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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT02744729
Other study ID # FirstAHFujian
Secondary ID
Status Completed
Phase Early Phase 1
First received
Last updated
Start date October 2015
Est. completion date January 2017

Study information

Verified date July 2020
Source First Affiliated Hospital of Fujian Medical University
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

This is an open-label single photon emission computed tomography / computed tomography (SPECT/CT) study to investigate the safety and diagnostic performance of 99mTc-HYNIC-3PEG4-E[c(RGDfK)2) (99mTc-3PRGD2) in esophagus cancer patients. A single dose of nearly 11.1 MBq/kg body weight of 99mTc-3PRGD2 ( ≤ 20 µg 3PRGD2) will be intravenously injected into the patients in suspicion of esophagus cancer. Visual and semiquantitative method will be used to assess the whole-body planar and thoracic SPECT/CT images. Any adverse events will be collected from the patients.


Description:

Integrin αvβ3 is an important member of integrin receptor family and expressed preferentially on the activated endothelial cells of angiogenesis and some types of tumor cells, but not or very low on the quiescent vessel cells and other normal cells. Therefore, the integrin αvβ3 receptor is becoming a valuable target for diagnosis and response evaluation of malignant tumors.

The tri-peptide sequence of arginine-glycine-aspartic acid (RGD) can specifically bind to the integrin αvβ3 receptor. Accordingly, a variety of radiolabeled RGD-based peptides have been developed for non-invasive imaging of integrin αvβ3 expression via single photon emission computed tomography (SPECT)or positron emission tomography (PET). Among all the RGD radiotracers studied, several RGD monomers have been investigated in clinical trials, and the preliminary results demonstrated specific imaging of various types of tumors, and the tumor uptake correlated well with the level of integrin αvβ3 expression. Recently, several RGD dimeric peptides with PEG linkers have been studied. The new types of RGD peptides showed much higher in vitro integrin αvβ3-binding affinity than the single RGD tri-peptide sequence, and importantly, they exhibited significantly increased tumor uptake and improved in vivo kinetics in animal models. As a representative, 99mTc-3PRGD2 could be easily prepared and exhibited excellent in vivo behaviors in animal models. No adverse reactions are observed in animal models to date.

For the further interests in clinical translation of 99mTc-3PRGD2, an open-label SPECT/CT study was designed to investigate the safety and diagnostic performance of 99mTc-3PRGD2 in esophagus cancer patients. A single dose of nearly 11.1 MBq/kg body weight 99mTc-3PRGD2 ( ≤ 20 µg 3PRGD2) will be intravenously injected into the esophagus cancer patients. Visual and semiquantitative method will be used to assess the whole-body planar and thoracic SPECT/CT images. Adverse events will also be observed in the patients.


Recruitment information / eligibility

Status Completed
Enrollment 29
Est. completion date January 2017
Est. primary completion date January 2017
Accepts healthy volunteers No
Gender All
Age group 30 Years to 80 Years
Eligibility Inclusion Criteria:

- Males and females, =30 years old

- Thoracic CT and/or gastroscopy diagnosis in suspicion of primary or recurrent lung cancer.

- The lung cancer will be histologically confirmed or results of histology will be available.

Exclusion Criteria:

- Females planning to bear a child recently or with childbearing potential

- Known severe allergy or hypersensitivity to IV radiographic contrast.

- Inability to lie still for the entire imaging time because of cough, pain, etc.

- Inability to complete the needed examinations due to severe claustrophobia, radiation phobia, etc.

- Concurrent severe and/or uncontrolled and/or unstable other medical disease that, in the opinion of the Investigator, may significantly interfere with study compliance.

Study Design


Related Conditions & MeSH terms


Intervention

Drug:
99mTc-3PRGD2
For patients in suspicion of esophagus cancer, single intravenous bolus injection of nearly 11.1 MBq/kg body weight of 99mTc-3PRGD2 on day one of the treatment period, whole-body planar and thoracic SPECT/CT to determine the accumulation of 99mTc-3PRGD2 in the tumors and the other parts of the body.

Locations

Country Name City State
China Department of Nuclear Medicine, First Affiliated Hospital of Fujian Medical University Fuzhou Fujian

Sponsors (1)

Lead Sponsor Collaborator
First Affiliated Hospital of Fujian Medical University

Country where clinical trial is conducted

China, 

Outcome

Type Measure Description Time frame Safety issue
Primary Visual Assessment of Esophagus Lesions in 99mTc-3PRGD2 SPECT/CT Scan Visual analysis will be performed by 3 experienced nuclear medicine physicians to observe the the uptake of 99mTc-3PRGD2 on esophagus lesions. The visual analysis interpreter's degree of suspicion for an abnormality was recorded with use of a 3-point with the following categories: score 1, no abnormal increased uptake; score 2, mildly increased uptake; score 3, definite focal increased uptake. The lesion was considered positive as malignancy if the lesion scored as 2 or higher. one year
Primary Semiquantitative Assessment of Esophagus Lesions in 99mTc-3PRGD2 SPECT/CT Scan The semiquantitative analysis of the standardized uptake values (SUV) of 99mTc-3PRGD2 SPECT/CT was performed on esophagus lesion one year
Secondary 18F-FDG PET/CT Scan 18F-FDG PET/CT will be carried out in esophagus cancer patients to assess the uptake of esophagus lesions or distant metastasis and the standardized uptake values (SUVs) of these lesions will be measured. one year
Secondary Laboratory Values The blood level of CEA(carcino-embryonic antigen,ng/ml)in participants will be recorded. one year
Secondary Adverse events collection Adverse events within 5 days after the injection and scanning of the patients will be followed and assessed. The number of participants with adverse events and abnormal laboratory values will be recorded. 5 days
Secondary Contrast-enhanced CT Contrast-enhanced CT will be carried out in esophagus cancer patients to observe the location and tumor diameter (cm). one year
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