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Clinical status of established MRONJ in oncology patients continuing bone-modifying agents

Abstract

The continuation of bone-modifying agents (BMAs) in patients with established medication-related osteonecrosis of the jaw (MRONJ) is a common concern among dentists and oncologists. There is little evidence supporting or refuting the continued use of BMAs or drug holidays and their impact on established MRONJ. This paper evaluates the outcome of continued BMAs use on the patient's MRONJ status. A retrospective review of 29 oncology patients undergoing active cancer care for either metastatic disease or multiple myeloma was conducted. Data on demographics, oncological status, BMA history and MRONJ status were collected. In total, 90% of patients were judged to have healed or stable MRONJ while continuing BMAs. Most patients (69%) continued the same BMA regime (three- or four-weekly) that they were on before developing MRONJ. The average number of BMAs doses received after an MRONJ diagnosis was 12 (range 1-48). Three patients (10.3%) were found to have MRONJ progression, with two patients developing new sites of necrosis. This real-world dataset suggests that the majority of MRONJ cases remain stable and will not worsen with the continuation of BMAs.

Key points

  • Provides wider information and knowledge on the value of bone-modifying agents in the overall health of patients for the general dental practitioner.

  • Alleviates concern that the impact of the drug does not necessarily worsen a patient's medication-related osteonecrosis of the jaw.

  • Provides continued professional development in the arena of dental oncology for general dental practitioners.

  • Provides reassurance that bone-modifying agents retain a low risk of causing medication-related osteonecrosis of the jaw.

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Contributions

Conception and design of work - Vinod Patel; data collection - Elizabeth Miles, Richa Arya; data analysis and interpretation - Elizabeth Miles, Richa Arya, Christopher Sproat, Vinod Patel; drafting the manuscript - Elizabeth Miles, Vinod Patel; critical revision of manuscript - Elizabeth Miles, Richa Arya, Christopher Sproat, Vinod Patel; final approval of manuscript - Elizabeth Miles, Richa Arya, Christopher Sproat, Vinod Patel.

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Correspondence to Vinod Patel.

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The authors declare no conflicts of interest.

Ethical approval and consent was not applicable for this retrospective clinical evaluation of historic practice.

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Not applicable (clinical outcome reporting and sensitive nature of the data).

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Miles, E., Arya, R., Sproat, C. et al. Clinical status of established MRONJ in oncology patients continuing bone-modifying agents. Br Dent J 236, 683–687 (2024). https://doi.org/10.1038/s41415-024-7340-9

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