NCT03905174

Brief Summary

The study will review the use of massive segmental replacements in the femur, which have a porous collar with and without HA, and autologous stem cell augment. This is a randomised controlled trial.

Trial Health

43
At Risk

Trial Health Score

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

Trial has exceeded expected completion date
Enrollment
30

participants targeted

Target at below P25 for not_applicable

Timeline
Completed

Started Sep 2018

Longer than P75 for not_applicable

Geographic Reach
1 country

1 active site

Status
unknown

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

September 20, 2018

Completed
4 months until next milestone

First Submitted

Initial submission to the registry

January 30, 2019

Completed
2 months until next milestone

First Posted

Study publicly available on registry

April 5, 2019

Completed
5.7 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 31, 2024

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

December 31, 2024

Completed
Last Updated

June 7, 2022

Status Verified

June 1, 2022

Enrollment Period

6.3 years

First QC Date

January 30, 2019

Last Update Submit

June 6, 2022

Conditions

Keywords

revision surgery

Outcome Measures

Primary Outcomes (3)

  • Radiological outcomes (X-ray, CT)

    radiological outcomes to determine integration of implant into bone - bone growth

    at 26 weeks (+/- 2 weeks)

  • Radiological outcomes (X-ray, CT)

    radiological outcomes to determine integration of implant into bone - bone growth

    at 1 year (+/- 2 weeks)

  • Radiological outcomes (X-ray, CT)

    radiological outcomes to determine integration of implant into bone - bone growth

    at 2 years (+/- 2 weeks)

Secondary Outcomes (1)

  • Visual Analogue Score (VAS) pain score

    up to 2 years (+/- 2 weeks)

Study Arms (3)

Standard treatment

ACTIVE COMPARATOR

A porous collar for either distal or proximal femoral replacements

Device: custom made device

standard treatment + HA

ACTIVE COMPARATOR

A porous collar with hydroxyapatite (HA) for either distal or proximal femoral replacements

Device: custom made device

standard treatment + HA + autogenic cells

ACTIVE COMPARATOR

A porous collar with hydroxyapatite (HA) and stem cells for either distal or proximal femoral replacements

Device: custom made device

Interventions

surgical intervention to place custom made orthopaedic device

Also known as: custom orthopaedic implantable device
Standard treatmentstandard treatment + HAstandard treatment + HA + autogenic cells

Eligibility Criteria

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

You may qualify if:

  • Bone cancer patients requiring primary or revision femoral segmental replacements and non-cancer patients requiring revision femoral segment replacement for aseptic loosening
  • Male or female, aged 18 years or above
  • Able to provide consent

You may not qualify if:

  • unable/unwilling to consent
  • revisions surgery due to infection
  • bone cancer patients excluded from stem cell arm
  • bone cancer patients with pathological fractures

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Royal National Orthopaedic Hospital NHS Trust

London, Middx, HA7 4LP, United Kingdom

RECRUITING

MeSH Terms

Conditions

Bone NeoplasmsBone Diseases

Condition Hierarchy (Ancestors)

Neoplasms by SiteNeoplasmsMusculoskeletal Diseases

Study Officials

  • Panos Gikas, PhD FRCS

    Royal National Orthopaedic Hospital NHS Trust

    PRINCIPAL INVESTIGATOR

Central Study Contacts

Panos Gikas, PhD FRCS

CONTACT

Esther Hanison, BSc

CONTACT

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
SINGLE
Who Masked
OUTCOMES ASSESSOR
Purpose
PREVENTION
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
SPONSOR INVESTIGATOR
PI Title
Head of Research & Innovation

Study Record Dates

First Submitted

January 30, 2019

First Posted

April 5, 2019

Study Start

September 20, 2018

Primary Completion

December 31, 2024

Study Completion

December 31, 2024

Last Updated

June 7, 2022

Record last verified: 2022-06

Locations