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Proximal Versus Distal Adductor Canal Blocks for Total Knee Arthroplasty

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Benaroya Research Institute

Status

Completed

Conditions

Post-Operative Pain

Treatments

Procedure: Proximal Adductor Canal Block
Procedure: Distal Adductor Canal Block

Study type

Interventional

Funder types

Other

Identifiers

NCT02701114
IRB15118

Details and patient eligibility

About

This study is designed to evaluate pain control of continuous adductor canal blocks placed proximally versus distally within the canal. The investigators hypothesize that there will be similar pain control between both groups.

Full description

This study is a non-inferiority trial designed to determine whether placement of a continuous block within the adductor canal has a substantial impact on pain following total knee arthroplasty. Our primary outcome to determine this difference will be opioid consumption within the first day following surgery. Secondary outcomes will include: pain scores, quadriceps strength, and distance ambulated during physical therapy.

Enrollment

76 patients

Sex

All

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Unilateral Total Knee Arthroplasty
  • ASA physical status I-III
  • >18 years old
  • Non-pregnant
  • Consent to participate in the study

Exclusion criteria

  • Refusal to participate
  • <18 years old
  • Chronic opioid use
  • Localized infection Pregnancy Pre-existing coagulopathy Allergy to ultrasound gel or local anesthetics Contraindication to or refusal of spinal anesthetic

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Double Blind

76 participants in 2 patient groups

Proximal
Active Comparator group
Description:
Proximal Adductor Canal Block
Treatment:
Procedure: Proximal Adductor Canal Block
Distal
Active Comparator group
Description:
Distal Adductor Canal Block
Treatment:
Procedure: Distal Adductor Canal Block

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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