RGD PET/CT Imaging in COVID-19 Patients

Status Completed

Clinical Trial Summary

Aim: We aim to evaluate αvβ3 integrin expression in proven COVID-19 infected patients with indicative findings on routine contrast-enhanced CT using [68Ga]Ga-DOTA-(RGD)2. If activated vascular endothelium in the lung parenchyma proceeds ARDS, as frequently observed during COVID-19 infection, imaging αvβ3 integrin expression using PET/CT could have potential as a clinical tool to characterize patients at early stages during disease and guide development of novel treatments targeting the vascular endothelium. Study design: This is a prospective, observational non-randomized pilot study. Maximum 10 patients will undergo a [68Ga]Ga-DOTA-(RGD)2 PET/CT scan and CT-subtraction scan in the same procedure. 10-minutes/bed position static [68Ga]Ga-DOTA-(RGD)2 PET/CT scans of the thorax will be acquired starting at 60 minutes post injection. Study population: Maximum 10 patients from the Infectious Diseases ward with proven COVID-19 infection and indicative pulmonary abnormalities on contrast-enhanced CT (CORADS 4-5) undergo PET/CT scans after injection of 70 μg (200 MBq) [68Ga]Ga-DOTA-(RGD)2 and CT-subtraction. Intervention: All patients will undergo a [68Ga]Ga-DOTA-(RGD)2 PET/CT scan, and in the same procedure, a CT-subtraction scan. Primary study objective: The primary objective of this study is to demonstrate and quantitate activation of the endothelium in the lung vasculature using [68Ga]Ga-DOTA-(RGD)2 PET/CT. Secondary study objectives: 1. To assess the spatial correlation between [68Ga]Ga-DOTA-(RGD)2 uptake and abnormal findings on routine contrast-enhanced CT scan of the chest 2. To assess the spatial correlation between [68Ga]Ga-DOTA-(RGD)2 and CTS of the lung parenchyma 3. To assess the correlation between [68Ga]Ga-DOTA-(RGD)2 and laboratory results 4. To explore the correlation between [68Ga]Ga-DOTA-(RGD)2 uptake and clinical course of disease

Clinical Trial Description

n/a

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT04596943
Study type	Observational
Source	Radboud University
Contact
Status	Completed
Phase
Start date	October 15, 2020
Completion date	March 1, 2021

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