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Evidence For Fusion In Spine With Orthoss®

Evidence For Fusion In Spine With Orthoss®

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ClinicalTrials.gov
Registry ID
NCT03853356
Acronym
EFFISO
Enrollment
65
Registered
2019-02-25
Start date
2019-01-18
Completion date
2026-12-01
Last updated
2026-09-11

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Lumbar Disc Degeneration, Lumbar Spinal Stenosis, Lumbar Spondylolisthesis Involving L4-L5, Lumbar Spondylolisthesis Involving L5-S1

Brief summary

This study aims to evaluate the performance and safety of the Orthoss® as a bone graft extender in lumbar spondylodesis involving 1-2 levels (L4-L5 and/or L5-S1).

Detailed description

This clinical investigation is a prospective, non-interventional, uncontrolled clinical trial, organized to generate clinical data on performance and safety of Orthoss® as a bone graft extender mixed with local bone at ratio of 1:1 and pedicle bone marrow aspirate in lumbar spondylodesis involving 1-2 levels. (Orthoss® is CE marked for this indication). If you as a patient have a wear and tear disease of the spine, an operation serves to restore the stability of the spinal column. In order to promote a bony build-up of the lumbar spine segment (fusion), bone replacement material is used in your case as standard. The aim of this observational study is to determine fusion in order to address clinical performance of that bone replacement material.

Interventions

DEVICEOrthoss

Orthoss® granules. Orthoss® granules mixed with local bone and pedicle bone marrow aspirate.

Sponsors

Geistlich Pharma AG
Lead SponsorINDUSTRY

Study design

Observational model
CASE_ONLY
Time perspective
PROSPECTIVE

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
Yes

Inclusion criteria

* The patient (male or female) must be 18 years or older * The patient must be a candidate diagnosed with either degenerative disc disease including 1-2 level (L4-L5 and/or L5-S1) or dysplasic spondylolisthesis (degree 1 or 2) or lumbar stenosis * If the patient is of child-bearing potential, the patient confirms not to be pregnant * The patient is able to comply with the clinical investigation-related procedures such as attending all follow-up procedures * The patient is able to fully understand the nature of the proposed surgery and is able to provide a signed informed consent including the use of the anonymized data for scientific publication * The patient will not participate in another clinical investigation during this clinical investigation

Exclusion criteria

* General contraindications for surgical treatment are present * The patient has a history of malignancy, radiotherapy, or chemotherapy for malignancy within the past five years * The patient is currently being treated with radiation, chemotherapy, immunosuppression or steroid therapy dose equivalent of more than 5mg prednisolon * The patient is pregnant or nursing * Women of childbearing age who are not using a highly effective method of birth control * The patient has acute or chronic infection at the surgical site * The patient has a known allergy to bovine bone material * The patient has a medical history of alcohol or drug abuse within the last year prior to the screening examination * Vulnerable population * Patient is currently participating, or has participated in another clinical investigation within 6 months

Design outcomes

Primary

MeasureTime frameDescription
Fusion rate6 monthsSuccessful fusion should be based on the translational motion \< 3mm as well as on the angular motion \< 5° at 6 months.

Secondary

MeasureTime frameDescription
Clinical Outcome Measure - Quality of Life: Oswestry Low Back Disability Index1-4 weeks; 3, 6, 12 and 24 monthsImprovement in Oswestry Low Back Disability Index (ODI) of 15 or more at 24 months from the pre-operative value.Zero is equated with no disability and 100 is the maximum disability possible.
Clinical Outcome Measure - Leg pain1-4 weeks, 3,6,12 and 24 monthsDecrease in Visual Analog Scale for Pain (VAS) for leg by 3/10 or more at 24 months from the pre-operative value. Patients rated their leg pain intensity on a scale from 0-10, with a score of 0 representing "no pain" and a score fo 10 representing "pain as bad as it could be".
Clinical Outcome Measure - Back pain1-Decrease in Visual Analog Scale for Pain (VAS) for back by 3/10 or more at 24 months from the pre-operative value. Patients rated their back pain intensity on a scale from 0-10, with a score of 0 representing "no pain" and a score fo 10 representing "pain as bad as it could be".

Countries

Germany

Contacts

STUDY_DIRECTORFabiana Martinelli

Geistlich Pharma AG

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Sep 12, 2026