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This study investigates whole-body distribution kinetics of intravenously administered Gallium-69 (68Ga) citrate by positron emission tomography (PET)/computed tomography (CT). Thereafter, radiation dosimetry of 68Ga-citrate PET/CT will be determined.
Six healthy male volunteers are recruited in this study. Gallium-68 citrate radiopharmaceutical is intravenously injected as a bolus and whole-body distribution kinetics are studied by dynamic whole-body positron emission tomography/computed tomography. During imaging, serial venous blood samples are drawn, plasma is separated and radioactivity is measured by gamma counter. Immediately after imaging session, urine is voided and radioactivity is measured by gamma counting. As a final point, radiation dosimetry due to single Gallium-68 citrate injection is determined.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Gallium-68 citrate | Other | Intravenous bolus injection of 200 MBq of Gallium-68 citrate |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Gallium-68 citrate | Other | Single intravenous bolus injection of 200 MBq of Gallium-68 citrate radiopharmaceutical |
|
| Measure | Description | Time Frame |
|---|---|---|
| Whole-body distribution of Gallium-68 citrate | 4 hours |
| Measure | Description | Time Frame |
|---|---|---|
| Absorbed dose | Absorbed ionisation radiation dose in critical organs due to intravenous bolus injection of 200 MBq of Gallium citrate | 4 hours |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Anne Roivainen | Turku University Hospital | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Turku University Hospital/Turku PET Centre | Turku | FI-20521 | Finland |
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| ID | Term |
|---|---|
| C103850 | gallium citrate |
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