Post-Operative Pain Relief: Zynrelef or Periarticular Injections in RATKA

Summary

Prospective Cohort of patients who are scheduled for a Robot Assisted Total Knee Arthroplasty (RATKA). A prospective survey of patient reported outcome measures (Numeric Rating Scale) will be obtained postoperatively of 72 hours, as well as at the postoperative opioid consumption after 72 hours.

Timeline

Start

2026-07-31

Primary completion

2028-01-31

Completion

2028-02-28

Publications

• Background Joo PY, Chen AF, Richards J, Law TY, Taylor K, Marchand K, Clark G, Collopy D, Marchand RC, Roche M, Mont MA, Malkani AL. Clinical results and patient-reported outcomes following robotic-assisted primary total knee arthroplasty : a multicentre study. Bone Jt Open. 2022 Aug;3(8):589-595. doi: 10.1302/2633-1462.37.BJO-2022-0076.R1.
• Background Salmons HI, Amundson AW, Duncan CM, Larson DR, Mallinger BD, Couch CG, Pagnano MW, Trousdale RT, Abdel MP. Bupivacaine-Meloxicam Extended-Release Solution Compared with a Standard Periarticular Injection in Primary Total Knee Arthroplasty: A Randomized Clinical Trial Showing Similar Efficacy in Postoperative Analgesia. J Bone Joint Surg Am. 2025 Jul 25;107(17):1918-1925. doi: 10.2106/JBJS.25.00086.
• Background Blair HA. Bupivacaine/Meloxicam Prolonged Release: A Review in Postoperative Pain. Drugs. 2021 Jul;81(10):1203-1211. doi: 10.1007/s40265-021-01551-9. Epub 2021 Jul 6.
• Background Dydyk AM, Jain NK, Gupta M. Opioid Use Disorder: Evaluation and Management. 2024 Jan 17. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2026 Jan-. Available from http://www.ncbi.nlm.nih.gov/books/NBK553166/
• Background Cui A, Li H, Wang D, Zhong J, Chen Y, Lu H. Global, regional prevalence, incidence and risk factors of knee osteoarthritis in population-based studies. EClinicalMedicine. 2020 Nov 26;29-30:100587. doi: 10.1016/j.eclinm.2020.100587. eCollection 2020 Dec.

Drugs

Indications