NCT03891511

Brief Summary

Objective: The aims of this study will be to detect the fibrocartilage layer (FC) of the human temporomandibular joint (TMJ) using 3D SPGR (Spoiled GRASS sequence) (T1 WATS) sequence and to compare these results with those of conventional magnetic resonance imaging (DP, T2 MRI) sequences in patients with temporomandibular disorders (TMD).

Trial Health

43
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
59

participants targeted

Target at P25-P50 for all trials

Timeline
Completed

Started Mar 2019

Shorter than P25 for all trials

Geographic Reach
1 country

1 active site

Status
unknown

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

March 18, 2019

Completed
1 day until next milestone

First Submitted

Initial submission to the registry

March 19, 2019

Completed
8 days until next milestone

First Posted

Study publicly available on registry

March 27, 2019

Completed
1 month until next milestone

Primary Completion

Last participant's last visit for primary outcome

April 30, 2019

Completed
1 month until next milestone

Study Completion

Last participant's last visit for all outcomes

May 30, 2019

Completed
Last Updated

March 27, 2019

Status Verified

March 1, 2019

Enrollment Period

1 month

First QC Date

March 19, 2019

Last Update Submit

March 24, 2019

Conditions

Outcome Measures

Primary Outcomes (6)

  • Presence of the TMJ Fibrocartilage layer

    The fibrocartilage layer will be evaluated dichotomously (absent/present) Patients will be examined using bilateral MRI (Phillips Intera 1,5 T, Sense Flex S Dual Coil) in the sagittal PD-weighted, T2-weighted and T1-weighted WATS, all in the oblique axis of the mandible condyle and with a closed mouth; dynamic gradient-echo at open mouth at 10 mm, 20 mm and 30 mm of the interincisal distance. Additionally, a coronal PD-weighted sequence with the mouth closed will be performed. Of each TMJ will be taken with 8Ă—8 cm FOV and 0.2 cm spacing. All sequences will carried out using the same equipment and on the same day.

    six months

  • Discontinuity of the TMJ FC layer

    The TMJ fibrocartilage layer will be evaluated dichotomously (continuous/discontinuous).

    six months

  • Fibrocartilage Signal Intensity

    Six regions of interest (ROIs) will be measured in the fibrocartilage layer of each TMJ. (anterior 0°, center 45° and posterior 90°), three in the mandibular condyle and three in the temporal fossa. The fibrocartilage signal intensity in each ROI will be expressed as the mean value of intensity units (Osirix). All measurements will be made in a simple blinded system by four different observers (ML, MN, CV, GZ) (chi-square test for interobserver agreement: p˂0.05). Measurements will be made separately in the three MRI sequences (length tool, Osirix Imaging software). In all MRI sequences, TMJ will be magnified at a zoom of 3.6. For the T1 WATS sequence, the window width will be set at 90 intensity Units (IU) (all values above +90 Hounsfield Unit (HU) will be white), and the window level was 80 (IU) (all values below +80 HU will be black). All images will be measured and stored in DICOM format., lengt

    six month

  • Thickness of the TMJ fibrocartilage layer

    The TMJ FC thickness will be measured (curve tool, Osirix) and will expressed in millimeters.

    Six months

  • Length of the TMJ fibrocartilage layer

    The lenght of the TMJ FC layer will be measured (curve tool, Osirix) and will expressed in millimeters.

    Six moths

  • Statistical analysis

    The Shapiro-Wilk test and Levene's test will be performed to assess normality of data distribution and homogeneity of variance of the measurements, respectively. To determine the relationship between the presence or absence of fibrocartilage and the different sequences, Fisher's exact test will be used. The thickness, length and signal intensity of the fibrocartilage layer will be expressed as a mean value, separated by MRI sequence, and will be analyzed using descriptive statistics. SPSS v14.0 for Windows, statistical software will be used to perform data analysis.

    seven months

Interventions

MRI scannDEVICE

MRI will be performed in the TMJ of participants affected with TMD

Also known as: T1 WATS

Eligibility Criteria

Age18 Years - 60 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64)
Sampling MethodProbability Sample
Study Population

participants will be whites, urban, low , medium low and médium socioeconomic level, from Santiago, Chile.

You may qualify if:

  • \* Internal derangement in theTMJ

You may not qualify if:

  • Cardiac pacemaker
  • Cochlear implant
  • Intracranial vascular clips
  • Metal particles in the orbit
  • Head or face trauma
  • Gout
  • Generalized osteoarthrosis
  • Joint hyperlaxity
  • Congenital malformity
  • Facial cysts
  • Facial tumors
  • Previous TMJ surgery

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

San Vicente de Paul Centro de DiagnĂ³stico

Santiago, 750005, Chile

RECRUITING

Related Publications (32)

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    PMID: 8850494BACKGROUND
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    PMID: 19938046BACKGROUND
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  • Kurita H, Kojima Y, Nakatsuka A, Koike T, Kobayashi H, Kurashina K. Relationship between temporomandibular joint (TMJ)-related pain and morphological changes of the TMJ condyle in patients with temporomandibular disorders. Dentomaxillofac Radiol. 2004 Sep;33(5):329-33. doi: 10.1259/dmfr/13269559.

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  • Zhang S, Uecker M, Voit D, Merboldt KD, Frahm J. Real-time cardiovascular magnetic resonance at high temporal resolution: radial FLASH with nonlinear inverse reconstruction. J Cardiovasc Magn Reson. 2010 Jul 8;12(1):39. doi: 10.1186/1532-429X-12-39.

  • Li X, Ma BC, Bolbos RI, Stahl R, Lozano J, Zuo J, Lin K, Link TM, Safran M, Majumdar S. Quantitative assessment of bone marrow edema-like lesion and overlying cartilage in knees with osteoarthritis and anterior cruciate ligament tear using MR imaging and spectroscopic imaging at 3 Tesla. J Magn Reson Imaging. 2008 Aug;28(2):453-61. doi: 10.1002/jmri.21437.

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Biospecimen

Retention: SAMPLES WITHOUT DNA

Human, aged 18-60 years old, female and male, affected with temporo mandibular disorders

MeSH Terms

Conditions

Temporomandibular Joint Disorders

Condition Hierarchy (Ancestors)

Craniomandibular DisordersMandibular DiseasesJaw DiseasesMusculoskeletal DiseasesJoint DiseasesMuscular DiseasesStomatognathic Diseases

Study Officials

  • Gustavo Moncada, PhD

    UAndes, Santiago, Chile

    PRINCIPAL INVESTIGATOR

Central Study Contacts

Gustavo Moncada, PhD

CONTACT

Study Design

Study Type
observational
Observational Model
CASE ONLY
Time Perspective
PROSPECTIVE
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Principal investigator, Clinical Professor of Oral Rehabilitation

Study Record Dates

First Submitted

March 19, 2019

First Posted

March 27, 2019

Study Start

March 18, 2019

Primary Completion

April 30, 2019

Study Completion

May 30, 2019

Last Updated

March 27, 2019

Record last verified: 2019-03

Data Sharing

IPD Sharing
Will not share

No IPD included

Locations