NCT05248308

Brief Summary

This study seeks to evaluate the safety and efficacy of genicular artery embolization (GAE) as a treatment for patients with chronic pain following primary total knee arthroplasty (TKA) or revision TKA at 6 months as measured by the Knee Injury and Osteoarthritis Outcome Score (KOOS).

Trial Health

30
At Risk

Trial Health Score

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

Trial has exceeded expected completion date
Timeline
Completed

Started Jul 2022

Geographic Reach
1 country

1 active site

Status
withdrawn

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

Trial Relationships

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Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

February 10, 2022

Completed
11 days until next milestone

First Posted

Study publicly available on registry

February 21, 2022

Completed
4 months until next milestone

Study Start

First participant enrolled

July 1, 2022

Completed
1 year until next milestone

Primary Completion

Last participant's last visit for primary outcome

July 1, 2023

Completed
2 months until next milestone

Study Completion

Last participant's last visit for all outcomes

September 1, 2023

Completed
Last Updated

March 9, 2023

Status Verified

March 1, 2023

Enrollment Period

1 year

First QC Date

February 10, 2022

Last Update Submit

March 7, 2023

Conditions

Outcome Measures

Primary Outcomes (1)

  • KOOS - Pain subscale KOOS Scale - Pain

    Estimate the effect of genicular artery embolization on the change in knee pain, as assessed by the KOOS, at 6 months post vs. pre-intervention, in patients with chronic knee pain following TKA

    6 months

Secondary Outcomes (5)

  • VAS Scale

    6 months

  • Analgesic Utilization

    6 months

  • KOOS - Non-Pain Components

    6 months

  • MHI-5

    6 months

  • CRP & IL-6

    6 months

Study Arms (1)

Genicular artery embolization

EXPERIMENTAL

Study participants will undergo genicular artery embolization (GAE) for treatment of chronic moderate to severe pain following knee arthroplasty or revision arthroplasty. Embolization will be performed using Embozene Microspheres.

Device: Embozene Microspheres

Interventions

Embozene Microspheres are manufactured by Varian Medical Systems (Palo Alto, CA). These microspheres are non-resorbable hydrogel microspheres coated with polyzene-F. Embozene microspheres are approved for use in treating arteriovenous malformations, hypervascular tumors such as uterine fibroids and hepatomas, and prostatic arteries in patients with benign prostatic hyperplasia. One of the causes of chronic pain in the setting of a knee arthroplasty may be increased blood flow to the specific area(s) of pain. The purpose of this procedure is to reduce blood flow (embolize) to specific parts of the knee which are contributing to your pain. This procedure is performed by infusing the Embozene particles into specific knee arteries (genicular arteries) in the region of knee pain.

Genicular artery embolization

Eligibility Criteria

Age40 Years - 80 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Ambulatory
  • History of total knee arthroplasty or revision arthroplasty in the symptomatic knee
  • Moderate to severe knee pain: pain VAS ≥50 mm
  • Knee pain resistant to at least 3 months of conservative therapy including pharmacologic therapy or intra-articular injection.
  • Absence of pregnancy at time of screening as determined by urine HCG
  • Provision of signed and dated informed consent form
  • Willing, able, and mentally competent to provide informed consent and to tolerate angiography, US, and MRI.

You may not qualify if:

  • An individual who meets any of the following criteria will be excluded from participation in this study:
  • History of severe peripheral arterial disease symptoms including claudication, diminished or absent lower extremity pulses, leg numbness or weakness or known arterial atherosclerosis or occlusion that would limit selective angiography
  • History of inflammatory arthropathy such as rheumatoid arthritis, spondyloarthropathies, crystal disease, gout, pseudogout, or lupus
  • Presence of non-MRI compatible devices (e.g., cardiac pacemaker).
  • Known history of anaphylaxis to iodinated or gadolinium-based contrast agents
  • BMI greater than 50
  • Renal dysfunction as defined by serum creatinine \>1.6 dl/mg or eGFR \<60 obtained within 30 days of procedure.
  • Uncorrectable coagulopathy (platelet count \< 50,000, international normalized ratio \>1.5 within 30 days of procedure
  • Active systemic or local knee infection
  • Pregnant or intent to become pregnant during the study

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Brigham & Women's Hospital

Boston, Massachusetts, 02115, United States

Location

MeSH Terms

Conditions

Arterial Occlusive Diseases

Condition Hierarchy (Ancestors)

Vascular DiseasesCardiovascular Diseases

Study Officials

  • Yan Epelboym, MD, MPH

    Brigham and Women's Hospital

    PRINCIPAL INVESTIGATOR
0

Study Design

Study Type
interventional
Phase
not applicable
Allocation
NA
Masking
NONE
Purpose
TREATMENT
Intervention Model
SINGLE GROUP
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Principal Investigator

Study Record Dates

First Submitted

February 10, 2022

First Posted

February 21, 2022

Study Start

July 1, 2022

Primary Completion

July 1, 2023

Study Completion

September 1, 2023

Last Updated

March 9, 2023

Record last verified: 2023-03

Locations