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Biological Allograft Chain Tissue Implant

L

Lenoss Medical

Status

Unknown

Conditions

Vertebral Body Compression Fracture(s)

Treatments

Device: Manual Surgical Instruments
Procedure: Vertebral Body Augmentation

Study type

Interventional

Funder types

Industry

Identifiers

NCT04064710
SP-18-001

Details and patient eligibility

About

A prospective, multi-center study evaluating allograft tissue as a bone void filler when implanted with Lenoss Medical manual surgical instrumentation in patients with painful vertebral compression fractures.

Full description

Vertebral compression fractures can be associated with instability and severe, persistent pain and limitation of activities. This post market study is being conducted to assess fracture stability over time.

Enrollment

26 estimated patients

Sex

All

Ages

50+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  1. Skeletally mature adult ≥ 50 years of age at the time of surgery;
  2. Currently in an independent living environment;
  3. One- or two- level, acute (within six weeks of injury), thoracic or lumbar (T6-L5) vertebral body compression fracture(s) with evidence of marrow edema by MRI/CT;
  4. Adequate vertebral body height and geometry for insertion of the access instruments, as determined by the investigator and suitable candidate for standard kyphoplasty or vertebroplasty procedure;
  5. VAS back pain score ≥ 70 mm on a 100 mm scale;
  6. Has central pain over the spinous process upon palpation at the planned vertebral index level;
  7. Has failed prior non-surgical medical management (i.e. - physical therapy, narcotic and/or non-narcotic medication)
  8. Psychosocially, mentally and physically able to fully comply with this protocol including adhering to scheduled visits, treatment plan, completing forms, and other study procedures;
  9. Personally signed and dated informed consent document prior to any study-related procedures indicating that the patient has been informed of all pertinent aspects of the study.

Exclusion criteria

  1. More than two levels with a vertebral compression fracture;
  2. Previous treated or untreated vertebral compression fracture at the to be treated level(s);
  3. Uncorrectable coagulopathy;
  4. Previous instrumented spinal surgery;
  5. Significant vertebral collapse defined as > 70% of original vertebral height, or a burst, or pedicle fracture;
  6. Degenerative scoliosis, defined as Cobb angle > 20° at any level;
  7. Pre-existing neurological deficit or radicular pain that is not well defined or unstable;
  8. Disabling back pain secondary to causes other than acute fracture;
  9. Inability to walk or stand prior to sustaining the vertebral compression fracture;
  10. Active systemic or local infection;
  11. Known history of Paget's disease, osteomalacia, or any other metabolic bone disease;
  12. Morbid obesity defined as a body mass index > 40 kg/m2;
  13. Active malignancy. A patient with a history of any invasive malignancy (except nonmelanoma skin cancer), unless treated with curative intent and there has been no clinical signs or symptoms of the malignancy for more than 5 years;
  14. Current or recent history (within last 2 years) of substance abuse (e.g., recreational drugs, narcotics, or alcohol);
  15. Currently involved in study of another investigational product that may affect outcome;
  16. History of psychosocial disorders that could prevent accurate completion of self reporting assessment scales;
  17. Pregnant or planning to become pregnant during the study period;
  18. Involved in active spinal litigation;
  19. Involved in a workers compensation case;
  20. Prisoner or ward of the state;
  21. Unable to undergo a MRI/CT procedure.

Trial design

Primary purpose

Treatment

Allocation

N/A

Interventional model

Single Group Assignment

Masking

None (Open label)

26 participants in 1 patient group

Allograft Tissue
Other group
Description:
Allograft tissue product for patients with painful vertebral compression fractures
Treatment:
Device: Manual Surgical Instruments
Procedure: Vertebral Body Augmentation

Trial contacts and locations

5

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Central trial contact

Dom Messerli

Data sourced from clinicaltrials.gov

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