an as needed basis, have discontinued use by Day -14;
if receiving angiotensin-converting enzyme (ACE) inhibitors, have a stable dose
regimen for at least 4 weeks before screening

Key Exclusion Criteria:

- have undergone arthroscopy on the index knee within 6 months before study entry

- have other severe pain that, in the opinion of the investigator, may impair the
assessment of the pain due to osteoarthritis

- have a history of hypersensitivity or intolerance to opioids (including tramadol and
tapentadol)

- have, as determined by the investigator or the sponsor's medical monitor, a history
or clinical manifestations of significant renal, hepatic, hematologic,
cardiovascular, metabolic, gastrointestinal, neurologic, psychiatric, or another
condition that would preclude participation in the study or affect the outcome of the
study

- have taken oral or intramuscular corticosteroids within 30 days before study entry
(inhaled or topical corticosteroids are permitted)

- have received intra-articular injections of corticosteroids into the index joint
within 12 weeks before screening

- have received intra-articular injections of hyaluronic acid into the index joint
within 24 weeks before screening

- currently taking medications other than nonsteroidal anti-inflammatory drugs
prescribed for chronic pain (such as duloxetine or pregabalin)
We found this trial at
11
sites
Daytona Beach, Florida 32117
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Daytona Beach, FL
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99 N. Brice Rd
Columbus, Ohio 43068
614-501-6164
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Columbus, OH
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Anderson, South Carolina 29621
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Anderson, SC
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Chicago, IL
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Gurnee, IL
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Mt Gilead, Ohio 43338
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Mt Gilead, OH
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Salisbury, North Carolina 28144
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Salisbury, NC
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San Antonio, Texas 78209
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San Antonio, TX
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Stockbridge, Georgia 30281
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Stockbridge, GA
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Toledo, OH
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Wilmington, North Carolina 28401
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Wilmington, NC
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