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Medication-related Osteonecrosis of the Jaw (MRONJ)NCT07691892

Early Warning and Risk Prediction of Medication-Related Osteonecrosis of the Jaw

An observational study of Medication-related Osteonecrosis of the Jaw (MRONJ), run by Hospital of Stomatology, Wuhan University.

Not yet recruiting

Opening soon. The study is approved but enrolment has not started yet. Sites may already take enquiries.

Official record
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Trial summary

This prospective observational cohort study aims to develop and evaluate an early warning and risk prediction model for medication-related osteonecrosis of the jaw (MRONJ) based on multimodal data fusion. Read more about this study

Who is it for?
Ages 18 to 70 years
How many people
310 participants
Where
No sites listed yet
Study dates
1 Aug 2026to 1 Sep 2030
How long will I take part?
12 Months
Phase
Observational
Are there results?
Not yet: the study is under way

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 to 70 years
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Study population: Patients at risk of medication-related osteonecrosis of the jaw will be prospectively recruited from the School \& Hospital of Stomatology, Wuhan University. Eligible participants will include adults with a history of antiresorptive or antiangiogenic medication exposure who require oral and maxillofacial evaluation, dental treatment, or follow-up. Clinical, imaging, laboratory, and follow-up data will be collected to develop and evaluate an early warning and risk prediction model for medication-related osteonecrosis of the jaw.

Who may be able to join

  • Adults aged 18 to 70 years, regardless of sex.
  • Currently receiving bone-modifying agents, including bisphosphonates or denosumab, for osteoporosis or bone metastases.
  • Continuous use of bone-modifying agents for at least 24 months before enrollment.
  • Scheduled to undergo clinically indicated invasive oral procedures, including root canal therapy, periapical surgery, tooth extraction, periodontal scaling and root planing, periodontal surgery, or other invasive oral procedures as clinically needed.
  • No clinical signs of medication-related osteonecrosis of the jaw before the planned oral procedure, according to the diagnostic criteria of the American Association of Oral and Maxillofacial Surgeons.
  • Able to understand the study purpose and procedures and willing to provide written informed consent.

Who cannot join

  • Previously diagnosed or suspected medication-related osteonecrosis of the jaw.
  • Other diseases or conditions that may cause osteonecrosis of the jaw, such as osteoradionecrosis or malignant tumors of the jaw.
  • Severe coagulation disorders or active bleeding disorders that preclude invasive oral procedures.
  • Severe cardiac, hepatic, or renal dysfunction, including New York Heart Association class III-IV heart failure, Child-Pugh class C liver disease, or renal failure requiring dialysis.
  • Autoimmune disease or current immunosuppressive therapy that may affect bone metabolism or immune status assessment.
  • Salivary gland dysfunction, such as Sjögren's syndrome, that may affect the quality of saliva sample collection.
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  • Pregnancy or breastfeeding.
  • Psychiatric disorders or cognitive impairment that would prevent understanding of the study procedures or compliance with follow-up.
  • Uncontrolled hypertension or diabetes mellitus, or a history of stroke or transient ischemic attack within the past 6 months.
  • Use of any vaccine for the prevention of infectious diseases, such as influenza or varicella vaccine, within 4 weeks before enrollment.
  • Congenital or acquired immunodeficiency, such as HIV infection, or active hepatitis B or hepatitis C infection. Active hepatitis B is defined as HBV DNA above the upper limit of normal, and active hepatitis C is defined as HCV viral titer or RNA above the upper limit of normal.
  • Participation in another clinical study that may interfere with the results of this study.

About this study

Official title: Development and Validation of a Multimodal Risk Prediction Model for Medication-Related Osteonecrosis of the Jaw: A Prospective Cohort Study.

This prospective observational cohort study aims to develop and evaluate an early warning and risk prediction model for medication-related osteonecrosis of the jaw (MRONJ) based on multimodal data fusion.

Eligible participants will include adults who have received bone-modifying agents, including bisphosphonates or denosumab, for at least 24 months for osteoporosis or bone metastases and who are scheduled to undergo clinically indicated invasive oral procedures. The study will not assign any treatment or intervention. All oral procedures will be performed as part of routine clinical care.

Read more

Clinical characteristics, medication exposure, oral examination findings, cone-beam computed tomography imaging data, and biological samples including saliva, blood, urine, and gingival crevicular fluid will be collected. Proteomic and metabolomic analyses will be performed to identify candidate biomarkers associated with MRONJ risk.

Participants will be followed prospectively after the oral procedure to assess wound healing, clinical symptoms, imaging changes, and the occurrence of MRONJ. The study will evaluate whether a multimodal model combining clinical, imaging, and biological data can predict the risk of MRONJ after invasive oral procedures.

Keywords
medication-related osteonecrosis of the jaw (MRONJ), Bone-modifying agents, Bisphosphonates, Denosumab, Invasive oral procedures, Risk prediction, Multimodal data fusion, Proteomics, Metabolomics, Biomarkers

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

Study groups in NCT07691892
Study groupRoleWhat they receive
MRONJ risk cohortParticipants at risk of medication-related osteonecrosis of the jaw will be prospectively enrolled and followed to evaluate multimodal predictors for early warning and risk prediction of MRONJ.

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Incidence of medication-related osteonecrosis of the jaw within 12 months after the invasive oral procedure.

    The occurrence of medication-related osteonecrosis of the jaw will be assessed according to the diagnostic criteria of the American Association of Oral and Maxillofacial Surgeons. Clinical examination and cone-beam computed tomography will be used to determine whether participants develop medication-related osteonecrosis of the jaw during follow-up.

    Measured: 12 months after the invasive oral procedure.

Secondary outcomes (3)
  1. Area under the receiver operating characteristic curve of the multimodal prediction model for medication-related osteonecrosis of the jaw.

    The area under the receiver operating characteristic curve (AUC) will be used to evaluate the discrimination performance of a multimodal early warning and risk prediction model for medication-related osteonecrosis of the jaw. The model will integrate clinical characteristics, medication exposure, oral examination findings, cone-beam computed tomography imaging features, and proteomic and metabolomic biomarkers from body fluid samples.

    Measured: 3 months, 6 months, 12 months after the invasive oral procedure.

  2. Sensitivity and specificity of the multimodal prediction model for medication-related osteonecrosis of the jaw.

    Sensitivity and specificity will be calculated as the proportion of participants who do not develop medication-related osteonecrosis of the jaw and are correctly classified as low risk by the multimodal prediction model.

    Measured: 3 months, 6 months, 12 months after the invasive oral procedure.

  3. Early clinical manifestations and progression patterns of medication-related osteonecrosis of the jaw.

    Early clinical manifestations and progression patterns will be assessed based on wound healing, pain, swelling, suppuration, numbness, bone exposure, fistula formation, and cone-beam computed tomography findings during follow-up.

    Measured: 1 week, 2 weeks, 4 weeks, 3 months, 6 months, and 12 months after the invasive oral procedure.

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted9 Jul 2026
  2. Study start1 Aug 2026 (estimated)
  3. Primary completion1 Sep 2029 (estimated)
  4. Study completion1 Sep 2030 (estimated)

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Observational
Observational model
Cohort
Time perspective
Prospective
Enrolment
310 participants (estimated)
Target duration
12 Months
IDs, dates and publications
ClinicalTrials.gov ID
NCT07691892
Sponsor's protocol ID
WDKQ2026B51
Status last verified
Jun 2026
First submitted
2 Jul 2026
Last updated
9 Jul 2026
Results posted
No
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No

Questions about this trial

What is this clinical trial studying?

An observational study of Medication-related Osteonecrosis of the Jaw (MRONJ), run by Hospital of Stomatology, Wuhan University.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 6 inclusion and 12 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: opening soon, as of the sponsor's last update on 9 Jul 2026. Status can change between updates, so confirm with the study contact before making plans.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

This study is still under way. Results are not available in the source record yet.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Incidence of medication-related osteonecrosis of the jaw within 12 months after the invasive oral procedure. (time frame: 12 months after the invasive oral procedure.). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 9 Jul 2026.

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