Unique ID issued by UMIN | UMIN000020724 |
---|---|
Receipt number | R000023810 |
Scientific Title | Evaluation of technology and performance of novel free radical imaging system (DNP-MRI) |
Date of disclosure of the study information | 2016/01/25 |
Last modified on | 2021/10/30 15:37:04 |
Evaluation of technology and performance of novel free radical imaging system (DNP-MRI)
Evaluation of novel free radical imaging system (DNP-MRI)
Evaluation of technology and performance of novel free radical imaging system (DNP-MRI)
Evaluation of novel free radical imaging system (DNP-MRI)
Japan |
healthy volunteers
Radiology | Adult |
Others
NO
Evaluate technology and performance of novel free radical imaging system (DNP-MRI)
Safety,Efficacy
Differences between images obtained by field-cycled DNP-MRI achieved by magnet rotation and those by field-cycled MRI, and signal intensities of free radicals deduced from them. Temperature increase of surface coil sites and skin surface during image acquisition.
Resolution of images obtained by static MRI, resolution of images obtained by field-cycled MRI achieved by magnet rotation.
Interventional
Single arm
Non-randomized
Open -no one is blinded
Uncontrolled
1
Diagnosis
Device,equipment |
MRI of the hands of healthy volunteers are obtained in both static and field-cycled (with magnetic rotation) mode. Then, the hands are placed near tubes containing free radicals and they are scanned by DNP-MRI to obtain images of free radicals.
20 | years-old | <= |
Not applicable |
Male
Healthy volunteers who understand the study and agree to participate voluntarily.
1. People who have electrically, magnetically or mechanically activated implants (such as cardiac pacemakers).
2. People who have serious conditions such as cardiac decompensation.
3. Any other people who are regarded as unsuitable for this study by the principal investigator.
3
1st name | |
Middle name | |
Last name | Hideo Utsumi |
Kyushu University
Innovation Center for Medical Redox Navigation
3-1-1, Maidashi, Higashi-ku, Fukuoka
092-642-6155
hideo.utsumi.278@m.kyushu-u.ac.jp
1st name | |
Middle name | |
Last name | Tomoko Tahira |
Kyushu University
Innovation Center for Medical Redox Navigation
3-1-1, Maidashi, Higashi-ku, Fukuoka
092-642-6589
tahira@redoxnavi.med.kyushu-u.ac.jp
Kyushu University, Innovation Center for Medical Redox Navigation
Ministry of Education, Culture, Sports, Science and Technology, Japan
Japanese Governmental office
NO
2016 | Year | 01 | Month | 25 | Day |
doi.org/10.1021/acs.anal.chem.1c02578
Published
doi.org/10.1021/acs.anal.chem.1c02578
3
We developed a novel field-cycling DNP-MRI system for a preclinical study. The image quality was examined using various pulse sequences and ESR irradiation using nitroxyl radical as the phantom, and the optimum conditions were established. Using the system, we performed a preclinical study involving free radical imaging by placing the free radicals under the palm of a human hand.
2021 | Year | 10 | Month | 30 | Day |
2021 | Year | 10 | Month | 05 | Day |
Three healthy Japanese males (55, 65, and 70 years of age) volunteered for this study.
All volunteers provided informed consent in accordance with the regulation set forth and were approved by the ethical committee of the NPO Clinical Research Network, Fukuoka.
No adverse events was observed.
Quality of MRI image and the change of temperature at the observation position.
Main results already published
2015 | Year | 12 | Month | 15 | Day |
2015 | Year | 12 | Month | 15 | Day |
2016 | Year | 01 | Month | 25 | Day |
2016 | Year | 03 | Month | 01 | Day |
2016 | Year | 03 | Month | 31 | Day |
2016 | Year | 01 | Month | 25 | Day |
2021 | Year | 10 | Month | 30 | Day |
Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000023810