NCT04246944

Brief Summary

Bone reconstruction in critical sized defect (CSD) remains a real challenge in orthopedic surgery in children and adults. The Masquelet technique is an innovative therapeutic technique, which offers a bone reconstruction in two steps, by the formation of an induced membrane (IM) around a polymethylmethacrylate (PMMA) spacer placed into the bone defect. After, PMMA removal, the cavity is filled with corticocancellous graft allowing bone healing. Up to date, all angiogenesis and osteogenic properties of IM remain unknown. The purpose of this study is to characterize angiogenesis and osteogenic properties of IM in children and adults.

Trial Health

77
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
44mo left

Started May 2019

Longer than P75 for not_applicable

Geographic Reach
1 country

1 active site

Status
recruiting

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 Progress66%
May 2019Jan 2030

Study Start

First participant enrolled

May 23, 2019

Completed
8 months until next milestone

First Submitted

Initial submission to the registry

January 17, 2020

Completed
12 days until next milestone

First Posted

Study publicly available on registry

January 29, 2020

Completed
9.9 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

January 1, 2030

Expected
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

January 1, 2030

Last Updated

June 8, 2025

Status Verified

June 1, 2025

Enrollment Period

10.6 years

First QC Date

January 17, 2020

Last Update Submit

June 5, 2025

Conditions

Keywords

induced membranecritical size defect

Outcome Measures

Primary Outcomes (1)

  • Measure of the BMP2 concentration of the induced membrane by immunodetection

    Measure of the osteogenic property of the induced membrane will be made after harvesting the induced membrane

    one year (one year from day of surgery)

Secondary Outcomes (2)

  • BMP2 concentration of the induced membrane implanted in adults measured by immunodetection

    one year (one year from day of surgery)

  • BMP2 concentration of the induced membrane implanted in children measured by immunodetection

    one year (one year from day of surgery)

Interventions

The induced membrane will be harvested during the second step of the bone reconstruction.

Eligibility Criteria

Age9 Months - 60 Years
Sexall
Healthy VolunteersNo
Age GroupsChild (0-17), Adult (18-64)

You may qualify if:

  • All patients treated at CHU Amiens-Picardie for bone critical sized defect treated using the induced membrane reconstruction technique.
  • patients from 9 months to 60 years old

You may not qualify if:

  • Patients managed by another reconstruction technique for critical sized defect
  • Patients under guardianship, curators or deprived of liberty.
  • Pregnant and nursing women.
  • Patients who refused to participate in the study and to sign informed consent.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

CHU Amiens

Amiens, 80054, France

RECRUITING

MeSH Terms

Conditions

Bone Diseases, Metabolic

Condition Hierarchy (Ancestors)

Bone DiseasesMusculoskeletal DiseasesMetabolic DiseasesNutritional and Metabolic Diseases

Study Officials

  • Céline Klein, MD

    CHU Amiens

    PRINCIPAL INVESTIGATOR

Central Study Contacts

Study Design

Study Type
interventional
Phase
not applicable
Allocation
NA
Masking
NONE
Purpose
OTHER
Intervention Model
SINGLE GROUP
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

January 17, 2020

First Posted

January 29, 2020

Study Start

May 23, 2019

Primary Completion (Estimated)

January 1, 2030

Study Completion (Estimated)

January 1, 2030

Last Updated

June 8, 2025

Record last verified: 2025-06

Data Sharing

IPD Sharing
Will not share

Locations