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Prostate-specific membrane antigen (PSMA) is a type II transmembrane glycoprotein that consists of 750 amino acids. It is highly expressed on most prostate cancer cells and neovascular endothelial cells of tumors, making PSMA a highly specific and significant imaging target for malignancies.
[68Ga]P3, a novel molecular probe of PET imaging agent that targets PSMA, can be used in the diagnosis and research of a wide variety of PSMA high-expression malignanciesr.
Prostate-specific membrane antigen (PSMA) is a type II transmembrane glycoprotein that consists of 750 amino acids. It is highly expressed on most prostate cancer cells and neovascular endothelial cells of tumors, making PSMA a highly specific and significant imaging target for malignancies.[68Ga]P3, a novel molecular probe of PET imaging agent that targets PSMA, can be used in the diagnosis and research of a wide variety of PSMA high-expression malignanciesr.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| [68Ga]P3 | Experimental | Subjects with suspected or confirmed Prostate will receive an intravenous injection of 68Ga-P3 followed by PET imaging. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| [68Ga]P3 | Drug | 68Ga-P3 is injected intravenously with a dose of 0.06-0.08 mCi/kg. |
|
| Measure | Description | Time Frame |
|---|---|---|
| The diagnostic efficacy of 68Ga-P3 PET/CT in the evaluation of Prostate | the standardized Uptake Value (SUV) of lesions on 68Ga-P3 PET/CT | 1 year |
| The detection efficacy of 68Ga-P3 PET/CT in the evaluation of Prostate | the number of lesions detected by 68Ga-P3 PET/CT, based on the pathology or clinical follow-up as gold standard. | 1 year |
| Measure | Description | Time Frame |
|---|---|---|
| The dosimetry of 68Ga-P3 | Research on the dose distribution of 68Ga-P3 in healthy volunteers and cancer patients by 1-hour dynamic PET/CT acquisition and analyze by the dosimetry software | 1 year |
| Quantitative evaluation of 68Ga-P3 |
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Inclusion Criteria:
patients with confirmed or suspected cancer; Signed written informed consent
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Xing Yang, Dr. | Contact | +861083572928 | yangxing2017@bjmu.edu.cn |
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Peking University First Hospital | Recruiting | Beijing | Beijing Municipality | 100034 | China |
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| ID | Term |
|---|---|
| D009369 | Neoplasms |
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Analyze PSMA expression at the imaging level in combination with PSMA expression in pathological specimens
| 1 year |
| Correlation with pathological expression | Analyze PSMA expression at the imaging level in combination with PSMA expression in pathological specimens | 1 year |