Completed PHASE4 INTERVENTIONAL 2-arm NCT04828083

Systemic Lidocaine Versus Ultrasound-guided Adductor Canal Block for Patients Undergoing Total Knee Arthroplasty (ACBSL)

The Efficacy of Systemic Lidocaine Versus Ultrasound-guided Adductor Canal Block for Patients Undergoing Total Knee Arthroplasty: a Randomized, Double-blinded, Non-inferiority Study

Sponsor: Rhode Island Hospital

Conditions Arthroplasty, Replacement, Knee Total Knee Arthroplasty

Interventions Lidocaine IV Saline IV

Updated 7 times since 2021 Last updated: Mar 6, 2026 Started: Mar 1, 2021 Primary completion: Aug 30, 2024 Completion: Sep 2, 2024

This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

This PHASE4 trial investigates Arthroplasty, Replacement, Knee and Total Knee Arthroplasty and is currently completed. Rhode Island Hospital leads this study, which shows 7 recorded versions since 2021 — indicating limited longitudinal coverage. The change history captured here reflects the iterative nature of clinical trial conduct.

Status Flow

Change History

7 versions recorded

Mar 2026 — Present [monthly]

Completed PHASE4

Status: Recruiting → Completed
Sep 2024 — Mar 2026 [monthly]

Recruiting PHASE4
Aug 2024 — Sep 2024 [monthly]

Recruiting PHASE4
Jul 2024 — Aug 2024 [monthly]

Recruiting PHASE4
Nov 2023 — Jul 2024 [monthly]

Recruiting PHASE4

▶ Show 2 earlier versions

Jun 2022 — Nov 2023 [monthly]

Recruiting PHASE4
May 2021 — Jun 2022 [monthly]

Recruiting PHASE4

First recorded

Mar 2021

Trial started

Per CT.gov start date — pre-dates our first snapshot

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

Rhode Island Hospital

Data source: Rhode Island Hospital

For direct contact, visit the study record on ClinicalTrials.gov .

Study Locations

• Providence, United States