Bone Degenerative Changes, Degenerative Disorder of Bone, Osteoarthritis
Conditions
Keywords
Bone, Morphogenetic, Protein, Ilizarow, Autologous, Osteoarthritis
Brief summary
Results of growth factors indicate that Bone Morphogenetic Proteins (BMP) have an exceptional ability to stimulate different characteristics of mesenchymale cells to osseous cells. Local application of BMP results in an increase of osseous tissue regardless of the location of the growth factor. 5 years clinical studies show that BMP's can stimulate an increase of osseous tissue and improve clinical results when autologous bone graft is reduced or removed. The purpose of this study is to examine whether recombinant growth factor BMP-2 can replace autologous bone graft in order to stimulating ossification during transplantation of osseous tissue.
Interventions
12 mg recombinant BMP-2 combined with an injection of 1-2 g collagen type 1.
Autologous bone graft in connection with bone docking operation.
Sponsors
Study design
Eligibility
Inclusion criteria
* Hospitalised for autologous bone graft based on Ilizarow treatment. * Age between 20 and 70 years.
Exclusion criteria
* Rheumatoid osteoarthritis * Malignant disease * Current hormone treatment (glucocorticoid, parathyreoidea, thyreoidea) * Pregnancy * Abuse of drugs and alcohol * Need of long-term NSAID treatment * Breastfeeding women
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Visible radiological signs of healing after 6 months. | An expected average of 6 months | Radiological signs of healing is a criteria for a successful result. Failure of healing after 6 months and/or a need for stimulant bone healing intervention can result in: * Dynamic measurement af immobilization * Ultrasound stimulation * Re-surgery with application of bone graft or bone replacement |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| Change in serologic bone markers | An expected average of 6 months | Blood tests will be analyzed 1,2,3,4,6,9 and 12 months after operation in order to registrating a change in serologic bone markers. |
Countries
Denmark