Overview

A Study Comparing the Effectiveness and Safety of Extended Release Tramadol Versus Placebo for the Treatment of Osteoarthritis (OA) of the Knee

Status:
Completed
Trial end date:
2001-07-01
Target enrollment:
0
Participant gender:
All
Summary
The purpose of this study is to compare the analgesic effectiveness and safety of tramadol HCl ER to placebo in patients with moderate to severe pain due to osteoarthritis (OA). The study hypothesis is that tramadol HCl ER is effective and safe in the treatment of OA.
Phase:
Phase 3
Accepts Healthy Volunteers?
No
Details
Lead Sponsor:
Bausch Health Americas, Inc.
Valeant Pharmaceuticals International, Inc.
Treatments:
Tramadol
Criteria
Inclusion Criteria:

- Patients with American College of Rheumatology (ACR) Functional Class I-III OA of the
knee; involvement of at least one knee joint that warrants treatment with NSAIDs,
acetaminophen, or opioid analgesics for at least 75 of the 90 days preceding the
screening visit; patients with radiographic evidence of osteoarthritis within the last
6 months; patients with a pain intensity in index joint > = 40 mm on the visual analog
scale (VAS) at the baseline visit; patients who are able to discontinue NSAIDs, COX-2
selective inhibitors, and other analgesics during the washout period and throughout
double-blind study.

Exclusion Criteria:

- Patients with a medical condition, other than OA, uncontrolled with treatment or any
clinically significant condition that, in the investigator's opinion, precludes study
participation or interferes with the assessment of chronic pain and other OA symptoms;
patients with a diagnosis of inflammatory arthritis, gout, pseudo-gout or Paget's
disease, that, in the investigator's opinion, interferes with the assessment of pain
and other symptoms of OA; patients with a diagnosis of chronic pain syndrome, patients
with an ACR or a clinical diagnosis of fibromyalgia; patients with a clinically
significant form of joint disease or prior joint replacement surgery at the index
joint; patients with an anticipated need for surgery or other invasive procedure in
the index joint.