Status:

NOT_YET_RECRUITING

Zynrelef Versus Adductor Canal Block

Lead Sponsor:

University of Miami

Conditions:

Knee Osteoarthritis

Arthritis Knee

Eligibility:

All Genders

18+ years

Phase:

PHASE4

Brief Summary

To compare postoperative MME consumption 72 hours after TKA in patients receiving intraoperative periarticular HTX-011 (Zynrelef) instillation versus adductor canal block.

Eligibility Criteria

Inclusion

  • Patients \> 18 years of age
  • Patients undergoing primary, unilateral total knee arthroplasty
  • Ability to provide informed consent

Exclusion

  • Individuals under the age of 18
  • Pregnant women
  • Prisoners
  • Adults unable to consent
  • American Society of Anesthesiologists Physical Status score greater than 3
  • Patients taking any of the following medications before surgery:
  • Long-acting opioids within 3 days
  • Any opioids taken within 24 hours
  • Bupivacaine HCL within 5 days
  • Chronic opioid use or patients with known or suspected daily use of opioids for seven or more consecutive days within 6 months before their scheduled surgery
  • Illicit drug use determined by social history
  • Alcohol abuse determined by a CAGE Substance Abuse Screening Tool Score of at least two or greater
  • Patients with a known hypersensitivity (e.g., anaphylactic reactions and serious skin reactions) to any local anesthetic agent of the amide-type, NSAIDs, or to any of the other components of ZYNRELEF
  • Patients with a history of asthma, urticaria, or other allergic-type reactions after taking aspirin or other NSAIDs. Severe, sometimes fatal, anaphylactic reactions to NSAIDs have been reported in such patients

Key Trial Info

Start Date :

January 1 2026

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

January 1 2028

Estimated Enrollment :

120 Patients enrolled

Trial Details

Trial ID

NCT07216586

Start Date

January 1 2026

End Date

January 1 2028

Last Update

October 14 2025

Active Locations (1)

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1

University of Miami

Miami, Florida, United States, 33125