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A Study of ABT-652 in Adults With Osteoarthritis Pain of the Knee

A Global Multicenter, Randomized, Double-Blind, Placebo- and Active-Controlled Study Comparing the Analgesic Efficacy and Safety of ABT-652 to Placebo in Subjects With Osteoarthritis Pain of the Knee

Status
Completed
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT01207115
Enrollment
322
Registered
2010-09-22
Start date
2010-09-30
Completion date
2011-05-31
Last updated
2013-01-07

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Osteoarthritis of the Knee

Brief summary

To compare the analgesic efficacy and safety of ABT-652 administered twice daily (BID) to placebo in subjects with osteoarthritis (OA) of the knee.

Interventions

ABT-652 capsules - twice daily for 8 weeks. The dose of ABT-652 will depend on the Arm

DRUGPlacebo

Placebo capsules - twice daily for 8 weeks

DRUGNaproxen

Naproxen capsules - twice daily for 8 weeks

Sponsors

AbbVie (prior sponsor, Abbott)
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
DOUBLE (Subject, Investigator)

Eligibility

Sex/Gender
ALL
Age
40 Years to 75 Years
Healthy volunteers
No

Inclusion criteria

* History of OA of the knee joint and meeting American College of Rheumatology (ACR) Clinical and Radiographic criteria, * Pain score as required by the protocol at Screening and Baseline * Willing to washout of analgesics and to follow treatment plan, visit schedules and study procedures.

Exclusion criteria

* History of sensitivity to histamine medications, acetaminophen (paracetamol), or non-steroidal anti-inflammatory drugs (NSAIDs) * Active gastrointestinal (GI) disease, GI bleeding or GI ulceration, or history of GI bleeding or GI ulceration in the last 6 months * History of major psychiatric disorders * Diagnosis of rheumatoid arthritis, autoimmune disorder, arthritis other than osteoarthritis involving the study joint, or other painful syndrome that could interfere with the assessment of pain at the study joint * Any cardiac, respiratory, neurological or other medical condition or illness that is not well controlled with treatment

Design outcomes

Primary

MeasureTime frameDescription
24-hour average pain score measured by Visual Analog Scale8 weeksSubject reported pain intensity measured by Visual Analog Scale (0-100)

Secondary

MeasureTime frameDescription
Western Ontario and McMaster (WOMAC™ ) Osteoarthritis subscales, Pain, Physical Function and Stiffness scores8 weeksSelf administered, patient-centered, health status questionnaire
Subject's Global Assessment of Arthritis Status8 weeksSubject reported assessment of arthritis status measured by Visual Analogue Scale (0-100)
Brief Pain Inventory8 weeksSubject reported pain intensity and intereference (scale 0-10)
SF-36v2™ Health Status Survey8 weeksThere is no formal title for this quality of life survey, this is the only name for this measure. Subject reported quality of life survey

Countries

Australia, Canada, Chile, Puerto Rico, United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026