- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04645628
Optimization of the Acquisition Sequence to Improve the Quality and Comfort of Magnetic Resonance Imaging Exam (AIMANT)
March 2, 2026 updated by: Valérie LAURENT, Central Hospital, Nancy, France
The purpose of this study is to evaluate the optimization of MRI acquisition sequences.
Study Overview
Status
Recruiting
Intervention / Treatment
Study Type
Interventional
Enrollment (Estimated)
720
Phase
- Not Applicable
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Contact
- Name: Valérie LAURENT, MD, PhD
- Phone Number: +33383154181
- Email: v.laurent@chru-nancy.fr
Study Contact Backup
- Name: Gabriela HOSSU, PhD
- Phone Number: +33383155096
- Email: g.hossu@chru-nancy.fr
Study Locations
-
-
-
Nancy, France, 5400
- Recruiting
- CHRU de Nancy
-
Contact:
- Valerie Laurent, Md, PhD
-
-
Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
18 years and older (Adult, Older Adult)
Accepts Healthy Volunteers
Yes
Description
Inclusion Criteria for all subjects :
- to be over 18 year-old,
- to be able to understand the instructions given,
- to be enrolled in a social security plan,
- to have underwent a pre-inclusion medical examination,
- to give a written consent.
Inclusion Criteria especially for Patients :
- to perform a MRI examination of the head, neck, spine, thorax, abdomen, pelvis, retroperitoneum, lower limbs, upper limbs or whole body during clinical follow-up care.
Exclusion Criteria for all subjects :
- any contraindication to MR examination (active medical device, ferromagnetic foreign body, pregnancy, morbid obesity, claustrophobia, … ),
- subject under a measure of legal protection.
Exclusion Criteria especially for Healthy Subjects :
- to have a pathology in the anatomical area to be imaged
- to be employed by the CHRU of Nancy or having the slightest link of subordination with the CHRU of Nancy.
Exclusion Criteria especially for Patients :
- to have a limited MRI examination time due to a sensitive clinical situation (sedation, unstable hemodynamic state, postoperative).
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
- Primary Purpose: Other
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
|---|---|
|
Experimental: All subjects will have an MRI examination
|
All subjects (healthy subjects and patients) will have an MRI examination with optimized sequences
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
|---|---|---|
|
Image quality based on standard imaging quality criteria.
Time Frame: 6 months after the last inclusion
|
The image quality will be appreciated visually at least by a radiologist or a researcher.
|
6 months after the last inclusion
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
|---|---|---|
|
Comparison of the Signal to Noise Ratio obtained by the optimized MRI sequence and the reference situation (standard sequence).
Time Frame: 6 months after the last inclusion
|
Signal to Noise Ratio will be measured in arbitrary units.
|
6 months after the last inclusion
|
|
Comparison of the Contrast to Noise Ratio obtained by the optimized MRI sequence and the reference situation (standard sequence).
Time Frame: 6 months after the last inclusion
|
Contrast to Noise Ratio will be measured in arbitrary units.
|
6 months after the last inclusion
|
|
Comparison of the acquisition time obtained with the optimized MRI sequence and the reference situation (standard sequence).
Time Frame: 6 months after the last inclusion
|
Time acquisition will be evaluated in minutes.
|
6 months after the last inclusion
|
|
Comparison of blurring and artefacts obtained by the optimized MRI sequence and the reference situation (standard sequence).
Time Frame: 6 months after the last inclusion
|
Absence of blurring and artefacts will be assessed by at least one radiologist according to an ordinal scale.
|
6 months after the last inclusion
|
|
Comparison of the spatial resolution obtained by the optimized MRI sequence and the reference situation (standard sequence).
Time Frame: 6 months after the last inclusion
|
Spatial resolution will be measured in mm².
|
6 months after the last inclusion
|
|
Qualification of the MRI acquisition for a clinical study.
Time Frame: 6 months after the inclusion
|
Validation of MRI acquisition by a centralized review center.
|
6 months after the inclusion
|
|
Evaluation of intra-subject reproducibility on the same MRI and on two MRIs.
Time Frame: 6 months after the last inclusion
|
Measurement of intra-subject reproducibility on the same MRI and on two MRIs by the intra-class correlation coefficient for quantitative measurement or by the kappa coefficient for a qualitative measurement.
|
6 months after the last inclusion
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
Publications and helpful links
The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.
General Publications
- He Z, Soullie P, Lefebvre P, Ambarki K, Felblinger J, Odille F. Changes of in vivo electrical conductivity in the brain and torso related to age, fat fraction and sex using MRI. Sci Rep. 2024 Jul 12;14(1):16109. doi: 10.1038/s41598-024-67014-9.
- Caron B, Laurent V, Odille F, Danese S, Hossu G, Peyrin-Biroulet L. New magnetic resonance imaging sequences for fibrosis assessment in Crohn's disease: a pilot study. Scand J Gastroenterol. 2022 Dec;57(12):1450-1453. doi: 10.1080/00365521.2022.2094727. Epub 2022 Sep 29.
- Boubaker F, Lane JI, Puel U, Drouot G, Witte RJ, Ambarki K, Gondim-Teixeira PA, Blum A, Parietti-Winkler C, Vallee JN, Gillet R, Eliezer M. High-Resolution 3T MRI of the Membranous Labyrinth Using Deep Learning Reconstruction. AJNR Am J Neuroradiol. 2026 Feb 16. doi: 10.3174/ajnr.A8989. Online ahead of print.
- Gillet R, Boubaker F, Clara M, Ambarki K, Stemmer A, Drouot G, Gillet P, Gondim Teixeira PA, Blum A. Optimizing knee MRI: 3D proton density turbo spin echo nDixon sequence vs. 2D high-resolution turbo spin echo in half the acquisition time. Eur J Radiol. 2026 Feb;195:112552. doi: 10.1016/j.ejrad.2025.112552. Epub 2025 Nov 19.
- Wary P, Hossu G, Ambarki K, Nickel D, Arberet S, Oster J, Orry X, Laurent V. Deep learning HASTE sequence compared with T2-weighted BLADE sequence for liver MRI at 3 Tesla: a qualitative and quantitative prospective study. Eur Radiol. 2023 Oct;33(10):6817-6827. doi: 10.1007/s00330-023-09693-y. Epub 2023 May 16.
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start (Actual)
December 4, 2020
Primary Completion (Estimated)
December 8, 2027
Study Completion (Estimated)
December 1, 2028
Study Registration Dates
First Submitted
November 16, 2020
First Submitted That Met QC Criteria
November 20, 2020
First Posted (Actual)
November 27, 2020
Study Record Updates
Last Update Posted (Actual)
March 4, 2026
Last Update Submitted That Met QC Criteria
March 2, 2026
Last Verified
March 1, 2026
More Information
Terms related to this study
Other Study ID Numbers
- 2020-A01969-30
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
No
Studies a U.S. FDA-regulated device product
No
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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