Collection of Samples USOPTIVAL Study
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ClinicalTrials.gov Identifier: NCT04792684 |
Recruitment Status :
Recruiting
First Posted : March 11, 2021
Last Update Posted : January 27, 2023
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Condition or disease | Intervention/treatment |
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Colorectal Cancer (CRC) Advanced Adenomas (AA) | Diagnostic Test: Optimization of Plasma Circulating Free-DNA (cfDNA) Marker Panel |
This study is designed to prospectively collect blood samples and clinical data from subjects that have a suspected advanced adenoma or have been newly diagnosed with CRC scheduled for resection surgery, as well as subjects who are at average-risk of colorectal cancer and who are scheduled for routine colonoscopy examination.
Subjects interested in participation and who meet inclusion criteria and provide written informed consent will be enrolled in the study. By accepting participation in the study, subjects will consent to provide up to 40 ml of blood at the study visit.
Study Type : | Observational |
Estimated Enrollment : | 1300 participants |
Observational Model: | Case-Control |
Time Perspective: | Prospective |
Official Title: | Collection of Samples From the United States Population for Optimization and Evaluation of Colorectal Cancer (CRC) Plasma Circulating Free-DNA (cfDNA) Marker Panel Performance ("USOPTIVAL") |
Actual Study Start Date : | December 30, 2020 |
Estimated Primary Completion Date : | June 30, 2023 |
Estimated Study Completion Date : | June 30, 2023 |
Group/Cohort | Intervention/treatment |
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Arm A.
Subjects that have a suspected advanced adenoma or have been newly diagnosed with CRC still not resected and scheduled for surgery
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Diagnostic Test: Optimization of Plasma Circulating Free-DNA (cfDNA) Marker Panel
Evaluate the performance of a preliminary panel of biomarkers |
Arm B
Subjects at average-risk for CRC and scheduled for CRC screening colonoscopy
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Diagnostic Test: Optimization of Plasma Circulating Free-DNA (cfDNA) Marker Panel
Evaluate the performance of a preliminary panel of biomarkers |
- Samples Collected for Plasma Circulating Free-DNA (cfDNA) Marker Testing [ Time Frame: Within 12 months of sample collection ]Samples Collected for Testing
Biospecimen Retention: Samples With DNA

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.
Ages Eligible for Study: | 45 Years to 84 Years (Adult, Older Adult) |
Sexes Eligible for Study: | All |
Gender Based Eligibility: | Yes |
Accepts Healthy Volunteers: | Yes |
Sampling Method: | Non-Probability Sample |
Two cohorts of patients aged between 45 and 84, who have a suspected advanced adenoma or have been newly diagnosed with CRC, still not resected and scheduled for surgery, and patients who are at average risk of developing colorectal cancer, scheduled for a standard-of-care screening colonoscopy.
Subjects will be considered enrolled after understanding and signing the ICF and a determination is made by the Investigator that the subject is eligible to participate according to the inclusion/exclusion criteria.
Enrollment will be stopped when a sufficient number of confirmed cases of colorectal cancer, advanced adenomas, and matching control subjects have been enrolled. Under the current assumptions, 1,200 subjects will need to be enrolled.
Inclusion Criteria:
Arm A:
- Must be 45-84 years of age.
- Must have a suspected advanced adenoma or be newly diagnosed with CRC, still not resected, and scheduled for surgery.
- Able to comprehend, sign, and date the written informed consent document.
Arm B:
- Must be 45-84 years of age.
- Able and willing to undergo a standard-of-care screening colonoscopy within 60 days.
- Able to comprehend, sign, and date the written informed consent document.
Exclusion Criteria:
Arm A Only:
1. Subject with curative biopsy during colonoscopy.
Arm B Only:
- Subjects with positive FIT Test results in the 6 months preceding enrollment.
- Subject has a current diagnosis of cancer.
Arms A & B:
- Subject has a personal history of aerodigestive or digestive tract cancers.
- Subjects having undergone previous partial surgical removal of one or more portions of their colon due to a reason other than colorectal cancer.
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Has a known diagnosis or personal history of any of the following high-risk indications for colorectal cancer:
- Inflammatory bowel disease (IBD) including chronic ulcerative colitis (CUC) and Crohn's disease.
- Familial adenomatous polyposis ("FAP", including attenuated FAP).
- Hereditary non-polyposis colorectal cancer syndrome ("HNPCC" or "Lynch Syndrome").
- Serrated polyposis syndrome
- 2 first-degree relatives (e.g., parents, siblings, and offspring) who have been diagnosed with colon cancer.
- One first-degree relative with CRC diagnosed before the age of 60.
- A significant disease which, in the Investigator's opinion, would exclude the subject from the study.
- Legal incapacity or limited mental capacity.
- Medical or psychological conditions that would not permit the subject to complete the study or sign informed consent.
- The patient has a known or documented previous or current medical history of infectious diseases that can be transmitted through blood (E.g. Hepatitis, HIV, etc.), including patients that have been treated, are currently being treated, or have not been treated for that conditions.
- The patient is known to be pregnant when recruited or during her participation in the study.

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT04792684
Contact: Alvaro Leiva | (+34) 674 94 55 33 | aleiva@universaldx.com |
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Responsible Party: | Universal Diagnostics |
ClinicalTrials.gov Identifier: | NCT04792684 |
Other Study ID Numbers: |
CRC-US-001 |
First Posted: | March 11, 2021 Key Record Dates |
Last Update Posted: | January 27, 2023 |
Last Verified: | January 2023 |
Individual Participant Data (IPD) Sharing Statement: | |
Plan to Share IPD: | No |
Studies a U.S. FDA-regulated Drug Product: | No |
Studies a U.S. FDA-regulated Device Product: | No |
Colorectal Neoplasms Adenoma Intestinal Neoplasms Gastrointestinal Neoplasms Digestive System Neoplasms Neoplasms by Site Neoplasms |
Digestive System Diseases Gastrointestinal Diseases Colonic Diseases Intestinal Diseases Rectal Diseases Neoplasms, Glandular and Epithelial Neoplasms by Histologic Type |