Eligibility Module

Eligibility Module

The Eligibility Module contains detailed information about who can participate in the clinical trial. This includes eligibility criteria, age restrictions, gender requirements, healthy volunteer status, and study population descriptions, helping researchers understand who is eligible to participate in the study.

Eligibility Module path is as follows:

Study -> Protocol Section -> Eligibility Module

Eligibility Module


Ignite Creation Date: 2025-12-24 @ 2:02 PM
Ignite Modification Date: 2025-12-24 @ 2:02 PM
NCT ID: NCT00568295
Eligibility Criteria: Inclusion Criteria: * Symptomatic idiopathic osteoarthritis of the knee for a minimum of six months duration requiring treatment with either an analgesic or anti-inflammatory agent on a regular basis (greater than or equal to three days/week) for at least three months. * A history of osteoarthritis of the knee characterized by pain of at least a moderate intensity. * Demonstrated radiographic evidence of mild to moderate osteoarthritis based on the Kellgren and Lawrence radiographic entry criteria of grade 2 or 3 osteoarthritis. * Subjects' physical ability was to be either American College of Rheumatology (ACR) Function Class I or II * At the baseline visit, subjects must have reported a maximum pain intensity experienced over the previous 24 hours of at least moderate on a five-point scale of none(0), mild(1), moderate(2), moderately severe(3), or severe(4) in order to be enrolled in the study. Exclusion Criteria: * Medical history, physical examinations, or radiographs suggestive of other types of arthritis, pseudogout, collagen vascular disease or fibromyalgia. * Medical or psychiatric conditions that may influence absorption, metabolism, or excretion of the study medications or interfere with interpretation of adverse reactions to the study drug. * History of allergy, sensitivity, contraindication or non-response to acetaminophen, rofecoxib, or drugs classified as NSAIDs including aspirin. * Use of concomitant medications that might interfere with study drug assessments, including intra-articular corticosteroids. * Signs of active knee inflammation, morning stiffness of greater than 30 minutes duration. * Rheumatoid factor quantitative value greater than or equal to 40 IU/mL or a Westergren erythrocyte sedimentation rate greater than or equal to 40 mm/hour. * ACR functional class III or IV, or unable to walk without assistive devices. * Pregnancy, lactation, or expect to become pregnant within one month of study completion.
Healthy Volunteers: False
Sex: ALL
Minimum Age: 40 Years
Study: NCT00568295
Study Brief:
Protocol Section: NCT00568295