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Clinical Trial Summary

To study the radioactive uptake of [68Ga]P137 in the lesion sites of PCa patients and evaluate the ability of [68Ga]P137 to detect PSMA overexpression in PCa patients (especially those with recurrent or advanced PCa).

Clinical Trial Description

Prostate cancer is the most common malignancy of the male reproductive system.Prostate specific membrane antigen is a highly specific prostatic epithelial cell membrane antigen, which is highly expressed in solid tumors such as prostate cancer. More than 90% of prostate cancer cells express PSMA, so PSMA can be used as an important imaging target for prostate cancer.Positron emission tomography has the advantages of non-invasive, high resolution and high sensitivity, etc. The PET tracer based on PSMA radiographic label is developing rapidly, which is of great significance for the early diagnosis, prognosis and treatment of prostate cancer.Used for radionuclide 68Ga has a half-life of PET imaging (T1/2 = 68 min) is appropriate, prepared from 68Ge-68Ga generator, relatively low cost, coordination marking method is simple, easy to realize automatic synthesis technology and advantages of medicine preparation, so 68Ga- labeled PSMA targeted molecular probe in prostate cancer has been widely applied in the diagnosis of disease. [68Ga]P137 is a novel PSMA targeted molecular probe labeled with 68Ga. DOTA is used as a bifunctional linker to coordinate with 68Ga3+. The labeling method is simple, the biological stability is high, the tumor site has obvious radioactive enrichment, and the imaging effect is superior.This project provides research on [68Ga]P137 PET/CT imaging for patients with suspected PCa, and provides basis for early diagnosis of PCa, formulation of treatment plan and efficacy evaluation. ;

Study Design

Related Conditions & MeSH terms

NCT number NCT04560725
Study type Interventional
Source Peking University Cancer Hospital & Institute
Status Active, not recruiting
Phase N/A
Start date October 22, 2020
Completion date December 1, 2024

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