- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03121456
18F-FDG PET Scan and MRI Diffusion.Evaluation of the Early Therapeutic Response of Diffuse Large B-cell Lymphoma (LYMPHODTECT)
18F-FDG PET Scan and MRI Diffusion : Correlation Study of the Evaluation of the Early Therapeutic Response of Diffuse Large B-cell Lymphoma
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
High-grade lymphomas are characterized by noisy symptomatology and quick progression kinetics in the absence of treatment. The therapeutic strategy and prognosis of patients depend on the initial staging and evaluation of early therapeutic response. Positron emission tomography injected with labeled fluorodeoxyglucose (18F-FDG PET-CT) is recommended in the initial disease balance; It also has a prognostic value demonstrated in the evaluation of the intermediate and final response of treatment of malignant non-Hodgkin's lymphoma B (LMNH B) to large cells through a qualitative visual analysis using the 5-point scale of Deauville, but also thanks to a quantitative analysis with the measurement of the Delta SUV max. If the 18F-FDG PET-CT is referred to, it is not without constraint, it is notably an examination leading to exposure to ionizing radiation for the patient.
Diffusion MRI (DWI) is a non-irradiating technique based on the evaluation of the diffusion of water molecules allowing indirect qualitative and quantitative analysis of the tumor microstructure, cellularity and integrity of the cell membrane . The tumor is thus detected thanks to its hypercellularity and the mapping of the apparent diffusion coefficient (ADC).
Several recent studies have demonstrated the feasibility and interest of MRI scattering and measurement of CDA in tumor staging and early therapeutic evaluation of high grade lymphomas and more particularly diffuse large B-cell Lyphoma, The latter being characterized by a high nucleo-cytoplasmic cellularity and ratio which makes it possible to obtain a strong signal and low ADC values in diffusion MRI (5) (7) (8) (9) (10) (12) (13) (14). However, there are few studies comparing these two imaging techniques in the therapeutic evaluation of large cell LMNH B (6) (11) (15). The main limitations of the existing studies are their small size and, above all, the accuracy of the methodology for quantifying the measurement of therapeutic response and in particular in terms of quantitative analysis of CDA.
Study Type
Enrollment (Anticipated)
Phase
- Not Applicable
Contacts and Locations
Study Contact
- Name: Lauris GASTAUD, Dr
- Phone Number: +33492031047
- Email: lauris.gastaud@nice.unicancer.fr
Study Contact Backup
- Name: Antoine THYSS, Pr
- Phone Number: +33492031497
- Email: antoine.thyss@nice.unicancer.fr
Study Locations
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Nice, France, 06189
- Recruiting
- Centre Antoine-Lacassagne
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Contact:
- LAURIS GASTAUD, MD
- Phone Number: +330492031521
- Email: lauris.gastaud@nice.unicancer.fr
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Patient with Diffuse Large B-Cell Lymphoma confirmed histologically
- Patient with a tumor mass defined as measurable according to the RECIST 1.1 criteria,
- Patient requiring a standard first-line chemotherapy treatment (Rituximab -Cyclophosphamide - Hydroxyadriamycin - Oncovin - Prednisone = R-CHOP every 21 days),
- Patient older than 18 years,
- Performance status less than or equal to 2,
- Biological assessment meeting the following criteria: creatinine <150 μmol / l or creatinine clearance> 40 ml / min, total bilirubin <30 μmol / l, transaminases <2.5 x ULN
- Patient of childbearing age must agree to use Means of effective contraception during the treatment period,
- Patient having read the information note and having signed informed consent,
- Patient with Health care insurance available.
Exclusion Criteria:
- History of malignant hemopathy or solid tumor
- History of previous chemotherapy
- Contraindication to one of the examinations studied (Claustrophobia, Pacemaker ...)
- Patient included in another clinical trial for which a period of exclusion is mentioned.
- Patient considered to be a vulnerable person; Vulnerable persons are defined in article L1121-5 to - 8: Pregnant women, women who are pregnant, women who are breastfeeding, Persons deprived of their liberty by a judicial or administrative decision, persons who are hospitalized without consent under Articles L. 3212-1 and L. 3213-1 which do not fall under the provisions of Article L. 1121-8 and persons admitted to a health or social institution for purposes other than research Persons who are the subject of a legal protection measure or are unable to give their consent.
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: 18F-FDG PET SCAN
REALIZATION OF INITIAL 18F-FDG PET SCAN (PRE THERAPEUTIC), THEN BETWEEN CYCLE 2 DAY 10 AND CYCLE 3 DAY 1 MRI DIFFUSION REALIZATION OF INITIAL MRI DIFFUSION WITHIN 7 DAYS AFTER INITIAL 18F-FDG PET SCAN, THEN WITHIN 7 DAYS AFTER 18F-FDG PET SCAN 1. |
REALIZATION OF INITIAL 18F-FDG PET SCAN (PRE THERAPEUTIC), THEN BETWEEN CYCLE 2 DAY 10 AND CYCLE 3 DAY 1
REALIZATION OF INITIAL MRI DIFFUSION WITHIN 7 DAYS AFTER INITIAL 18F-FDG PET SCAN, THEN WITHIN 7 DAYS AFTER 18F-FDG PET SCAN 1.
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
measurement of the correlation between the Delta SUVmax in PET-TDM (or between the Deauville criteria if the Delta SUVmax is not applicable) and the Delta ADCmax in diffusion MRI.
Time Frame: up to 2 years
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scattering MRI in the assessment of the early therapeutic response of diffuse large cell Lymphoma.
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up to 2 years
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
progression free-survival at 2 years
Time Frame: up to 2 years
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Progression-free survival will be assessed between the date of diagnosis and the date of death (any cause) or progression (according to RECIST 1.1) within two years after inclusion.
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up to 2 years
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diagnostic performance of MRI scattering
Time Frame: Up to 4 years
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The diagnostic performance of MRI scattering will be assessed using the following parameters: sensitivity, specificity, positive predictive value (PPV) and negative predictive value (PNP), positive and negative likelihood ratios, area under the ROC as well as the Youden Index.
An optimal threshold of the Delta ADCmax will be defined, which will then correspond to a maximum Youden index.
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Up to 4 years
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- The degree of inter- and intra-observer association (concordance) of the ADCmax
Time Frame: up to 4 years
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The degree of inter- and intra-observer association (concordance) of the ADCmax will be calculated using the intra-class correlation coefficient (ICC).
A representation of Bland and Altman will also be performed in addition to the ICC calculation
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up to 4 years
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Collaborators and Investigators
Sponsor
Study record dates
Study Major Dates
Study Start (Actual)
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
- Immune System Diseases
- Neoplasms by Histologic Type
- Neoplasms
- Lymphoproliferative Disorders
- Lymphatic Diseases
- Immunoproliferative Disorders
- Lymphoma, Non-Hodgkin
- Lymphoma
- Lymphoma, B-Cell
- Lymphoma, Large B-Cell, Diffuse
- Molecular Mechanisms of Pharmacological Action
- Radiopharmaceuticals
- Fluorodeoxyglucose F18
Other Study ID Numbers
- 2016/12
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
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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