Pulmonary Nodules Clinical Trial
Official title:
Evaluation for Benign and Malignant Pulmonary Ground-glass Nodules Based on MRI Dynamic Contrast Enhanced Imaging
Verified date | October 2021 |
Source | Qianfoshan Hospital |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
Computed tomography (CT) is critical for the diagnosis of lung nodules as well as for therapeutic management. Repeated CT examinations will raise the issue of the cumulative radiation dose and subsequent risk of cancer, thus pushing the need for imaging techniques using low or no radiation dose. Magnetic Resonance Imagery (MRI) with ultrashort echo time (UTE) pulse sequences with high signal-to-noise and spatial resolution is a promising alternative for lung nodules imaging.The purpose of the study is to evaluate the value of dynamic contrast-enhanced MR imaging (DCE-MRI) to discriminate of malignant from benign lesions.
Status | Not yet recruiting |
Enrollment | 50 |
Est. completion date | March 15, 2023 |
Est. primary completion date | December 15, 2022 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 18 Years and older |
Eligibility | Inclusion Criteria: - Ground-glass pulmonary nodules found by CT scan - Plan to accept surgery or puncture due to the pulmonary nodules - Absence of treatment such as chemotherapy or radiotherapy and biopsy - Adequate renal function to tolerate intravenous gadolinium - Agree to sign informed consent - Able to lie still during DCE-MRI Exclusion Criteria: - Fail to understand or agree to sign informed consent - Implanted pacemaker or cardiac defibrillator - Contraindications to undergoing MRI - Uncontrolled intercurrent illness - Pregnant or breastfeeding |
Country | Name | City | State |
---|---|---|---|
n/a |
Lead Sponsor | Collaborator |
---|---|
Qianfoshan Hospital |
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Volume transfer constant (Ktrans) | Pharmacokinetic parameters will be estimated by fitting a pharmacokinetic model to the actual time-intensity curves obtained from the DCE-MRI. | 12 months | |
Primary | the fractional volume of extravascular extracellular space of the target tissue (ve) | Pharmacokinetic parameters will be estimated by fitting a pharmacokinetic model to the actual time-intensity curves obtained from the DCE-MRI. | 12 months | |
Primary | the rate constant (kep) | Pharmacokinetic parameters will be estimated by fitting a pharmacokinetic model to the actual time-intensity curves obtained from the DCE-MRI. | 12 months |
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