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Ultra-High Resolution PET of the Human Brain and Spinal Cord in Healthy Aging, Dementia, Movement Disorders, ALS and Psychotic Disorders
Sponsor study identifier
interventional
300
1 country
1
Study Start
February 13, 2026
Actual (reported)Primary Completion
September 2029
EstimatedPlanned date reported by the registry; this milestone is not confirmed as achieved.
Study Completion
September 2029
EstimatedPlanned date reported by the registry; this milestone is not confirmed as achieved.
The goal of this study is to use ultra-high-resolution (UHR) PET imaging to better understand how the brain and spinal cord change in healthy aging and in neurological and psychiatric disorders such as Alzheimer's disease (AD), Parkinson's disease and related movement disorders, amyotrophic lateral sclerosis (ALS), and psychotic disorders. Researchers will use the NeuroExplorer PET/CT system, a new scanner that can show very small structures in the brain and spinal cord in much more detail than regular PET. The main questions this study aims to answer are:
Registry-reported information. Elapsed time and enrollment totals alone do not measure study progress or recruitment pace.
September 2029
EstimatedPlanned date reported by the registry; this milestone is not confirmed as achieved.
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Dates and qualifiers reported by the registry. Estimated dates do not confirm that a milestone has occurred.
January 16, 2026
Actual (reported)February 13, 2026
Actual (reported)April 3, 2026
Actual (reported)September 2029
EstimatedPlanned date reported by the registry; this milestone is not confirmed as achieved.
September 2029
EstimatedPlanned date reported by the registry; this milestone is not confirmed as achieved.
Volume distribution (mL/cm³) in small brain nuclei of tracers ¹⁸F-FDG, ¹⁸F-PE2I, ¹⁸F-SynVesT-1 and ¹⁸F-MK6240
To evaluate the regional binding patterns in small brain nuclei using four PET tracers (18F-FDG, 18F-PE2I, 18F-SynVest-1, 18F-MK6240) in different subject groups (healthy controls and disease cohorts). Quantitative outcome metrics will include distribution volumes with and without partial volume correction (PVC).
Through study completion, an average of 4 year
Standardized uptake value ratios (SUVR) in small brain nuclei of tracers ¹⁸F-FDG, ¹⁸F-PE2I, ¹⁸F-SynVesT-1 and ¹⁸F-MK6240
To evaluate the regional binding patterns in small brain nuclei using four PET tracers (18F-FDG, 18F-PE2I, 18F-SynVest-1, 18F-MK6240) in different subject groups (healthy controls and disease cohorts). Quantitative outcome metrics will include standardized uptake value ratios (SUVR) with and without partial volume correction (PVC).
Through study completion, an average of 4 year
Participants in this arm are healthy controls undergoing ultra-high-resolution (UHR) PET imaging on the NeuroEXPLORER system using multiple radiotracers (¹⁸F-FDG, ¹⁸F-PE2I, ¹⁸F-SynVesT-1 and ¹⁸F-MK6240), in combination with 3T MRI. No therapeutic intervention is administered.
Participants in this arm are patients with biomarker-confirmed amnestic mild cognitive impairment due to Alzheimer's disease undergoing UHR PET imaging using ¹⁸F-FDG and ¹⁸F-MK6240, in combination with 3T MRI. No therapeutic intervention is administered.
Ultra-high-resolution PET/CT imaging of the brain on the NeuroEXPLORER system using ¹⁸F-FDG radiotracer to assess glucose metabolism
UZ Leuven
Leuven, Vlaams-Brabant, 3000, Belgium
Li H, Badawi RD, Cherry SR, Fontaine K, He L, Henry S, Hillmer AT, Hu L, Khattar N, Leung EK, Li T, Li Y, Liu C, Liu P, Lu Z, Majewski S, Matuskey D, Morris ED, Mulnix T, Omidvari N, Samanta S, Selfridge A, Sun X, Toyonaga T, Volpi T, Zeng T, Jones T, Qi J, Carson RE. Performance Characteristics of the NeuroEXPLORER, a Next-Generation Human Brain PET/CT Imager. J Nucl Med. 2024 Aug 1;65(8):1320-1326. doi: 10.2967/jnumed.124.267767.
Omidvari N, Shanina E, Leung EK, Sun X, Li Y, Mulnix T, Gravel P, Henry S, Matuskey D, Volpi T, Jones T, Badawi RD, Li H, Carson RE, Qi J, Cherry SR. Quantitative Accuracy Assessment of the NeuroEXPLORER for Diverse Imaging Applications: Moving Beyond Standard Evaluations. J Nucl Med. 2025 Jan 3;66(1):150-157. doi: 10.2967/jnumed.124.268309.
First Submitted
January 16, 2026
First Posted
April 3, 2026
Study Start
February 13, 2026
Actual (reported)Primary Completion
Correlation between regional PET tracer uptake and cognitive performance
Through study completion, an average of 4 year
Correlation between regional PET tracer uptake and motor and functional impairment
Through study completion, an average of 4 year
Participants in this arm are patients within the ALS and ALS-FTD spectrum undergoing UHR PET imaging using ¹⁸F-FDG, with a subgroup additionally undergoing ¹⁸F-SynVesT-1 PET, in combination with 3T MRI. No therapeutic intervention is administered.
Participants in this arm include patients with Parkinson's disease, atypical parkinsonism, dementia with Lewy bodies or idiopathic REM sleep behavior disorder undergoing UHR PET imaging using ¹⁸F-FDG, ¹⁸F-PE2I and ¹⁸F-SynVesT-1, in combination with 3T MRI. No therapeutic intervention is administered.
Participants in this arm are patients with adult-onset or very late-onset psychotic disorders undergoing UHR PET imaging using ¹⁸F-FDG, in combination with 3T MRI. No therapeutic intervention is administered.
Ultra-high-resolution PET/CT imaging of the brain on the NeuroEXPLORER system using ¹⁸F-PE2I radiotracer to assess dopaminergic activity
Ultra-high-resolution PET/CT imaging of the brain on the NeuroEXPLORER system using ¹⁸F-SynVesT-1 radiotracer to assess synaptic density
Ultra-high-resolution PET/CT imaging of the brain on the NeuroEXPLORER system using ¹⁸F-MK6240 radiotracer to assess neurofibrillary tangles
All participants will undergo 3T MRI, including T1- and FLAIR-weighted sequences for anatomical reference and white matter pathology, neuromelanin-sensitive imaging to assess SN and LC integrity, and multi-shell diffusion-weighted imaging (DWI) for white matter tractography.
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September 2029
EstimatedPlanned date reported by the registry; this milestone is not confirmed as achieved.
Study Completion
September 2029
EstimatedPlanned date reported by the registry; this milestone is not confirmed as achieved.
Last Updated
April 3, 2026
Record last verified: 2026-03
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Source: ClinicalTrials.gov.
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