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The purpose of this study is to study a radioactive tracer, a type of imaging drug that is injected into the body to see how it is taken up in sites of active infection using an imaging procedure called Positron Emission Tomography/Computed Tomography (PET/CT).
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Biodistribution cohort | Other | The Biodistribution cohort will include up to 5 patients who will undergo a series of vertex to mid-thigh (or feet if indicated) biodistribution [18F]fluoropropyl-trimethoprim PET/CT scans over a period of approximately 4 hours. |
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| The Dynamic cohort | Other | The Dynamic cohort will include up to 15 patients who will undergo approximately 60 minutes of dynamic scanning followed by up to 2 static skull base to mid-thigh (or feet if indicated) scans post injection of [18F]fluoropropyl-trimethoprim. |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| [18F]fluoropropyl-trimethoprim | Drug | [18F]Fluoropropyl-Trimethoprim, also known as [18F]F-TMP, is a radiolabeled imaging agent for positron emission tomography (PET/CT).The use most relevant to this protocol is for imaging bacterial infection in human subjects. The parent compound, trimethoprim (TMP) is a well-known, safe, broad-spectrum, synthetic, small molecule antibiotic that has been used clinically for over 50 years for the treatment of acute bacterial infection and has been combined with sulfa-based antibiotics (Bactrim/Septra) for bacterial infection prophylaxis especially in the lung and bladder. An immediate clinical use for TMP radiotracers is imaging of pathologic bacteria that are the cause of human infection. |
| Measure | Description | Time Frame |
|---|---|---|
| Understand the biodistribution of F-TMP in human patients by looking at the F-TMP uptake in PET/CT scans | Understand the biodistribution of F-TMP in human patients by comparing the F-TMP uptake using maxSUV and meanSUV of each ROI which will be drawn manually in tissues of interest including but not limited to: Blood pool, heart muscle, brain, thyroid, lymph nodes, lung, liver, kidney, small bowel, large bowel, adrenal gland, pancreas, gall bladder, bone, muscle, and gonads. | 3 year |
| Understanding the kinetics of uptake of [18F]F-TMP in human patients by looking at the F-TMP uptake in PET/CT scans | Understanding the the kinetics of uptake of [18F]F-TMP in human patients by comparing the F-TMP uptake using maxSUV and meanSUV of each ROI which will be drawn manually in tissues of interest including but not limited to: Blood pool, heart muscle, brain, thyroid, lymph nodes, lung, liver, kidney, small bowel, large bowel, adrenal gland, pancreas, gall bladder, bone, muscle, and gonads. | 3 years |
| Measure | Description | Time Frame |
|---|---|---|
| Compare the uptake of [18F]F-TMP in infected versus non-infected tissues using PET/CT scans. | Compare the uptake of [18F]F-TMP in infected versus non-infected tissues using interpretation of PET scan images (using maxSUV and meanSUV of each ROI which will be drawn manually in tissues of interest including but not limited to: Blood pool, heart muscle, brain, thyroid, lymph nodes, lung, liver, kidney, small bowel, large bowel, adrenal gland, pancreas, gall bladder, bone, muscle, and gonads) |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Erin Schubert | Contact | 215-662-3041 | erinschu@pennmedicine.upenn.edu |
| Name | Affiliation | Role |
|---|---|---|
| Daniel Pryma, MD | University of Pennsylvania | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| University of Pennsylvania | Recruiting | Philadelphia | Pennsylvania | 19104 | United States |
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| ID | Term |
|---|---|
| D001424 | Bacterial Infections |
| ID | Term |
|---|---|
| D001423 | Bacterial Infections and Mycoses |
| D007239 | Infections |
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| 3 year |
| Describe the change in biodistribution of uptake of [18F]F-TMP in human patients after therapy. | Describe the change in biodistribution of uptake of [18F]F-TMP in human patients after therapy using interpretation of PET scan images (using maxSUV and meanSUV of each ROI which will be drawn manually in tissues of interest including but not limited to: Blood pool, heart muscle, brain, thyroid, lymph nodes, lung, liver, kidney, small bowel, large bowel, adrenal gland, pancreas, gall bladder, bone, muscle, and gonads) | 3 year |
| Describe the change in kinetics of uptake of [18F]F-TMP in human patients after therapy. | Describe the change in kinetics of uptake of [18F]F-TMP in human patients after therapy (using maxSUV and meanSUV of each ROI which will be drawn manually in tissues of interest including but not limited to: Blood pool, heart muscle, brain, thyroid, lymph nodes, lung, liver, kidney, small bowel, large bowel, adrenal gland, pancreas, gall bladder, bone, muscle, and gonads) | 3 year |