NCT01272921

Brief Summary

The duration of motor block for infragluteal parabiceps sciatic nerve block following total knee replacement may vary between 12-36 hrs depending on the amount of local anesthetic given.

Trial Health

80
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
142

participants targeted

Target at P50-P75 for phase_4

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

November 1, 2010

Completed
2 months until next milestone

First Submitted

Initial submission to the registry

January 7, 2011

Completed
3 days until next milestone

First Posted

Study publicly available on registry

January 10, 2011

Completed
1.6 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

August 1, 2012

Completed
1.6 years until next milestone

Results Posted

Study results publicly available

March 21, 2014

Completed
Last Updated

April 6, 2017

Status Verified

March 1, 2017

Enrollment Period

1.8 years

First QC Date

January 7, 2011

Results QC Date

September 30, 2013

Last Update Submit

March 8, 2017

Conditions

Outcome Measures

Primary Outcomes (1)

  • Duration of Motor and Sensory Block of the Sciatic With 0.5% Bupivacaine and Ropivacaine After Ultrasound-guided Nerve-stimulator-Assisted Needle Positioning Beneath the CIEL

    Subject reported and investigator measured motor and sensory blockade of the sciatic nerve with less than 10ml of 0.5% bupivacaine and ropivacaine after ultrasound-guided nerve-stimulator-assisted needle positioning beneath the common investing external layer (CIEL).

    3 days

Secondary Outcomes (1)

  • Cumulative Probabilities for Needle Positioning Above and Below CIEL.

    1 Day

Study Arms (2)

Bupivacaine

ACTIVE COMPARATOR

Varying does to determine duration of analgesia following a sciatic nerve block

Drug: Bupivacaine

Ropivacaine

ACTIVE COMPARATOR

Varying does to determine duration of analgesia following a sciatic nerve block

Drug: Ropivacaine

Interventions

Varying doses to determine the duration of analgesia

Bupivacaine

Varying doses to determine the duration of analgesia

Ropivacaine

Eligibility Criteria

Age18 Years - 75 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Adult patients (\>18 years of age) who are undergoing elective total knee arthroplasty will be included in the study.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Northwestern University, Feingberg School of Medicine

Chicago, Illinois, 60611, United States

Location

Related Publications (1)

  • Nader A, Kendall MC, De Oliveira GS Jr, Puri L, Tureanu L, Brodskaia A, Asher Y, Parimi V, McCarthy RJ. A dose-ranging study of 0.5% bupivacaine or ropivacaine on the success and duration of the ultrasound-guided, nerve-stimulator-assisted sciatic nerve block: a double-blind, randomized clinical trial. Reg Anesth Pain Med. 2013 Nov-Dec;38(6):492-502. doi: 10.1097/AAP.0b013e3182a4bddf.

MeSH Terms

Interventions

BupivacaineRopivacaine

Intervention Hierarchy (Ancestors)

AnilidesAmidesOrganic ChemicalsAniline CompoundsAmines

Limitations and Caveats

We used 5-mL increments of local anesthetic w/epinephrine between 5-30 mL which may have prevented from identifying more precisely the volume at which onset/duration were similar.

Results Point of Contact

Title
Mark Kendall, M.D.
Organization
Northwestern University

Study Officials

  • Antoun Nader, MD

    Northwestern University Feinberg School of Medicine

    PRINCIPAL INVESTIGATOR

Publication Agreements

PI is Sponsor Employee
Yes

Study Design

Study Type
interventional
Phase
phase 4
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, OUTCOMES ASSESSOR
Purpose
SUPPORTIVE CARE
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Professor in Anesthesiology and Orthopaedic Surgery

Study Record Dates

First Submitted

January 7, 2011

First Posted

January 10, 2011

Study Start

November 1, 2010

Primary Completion

August 1, 2012

Last Updated

April 6, 2017

Results First Posted

March 21, 2014

Record last verified: 2017-03

Locations