- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02095808
Metabolic Biomarkers in Thoracic Cancers
Study Overview
Detailed Description
The recent report of the findings of the National Lung Screening Trial indicates that screening a high-risk population using low dose CT results in a 20% reduction in lung cancer mortality. At our institution, some of positive nodules that are 1 cm or larger would be imaged using combined fluoro-deoxyglucose positron emission tomography (FDG PET)/CT. Highly suspicious nodules would be biopsied if the risks were manageable. Otherwise, the suspicious nodules not eligible for biopsy and so-called "indeterminate" nodules are followed using CT to be evaluated for interval growth.
The overall goal of this project is to assess several very promising imaging biomarkers that can reflect either the physiological or metabolic status of these nodules in order to develop more accurate imaging algorithms for follow-up that are either less invasive or do not use ionizing radiation or both. Based on our experience with other cancers and our preliminary results in lung cancer, we have identified four potential imaging studies that we believe have the potential to result in validated "imaging biomarkers" that can either individually, or in combination, characterize malignancies. Since tumors tend to exhibit angiogenesis and altered vascular permeability, we and others, have found that analyses of dynamic contrast enhanced MRI (DCEMRI) can be employed as "imaging biomarkers" for malignancy. Tumors often exhibit higher cellularity than benign or normal tissue suggesting that pixel-by-pixel ADC values derived from diffusion weighted MRI could be useful imaging biomarkers. Finally, measuring alterations in metabolic fluxes through the use of pathway specific C-13 labeled compounds, a technique pioneered here at the Advanced Imaging Research Center (AIRC) at UT Southwestern, has shown the capability of providing metabolic fingerprints for malignant and benign tissue. This approach, while invasive, could identify and validate markers that can be detected non-invasively in future studies. We will also employ advanced metabolomics methods to identify potential signature "onco-metabolites" in these lung cancers.
Study Type
Enrollment (Estimated)
Phase
- Not Applicable
Contacts and Locations
Study Contact
- Name: Ebele Mbanugo, Ed.D, CCRP
- Phone Number: 214-648-7097
- Email: ebele.mbanugo@utsouthwestern.edu
Study Locations
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Texas
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Dallas, Texas, United States, 75390
- Recruiting
- University of Texas Southwestern Medical Center
-
Contact:
- Ebele Mbanugo, Ed.D, CCRP
- Phone Number: 214-648-7097
- Email: ebele.mbanugo@utsouthwestern.edu
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- Patients must have known or probable malignant lesions requiring surgical biopsy or excision.
- Subjects of all races and ethnic origins over 18 years of age.
Exclusion Criteria:
- Not a surgical candidate.
- Poorly controlled diabetes.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Basic Science
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Surgery
The 13C-glucose solution will be given intravenously. It will be started at about the same time as the start of surgery, according to the study guidelines. The 13C-glucose IV solution will be stopped once the surgeon has removed the tumor tissue. |
Want to see if using 13C-glucose helps in detecting cancer and deciding on a treatment plan.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
DCE-MRI
Time Frame: One time - within 5 days of the scheduled surgery
|
Physicians and researchers will review the results of the imaging to determine if the patient will receive the [U-13C] glucose infusion.
|
One time - within 5 days of the scheduled surgery
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
C-13 isotopomer
Time Frame: During the infusion period blood samples will be collected every 30 minutes (for 2-3 hours) until the end of tumor sampling for mass spec and NMR analyisis of C-glucose in the blood.
|
Employ C-13 isotopomer analysis and metabolomics on specimens obtained from resected tissue of suitable patients in this cohort to determine the metabolic alterations present in lung cancer.
|
During the infusion period blood samples will be collected every 30 minutes (for 2-3 hours) until the end of tumor sampling for mass spec and NMR analyisis of C-glucose in the blood.
|
Collaborators and Investigators
Investigators
- Principal Investigator: Kemp H Kernstine, MD, University of Texas Southwestern Medical Center
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Estimated)
Study Completion (Estimated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimated)
Study Record Updates
Last Update Posted (Estimated)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- STU 052012-065
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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