68Ga PET/CT Imaging in Breast Cancer Patients
Study Details
Study Description
Brief Summary
PSMA is highly expressed on the cell surface of the microvasculature of several solid tumors, including breast cancer. This makes it a potentially imaging target for the detection and grading of breast cancer. This pilot study was designed to evaluate the diagnostic performance of 68Ga-P16-093, a novel radiopharmaceutical targeting PSMA, which was compared with 18F-FDG in the same group of breast cancer patients.
Condition or Disease | Intervention/Treatment | Phase |
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Phase 1/Phase 2 |
Detailed Description
PSMA has been confirmed to be over expressed in vascular endothelial cells of various malignant solid tumors, such as breast cancer and renal cancer, which can provide growth advantages for various cancers by cutting the signal molecules involved in angiogenesis. Positron emission tomography (PET) imaging using radiolabeled molecules targeting PSMA can detect a variety of non prostate cancer solid tumors such as breast cancer and glioma. According to previous studies, PSMA can detect primary and metastasis lesions of breast cancer patients, and has a higher uptake value in triple negative breast cancer and HER2 overexpressed patients. The uptake may be related to tumor grade.
Study Design
Arms and Interventions
Arm | Intervention/Treatment |
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Experimental: 68Ga-P16-093 and 18F-FDG scan Within 1 week, each patient underwent 68Ga-P16-093 and 18F-FDG PET/CT scan after intravenous administration of 68Ga-P16-093 and 18F-FDG, respectively. |
Diagnostic Test: Drug: 68Ga-P16-093
Intravenous injection of 68Ga-P16-093 with the dosage of 1.5-1.8 MBq (0.04-0.05 mCi)/kg. Tracer doses of 68Ga-P16-093 will be used to image lesions of breast cancer by PET/CT.
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Outcome Measures
Primary Outcome Measures
- Diagnostic performance [through study completion, an average of 1 year]
comparing the number of tumor detected by 68Ga-P16-093 and 18F-FDG
Secondary Outcome Measures
- standardized uptake value (SUV) of tumor [through study completion, an average of 1 year]
comparing the SUVmax of tumor of different lesions derived from 68Ga-P16-093 AND 18F-FDG
Eligibility Criteria
Criteria
Inclusion Criteria:
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breast cancer patients highly suggested by ultrasound or histologically confirmed;
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68Ga-P16-093 PET/CT and 18F-FDG within two weeks;
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signed written consent.
Exclusion Criteria:
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known allergy against PSMA;
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any medical condition that in the opinion of the investigator may significantly interfere with study compliance.
Contacts and Locations
Locations
Site | City | State | Country | Postal Code | |
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1 | Peking Union Medical College Hospital | Beijing | China | 100730 |
Sponsors and Collaborators
- Peking Union Medical College Hospital
Investigators
- Principal Investigator: Zhaohui Zhu, Peking Union Medical College Hospital
Study Documents (Full-Text)
None provided.More Information
Publications
None provided.- PekingUMCH-BCa093