Skip to content

Comparing the effectiveness of high-concentrated intraoperative genicular nerve block versus periarticular infiltration in total knee arthroplasty postoperative pain management, a randomized controlled trial

Comparing the effectiveness of high-concentrated intraoperative genicular nerve block versus periarticular infiltration in total knee arthroplasty postoperative pain management, a randomized controlled trial

Status
Recruiting
Phases
Phase 1Phase 2
Study type
Interventional
Source
TCTR
Registry ID
TCTR20250701004
Enrollment
62
Registered
2025-07-01
Start date
2024-07-01
Completion date
Unknown
Last updated
2026-08-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

postoperative pain in total knee arthroplasty genicular nerve block postoperative pain management in total knee arthroplasty

Interventions

In the cGNI group, 6 ml of 20 ml of 0.5% bupivacaine (ASPENTM) undiluted will be administered at each site including superior lateral genicular nerve area, superior medial genicular nerve area, and in
Experimental Drug,Active Comparator Drug
high-concentrated intraoperative genicular nerve infiltration (cGNI),periarticular infiltration (PAI)

Sponsors

Nakornping Hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
40 Years to 80 Years

Inclusion criteria

Inclusion criteria: 1. Patients undergoing unilateral or bilateral total knee arthroplasty (TKA) from July 2024 to April 2026 2. Age 40-80 years old 3. Diagnosed with knee osteoarthritis 4. Chronic knee pain for at least 6 months

Exclusion criteria

Exclusion criteria: 1. Allergic to any of the study drugs 2. Regular opioid use 3. Renal insufficiency 4. Cardiac disease 5. Deep vein thrombosis 6. History of steroid or immunosuppressive drug used within 6 months 7. Diabetes mellitus (HbA1C >7.5 on preadmission testing) 8. Hypercoagulable disorder 9. Previous ipsilateral knee surgery 10. Inability to communicate pain score 11. Declined to participate

Design outcomes

Primary

MeasureTime frame
Pain score at rest 4 hr, 24 hr, 48 hr postoperatively Visual analog scale (VAS) pain score (0-10),Pain score on motion 24 hr, 48 hr postoperatively Visual analog scale (VAS) pain score (0-10)

Secondary

MeasureTime frame
Amount of opioid consumption at 24 hr, 48 hr postoperatively milligram,Time to first rescue opioid request of first rescue opioid hour,Knee range of motion 24 hr, 48 hr postoperatively degree, An average of 3 measurements using goniometer,Length of stay admission days after surgery days,Satisfaction discharge date points 0-10

Countries

Thailand

Contacts

Public ContactPatcha Promlikhitkul

Nakornping Hospital

patcha.pro@yahoo.com053999000

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 10, 2026