Reducing Perioperative Oxidative Stress to Prevent Postoperative Chronic Pain Following Total Knee Arthroplasty

Trial statusRecruiting
Trial phasePhase 4
Trial typeInterventional
Biological sexAll
Age50+
SponsorVanderbilt University Medical Center

About this trial

This is a prospective randomized controlled trial that will assess preoperative, perioperative, and long-term oxidative stress (OS); pain; and functional outcomes over a 12 month period and test the hypothesis that a potent antioxidant intervention (glycine + N-acetyl-cysteine(GlyNAC)) reduces oxidative stress and chronic post surgical pain (CPSP) in patients undergoing total knee arthroplasty (TKA).

Eligibility criteria

Qualifiers

Age 50 or older

Intact cognitive status and ability to provide informed consent (based on cognitive screening with the Mini Mental State Examination)

Ability to read and write in English sufficiently to understand and complete study questionnaires

Undergoing unilateral primary TKA

Disqualifiers

Diagnosis of pre-existing neuropathy

Untreated hypo/hyperthyroidism

Untreated heart disease

Alanine transaminase/aspartate transaminase >2x upper-limit of normal range

Trial design

Treatments tested in this trial

  • GlyNAC (combination of glycine and n-acetylcysteine)
  • Placebo

Treatment groups

148 Participants
are divided into 2 treatment groups

Sponsors and collaborators

Vanderbilt University Medical Center

Lead sponsor

National Institute on Aging (NIA)

Collaborator