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Completed

NCT Number: NCT06159049

Clinical Translation of a Novel FAPI Dimer [68Ga]Ga-LNC1013

Fibroblast activation protein (FAP) emerges as a highly promising target for cancer diagnostic imaging and targeted radionuclide therapy. To exploit the therapeutic potential of current FAP inhibitors (FAPIs), this study presented the design and synthesis of a series of FAPI dimers to increase tumor uptake and retention. Preclinical evaluation and a pilot clinical PET imaging study were conducted to screen the lead compound with the potential for radionuclide therapy.

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Key information

Conditions

Gastrointestinal Cancer Digestive System Diseases Digestive System Neoplasms Gastrointestinal Diseases Gastrointestinal Neoplasms Neoplasms Neoplasms by Site

Age range

18 year–80 year

Sex eligibility

All sexes

Study type

Observational

Primary location

Jian Li

Changsha, Hunan, China

About this study

Three new FAPI dimers were synthesized by linking two quinoline-based FAPIs with different spacers. The in vitro binding affinity and preclinical small animal PET imaging of the compounds were compared with their monomeric counterparts, FAPI-04 and FAPI-46. The lead compound, 68Ga-LNC1013, was then evaluated in a pilot clinical PET imaging study involving seven patients with gastrointestinal cancer.

Who can participate

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Histologically and/or clinically confirmed and/or suspicious of gastrointestinal cancer.
  • Signed informed consent.

Exclusion criteria

  • pregnancy;
  • breastfeeding;
  • any medical condition that in the opinion of the investigator may significantly interfere with study compliance.

Treatment and study plan

68Ga-FAPI dimer(68Ga-LNC1013)

Diagnostic Test

68Ga-LNC1013 was evaluated in a pilot clinical PET imaging study involving seven patients with gastrointestinal cancer.

Primary outcomes

  1. Number of discrepancies between [68Ga]Ga-LNC1013 and 68Ga-FAPI-46 or 18F-FDG PET scans

    Time frame: 5 months

    Compare the diagnostic performance between [68Ga]Ga-LNC1013 and 68Ga-FAPI-46 or 18F-FDG in patients with gastrointestinal cancer

  2. SUVmaxFAPI and SUVmaxFDG for each target (Standardized Uptake Value)

    Time frame: 5 months

    Comparison of 68Ga]Ga-LNC1013, 68Ga-FAPI-46 and 18F-FDG Standardized Uptake Value in the primary tumor and possible metastases

Interested in participating?

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Sponsors and collaborators

Lead sponsor

Xiangya Hospital of Central South University

Other

Registry information

Important dates

Study start
2022
Primary completion
2022
Study completion
2022
First posted
Dec 6, 2023
Registry last updated
Dec 6, 2023

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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