Surgery Clinical Trial - 68Ga-TCR-FAPI PET/CT Guided Precision Surgery for

Status Recruiting

Clinical Trial Summary

This is a phase II clinical trial to evaluate the capability of 68Ga-labeled targeted covalent radiopharmaceutical (TCR) fibroblast activation protein inhibitor (FAPI) PET/CT to guide the surgical treatment of medullary thyroid carcinoma (MTC). The surgical extent of MTC is determined based on the lesion range revealed by 68Ga-TCR-FAPI PET/CT, with the main endpoint being 1-month post-surgical calcitonin level.

Clinical Trial Description

Surgery remains the only curative option for MTC, yet the current imaging-based method (ultrasound, CT, MRI, 18F-FDG PET/CT) or calcitonin-based method are insufficient to map the extent of disease. In the previous studies, TCR-FAPI can covalently bind to FAP that increase tumor uptake and tumor retention, and better diagnosed MTC than the current radiotracers. This is a phase II clinical trial to evaluate the capability of 68Ga-labeled targeted covalent radiopharmaceutical (TCR) fibroblast activation protein inhibitor (FAPI) PET/CT to guide the surgical treatment of medullary thyroid carcinoma (MTC). The surgical extent of MTC is determined based on the lesion range revealed by 68Ga-TCR-FAPI PET/CT, and the principles of surgery remains the same with differentiated thyroid carcinoma (i.e., lymph node dissection of level II-IV is required if lateral neck lymph node is considered metastasis). The primary endpoint of the study is 1-month post-surgical calcitonin level, and the secondary endpoints include the 2-year event free survival (EFS), the ratio of patient that change surgical plan, and the accuracy, sensitivity, specificity of 68Ga-TCR-FAPI PET/CT in identifying MTC lesions. Patient will be divided into three arms: 1) newly diagnosed MTC and all 68Ga-TCR-FAPI PET/CT avid lesions are resected; 2) recurrent/persistent MTC and all 68Ga-TCR-FAPI PET/CT avid lesions are resected; 3) distant metastasis or unresectable lesions shown by 68Ga-TCR-FAPI PET/CT imaging but still recommended for surgical treatment. The three arms will not be compared between each other but will be separately analyzed. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT06277180
Study type	Interventional
Source	Cancer Institute and Hospital, Chinese Academy of Medical Sciences
Contact	Shaoyan Liu, M.D.
Phone	0086-010-87787190
Email	shaoyanliu.bj@263.net
Status	Recruiting
Phase	N/A
Start date	October 1, 2023
Completion date	December 31, 2027

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

68Ga-TCR-FAPI PET/CT Guided Precision Surgery for MTC

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms