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Updated: May 5, 2026

Establishment of a Human Multiple Myeloma Xenograft Model in the Chicken to Study Tumor Growth, Invasion and Angiogenesis
Published on: May 1, 2015
[Multiple myeloma]
1Department of Medicine and Bioregulatory Sciences, University of Tokushima Graduate School of Medicine.
Abstract:
Multiple myeloma causes debilitating clinical symptoms including intractable bone pain, disabling multiple fractures and hypercalcemia. Bisphosphonates, potent inhibitors of osteoclast-mediated bone destruction, prevent skeletal-related events in myeloma. However, the impact of long-term bisphosphonate use remains unclear because of insufficient follow-up, while osteonecrosis of the jaw (ONJ) emerges as a major concern. The proteosome inhibitor bortezomib is a novel anti-myeloma agent, which has been recently drawn a considerable attention in its anabolic effects to resume bone formation in patients with myeloma. It is important to clarify the roles of these bone-targeting agents in the treatment for a myeloma bone disease and make the best use of them by eliminating underlying risk of their adverse effects.
Insights
Multiple myeloma bone disease management involves bisphosphonates and bortezomib. Understanding their long-term effects and risks, like osteonecrosis of the jaw, is crucial for effective treatment.
Area of Science:
- Oncology
- Bone Biology
- Pharmacology
Context:
- Multiple myeloma frequently leads to severe bone complications such as pain, fractures, and hypercalcemia.
- Bisphosphonates are standard treatments for preventing skeletal-related events in myeloma patients.
- Long-term bisphosphonate efficacy and safety, particularly concerning osteonecrosis of the jaw (ONJ), require further investigation.
Purpose:
- To evaluate the roles of bone-targeting agents in managing myeloma bone disease.
- To clarify the benefits and risks associated with bisphosphonates and proteasome inhibitors like bortezomib.
- To optimize the use of these agents by mitigating adverse effects.
Summary:
- Bisphosphonates inhibit osteoclast activity, reducing bone destruction in multiple myeloma.
- The proteasome inhibitor bortezomib shows potential anabolic effects, promoting bone formation.
- Concerns exist regarding long-term bisphosphonate use, specifically the risk of osteonecrosis of the jaw.
Impact:
- Improved understanding of bone-targeting therapies for multiple myeloma.
- Guidance on balancing the benefits of bisphosphonates and bortezomib against potential side effects.
- Potential for enhanced treatment strategies to preserve bone health in myeloma patients.
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