NCT05237908

Brief Summary

Prospective, Randomized, Single-Blind Study for the Evaluation of the Clinical Outcome and the Fusion Rate of 3D Printed Interbody Fusion Cages and Titanium Coated PEEK Cages in Transforaminal Lumbar Interbody Fusion

Trial Health

75
On Track

Trial Health Score

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

Enrollment
78

participants targeted

Target at P50-P75 for all trials

Timeline
28mo left

Started Feb 2022

Longer than P75 for all trials

Geographic Reach
1 country

1 active site

Status
active not 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 Progress65%
Feb 2022Aug 2028

First Submitted

Initial submission to the registry

February 3, 2022

Completed
11 days until next milestone

First Posted

Study publicly available on registry

February 14, 2022

Completed
4 days until next milestone

Study Start

First participant enrolled

February 18, 2022

Completed
1.3 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

May 22, 2023

Completed
5.2 years until next milestone

Study Completion

Last participant's last visit for all outcomes

August 1, 2028

Expected
Last Updated

June 26, 2025

Status Verified

June 1, 2025

Enrollment Period

1.3 years

First QC Date

February 3, 2022

Last Update Submit

June 25, 2025

Conditions

Keywords

Transforaminal lumbar interbody fusion

Outcome Measures

Primary Outcomes (1)

  • Clinical outcome measured with the Oswestry Disability Index

    The Oswestry Disability Index is designed to measure back-specific disability. The questionnaire is self-administered and has 10 items concerning pain and activities of daily living including personal care, lifting, walking, sitting, standing, sleeping, sex life, social life and travelling. It is a self-administered questionnaire Each section is scored on a 0-5 scale, 5 is for maximum disability. The index is calculated by dividing the total score by the total possible score, which is multiplied by 100 and expressed as a percentage. The scores for all questions answered are summed, then multiplied by two to obtain the index (range 0 to 100). Zero is equated with no disability and 100 is the maximum disability possible.

    1 year postoperatively

Secondary Outcomes (7)

  • Clinical improvement: pain

    preoperatively, at 3 months, 1 year, 2 years and 5 years postoperatively

  • Development Quality of life (EQ-5D-5L)

    preoperatively, at 3 months, 1 year, 2 years and 5 years postoperatively

  • Radiological outcome: Fusion

    1 year postoperatively

  • Radiological outcome: Implant subsidence

    1 year postoperatively

  • Radiological outcome: Implant migration

    1 year postoperatively

  • +2 more secondary outcomes

Other Outcomes (5)

  • Duration of surgery

    Intraoperative

  • Blood loss

    intraoperative

  • Length of hospital stay

    up to patient's discharge from hospital (approximately 5 days postoperatively)

  • +2 more other outcomes

Study Arms (2)

TSPACE 3D

the 3D printed cage (TSPACE 3D) is defined as investigational product

Device: Transforaminal Lumbar Interbody Fusion

TSPACE XP

the titanium coated PEEK cage (TSPACE XP) is defined as reference product.

Device: Transforaminal Lumbar Interbody Fusion

Interventions

Interbody Fusion means the operative immobilization or ankylosis of two or more vertebrae by fusion of the vertebral bodies with a short bone graft or often with diskectomy or laminectomy. (From Blauvelt and Nelson, A Manual of Orthopaedic Terminology, 5th ed, p236; Dorland, 28th ed

TSPACE 3DTSPACE XP

Eligibility Criteria

Age18 Years - 79 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)
Sampling MethodProbability Sample
Study Population

Patients will be recruited consecutively. No selection besides the inclusion and exclusion criteria will take place.

You may qualify if:

  • Indication for one, two or three-segment lumbar interbody fusion according to Instructions for use
  • Written informed consent for the documentation of clinical and radiological results
  • Willingness and mental ability to participate at the follow-up examinations

You may not qualify if:

  • Patient is not willing or able to participate at the follow-up examination
  • Patient age \< 18 years and \>80 years
  • Patient is pregnant
  • Previous instrumented lumbar spine surgery

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

BG Unfallklinik Frankfurt am Main

Frankfurt am Main, Hesse, 60389, Germany

Location

MeSH Terms

Conditions

Intervertebral Disc DegenerationSpondylolisthesis

Condition Hierarchy (Ancestors)

Spinal DiseasesBone DiseasesMusculoskeletal DiseasesSpondylolysisSpondylosis

Study Design

Study Type
observational
Observational Model
CASE CONTROL
Time Perspective
PROSPECTIVE
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

February 3, 2022

First Posted

February 14, 2022

Study Start

February 18, 2022

Primary Completion

May 22, 2023

Study Completion (Estimated)

August 1, 2028

Last Updated

June 26, 2025

Record last verified: 2025-06

Data Sharing

IPD Sharing
Will not share

Locations