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Clinical use of bisphosphonates
1Department of Rheumatology, Saint-Luc University Hospital, Louvain University, Brussels, Belgium.
Current Opinion in Rheumatology
|July 1, 1996
Summary
Bisphosphonates are drugs that inhibit bone resorption, making them effective for bone diseases like osteoporosis. Newer bisphosphonates offer improved potency and safety profiles for managing bone remodeling disorders.
Area of Science:
- Pharmacology
- Bone Biology
- Metabolic Diseases
Background:
- Bisphosphonates, also known as diphosphonates, are a class of drugs developed over the last three decades.
- Their clinical application targets diseases related to bone and calcium metabolism.
- Commercial availability and therapeutic indications vary internationally.
Purpose of the Study:
- To review the mechanism of action and therapeutic applications of bisphosphonates.
- To compare the efficacy and safety profiles of different bisphosphonate compounds.
- To discuss potential risks associated with potent bisphosphonates.
Main Methods:
- Review of existing literature on bisphosphonate pharmacology and clinical use.
- Analysis of the mechanism of action, focusing on bone resorption inhibition.
- Comparative assessment of early bisphosphonates versus newer generations.
Main Results:
- Bisphosphonates inhibit bone resorption, with varying effects on bone formation.
- Early bisphosphonates like etidronate had less favorable resorption-to-formation inhibition ratios.
- Newer bisphosphonates demonstrate increased potency and improved safety ratios.
Conclusions:
- Bisphosphonates are crucial for managing high bone remodeling diseases, including Paget's disease, osteoporosis, and hypercalcemia.
- Advancements in bisphosphonate development have led to more potent agents with better safety profiles.
- While potent bisphosphonates raise concerns about "freezing" bone remodeling, this complication has not been observed to date.