- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04467580
Development of Inflammation and Fibrosis Index, Combining MRI and PET 18F-FDG, in Patient's With Crohn's Disease (FILM)
Development and Validation of an Inflammation Index (FILM-i) and a Fibrosis Index (FILM-f), Combining MRI and Positron Emission Tomography (PET) With Low-dose [18F]FDG (With the Tracer Fluorine-18 (18F) Fluorodeoxyglucose (FDG), Called [18F]FDG PET Activity, to Characterize Fibrosis and Inflammation of Intestinal Strictures During Crohn's Disease
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Intestinal inflammation could be quantified by the PET/CT due to the tropism of a PET tracer, [18F]FDG for activated inflammatory cells.
[18F]FDG PET/CTperformed on latest digital PET/CT cameras and recordings focused on the abdomen could help quantify intestinal inflammation in patients with abnormal entero-MRI, and differentiate inflammation and fibrosis on a joint PET/CT and MRI , in patients with complicated Crohn Disease intestinal stenosis.
Magnetic resonance imaging (MRI) indices are used to assess the upgradability and activity of CD and try to predict response to treatment, in particular Nancy's MRI score for digestive inflammation.
An inflammation index (FILM-i) and a fibrosis index (FILM-f), based on this MRI/PET analysis, will be developed and validated to develop personalized medicine in patients with stenosing CD. Indeed, these indices will guide the therapeutic choice, in particular for the biotherapies prescription or the need to operate these patients.
Study Type
Enrollment (Anticipated)
Phase
- Not Applicable
Contacts and Locations
Study Contact
- Name: Marine CLAUDIN, MD
- Phone Number: 0383154276
- Email: m.claudin@chru-nancy.fr
Study Contact Backup
- Name: VERONIQUE ROCH, MSc
- Phone Number: 0383154276
- Email: v.roch@chru-nancy.fr
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Major subject having received complete information of the clinical research and having signed their informed consent
- Subject with a stenosing CD (objectified on MRI, CT and / or endoscopy).
- Subject for which surgical resection of one or more stenosis (s) of the terminal ileum is programmed as part of the treatment.
- Subject with a social security scheme
Exclusion Criteria:
- Subject having a contraindication to performing MRI and / or PET / CT at 18F-FDG.
- Subject with an ostomy
- Diabetic subject treated by metformin.
- Subject referred to in articles L. 1121-5, L. 1121-7 and L1121-8 of the public health code.
- Pregnant woman, parturient or nursing mother.
- Subject with a legal protection measure (guardianship, curatorship, safeguard of justice).
- Subject unable to express consent.
- Subject deprived of their liberty by a judicial or administrative decision, persons subject to psychiatric care under articles L. 3212-1 and L.3213-1.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Diagnostic
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Patients with stenosing CD
Patients with stenosing CD will be recruited in each investigation center, during a preoperative consultation for an already decided and planned intestinal resection (digestive surgery or hepato-gastro department) -enterology).
|
Patients will have within a maximum period of 15 days before the surgery (resection of intestinal stenosis), records by MRI and by digital PET/CT with low injected activity of [18F]FDG, focused on the abdomen, the MRI will be performed maximum 30 days before the intervention (if available and performed according to the procedure for the study, it will not be repeated for the study).
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Index FILM-i
Time Frame: Day 45
|
Index FILM-i will be developed using histological scores determined according to the extent and the diffusion in the thickness of the intestinal wall: cellular infiltration and edema These histological scores both include 4 grades:
|
Day 45
|
Index FILM-f
Time Frame: Day 45
|
Index FILM-f will be developed using histological scores determined according to the extent and the diffusion in the thickness of the intestinal wall : collagen fibrosis These histological scores both include 4 grades:
|
Day 45
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Contribution of [18F]FDG PET/CT with index NET (Net Reclassification Index)
Time Frame: Day 45
|
Quantify the contribution of [18F]FDG PET/CT, in addition to MRI, for the characterization of the fibrotic and inflammatory components of stenosis of the terminal ileum with the index NET.
This index will be calculated to quantify the contribution of PET items to the model including only MRI items.
|
Day 45
|
To compare the performance of the inflammation index (FILM-i) with that of a baseline MRI score, the Nancy score, for the detection of significant colonic inflammation (moderate to severe in histopathology).
Time Frame: Day 45
|
The performance of the FILM-i index and Nancy's score will be evaluated by the of correctly classified segments.
|
Day 45
|
Inter- and intra-observer reproducibility
Time Frame: Day 45
|
To estimate the inter- and intra-observer reproducibility of the 4 grade classifications obtained by the FILM-i and FILM-f indices with the intra-class correlation coefficients.
|
Day 45
|
Degree of correlation between FILM-i and FILM-f index and the modified histological activity score of the Global Histologic Activity Score (GHAS).
Time Frame: Day 45
|
Compare the results of index and modified GHAS score
|
Day 45
|
Collaborators and Investigators
Sponsor
Study record dates
Study Major Dates
Study Start (Anticipated)
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 2020_003067-26
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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