Phase 2a Study on Allogeneic Osteoblastic Cells Implantation in Lumbar Spinal Fusion
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The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. |
ClinicalTrials.gov Identifier: NCT02205138 |
Recruitment Status :
Completed
First Posted : July 31, 2014
Last Update Posted : January 29, 2021
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Among existing surgical techniques, spinal fusion is considered as the gold standard to treat a broad spectrum of degenerative spine disorders, including spondylolisthesis and scoliosis, with regard to pain reduction and functional improvement. However, pseudarthrosis and failure to relieve low back pain are unfortunately still frequent, irrespective of the type of procedures and grafts used by the surgeon.
The present Phase 2a study aims at demonstrating the safety and efficacy of ALLOB®, a proprietary population of allogeneic osteoblastic cells, in lumbar spinal fusion.
Condition or disease | Intervention/treatment | Phase |
---|---|---|
Degenerative Disc Disease | Drug: ALLOB® cells with ceramic scaffold | Phase 2 |
Study Type : | Interventional (Clinical Trial) |
Actual Enrollment : | 38 participants |
Allocation: | N/A |
Intervention Model: | Single Group Assignment |
Masking: | None (Open Label) |
Primary Purpose: | Treatment |
Official Title: | A Pilot Phase 2a, Multicentre, Open, Proof-of-concept Study on the Safety and the Efficacy of Allogeneic Osteoblastic Cells (ALLOB®) Implantation in Lumbar Spinal Fusion |
Study Start Date : | October 2014 |
Actual Primary Completion Date : | February 2019 |
Actual Study Completion Date : | January 25, 2021 |

Arm | Intervention/treatment |
---|---|
Experimental: ALLOB® cells with ceramic scaffold
ALLOB® cells with ceramic scaffold Implantation
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Drug: ALLOB® cells with ceramic scaffold
Each patient will undergo a single administration of ALLOB®/ceramic scaffold mix into the lumbar interbody fusion site under anaesthesia |
- Lumbar fusion progression as assessed by CT scan [ Time Frame: 12 months ]
- Functional Disability using Oswestry Disability Index [ Time Frame: 12 months ]
- Potential occurrence of any AE or SAE, related to the product or to the procedure, using patient open non-directive questionnaire, physical examination and laboratory measurements [ Time Frame: 12 months ]
- Pain using a Visual Analogue Scale [ Time Frame: 12 months ]
- Global Disease Evaluation using a Visual Analogue Scale [ Time Frame: 12 months ]
- Functional Disability using Oswestry Disability Index [ Time Frame: 12 months ]
- Lumbar fusion progression as assessed by CT scan [ Time Frame: 12 months ]
- Percentage of patients having a rescue surgery [ Time Frame: 12 months ]
- Potential occurrence of any AE or SAE related to the product or to the procedure [ Time Frame: 36 months ]

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Ages Eligible for Study: | 18 Years to 75 Years (Adult, Older Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Inclusion Criteria:
- Ability to provide a written, dated, and signed informed consent prior to any study related procedure, and to understand and comply with study requirements
- Symptomatic degenerative disc disease of the lumbar spine requiring a single level lumbar fusion (L1-S1)
- Unresponsive to non-operative treatment for at least 6 months
Exclusion Criteria:
- Lumbar disc disease requiring treatment at more than one level
- Previous failed fusion at the involved lumbar level
- Local active or latent infection at the involved lumbar level
- Positive serology for hepatitis B, hepatitis C, HIV
- Current or past medical disease that could interfere with the evaluation of the safety and efficacy, as judged by the investigator

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT02205138
Belgium | |
Investigating site BE01 | |
Brussels, Belgium | |
Investigating site BE03 | |
Brussels, Belgium | |
Investigating site BE05 | |
Brussels, Belgium | |
Investigating site BE02 | |
Charleroi, Belgium | |
Investigating site BE04 | |
Genk, Belgium | |
Investigating site BE08 | |
Kortrijk, Belgium | |
Investigating site BE07 | |
Liège, Belgium | |
Investigating site BE06 | |
Mons, Belgium |
Responsible Party: | Bone Therapeutics S.A |
ClinicalTrials.gov Identifier: | NCT02205138 |
Other Study ID Numbers: |
ALLOB-IF1 |
First Posted: | July 31, 2014 Key Record Dates |
Last Update Posted: | January 29, 2021 |
Last Verified: | January 2021 |
Spinal Fusion Lumbar Interbody Fusion Degenerative Disc Disease Cell Therapy Bone Graft |
Intervertebral Disc Degeneration Spinal Diseases Bone Diseases Musculoskeletal Diseases |