ORAL HEALTH EVIDENCE-BASED PRACTICE PROGRAM
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Title For Patients Taking Nonbisphosphonate Medications such as Xgeva, Avastin, or Sutent, Medication Related Osteonecrosis of the Jaw (MRONJ) Following Dentoalveolar Surgery Occurs at a Rate Comparable to that of Patients Taking IV Bisphosphonates
Clinical Question In a patient who needs emergency dental care that is taking nonbisphosphonate medications such as Xgeva, Avastin, or Sutent, does MRONJ occur as frequently postoperatively as a patient receiving IV bisphosphonates?
Clinical Bottom Line For patients taking nonbisphosphonate medications such as Xgeva, Avastin, or Sutent, MRONJ following dentoalveolar surgery occurs at a rate comparable to that of patients taking IV bisphosphonates. These drugs, when used concurrently with bisphosphonates, have a synergistic effect, and the risk for MRONJ is even greater. Any patient receiving these medications and needing dentoalveolar surgery must be given special precautions.
Best Evidence (you may view more info by clicking on the PubMed ID link)
PubMed ID Author / Year Patient Group Study type
(level of evidence)
#1) 22985897Troeltzsch/2012Patients taking denosumab, bevacizumab, and sunitinibNarrative Review
Key resultsDenosumab (Xgeva) therapy causes MRONJ at a rate similar to IV bisphosphonates. Bevacizumab (Avastin) and sutinib (Sutent) related ONJ cases have been reported, but evidence of a causal relationship is still anecdotal.
#2) 25234529Ruggiero/2014Patients taking medications that can cause ONJPractice Guideline
Key resultsPatients at risk of developing MRONJ can be treated conservatively for caries and periodontal disease and may benefit from pain medication and antibiotics. Patients at a higher ONJ-staging classification benefit from antimicrobial rinses and antibiotics. Patients currently receiving IV therapy with an antiresorptive/antiangiogenic medication are at a very high risk of developing MRONJ, and elective tooth extraction should be avoided. If MRONJ has been identified, debridement and resection may be necessary along with antimicrobial rinses and antibiotics. These patients may also require immediate reconstruction.
#3) 24120382Lescaille/201342 oncologic patients with ONJProspective Cohort Study
Key resultsPatients receiving bevacizumab (Avastin) in conjunction with the bisphosphonate zoledronic acid had a 6.07 times greater risk of developing spontaneous MRONJ when compared to patients only receiving zoledronic acid therapy (95% CI: 1.3-28.2, p < 0.05).
Evidence Search ((("Osteonecrosis"[Mesh]) AND "denosumab" [Supplementary Concept]) AND "sunitinib" [Supplementary Concept]) AND "bevacizumab" [Supplementary Concept]; osteonecrosis of the jaw and bevacizumab
Comments on
The Evidence
Validity: The clinical review did not specify how many studies it included in the review, although multiple references are listed. The authors of the review did not have any bias based on competing interests regarding the medications or treatments mentioned in the review. The practice guideline was released by the American Association of Oral and Maxillofacial Surgeons. This certain issue is an addendum to the guidelines they had released previously. The cohort study contained patients being treated with the same medications for similar malignancies. Adequate follow-up was performed and recall bias was unlikely. There were no competing interests in this study. Perspective: Based upon these articles, MRONJ of the jaw can occur in any patient taking Xgeva, Avastin, or Sutent following invasive dental procedures. When these drugs are given in combination with bisphosphonates, the risk for MRONJ is even greater. These articles did not specify which dental surgical procedures created the greatest risk for MRONJ, and this should be considered before performing any procedure that could upset bone homeostasis.
Applicability These studies followed patients receiving nonbisphosphonate antiresorptive/antiangiogenic medications for malignancies. Elective surgical procedures should be performed with extreme caution in these patients or postponed until the antiresorptive/antiangiogenic medications are discontinued. Patients should be managed based upon their individual signs and symptoms. Practitioners should follow the guidelines presented in the American Association of Oral and Maxillofacial Surgeons position paper.
Specialty/Discipline (Oral Medicine/Pathology/Radiology) (Endodontics) (General Dentistry) (Oral Surgery) (Orthodontics) (Periodontics)
Keywords denosumab, bevacizumab, sunitinib, MRONJ, medication-related osteonecrosis of the jaw
ID# 2811
Date of submission: 03/16/2015spacer
E-mail hamiltonta@livemail.uthscsa.edu
Author Trevor Hamilton
Co-author(s)
Co-author(s) e-mail
Faculty mentor/Co-author Gregory F. Spackman, DDS, MBA
Faculty mentor/Co-author e-mail Spackman@uthscsa.edu
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