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Demineralized Bone and BMPs: Basic Science and Clinical Utility.

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Demineralized bone (DB) and recombinant human bone morphogenetic proteins (rhBMPs) show efficacy in bone repair, often with autografts. Further high-level evidence is needed to confirm their safety and effectiveness for specific patient groups.

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Area of Science:

  • Biomaterials Science
  • Regenerative Medicine
  • Orthopedic Surgery

Background:

  • Clinical demand for bone void fillers has driven the development of bone graft substitutes.
  • Demineralized bone (DB) exhibits osteoinductive properties, promoting new bone formation.
  • Bone morphogenetic proteins (BMPs) isolated from DB led to the development of recombinant human BMPs (rhBMPs).

Purpose of the Study:

  • To review the efficacy and applications of demineralized bone (DB) and recombinant human bone morphogenetic proteins (rhBMPs) in bone repair.
  • To discuss the current understanding of DB and rhBMPs in craniomaxillofacial, oral, hand, and orthopedic applications.
  • To highlight the need for further evidence regarding the safety and clinical utility of rhBMPs.

Main Methods:

  • Review of preclinical and clinical evidence on DB and rhBMPs.
  • Analysis of studies investigating DB and rhBMPs in various orthopedic and craniofacial applications.
  • Evaluation of the biological mechanisms and clinical outcomes associated with these bone graft materials.

Main Results:

  • DB products are effective in various surgical applications.
  • rhBMPs are approved for specific applications, but supraphysiologic doses are often required.
  • Evidence supports the efficacy of DB and rhBMPs, particularly when combined with autograft.

Conclusions:

  • Both DB and rhBMPs demonstrate potential in bone regeneration.
  • Questions remain regarding the optimal use, potency, and safety of single recombinant BMPs.
  • Additional high-level evidence is required to define specific clinical indications and patient populations for rhBMPs.