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IACS Follow-Up Study

Title A Cross-sectional Observational Study Evaluating the Effect of intra-Articular Steroids or Placebo Previously Injected in the target Knee Joint of Subjects on structural Progression of Knee Osteoarthritis.
Therapeutic Area Osteoarthritis
Principal Investigator Timothy E. McAlindon, MD, MPH
Min Age 45 Years
Gender All
Contact Vivian Deng
617 636-5727


The purpose of the study is to evaluate for long term changes in pain and function in knee osteoarthritis and also to ascertain differences in health care utilization among subjects who participated in the randomized controlled trial on effect of intra-articular steroids on structural progression of knee osteoarthritis (IACS)

Study Details

Inclusion Criteria

  • Subject must have previously enrolled in the study, "Effect of Intra-articular Steoids on Structural Progression of Knee OA: A Randomized Controlled Trial (IACS)"
  • Subject must understand the informed consent form.
  • Subject must be willing to complete questionnaires on the phone

Exclusion Criteria

  • Subjects not previously enrolled in the IACS study

Study Requirements

All encounters with subjects for this study will be via telephone conducted from the Rheumatology Division office, Tufts Medical Center. Research team members will obtain informed consent and sign the, "Research Participant Consent and HIPAA Authorization: Verbal Script" form on behalf of the subject. a Signed copy of this form will be mailed to the subjects for their records. Consent must be obtained from the subjects before participation in the study. Questionnaires will be administered during the telephone encounter and all responses shall be documented in the subject binders. No other procedure is required for this study.