Healthy volunteers, age ≥18. Will perform all the same pain assessments, blood sampling and baseline fMRI as RA patients

Exclusion criteria:

For fMRI - left handedness and all forms of metallic implants.

  • Fulfilling ACR criteria for fibromyalgia.
  • Severe ischemic heart disease.
  • Concurrent treatment for depression/anxiety with antidepressant drugs.
  • Concurrent neurological disease.
  • Other reason as evaluated by the P.I.

Read more: http://www.clinicaltrials.gov/ct2/show/NCT01197144?cond=%22Arthritis%22&lup_s=07/28/2011&lup_d=30