Case contributed by Prof. Datuk Dr. Sabarul Afian Mokhtar, Senior Consultant Orthopaedic Surgeon (Spine Surgery)
Hospital Canselor Tuanku Muhriz Universiti Kebangsaan Malaysia

Patient information

Age: 62 years

Sex: Female

Underlying Disease:

  • Treatment-naïve
  • Menopause at 52 years old
  • No history of cardiovascular events
  • No family history of osteoporosis
  • History

    Presenting complaint

    • Patient was referred for lower back pain
    • She was a passenger at the back seat of a car, who sustained the injury when the car hit a speed bump
    • Diagnosed with vertebral fracture at L1 upon admission
  • Physical Examination

    Weight: 58 kg

    Height: 154 cm

    BMI: 24.5 kg/m2

    Specific

    • No features of neurological deficit
    • No features of Cushing syndrome
  • Investigation

    Blood investigations

    • All blood investigations were normal
  • Treatment

    Pharmacological

    • Romosozumab therapy for 1 year, followed by transition to Denosumab 6-monthly

    Non-pharmacological

    • Apart from osteoporosis treatment, the patient was on a Thoracic-Lumbar-Sacral Orthosis (TLSO) brace to immobilize the fracture for 3 months until pain relief

    Spine X-ray upon admission

    Spine X-ray showing wedge compression fracture of vertebrae

    investigation-img

    Lumbosacral X-ray after 12 months

    No adjacent new fractures observed after 12 months with romosozumab therapy

    investigation-img
  • Follow Up

    Upon completion of Romosozumab therapy for 1 year, patient was transitioned to Denosumab
    6-monthly

  • Results- DXA Scan

    Upon admission

    investigation-img

    After 1 year of Romosozumab therapy

    investigation-img

    Left Hip Upon Admission

    investigation-img

    Left Hip Upon Completing 12 Months of Romosozumab

    investigation-img

    Spine Upon Admission

    investigation-img

    Spine Upon Completing 12 Months of Romosozumab

    investigation-img
  • Summary
    • Patient sustained vertebral fracture at L1
    • 1st DXA scan done upon admission
    • Started on monthly subcutaneous Romosozumab after fracture

    2nd DXA scan done after 12 months of Romosozumab therapy

    • Spine BMD changes: [(0.739-0.558)/0.558] X 100% = 32.4%
    • Hip BMD changes: [(0.688 - 0.627)/ 0.627] X 100 = 9.7%
    • After 1 year of Romosozumab therapy, patient was switched to subcutaneous Denosumab
      6-monthly therapy
    investigation-img
  • Estimated Fracture Risk Reduction Associated With BMD Improvement1

    investigation-img
  • References

    1. Bouxsein ML, Eastell R, Lui LY, et al.; FNIH Bone Quality Project. Change in Bone Density and Reduction in Fracture Risk: A Meta-Regression of Published Trials. J Bone Miner Res. 2019 Apr;34(4):632-642.

    Abbreviations

    BMD, bone mineral density; DXA, dual-energy X-ray absorptiometry; L1, first lumbar vertebrae; L2, second lumbar vertebrae; L3, third lumbar vertebrae; L4, fourth lumbar vertebrae

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    The patient cases were contributed by bone health experts from respective clinical setting, incorporating evidence-based discussions, guidelines and clinical considerations in the individualised treatment sequencing plans of different real-world scenarios..
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