NCT04905394

Brief Summary

Bone marrow lesions (BMLs) of the knee are common subchondral defects, often associated with pain and functional limitation. Subchondroplasty is a percutaneous procedure in which calcium phosphate is injected inside BML areas, ensuring stability and promoting the deposition of new bone. Primary outcome of this study was to obtain a reduction of the Numeric Rating Scale score of 4 points or more at 6 months follow-up in more than 75% of patients. The secondary outcome was to evaluate the osteoarthritic and bone marrow structure evolution in the months after the procedure.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
50

participants targeted

Target at P25-P50 for not_applicable

Timeline
Completed

Started Apr 2017

Longer than P75 for not_applicable

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

April 1, 2017

Completed
2.8 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

January 30, 2020

Completed
1 year until next milestone

Study Completion

Last participant's last visit for all outcomes

January 30, 2021

Completed
4 months until next milestone

First Submitted

Initial submission to the registry

May 18, 2021

Completed
9 days until next milestone

First Posted

Study publicly available on registry

May 27, 2021

Completed
Last Updated

May 27, 2021

Status Verified

May 1, 2021

Enrollment Period

2.8 years

First QC Date

May 18, 2021

Last Update Submit

May 26, 2021

Conditions

Outcome Measures

Primary Outcomes (1)

  • Pain reduction

    Pain reduction of 4 points in numeric rating score

    6 months

Secondary Outcomes (1)

  • Radiological evaluation

    6 months

Study Arms (1)

Treatment with subchondroplasty for bone edema in the knee

EXPERIMENTAL

Patients treated with subchondroplasty for bone edema of the knee

Procedure: subchondroplasty

Interventions

subchondroplasty is an innovative percutaneous procedure in which calcium phosphate, biocompatible material similar to the native bone apatite with osteoinductive properties, is injected inside BML areas. The purpose of subchondroplasty is the patient's symptoms relief, improving the mechanical strength of subchondral bone, stimulating bone remodeling to avoid bone sagging, and slow down the arthritic degenerative process to postpone arthroplasty.

Treatment with subchondroplasty for bone edema in the knee

Eligibility Criteria

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

You may qualify if:

  • Atraumatic knee pain for at least 3 months;
  • Failure of conservative treatment (including NSAIDs, physical therapy, intra- articular injection with steroids or hyaluronic acid and bisphosphonates);
  • Mild to moderate osteoarthritis (Kellgren-Lawrence18 grade ≤ 3)
  • BML on a loading area at MRI imaging (femoral condyles and/or tibial plateau)

You may not qualify if:

  • Knee pain and functional limitation related to other causes like osteonecrosis
  • Fractures or inflammatory arthritis
  • Ligamentous instabilities
  • Malalignment on the coronal axis greater than 10 degrees in varus/valgus
  • Severe tri-compartmental arthritis (Kellgren-Lawrence grade 4)

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Gaetano Pini hospital

Milan, Lombardy, 20122, Italy

Location

Related Publications (1)

  • Randelli P, Compagnoni R, Ferrua P, Ricci M, La Verde L, Mekky AF, De Silvestri A, Menon A. Efficacy of Subchondroplasty in the Treatment of Pain Associated With Bone Marrow Lesions in the Osteoarthritic Knee. Orthop J Sports Med. 2023 May 16;11(5):23259671231163528. doi: 10.1177/23259671231163528. eCollection 2023 May.

Study Officials

  • pietro randelli, prof

    University of Milan

    PRINCIPAL INVESTIGATOR

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
Professor

Study Record Dates

First Submitted

May 18, 2021

First Posted

May 27, 2021

Study Start

April 1, 2017

Primary Completion

January 30, 2020

Study Completion

January 30, 2021

Last Updated

May 27, 2021

Record last verified: 2021-05

Data Sharing

IPD Sharing
Will not share

Researcher will not share data with other organizations

Locations