Blood and Stool Sample Collection in Subjects Participating in Colorectal Cancer Screening: Act Bold
Public ClinicalTrials.gov record NCT03821948. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
The primary objective of this study is to collect de-identified, clinically-characterized stool and whole blood specimens for use in developing and evaluating the performance of new biomarker assays for detection of colorectal cancer (CRC).
Study identification
- NCT ID
- NCT03821948
- Recruitment status
- Completed
- Study type
- Observational
- Phase
- Not listed
- Enrollment
- 5,131 participants
Conditions and interventions
Conditions
Interventions
Not listed
Eligibility (public fields only)
- Age range
- 40 Years and older
- Sex
- All
- Healthy volunteers
- Accepts healthy volunteers
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Jan 3, 2019 (Actual)
- Primary completion
- Feb 28, 2020 (Actual)
- Completion
- May 15, 2020 (Actual)
- Last update posted
- Jul 21, 2020
2019 – 2020
United States locations
- U.S. sites
- 40
- U.S. states
- 19
- U.S. cities
- 39
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| CCT Research/Fiel Family and Sports Medicine | Tempe | Arizona | 85283 | — |
| GW Research, Inc | Chula Vista | California | 91910 | — |
| Marvel Research, LLC | Huntington Beach | California | 92647 | — |
| Desert Medical Group Inc | Palm Springs | California | 92262 | — |
| Great Lakes Medical Research, LLC | San Diego | California | 92103 | — |
| Connecticut Clinical Research Institute, LLC | Hartford | Connecticut | 06016 | — |
| Yale University | New Haven | Connecticut | 06520 | — |
| Guardian Angel Research Center | Tampa | Florida | 33614 | — |
| DM Clinical Research/Southwest Gastroenterology | Oak Lawn | Illinois | 60453 | — |
| Margaret Mary Health | Batesville | Indiana | 47006 | — |
| Deaconess Clinic-Mt. Pleasant | Evansville | Indiana | 47725 | — |
| Deaconess Clinic-Gateway | Newburgh | Indiana | 47630 | — |
| New Orleans Research Institute | Metairie | Louisiana | 70006 | — |
| Delta Research Partners | Monroe | Louisiana | 71201 | — |
| Louisiana Research Center, LLC | Shreveport | Louisiana | 71105 | — |
| Centennial Medical Group | Elkridge | Maryland | 21075 | — |
| Capitol Research | Rockville | Maryland | 20850 | — |
| Great Lakes Medical Research, LLC | East Lansing | Michigan | 48823 | — |
| Mayo Clinic | Rochester | Minnesota | 55905 | — |
| AGA Clinical Research Associates, LLC | Egg Harbor | New Jersey | 08234 | — |
| Digestive Disease Care, PC | New Hyde Park | New York | 11040 | — |
| Digestive Health Partners, PA | Asheville | North Carolina | 28801 | — |
| Charlotte Gastroenterology and Hepatology, LLC | Charlotte | North Carolina | 28207 | — |
| Trial Management Associates, LLC | Wilmington | North Carolina | 28403 | — |
| Great Lakes Medical Research | Beachwood | Ohio | 44122 | — |
| Family Practice Center of Wooster, Inc./Clinical Trial Developers | Massillon | Ohio | 44647 | — |
| Great Lakes Gastroenterology Research, LLC | Mentor | Ohio | 44060 | — |
| Great Lakes Medical Research, LLC | Westlake | Ohio | 44145 | — |
| Comprehensive Internal Medicine, Inc | Wooster | Ohio | 44691 | — |
| Great Lakes Medical Research | Erie | Pennsylvania | 16506 | — |
| Susquehanna Research Group | Harrisburg | Pennsylvania | 17110 | — |
| Great Lakes Medical Research, LLC | Union City | Tennessee | 38261 | — |
| MediSync Clinical Research | Austin | Texas | 78726 | — |
| Northside Gastroenterology | Cypress | Texas | 77429 | — |
| Vilo Research Group, Inc | Houston | Texas | 77017 | — |
| Digestive Health Associates | Houston | Texas | 77024 | — |
| DM Clinical Research/PCP For Life | Magnolia | Texas | 77355 | — |
| Blue Ridge Medical Research | Lynchburg | Virginia | 24502 | — |
| Virginia Gastroenterology Institute | Suffolk | Virginia | 23434 | — |
| Wenatchee Valley Hospital | Wenatchee | Washington | 98801 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT03821948, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Jul 21, 2020 · Synced Oct 21, 2026
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Open the official record
The complete public registry record, listed eligibility criteria, and available contact information for NCT03821948 live on ClinicalTrials.gov.