Related Experiment Video
Updated: Apr 5, 2026

A Novel in vivo Gene Transfer Technique and in vitro Cell Based Assays for the Study of Bone Loss in Musculoskeletal Disorders
Published on: June 8, 2014
Pharmacogenetics of Bisphosphonate-associated Osteonecrosis of the Jaw
P L Fung1, P Nicoletti2, Y Shen3
1UCL Eastman Dental Institute, University College London, 256 Gray's Inn Road, London WC1X 8LD, UK.
Abstract:
Osteonecrosis of the jaws (ONJ) is a potentially severe disorder that develops in a subgroup of individuals who have used bisphosphonate (BP) medications. Several clinical risk factors have been associated with the risk of ONJ development, but evidence is limited and in most instances ONJ remains an unpredictable adverse drug reaction. Interindividual genetic variability can contribute to explaining ONJ development in a subset of BP users and the discovery of relevant associated gene variants could lead to the identification of individuals at higher risk. No genetic variant has been found to be robustly associated with susceptibility to ONJ.
Insights
Osteonecrosis of the jaw (ONJ) is a severe side effect of bisphosphonate (BP) drugs. Genetic factors may influence ONJ risk, but no specific gene variants are currently linked to its development.
Area of Science:
- Oral and Maxillofacial Surgery
- Pharmacogenomics
- Oncology
Background:
- Osteonecrosis of the jaw (ONJ) is a serious adverse drug reaction associated with bisphosphonate (BP) therapy.
- While clinical risk factors exist, ONJ development is often unpredictable.
- Genetic variability may play a role in susceptibility to ONJ among BP users.
Purpose of the Study:
- To investigate the potential association between genetic variants and the risk of developing osteonecrosis of the jaw (ONJ) in patients using bisphosphonate (BP) medications.
- To identify genetic markers that could predict individuals at higher risk for ONJ.
Main Methods:
- The study likely involved analyzing genetic data from patients with and without ONJ who have used bisphosphonates.
- Statistical methods were used to identify potential associations between specific gene variants and ONJ development.
Main Results:
- No specific genetic variant has been robustly identified as being associated with an increased susceptibility to osteonecrosis of the jaw (ONJ).
- The genetic basis for ONJ development in bisphosphonate users remains largely undiscovered.
Conclusions:
- Current evidence does not support a strong association between any single genetic variant and ONJ susceptibility.
- Further research is needed to elucidate the complex genetic underpinnings of ONJ in bisphosphonate users.
Related Concept Videos
Pharmacogenetic Phenotypes: Alterations in Pharmacokinetics, Drug Targets and Biologic Milieu
Pharmacogenomics: Identification of New Drug Targets
Pharmacogenetics and Pharmacogenomics: Overview
Pharmacogenetics of Drug Metabolism: Overview
Pharmacogenetics of Phase I Enzymes: Cytochrome P450 Isozymes
Principles of Pharmacogenetics: Types of Genetic Variants
