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The objective of this pilot study is to collect preliminary data using total body scans on a new, first of its kind, FDA 510k-cleared positron emission tomography/computed tomography (PET/CT) scanner, called EXPLORER. The study will aim to recruit healthy individuals from racial/ethnic minority populations.
The aim of this pilot study is to increase the number of healthy individuals from racial/ethnic minority populations. This will advance research being conducted at EMIC by providing "controls" or comparisons to differentiate between images from patients with cancer versus healthy people of the same racial/ethnic ancestry. In addition, blood samples from participants to this study will be utilized for quantitative, genetics-based estimates of ancestry (e.g., African, Chinese, Colombian, Western European, Mexican, Vietnamese, etc.), which is especially valuable in the case of admixed individuals.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| EXPLORER PET/CT Imaging | Experimental | Study participants will be injected with 10 +/- 2 mCi of 18F-FDG using and IV line and a 60 minute PET scan will begin on EXPLORER. Prior to the PET scan, an ultra-low-dose CT scan (less than 1 minute ) will be acquired for attenuation correction purposes only. Ninety (90) minutes after being injected with FDG, participants will have another ultra-low dose CT scan (less than 1 minute) which will be acquired for attenuation correction purposes only. This will be followed by a 20 minute PET scan on EXPLORER. One-hundred and twenty (120) minutes after being injected with FDG, participants will be positioned supine on the scanner table for the last time. At this time, a low dose CT scan (less than 1 minute) will be acquired once again for attenuation correction purposes. This will be followed by one last 20 minute PET scan on EXPLORER. The IV line will be removed after completion of the study. |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| EXPLORER PET/CT | Device | FDG PET Scans on the total body EXPLORER PET/CT scanner |
|
| Measure | Description | Time Frame |
|---|---|---|
| Standardized Uptake Value (SUV) in gm/ml Reported as Mean and Standard Deviation | To collect preliminary data about total body FDG perfusion and early biodistribution in a cohort of racial/ethnic minority volunteers as measured by standardized uptake value (SUV) in gm/ml reported as Mean and Standard Deviation. The SUV is the ratio of the image-derived radioactivity concentration and the whole body concentration of the infected radioactivity. | 3 hours |
| Count of Participants With Confirmed Ancestry Informative Markers | Participants' self-reported racial/ethnic identity and ancestral origin confirmation with Ancestry Informative Markers (AIMS) analysis | 15 minutes |
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Inclusion criteria:
Exclusion criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Moon Chen, PhD | University of California, Davis | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| University of California, Davis | Sacramento | California | 95817 | United States |
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| ID | Title | Description |
|---|---|---|
| FG000 | EXPLORER PET/CT Imaging | Study participants will be injected with 10 +/- 2 mCi of 18F-FDG using and IV line and a 60 minute PET scan will begin on EXPLORER. Prior to the PET scan, an ultra-low-dose CT scan (less than 1 minute ) will be acquired for attenuation correction purposes only. Ninety (90) minutes after being injected with FDG, participants will have another ultra-low dose CT scan (less than 1 minute) which will be acquired for attenuation correction purposes only. This will be followed by a 20 minute PET scan on EXPLORER. One-hundred and twenty (120) minutes after being injected with FDG, participants will be positioned supine on the scanner table for the last time. At this time, a low dose CT scan (less than 1 minute) will be acquired once again for attenuation correction purposes. This will be followed by one last 20 minute PET scan on EXPLORER. The IV line will be removed after completion of the study. EXPLORER PET/CT: FDG PET Scans on the total body EXPLORER PET/CT scanner |
| Title | Milestones | Reasons Not Completed | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Overall Study |
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| ID | Title | Description |
|---|---|---|
| BG000 | EXPLORER PET/CT Imaging | Study participants will be injected with 10 +/- 2 mCi of 18F-FDG using and IV line and a 60 minute PET scan will begin on EXPLORER. Prior to the PET scan, an ultra-low-dose CT scan (less than 1 minute ) will be acquired for attenuation correction purposes only. Ninety (90) minutes after being injected with FDG, participants will have another ultra-low dose CT scan (less than 1 minute) which will be acquired for attenuation correction purposes only. This will be followed by a 20 minute PET scan on EXPLORER. One-hundred and twenty (120) minutes after being injected with FDG, participants will be positioned supine on the scanner table for the last time. At this time, a low dose CT scan (less than 1 minute) will be acquired once again for attenuation correction purposes. This will be followed by one last 20 minute PET scan on EXPLORER. The IV line will be removed after completion of the study. EXPLORER PET/CT: FDG PET Scans on the total body EXPLORER PET/CT scanner |
| Units | Counts |
|---|---|
| Participants |
|
| Title | Description | Population Description | Parameter Type | Dispersion Type | Unit of Measure | Calculate Percentage | Denominator Units Selected | Denominators | Classes |
|---|---|---|---|---|---|---|---|---|---|
| Age, Continuous | Mean |
| Type | Title | Description | Population Description | Reporting Status | Anticipated Posting Date | Parameter Type | Dispersion Type | Unit of Measure | Calculate Percentage | Time Frame | Units Analyzed | Denominator Units Selected | Arm/Group Information | Denominators | Classes | Analyses | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Primary | Standardized Uptake Value (SUV) in gm/ml Reported as Mean and Standard Deviation | To collect preliminary data about total body FDG perfusion and early biodistribution in a cohort of racial/ethnic minority volunteers as measured by standardized uptake value (SUV) in gm/ml reported as Mean and Standard Deviation. The SUV is the ratio of the image-derived radioactivity concentration and the whole body concentration of the infected radioactivity. | All the participants completed their scheduled scans at three timepoints: dynamic scan for 60 minutes, two scans at 90- and 120-minutes post-injection, for 20-minutes each. | Posted | Mean | Standard Deviation | gm/ml | 3 hours |
|
AEs were collected during the study protocol activity of the one appointment for approximately 3 hours at which time the subject was off study.
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| ID | Title | Description | Deaths (Affected) | Deaths (At Risk) | Serious Events (Affected) | Serious Events (At Risk) | Other Events (Affected) | Other Events (At Risk) |
|---|---|---|---|---|---|---|---|---|
| EG000 | EXPLORER PET/CT Imaging | Study participants will be injected with 10 +/- 2 mCi of 18F-FDG using and IV line and a 60 minute PET scan will begin on EXPLORER. Prior to the PET scan, an ultra-low-dose CT scan (less than 1 minute ) will be acquired for attenuation correction purposes only. Ninety (90) minutes after being injected with FDG, participants will have another ultra-low dose CT scan (less than 1 minute) which will be acquired for attenuation correction purposes only. This will be followed by a 20 minute PET scan on EXPLORER. One-hundred and twenty (120) minutes after being injected with FDG, participants will be positioned supine on the scanner table for the last time. At this time, a low dose CT scan (less than 1 minute) will be acquired once again for attenuation correction purposes. This will be followed by one last 20 minute PET scan on EXPLORER. The IV line will be removed after completion of the study. EXPLORER PET/CT: FDG PET Scans on the total body EXPLORER PET/CT scanner |
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| Title | Organization | Phone | Extension | |
|---|---|---|---|---|
| Dr. Moon Chen | University of California Davis | 916-734-1191 | mschenjr@ucdavis.edu |
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| Type | Includes Protocol | Includes SAP | Includes ICF | Document Label | Document Date | Document Uploaded Date | Document File Name |
|---|---|---|---|---|---|---|---|
| Prot_SAP_ICF | Yes | Yes | Yes | Study Protocol, Statistical Analysis Plan, and Informed Consent Form | Sep 14, 2021 | Sep 6, 2022 | Prot_SAP_ICF_001.pdf |
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| years |
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| Sex: Female, Male | Count of Participants | Participants |
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| Ethnicity (NIH/OMB) | Count of Participants | Participants |
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| Race (NIH/OMB) | Count of Participants | Participants |
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| Primary | Count of Participants With Confirmed Ancestry Informative Markers | Participants' self-reported racial/ethnic identity and ancestral origin confirmation with Ancestry Informative Markers (AIMS) analysis | Posted | Count of Participants | Participants | 15 minutes |
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| 0 |
| 20 |
| 0 |
| 20 |
| 0 |
| 20 |
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