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Initial Management of MRONJ Stages I and II, a Clinical Trial With Detection of Salivary Biomarkers

Primary Purpose

Osteonecrosis of the Jaw, Bisphosphonate Induced, Osteonecrosis of the Jaw, Bisphosphonate Related

Status
Recruiting
Phase
Not Applicable
Locations
Spain
Study Type
Interventional
Intervention
Surgical treatment
Sponsored by
Fundació d'investigació Sanitària de les Illes Balears
About
Eligibility
Locations
Arms
Outcomes
Full info

About this trial

This is an interventional treatment trial for Osteonecrosis of the Jaw, Bisphosphonate Induced focused on measuring Mronj, Dronj, Biomarkers, Saliva, Surgical treatment, Bronj

Eligibility Criteria

18 Years - undefined (Adult, Older Adult)All SexesDoes not accept healthy volunteers

Inclusion Criteria:

- Diagnosis of stage I or stage II medication related osteonecrosis of the jaws (MRONJ) according to the 2014 AAOMS position paper.

Exclusion Criteria:

  • Coexistence of any medical or social condition that prevents proper adherence to treatment or follow-ups (dependent patients without adequate socio-familiar support, drug addiction, severe psychiatric illness, terminal disease with life expectancy less than 3 months).
  • Coexistence of Brown's Tumor, Paget's Disease or other bone diseases with the exception of Osteoporosis or bone metastases.

Sites / Locations

  • Hospital Universitario Son EspasesRecruiting

Arms of the Study

Arm 1

Arm 2

Arm Type

No Intervention

Experimental

Arm Label

Group 1 (non-surgical treatment)

Group 2 (surgical treatment)

Arm Description

Soft diet. Suspension of the use of prostheses or intraoral devices. Oral hygiene guidelines. Topical antiseptics: in the form of mouthrinses with 0.12% chlorhexidine after every meal and clorhexidine gel over the exposed bone or fistula. Systemic antibiotics: for patients in stage 2 in which active acute infection is detected with Amoxicillin/Clavulanic Acid 875/125 mg every 8 hours for 2 weeks. Those allergic to penicillin will receive clindamycin 300 mg every 8 hours for 2 weeks or Levofloxacin 500 mg / day for 2 weeks. Systemic antibiotic treatment can be prolonged indefinitely until infection and symptoms are controlled.

Same guidelines of conservative treatment plus surgical treatment according to the following protocol: Specific protocol for surgical treatment: Wide mucoperiosteal flaps and complete surgical excision of necrotic bone together with a mucosa margin of at least 2 mm. Removal of dental pieces included in the diseased area and regularization of bony margins avoiding leaving sharp edges or spicules. Secure a two layered waterproof closure without tension (simple or with local flaps). Samples will be sent for Pathological and microbiological analysis. Stitches removal after two weeks Postoperative systemic antibiotic following the mentioned protocol until stitches removal.

Outcomes

Primary Outcome Measures

Complete clinical resolution
This is the first of the three possible clinical outcome. The patient has achieved complete mucosal healing meaning there is no signs of bone exposure or fistula, the patient is asymptomatic and thus, can be considered cured.
Clinically stable disease
Second possible clinical outcome. The patient has not been cured but has neither gotten worse meaning that the area of bone exposure (in square centimeters) is equal or not greater than 50 percent of the initial measurement, and has not developed disease up-staging.
Clinical progression or up-staging
Third possible clinical outcome. The patient has gotten worse meaning that the area of bone exposure (in square centimeters) is greater than 50 percent of the initial measurement, or the patient has progressed to a higher stage.
Level of salivary NTX
Expressed in nanomoles of bone collagen equivalents
Level of salivary MMP-9
Expressed in nanograms/milliliters
Levels of IL-1a, IL-1b, IL-6, IL-17 and IL-36α.
Expressed in picograms/milliliters

Secondary Outcome Measures

Radiological absence of radiolucent areas or complete ossification.
This is the first of three possible radiological outcomes and means that the patient has no longer radiological signs of necrotic bone (sequestrum or osteolysis) in the CT or CB-CT scan.
Radiologically stable disease
Second possible radiological outcome. The radiolucent lesion or sequestrum (measured in centimeters by the greater diameter in the CT or CB-CT scan) is equal or not greater than 50 percent of the initial measurement, and does not meet radiological up-staging criteria.
Radiological progression
Third possible radiological outcome. The radiolucent lesion or sequestrum (measured in centimeters by the greater diameter in the CT or CB-CT scan) is greater than 50 percent of the initial measurement, or meets radiological up-staging criteria.

Full Information

First Posted
September 28, 2020
Last Updated
February 12, 2021
Sponsor
Fundació d'investigació Sanitària de les Illes Balears
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1. Study Identification

Unique Protocol Identification Number
NCT04584840
Brief Title
Initial Management of MRONJ Stages I and II, a Clinical Trial With Detection of Salivary Biomarkers
Official Title
Conservative Versus Surgical Treatment for Medication Related Osteonecrosis of the Jaws (MRONJ) Stages I and II, a Quasi-experimental Clinical Trial With Discovery of Salivary Biomarkers
Study Type
Interventional

2. Study Status

Record Verification Date
February 2021
Overall Recruitment Status
Recruiting
Study Start Date
November 1, 2020 (Actual)
Primary Completion Date
October 1, 2023 (Anticipated)
Study Completion Date
January 15, 2024 (Anticipated)

3. Sponsor/Collaborators

Responsible Party, by Official Title
Principal Investigator
Name of the Sponsor
Fundació d'investigació Sanitària de les Illes Balears

4. Oversight

Studies a U.S. FDA-regulated Drug Product
No
Studies a U.S. FDA-regulated Device Product
No

5. Study Description

Brief Summary
Medication-related osteonecrosis of the jaw (MRONJ) is a serious complication in patients receiving antiresorptive therapies, such as Bisphosphonates and Denosumab. It is defined by the presence of exposed bone or a fistula that probes bone in the jaws for a period greater than 8 weeks in patient with a history of current or past antiresorptive or antiangiogenic treatment, and in the absence of prior radiotherapy or maxillary bone metastases. Depending on the severity of the disease 4 stages are described. On the other hand, although the presence of alterations in the levels of certain biomarkers in saliva has been documented in patients with MRONJ compared to healthy patients, its applicability in clinical practice is still unknown. Until recently, the status quo favored the adoption of a conservative strategy (non-surgical) for the initial management of patients with stage I and II. However, in recent years, this paradigm has been challenged by multiple authors who report better and more predictable outcomes with surgical treatment. Based on the hypothesis that patients with MRONJ stage I and II subjected to initial surgical treatment have better results than those undergoing conservative (non-surgical) treatment, te research group has designed a unicentric, quasi-experimental clinical trial where the clinical and radiological outcome at the third month of 2 groups of patients with stages I and II MRONJ undergoing non-surgical treatment (Group 1 / control) versus initial surgical treatment (Group 2 / intervention) will be compared. Also, the investigators hypothesize that the patients with complete resolution of the disease will also normalize salivary biomarkers levels unlike those with stable or progressive disease, meaning there is a correlation between clinical and biochemical response. Accordingly, the levels of specific salivary biomarkers at baseline and at the third month will be determined and compared with the clinical outcome. After enrollment patients will be instructed and offered both treatment strategies, and assigned to the corresponding group according to their choice. Patients in group 1 (non-surgical) will receive traditional conservative treatment while patients undergoing surgical treatment will receive the same guidelines of conservative treatment plus surgery according to a specific surgical protocol.
Detailed Description
Type of study: unicentric quasi-experimental clinical trial Hypothesis: 2.1. Patients with MRONJ stage I and II subjected to initial surgical treatment have better results than those undergoing conservative (non-surgical) treatment. 2.2. There is a correlation between clinical and biochemical outcome and the detection in saliva of certain biomarkers such as Amino Terminal Crosslinked Telopeptides of Type 1 Collagen (NTX), Matrix metallopeptidase 9 (MMP-9), Interleukin 1a (IL-1a), Interleukin 1b (IL-1b), Interleukin 6 (IL-6), Interleukin 17 (IL-17) and Interleukin 36α (IL-36α) may be useful to monitor treatment response. Main Objectives: 3.1. To compare the clinical and radiological outcome after 3 months of conservative treatment versus initial surgical treatment in patients with MRONJ stage I and II. 3.2. To determine the levels of salivary biomarkers at the beginning and after 3 months of treatment while correlating them with the clinical outcome. Secondary Aims To determine if there is a relationship between the initial surface of exposed bone and the outcome. To determine if clinical and radiological concordance in the outcome at the third month for each group. To determine the rate of postoperative complications in the surgical group. To determine if there is a relationship between the number of surgical interventions and the outcome. To determine the percentage of patients undergoing conservative treatment which eventually end up requiring surgical treatment due to disease progression. To determine the elapsed time until complete healing for both groups. To determine the variables associated with a higher cure rate. To determine the variables associated with increased risk of disease progression or recurrence. MATERIAL AND METHODS 5.1. Sample Size Accepting an alpha risk of 0.05 and a beta risk of 0.2 in a bilateral contrast, 21 patients per group are required to detect a cure rate of 30% and 70% in the conservative and surgical treatment group, respectively. Adding 10% to cover possible experimental losses, the sample increases to 23 per group. 5.2. Main Variables MRONJ Stage (1. Stage 1; 2. Stage 2). Type of treatment (GROUP 1/Control: Conservative Treatment, GROUP 2: Surgical Treatment). Clinical outcome at the third month Radiological outcome at the third month Levels of biomarkers in saliva at baseline and at the third month (NTX, MMP-9, IL-1a, IL-1b, IL-6, IL-17 and IL-36α). In the case scientific evidence of other relevant markers appears during the course of the study they may be included in the study. 5.3. Secondary Variables 5.3.1. Both groups Age (years) Sex (1.Man; 2.Mother) Diabetes (1. Yes; 2. No) Medication associated with the disease (1. Oral bisphosphonates, 2. Intravenous Bisphosphonates, 3. Denosumab, 4: Antiangiogenic). Underlying disease for antiresorptive therapy (1. Osteoporosis, 2. Cancer) Duration of treatment with medication associated with the disease. Factor that triggers the disease (1. Tooth Extraction; 2. Use of removable prosthesis; 3. Unclear cause) Suspension of medication associated with the development of MRONJ (1. Yes, 2. No) Concomitant treatment with corticosteroids (1. Yes, 2. No) Concomitant treatment with antiangiogenic drugs (1. Yes, 2. No) Visual Analogue Scale (VAS) pain in the inclusion visit, and in all follow-up visits. Exposed bone surface (1. mild: <0,5cm2; 2. Moderate: 0,5-2cm2; Severe:> 2cm2) or number of intraoral fistulas otherwise. Dimension of greater diameter of radiolucent area or sequestrum in the CT or Cone Beam-CT scan (cm) Time elapsed until complete healing. Recurrence. 5.3.2. Group 1 (Conservative medical treatment) Need for surgical treatment due to disease progression Time elapsed until surgical rescue treatment due to disease progression. 5.3.3. Group 2 (Surgical treatment) Postoperative complications. Number of interventions. 5.4. Inclusion Visit Patients will be informed about the different aspects of the study and will be given the information sheet to read carefully. Informed consent document will be given to read and sign. A thorough medical history will be collected including data about their socio-family environment, psychiatric illnesses and addictions. Complete and careful physical examination of the head and neck area will be carried out, including the measurement of the area of exposed bone in cm2 or, otherwise, the number of fistulas. Based on the clinical findings, stage 1 or 2 will be assigned according to the AAOMS guidelines. Once verified that the patient meets the inclusion criteria, patients will be assigned to the corresponding group according to their chosen treatment strategy. Radiological assessment will be carried out with Orthopantomography and CT-scan/Cone Beam-CT in all patients. Both groups will receive the same standard conservative treatment according to our protocol, meaning group 1 (non-surgical) will serve as control group. For patients enrolled in the surgical group, routine preoperative exams will be requested and surgical intervention will be scheduled within a maximum period of 3 weeks from the inclusion visit following a rigorous and standardized surgical protocol. 5.4.1 STANDARD PROTOCOL FOR CONSERVATIVE TREATMENT (applicable to both groups) Soft diet. Suspension of the use of prostheses or intraoral devices. Oral hygiene guidelines. Topical antiseptics: in the form of mouthrinses with 0.12% chlorhexidine after every meal and clorhexidine gel over the exposed bone or fistula. Systemic antibiotics: for patients in stage 2 in which active acute infection is detected with Amoxicillin/Clavulanic Acid 875/125 mg every 8 hours for 2 weeks. Those allergic to penicillin will receive clindamycin 300 mg every 8 hours for 2 weeks or Levofloxacin 500 mg / day for 2 weeks. Systemic antibiotics treatment can be prolonged indefinitely until infection and symptoms are controlled. 5.4.2. SPECIFIC PROTOCOL FOR SURGICAL TREATMENT Wide mucoperiosteal flaps and complete surgical excision of necrotic bone together with a mucosa margin of at least 2 mm. Removal of dental pieces included in the diseased area and regularization of bony margins avoiding leaving sharp edges or spicules. Secure a two layered waterproof closure without tension (simple or with local flaps). Samples will be sent for Pathological and microbiological analysis. Stitches removal after two weeks Postoperative systemic antibiotic following the mentioned protocol until stitches removal. 5.4.3. SALIVA COLLECTION PROTOCOL Patients must avoid rinsing and ingestion of solids or liquids for at least 1 hour prior to collection. The collection will take place between 8 and 10 am. Five minutes after an oral rinse with distilled water, 5 ml of unstimulated full saliva from the lower lip will be collected. The samples will be processed within the first hour of collection of the sample by centrifuging at 2,600 x g for 15 minutes at 4 ° C. The supernatant will be collected and stored at -80 ° C until the biomarkers are analyzed. 5.4.4. SUCCESSIVE VISITS Controls will be carried out 2 weeks after the inclusion visit and then monthly until the third month when the outcomes will be determined and the second sample of saliva will be collected. Long term follow-up will continue every three to six months depending on patient characteristics and desires. At each visit, the following information will be recorded: symptoms with VAS for pain; physical examination of head and neck; presence of exposed bone and surface in cm2 or number of fistulas otherwise. If complete mucosal healing is found, the time elapsed since the start of treatment will be recorded. Patients in GROUP 1, may develop disease progression refractory to conservative management. In that case, the second saliva sample will be collected before the third month and previous to surgical treatment. Patients of GROUP 2 with persistent disease, recurrence or significant worsening will undergo revision surgery if accepted. Radiological follow-up will be carried out with orthopantomography and CT scan/Cone Beam-CT at the third month. 5.4.5. STATISTICAL ANALYSIS Normality tests and graphs will be used to determine if the variables follow a normal distribution. Variables with normal distribution are expressed as mean ± standard deviation and those without normal distribution are expressed as median and interquartile range. To evaluate the differences between groups, the student's t test or the Mann-Whitney U test will be used for quantitative variables; and the chi-square test or Fisher's exact test for qualitative variables. The correlations will be examined by the Spearman or Pearson rank correlation. Paired or related sample tests will be used to assess intragroup differences. A value of p <0.05 will be considered an indicator of a significant difference.

6. Conditions and Keywords

Primary Disease or Condition Being Studied in the Trial, or the Focus of the Study
Osteonecrosis of the Jaw, Bisphosphonate Induced, Osteonecrosis of the Jaw, Bisphosphonate Related
Keywords
Mronj, Dronj, Biomarkers, Saliva, Surgical treatment, Bronj

7. Study Design

Primary Purpose
Treatment
Study Phase
Not Applicable
Interventional Study Model
Parallel Assignment
Model Description
Unicentric quasi-experimental clinical trial
Masking
None (Open Label)
Allocation
Non-Randomized
Enrollment
50 (Anticipated)

8. Arms, Groups, and Interventions

Arm Title
Group 1 (non-surgical treatment)
Arm Type
No Intervention
Arm Description
Soft diet. Suspension of the use of prostheses or intraoral devices. Oral hygiene guidelines. Topical antiseptics: in the form of mouthrinses with 0.12% chlorhexidine after every meal and clorhexidine gel over the exposed bone or fistula. Systemic antibiotics: for patients in stage 2 in which active acute infection is detected with Amoxicillin/Clavulanic Acid 875/125 mg every 8 hours for 2 weeks. Those allergic to penicillin will receive clindamycin 300 mg every 8 hours for 2 weeks or Levofloxacin 500 mg / day for 2 weeks. Systemic antibiotic treatment can be prolonged indefinitely until infection and symptoms are controlled.
Arm Title
Group 2 (surgical treatment)
Arm Type
Experimental
Arm Description
Same guidelines of conservative treatment plus surgical treatment according to the following protocol: Specific protocol for surgical treatment: Wide mucoperiosteal flaps and complete surgical excision of necrotic bone together with a mucosa margin of at least 2 mm. Removal of dental pieces included in the diseased area and regularization of bony margins avoiding leaving sharp edges or spicules. Secure a two layered waterproof closure without tension (simple or with local flaps). Samples will be sent for Pathological and microbiological analysis. Stitches removal after two weeks Postoperative systemic antibiotic following the mentioned protocol until stitches removal.
Intervention Type
Procedure
Intervention Name(s)
Surgical treatment
Intervention Description
Same guidelines as group 1 (non-surgical) plus surgical treatment according to the following protocol: Specific protocol for surgical treatment Wide mucoperiosteal flaps and complete surgical excision of necrotic bone together with a mucosa margin of at least 2 mm. Removal of dental pieces included in the diseased area and regularization of bony margins avoiding leaving sharp edges or spicules. Secure a two layered waterproof closure without tension (simple or with local flaps). Samples will be sent for Pathological and microbiological analysis. Stitches removal after two weeks Postoperative systemic antibiotic following the mentioned protocol until stitches removal.
Primary Outcome Measure Information:
Title
Complete clinical resolution
Description
This is the first of the three possible clinical outcome. The patient has achieved complete mucosal healing meaning there is no signs of bone exposure or fistula, the patient is asymptomatic and thus, can be considered cured.
Time Frame
Third month
Title
Clinically stable disease
Description
Second possible clinical outcome. The patient has not been cured but has neither gotten worse meaning that the area of bone exposure (in square centimeters) is equal or not greater than 50 percent of the initial measurement, and has not developed disease up-staging.
Time Frame
Third month
Title
Clinical progression or up-staging
Description
Third possible clinical outcome. The patient has gotten worse meaning that the area of bone exposure (in square centimeters) is greater than 50 percent of the initial measurement, or the patient has progressed to a higher stage.
Time Frame
Third month
Title
Level of salivary NTX
Description
Expressed in nanomoles of bone collagen equivalents
Time Frame
Third Month
Title
Level of salivary MMP-9
Description
Expressed in nanograms/milliliters
Time Frame
Third Month
Title
Levels of IL-1a, IL-1b, IL-6, IL-17 and IL-36α.
Description
Expressed in picograms/milliliters
Time Frame
Third Month
Secondary Outcome Measure Information:
Title
Radiological absence of radiolucent areas or complete ossification.
Description
This is the first of three possible radiological outcomes and means that the patient has no longer radiological signs of necrotic bone (sequestrum or osteolysis) in the CT or CB-CT scan.
Time Frame
Third month
Title
Radiologically stable disease
Description
Second possible radiological outcome. The radiolucent lesion or sequestrum (measured in centimeters by the greater diameter in the CT or CB-CT scan) is equal or not greater than 50 percent of the initial measurement, and does not meet radiological up-staging criteria.
Time Frame
Third Month
Title
Radiological progression
Description
Third possible radiological outcome. The radiolucent lesion or sequestrum (measured in centimeters by the greater diameter in the CT or CB-CT scan) is greater than 50 percent of the initial measurement, or meets radiological up-staging criteria.
Time Frame
Third month

10. Eligibility

Sex
All
Minimum Age & Unit of Time
18 Years
Accepts Healthy Volunteers
No
Eligibility Criteria
Inclusion Criteria: - Diagnosis of stage I or stage II medication related osteonecrosis of the jaws (MRONJ) according to the 2014 AAOMS position paper. Exclusion Criteria: Coexistence of any medical or social condition that prevents proper adherence to treatment or follow-ups (dependent patients without adequate socio-familiar support, drug addiction, severe psychiatric illness, terminal disease with life expectancy less than 3 months). Coexistence of Brown's Tumor, Paget's Disease or other bone diseases with the exception of Osteoporosis or bone metastases.
Central Contact Person:
First Name & Middle Initial & Last Name or Official Title & Degree
JUAN M ZÁRATE GONZÁLEZ, MD
Phone
+34636794627
Email
JUANLAK@HOTMAIL.COM
Overall Study Officials:
First Name & Middle Initial & Last Name & Degree
MARTA MONJO CABRER, PHD
Organizational Affiliation
Fundació d'investigació Sanitària de les Illes Balears
Official's Role
Study Director
First Name & Middle Initial & Last Name & Degree
JOANA RAMIS MOREY, PHD
Organizational Affiliation
Fundació d'investigació Sanitària de les Illes Balears
Official's Role
Study Director
First Name & Middle Initial & Last Name & Degree
VICTOR A LASA MENÉNDEZ, MD
Official's Role
Study Chair
First Name & Middle Initial & Last Name & Degree
JUAN M ZÁRATE GONZÁLEZ, MD
Organizational Affiliation
Fundació d'investigació Sanitària de les Illes Balears
Official's Role
Principal Investigator
Facility Information:
Facility Name
Hospital Universitario Son Espases
City
Palma de Mallorca
State/Province
Baleares
ZIP/Postal Code
07120
Country
Spain
Individual Site Status
Recruiting
Facility Contact:
First Name & Middle Initial & Last Name & Degree
JUAN M ZÁRATE GONZÁLEZ, MD
Phone
+34636794627
Email
JUANLAK@HOTMAIL.COM

12. IPD Sharing Statement

Plan to Share IPD
Yes
IPD Sharing Plan Description
All IPD that underlie results in a publication
IPD Sharing Time Frame
6 months after publication
IPD Sharing Access Criteria
IPD sharing subjected to prior authorization of the research group
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Initial Management of MRONJ Stages I and II, a Clinical Trial With Detection of Salivary Biomarkers

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