Treatment of children with osteogenesis imperfecta

Frank Rauch1, Francis H Glorieux

  • 1Genetics Unit, Shriners Hospital for Children, 1529 Cedar Avenue, Montréal, Québec, Canada H3G 1A6.

Insights

Bisphosphonate therapy can aid children with osteogenesis imperfecta (OI) by reducing pain and fractures. However, its optimal use and long-term effects require further study, especially for severe OI cases.

Area of Science:

  • Pediatric Orthopedics
  • Medical Genetics
  • Pharmacology

Background:

  • Osteogenesis imperfecta (OI) is a genetic disorder characterized by fragile bones.
  • Children with moderate to severe OI need comprehensive management including physiotherapy, rehabilitation, and surgery.
  • Bisphosphonates offer supportive treatment to enhance conventional therapies for OI.

Purpose of the Study:

  • To review the role of bisphosphonates in managing pediatric osteogenesis imperfecta.
  • To discuss the benefits and uncertainties surrounding bisphosphonate treatment in children with OI.
  • To provide guidance on the appropriate use of bisphosphonates in growing patients.

Main Methods:

  • Literature review focusing on bisphosphonate use in pediatric OI.
  • Analysis of existing studies on pamidronate, the most studied bisphosphonate.
  • Evaluation of clinical outcomes and long-term consequences.

Main Results:

  • Bisphosphonates can decrease pain, lower fracture incidence, and improve mobility in children with OI.
  • Intravenous pamidronate has the most available data, but optimal regimens and long-term effects are unknown.
  • Current evidence suggests reserving bisphosphonates for severe cases with significant clinical issues like fractures or deformities.

Conclusions:

  • Bisphosphonates are a valuable adjunct therapy for moderate to severe osteogenesis imperfecta in children.
  • Further research is needed to establish optimal treatment protocols and long-term safety profiles for bisphosphonates in pediatric OI.
  • Gene-based therapies are still in early preclinical development for OI treatment.

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