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Clinical Trial Details — Status: Not yet recruiting

Administrative data

NCT number NCT06097741
Other study ID # 1029785
Secondary ID
Status Not yet recruiting
Phase N/A
First received
Last updated
Start date November 1, 2023
Est. completion date January 1, 2025

Study information

Verified date October 2023
Source IWK Health Centre
Contact Mareen Kraus, MD
Phone (647)657-7003
Email mareen.kraus@iwk.nshealth.ca
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Modern imaging modalities, especially magnetic resonance imaging (MRI) have greatly advanced in recent years. Through technical advances, proton-based magnetic resonance imaging (MRI) has steadily increased in use to assess pulmonary structures in the pediatric population especially in Europe. Such technical developments have advanced by overcoming rapid decaying of transverse relaxation time and cardiac/chest movement synchronization, showing MRI to be feasible with respect to morphological and functional assessment of pulmonary impairment, in chronic lung disease such as cystic fibrosis for disease progression and prediction of exacerbation. However pulmonary imaging with MRI has also been feasible to detect pulmonary nodules in malignancies (allowing for spatial resolution).


Description:

This prospective study will enable developing/ fine tuning for an optimized ultra-short echo/zero echo MRI sequence to enable pulmonary imaging with assessment of detailed lung structures which is important in patient with chronic lung disease. This will enable radiation sparing through x-ray and computed tomography, especially reduce the accumulation dose in long term follow up imaging of patients with chronic lung disease. Also, detailed pulmonary imaging enables more detailed imaging in comparison to the standard reference of care often using radiographs, can pick up disease prior to clinical symptoms, is a useful tool to assess treatment outcome and can sometimes even prevent chronic changes by early disease diagnosis and rapid treatment. This is of particular interest in patients with chronic lung disease, such as cystic fibrosis, but also other congenital lung diseases such as congenital pulmonary airway malformation (CPAM) or malignant diseases which will otherwise have a second CT imaging to assess the lung. The investigators will recruit healthy volunteers to assess the available MR sequences on the 1.5 T MRI scanner at the IWK health Centre in the Department of Diagnostic Imaging and either fine tune/modify the existing protocol with the help of the MRI technologist and application specialists or build a new sequence according to the most recent literature. The aim is to recruit 15 patients of different age group (aged 3- 18 years old) to assure a robust imaging protocol for all age groups. Especially, the preschool age group can be more challenging due to increased cardiac and respiratory motion, but also the understanding of the diagnostic imaging with guidance of the in house child life support as well as parental guidance and support, the possibility to watch a video on the MRI scanner to distract the patient as best as possible since the aim is to conduct the short pulmonary MRI protocol without the need for sedation.


Recruitment information / eligibility

Status Not yet recruiting
Enrollment 15
Est. completion date January 1, 2025
Est. primary completion date April 1, 2024
Accepts healthy volunteers Accepts Healthy Volunteers
Gender All
Age group 3 Years to 18 Years
Eligibility Inclusion Criteria: - Healthy participants (without prior history of pulmonary disease) - Ages 3 - 18 years old Exclusion Criteria: - prior history of pulmonary disease - implants - surgeries - pregnancy - metal devices - braces - anything that would exclude them from taking an MRI

Study Design


Related Conditions & MeSH terms


Intervention

Device:
MRI sequences
Ultra short / zero TE sequence on MRI being tested on healthy patients and improved by manually fine tuning the sequence

Locations

Country Name City State
n/a

Sponsors (1)

Lead Sponsor Collaborator
IWK Health Centre

Outcome

Type Measure Description Time frame Safety issue
Primary Image Quality Imaging acquisition with and without breath hold is being tested and ultimately reconstruction of the acquired imaging. It will be assessed if the imaging is going to be of clinical and diagnostic standard by an experienced pediatric and pulmonary radiologist who has worked with ultra-short/zero TE sequences in clinical routine before. Here by imaging will be assessed looking at overall quality, signal, movement artifact of heart and breathing. Feasibility of preschool children to undergo imaging protocol in terms of protocol length, breathing maneuvers, general tolerability. Image acquisition in November will undergo immediate assessment to potentially enhance imaging quality. Images will then be promptly reviewed on PACS after acquisition and post-trial termination, with parameters compared for an optimal sequence protocol.
Primary Acquisition Time The image acquisition is meant to take place in November and imaging will be assessed at the time of acquisition so that alteration of imaging parameters might improve imaging overall. The images itself will again be viewed on PACS shortly after acquisition and after termination of the trial imaging acquisition. Parameters will be compared to elaborate the best possible sequence protocol. Volunteers get a call for MRI details. After 3 days, if they agree, we set imaging appointments. The PI and tech clarify, perform imaging, confirm post-exam well-being, and have a brief follow-up chat.
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