- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02771769
Analysis of Cell-free DNA (cfDNA) in Men With Elevated PSA Levels
A Multi-center Prospective Study to Analyze Cancer-derived Cell-free DNA (cfDNA) in Men With Elevated PSA Levels
Study Overview
Detailed Description
The prostate is the most common site of cancer in men with 240,000 new cases diagnosed annually in the United States with approximately 28,000 yearly deaths. Prostate screening typically relies on digital rectal exam (DRE) and prostate specific antigen (PSA) levels. Limitations of the PSA test include its low sensitivity and low specificity and its inability to distinguish between low-grade and high-grade lesions. Recent screening trials suggest that PSA-based screening programs result in small or no reduction in mortality, and have significant treatment-related adverse events (AEs). Better serum/plasma biomarkers are needed to supplement the PSA test in the diagnosis and management of a disease with a multiplicity of presentations and clinical outcomes.
Cancer-derived DNA present in peripheral blood (referred to as cell-free DNA or cfDNA) was first reported in 1948, but research into this area remained in a dormant state for over 50 years. Over the last ten years however, the development of Next Generation Sequencing (NGS) using massive parallel arrays has allowed researchers to create a database robust enough to distinguish normal genomic from non-diploid cfDNA. In 2008, fetal trisomy of chromosome 21 was detected by analyzing cfDNA in maternal blood. Since then, the method has been validated for trisomy 13, 18, and 21 as a clinical laboratory procedure with remarkable accuracy >99%. Recently, cancer derived cfDNA has been demonstrated to recapitulate genomic tumor DNA. Current clinical acceptance of the utility of cfDNA in cancer diagnosis has been demonstrated in multiple abstracts at the 2014 and 2015 ASCO meetings in Chicago.
In a recent publication in Clinical Chemistry, researchers at Vanderbilt University, Gottingen, Germany, and at the University of Toronto, Canada, analyzed cfDNA in the bloodstream from healthy controls as compared to those with clinically diagnosed prostate cancer. The results of this study demonstrated that it is possible to distinguish prostate cancer from healthy controls without prior knowledge of the genetic signature of the tumors and with over three times the sensitivity of the FDA-approved blood test for prostate cancer (i.e., prostate-specific antigen (PSA)). The study examined serum from more than 200 subjects with prostate cancer and more than 200 controls. The comparative data included PSA levels and prostate tissue biopsy grading (referred to as the Gleason score). The technique distinguished prostate cancer from normal controls with 84% accuracy and cancer from benign hyperplasia and prostatitis with an accuracy of 91%. Because the method quantifies the inherent chromosomal instability of cancer and can be followed as a function of time (without having to do an invasive tissue biopsy), it is called a "liquid biopsy." This multi-centre clinical study will analyze cfDNA from subjects scheduled for prostate biopsy and is designed to validate the results obtained in the above-mentioned retrospective study. If validated, the prostate cfDNA determination test will provide a non-invasive test to aid in the diagnosis of prostate cancer, as well as provide guidance on whether a biopsy should be performed.
With regard to the study procedures used, the study subject will undergo routine venipuncture and ~20 millilitres of blood (approximately 2 tablespoons) will be collected. The blood will then be processed by the Sponsor's laboratory and sent to the Sponsor's testing facility in Gottingen, Germany.
Study Type
Enrollment (Actual)
Contacts and Locations
Study Locations
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Maryland
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Baltimore, Maryland, United States, 21201
- University of Maryland Cancer Center
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Tennessee
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Nashville, Tennessee, United States, 37212
- Vanderbilt University Medical Center
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Sampling Method
Study Population
Description
Inclusion Criteria:
- Who, in the opinion of the site Investigator, have an abnormal PSA level as measured by a CLIA certified laboratory or non-USA equivalent within the last 60 days, and/or
- Who, in the opinion of the site Investigator, have an abnormal digital rectal examination
Exclusion Criteria:
- Male subjects with active or historical histologically confirmed diagnosis of malignancy
- Male subjects who have participated in a clinical trial involving an investigational drug within the 28 days prior to signing the informed consent form
Study Plan
How is the study designed?
Design Details
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
CNI correlation with biopsy
Time Frame: Through completion of study and all data analysis which may take up to 2 years.
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To determine if copy number instability (CNI scores) derived from analysis of cell-free cancer DNA (cfDNA) in patients undergoing prostate biopsy correlates with biopsy diagnosis of prostate cancer.
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Through completion of study and all data analysis which may take up to 2 years.
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
CNI correlation with BPH
Time Frame: Through completion of study and all data analysis which may take up to 2 years.
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To determine if copy number instability (CNI scores) derived from analysis of cell-free DNA (cfDNA) in patients undergoing prostate biopsy can distinguish between biopsy diagnosis of benign prostatic hyperplasia (BPH) and prostate cancer.
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Through completion of study and all data analysis which may take up to 2 years.
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CNI correlation with PIN
Time Frame: Through completion of study and all data analysis which may take up to 2 years.
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To determine if copy number instability (CNI scores) derived from analysis of cell-free DNA (cfDNA) in patients undergoing prostate biopsy correlates with measured evidence of prostatic intraepithelial neoplasia (PIN).
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Through completion of study and all data analysis which may take up to 2 years.
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Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: David F Penson, MD, Vanderbilt University
Publications and helpful links
General Publications
- Chou R, Croswell JM, Dana T, Bougatsos C, Blazina I, Fu R, Gleitsmann K, Koenig HC, Lam C, Maltz A, Rugge JB, Lin K. Screening for prostate cancer: a review of the evidence for the U.S. Preventive Services Task Force. Ann Intern Med. 2011 Dec 6;155(11):762-71. doi: 10.7326/0003-4819-155-11-201112060-00375. Epub 2011 Oct 7.
- Bill-Axelson A, Holmberg L, Garmo H, Rider JR, Taari K, Busch C, Nordling S, Haggman M, Andersson SO, Spangberg A, Andren O, Palmgren J, Steineck G, Adami HO, Johansson JE. Radical prostatectomy or watchful waiting in early prostate cancer. N Engl J Med. 2014 Mar 6;370(10):932-42. doi: 10.1056/NEJMoa1311593.
- Renard E, Bringer J, Augustin I, Orsetti A, Jaffiol C. [Value of dexamethasone suppression tests in the diagnosis of hypercortisolism of ectopic or adrenal origin]. Presse Med. 1989 Feb 25;18(8):435. No abstract available. French.
Study record dates
Study Major Dates
Study Start
Primary Completion (ACTUAL)
Study Completion (ACTUAL)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (ESTIMATE)
Study Record Updates
Last Update Posted (ACTUAL)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- CHX-2015-01
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
IPD Plan Description
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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