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ClinicalTrials.gov record
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Evaluation of the ctDNA LUNAR Test in an Average Patient Screening Episode

ClinicalTrials.gov ID: NCT04136002

Public ClinicalTrials.gov record NCT04136002. 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.

ClinicalTrials.gov public records Last synced Oct 24, 2026, 4:36 AM EDT

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 ECLIPSE (Evaluation of the ctDNA LUNAR test in an Average Patient Screening Episode) study is a prospective, observational multi-site study without randomization. The primary objective of the study is to evaluate the performance characteristics of a blood-based ctDNA LUNAR-2 test to detect colorectal cancer in a screen-relevant, average risk population.

Study identification

NCT ID
NCT04136002
Recruitment status
Active, not recruiting
Study type
Observational
Phase
Not listed
Lead sponsor
Guardant Health, Inc.
Industry
Enrollment
44,467 participants

Conditions and interventions

Interventions

Not listed

Eligibility (public fields only)

Age range
45 Years to 84 Years
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
Oct 8, 2019 (Actual)
Primary completion
Mar 20, 2024 (Actual)
Completion
Aug 5, 2027 (Estimated)
Last update posted
May 14, 2026

2019 – 2027

United States locations

U.S. sites
271
U.S. states
38
U.S. cities
220
Facility City State ZIP Site status
Pinnacle Research Group, LLC Anniston Alabama 36207 —
Lakeview Clinical Research Guntersville Alabama 35976 —
Medical Affiliated Research Center Huntsville Alabama 35801 —
Jasper Summit Research LLC Jasper Alabama 35501 —
Hope Research Institute Chandler Arizona 85224 —
Southeast Valley Gastroenterology Chandler Arizona 85224 —
Prime Medical Group, LLC Gilbert Arizona 85296 —
Hope Research Institute Glendale Arizona 85308 —
GI Research Associates, LLC Phoenix Arizona 85037 —
"Forty-Third Medical Associates Absolute Clinical Research" Phoenix Arizona 85051 —
Del Sol Research Management, LLC Tucson Arizona 85715 —
Novak Clinical Research Tucson Arizona 85741 —
Del Sol Research Management, LLC Tuscon Arizona 85715 —
Preferred Research Partners, Inc Little Rock Arkansas 72211 —
Premier Gastroenterology Little Rock Arkansas 72211 —
Arkansas Gastroenterology North Little Rock Arkansas 72117 —
Associated Gastroenterology Medical Group Anaheim California 92801 —
InSite Digestive Health Care Arcadia California 91006 —
Gastroenterology Burlingame California 94010 —
Ventura County Gastroenterology Medical Group Camarillo California 93012 —
Hope Clinical Research Canoga Park California 91303 —
Alliance Research Institute Canoga Park California 91304 —
Gastro SB Clinic Chula Vista California 91910 —
Precision Research Institute Chula Vista California 91910 —
BG Clinical Research and affiliate of The Clinical Trials Network, LLC Encinitas California 92024 —
Diagnamics, Inc Encinitas California 92024 —
Helping Hands Healthcare Group Fullerton California 92831 —
Paragon RX Clinical, Inc. Garden Grove California 92840 —
Digestive Health Research of Southern California Huntington Beach California 92647 —
United Medical Doctors Irvine California 92618 —
Gastro Care Institute Lancaster California 93534 —
LA Gastroenterology Group Los Angeles California 90004 —
University of Southern California Los Angeles California 90033 —
Gastroenterology Associates of Beverly Hills Los Angeles California 90048 —
Knowledge Research Center Orange California 92868 —
InSite Digestive Health Care-San Gabriel Oxnard California 93030 —
Desert Oasis Healthcare Medical Group Palm Springs California 92262 —
Palm Tree Clinical, Inc Palm Springs California 92262 —
InSite Digestive Health Care - Gastroenterology Associates Pasadena California 91105 —
Northern California Research Sacramento California 95821 —
San Diego Gastroenterology Medical Associates San Diego California 92103 —
SDG Clinical Research, Inc. San Diego California 92103 —
Precision Research Institute San Diego California 92114 —
Medical Associates Research Group San Diego California 92123 —
FOMAT Simoni AGI Medical Thousand Oaks California 91360 —
Med Partners, Inc. dba Premiere Medical Center of Burbank, Inc Toluca Lake California 91602 —
Curebase Walnut Creek California 91789 —
Clinical Research of California Walnut Creek California 94598 —
Gastroenterology Associates of Fairfield County Bridgeport Connecticut 06606 —
CMR of Greater New Haven, LLC Hamden Connecticut 06517 —
Yale University New Haven Connecticut 06519 —
Innovative Medical Research of South Florida, Inc. Aventura Florida 33180 —
Reciomed Clinical Research Network, Inc. Boynton Beach Florida 33472 —
Clinical Research of South Florida, an AMR Company Coral Gables Florida 33134 —
Dolphin Medical Research Doral Florida 33172 —
University of Florida College of Medicine Gainesville Florida 32610 —
Palmetto Research, LLC Hialeah Florida 33016 —
The Center for Gastrointestinal Disorders Hollywood Florida 33021 —
Research Centers of America Hollywood Florida 33024 —
Health Awareness, Inc Jupiter Florida 33458 —
Jupiter Medical Center Jupiter Florida 33458 —
Multi-Specialty Research Associates Lake City Florida 32055 —
University Clinical Research-DeLand, LLC dba Accel Research Sites Lake Mary Florida 32746 —
Florida Research Institute Lakewood Rch Florida 34211 —
University Clinical Research-DeLand, LLC dba Accel Research Sites Melbourne Florida 32901 —
Crystal Biomedical Research Miami Lakes Florida 33014 —
Ocala GI Research, LLC Ocala Florida 34471 —
Sarkis Clinical Trials Ocala Florida 34474 —
Gastroenterology of Greater Orlando Orange City Florida 32763 —
Gastroenterology Institute of Orlando Orlando Florida 32807 —
Advanced Gastroenterology Associates, LLC Palm Harbor Florida 34684 —
Precision Clinical Research, LLC Sunrise Florida 33351 —
Guardian Angel Research Center, LLC Tampa Florida 33614 —
Digestive Health Care of Georgia Atlanta Georgia 30309 —
Emory University School of Medicine Atlanta Georgia 30322 —
Metro Atlanta Gastroenterology, LLC. Atlanta Georgia 30342 —
Columbus Regional Research Institute Columbus Georgia 31904 —
Gastroenterology Consultants of Augusta Evans Georgia 30809 —
SKY Clinical Research Network Group Lawrenceville Georgia 30044 —
Infinite Clinical Trials Riverdale Georgia 30274 —
WR-Mount Vernon Clinical Research, LLC Sandy Springs Georgia 30328 —
Rolphe Adult and Pediatric Medicine Union City Georgia 30291 —
Christie Clinic Champaign Illinois 61822 —
University of Chicago Medicine Chicago Illinois 60654 —
Curebase Chicago Illinois 60656 —
Digestive Health Services Downers Grove Illinois 60515 —
Edward Hines Jr. VA Hospital Hines Illinois 60141 —
Gastroenterology & Internal Medicine Specialist, SC, Avicenna Clinical Research Lake Barrington Illinois 60010 —
Suburban Gastroenterology Ltd Naperville Illinois 60540 —
Comprehensive Gastrointestinal Health Northbrook Illinois 60062 —
DM Clinical Research Oak Lawn Illinois 60453 —
Rockford Gastroenterology Associates, Ltd. Rockford Illinois 61107 —
Digestive Research Alliance of Michiana South Bend Indiana 46635 —
University of Iowa Hospitals and Clinics Iowa City Iowa 52242 —
Alliance for Multispecialty Research, LLC El Dorado Kansas 67042 —
West Glen Gastrointestinal Consultants, P.A. Shawnee Kansas 66217 —
Alliance for Multispecialty Research-Wichita West Wichita Kansas 67205 —
Kansas Gastroenterology, LLC Wichita Kansas 67226 —
Tri-State Gastroenterology Associates Crestview Hills Kentucky 41017 —
University of Louisville Research Foundation Louisville Kentucky 40202 —
Robley Rex VA Medical Center Louisville Kentucky 40206 —
Northlake Gastroenterology Associates Covington Louisiana 70433 —
Northlake Gastroenterology Associates Hammond Louisiana 70403 —
CroNola LLC Houma Louisiana 70360 —
Gastroclinic Lafayette Louisiana 70503 —
Clinical Trials of SWLA, LLC Lake Charles Louisiana 70601 —
Delta Research Partners Monroe Louisiana 71201 —
Louisiana Research Center, LLC Shreveport Louisiana 71105 —
Gastro Center of Maryland Columbia Maryland 21045 —
Centennial Medical Group Elkridge Maryland 21075 —
Frederick Gastroenterology Associates Frederick Maryland 21701 —
Mid-Atlantic GI Research Greenbelt Maryland 20770 —
Meridian Clinical Research Rockville Maryland 20854 —
Digestive Health Specialists Chelmsford Massachusetts 01824 —
South Suburban Gastroenterology South Weymouth Massachusetts 02190 —
University of Michigan Ann Arbor Michigan 48109 —
Onyx Clinical Research Rochester Hills Michigan 48307 —
Covenant HealthCare Saginaw Michigan 48602 —
Revive Research Institute, LLC Southfield Michigan 48034 —
Clinical Research Institute of Michigan, LLC Troy Michigan 48098 —
Curebase Eagan Minnesota 55122 —
Gastroenterology Associates of Mississippi Columbus Mississippi 39705 —
Southern Therapy and Advanced Research Jackson Mississippi 39216 —
Quinn Healthcare Ridgeland Mississippi 39157 —
Clinical Research Professionals, LLC Chesterfield Missouri 63005 —
Digestive Health Specialists, LLC Saint Joseph Missouri 64057 —
Saint Louis University GI & Hepatology Research Unit St Louis Missouri 63104 —
Washington University School of Medicine Gastroenterology St Louis Missouri 63110 —
Sundance Clinical Research St Louis Missouri 63141 —
Skyline Medical Center, PC/CCT Research Elkhorn Nebraska 68022 —
Midwest Regional Health Services, LLC/CCT Research Omaha Nebraska 68130 —
Excel Clinical Research Las Vegas Nevada 89109 —
Wr-Crcn, Llc Las Vegas Nevada 89148 —
Gastroenterology Consultants Reno Nevada 89502 —
Advanced Research Institute Reno Nevada 89511 —
Gastroenterology Consultants Reno Nevada 89521 —
Hassman Research Institute Berlin New Jersey 08009 —
Allied Health Clinical Research Organization, LLC Brick New Jersey 08724 —
Gastroenterology Associates Of New Jersey Clifton New Jersey 07013 —
AIG Digestive Disease Research Florham Park New Jersey 07932 —
Allied Health Clinical Research Organization, LLC Freehold New Jersey 07728 —
Hackensack Digestive Disease Associates Hackensack New Jersey 07601 —
Digestive Healthcare Center Hillsborough New Jersey 08844 —
Allied Health Clinical Research Organization Jackson New Jersey 08527 —
Gastroenterology Associates Of New Jersey Montclair New Jersey 07042 —
Dr. Howard N. Guss and Dr. Gagan Beri Ocean City New Jersey 07712 —
Gastroenterology Associates Of New Jersey Ridgewood New Jersey 07450 —
Teaneck Gastroenterology Associates Teaneck New Jersey 07666 —
Advanced Gastroenterology Group Union New Jersey 07083 —
Gastroenterology Associates Of New Jersey Wayne New Jersey 07470 —
North Jersey Gastroenterology Wayne New Jersey 07470 —
Gastroenterology Associates Of New Jersey Woodland Park New Jersey 07424 —
Lovelace Scientific Resources, Inc. Albuquerque New Mexico 87108 —
Sam Moskowitz, MD Brooklyn New York 11234 —
NY Scientific Brooklyn New York 11235 —
Associated Gastroenterologists of Central New York, Camillus Camillus New York 13031 —
Associated Gastroenterology of Central New York East Syracuse New York 13057 —
Associated Gastroenterologists of Central New York Fayetteville New York 13066 —
Intercity Gastroenterology Fresh Meadows New York 11366 —
South Island Gastro Lawrence New York 11559 —
East End Gastroenterology & Hepatology Manorville New York 11949 —
Gastrointestinal Associates of Rockland New City New York 10956 —
Smart Medical Research Richmond Hill New York 11419 —
Syracuse Gastro Associates Syracuse New York 13210 —
Digestive Disease Medicine Of Central New York Utica New York 13502 —
GastroCare LI Valley Stream New York 11581 —
Gastrointestinal Specs Lng Is Wantagh New York 11793 —
Eric L. Tatar, MD West Nyack New York 10994 —
Digestive Health Partners Asheville North Carolina 28801 —
Cary Gastro Associates Cary North Carolina 27518 —
UNC Division of Gastroenterology and Hepatology Chapel Hill North Carolina 27599 —
Charlotte Gastroenterology & Hepatology, PLLC Charlotte North Carolina 28207 —
Carolina Digestive Health Associates, PA Charlotte North Carolina 28210 —
Javara Research Charlotte North Carolina 28210 —
Carolinas Research Center Charlotte North Carolina 28215 —
Carolina Digestive Health Associates, PA Concord North Carolina 28025 —
Northeast GI Research Division Concord North Carolina 28027 —
Coastal Research Institute, LLC Fayetteville North Carolina 28304 —
Medication Management LLC Greensboro North Carolina 27408 —
Pinehurst Medical Clinic Pinehurst North Carolina 28374 —
Carolina's GI Research, LLC Raleigh North Carolina 27607 —
PMG Research of Raleigh Raleigh North Carolina 27609 —
Boice Willis Clinic, PA Rocky Mount North Carolina 27804 —
PMG Research of Salisbury, LLC Salisbury North Carolina 28144 —
Piedmont HealthCare, PA Statesville North Carolina 28625 —
Wilmington Health Wilmington North Carolina 28401 —
Trial Management Associates, LLC Wilmington North Carolina 28403 —
PMG Research of Winston Winston-Salem North Carolina 27103 —
Lillestol Research, LLC Fargo North Dakota 58104 —
Plains Clinical Research Center, LLC Fargo North Dakota 58104 —
Gastroenterology Associates of Cleveland Beachwood Ohio 44122 —
Dayton Gastroenterology, Inc. Beavercreek Ohio 45440 —
Dayton Gastroenterology Beavercreek Ohio 45440 —
Gastro Health Research Cincinnati Ohio 45219 —
University of Cincinnati Cincinnati Ohio 45267 —
ClinOhio Research Services Columbus Ohio 43213 —
Advance Clinical Research Dayton Ohio 45417 —
META Medical Research Institute Dayton Ohio 45432 —
Great Lakes Gastroenterology Mentor Ohio 44060 —
DSI Research, LLC Springboro Ohio 45066 —
University of Toledo Internal Medicine Clinic Toledo Ohio 43606 —
Avamar Gastroenterology and Center Warren Ohio 44484 —
Northshore Gastroenterology & Endoscopy Center Westlake Ohio 44145 —
Digestive Disease Specialists, Inc Oklahoma City Oklahoma 73112 —
Options Health Research, LLC Tulsa Oklahoma 74104 —
Fanno Creek Group Portland Oregon 97219 —
The Oregon Clinic - Gastroenterology East Portland Oregon 97220 —
Eastern Pennsylvania GI & Liver Specialists Allentown Pennsylvania 18104 —
US Digestive Health at Blair Altoona Pennsylvania 16602 —
Valley Gastroenterology Associates Beaver Falls Pennsylvania 15010 —
Susquehanna Research Group, LLC Camp Hill Pennsylvania 17011 —
Susquehanna Research Group Harrisburg Pennsylvania 17110 —
Perelman Center for Advanced Medicine Philadelphia Pennsylvania 19104 —
Einstein Medical Center Department of Digestive Disease and Transplantation Philadelphia Pennsylvania 19141 —
Frontier Clinical Research, LLC Uniontown Pennsylvania 15401 —
GIMED Associates, Inc. Cranston Rhode Island 02920 —
GIMED Associates, Inc. Narragansett Rhode Island 02882 —
Digestive Disease Research Center Greenwood South Carolina 29646 —
Coastal Carolina Research Center Mt. Pleasant South Carolina 29464 —
Southeast Medical Research/Elms Research North Charleston South Carolina 29406 —
South Carolina Clinical Research LLC Orangeburg South Carolina 29118 —
PPCP Division of Gastroenterology LLC Summerville South Carolina 29486 —
Invocare Medical Research & Healthcare Center West Columbia South Carolina 29169 —
Elligo Clinical Research Center Austin Tennessee 78738 —
Erlanger Health Clinical Resarch Chattanooga Tennessee 37403 —
WR-ClinSearch, LLC Chattanooga Tennessee 37421 —
Gastro One Germantown Tennessee 38138 —
Helios Clinical Research lLC Jackson Tennessee 38305 —
The Jackson Clinic, PA Jackson Tennessee 38305 —
The Jackson Clinic Jackson Tennessee 38305 —
East Tennessee Research Institute Johnson City Tennessee 37604 —
Tri-Cities Gastroenterology Kingsport Tennessee 37663 —
Gastrointestinal Associates, P.C. Knoxville Tennessee 37909 —
Vanderbilt University Medical Center Nashville Tennessee 37212 —
Advanced Gastroenterology Union City Tennessee 38261 —
Allied Digestive Disease Center Cypress Texas 77429 —
Northside Gastroenterology Associates Cypress Texas 77429 —
Uma Mohan MD PA Cypress Texas 77429 —
El Paso Integrated Physicians Group, P.A. El Paso Texas 79912 —
Digestive Health Associates Houston Texas 77024 —
University of Texas MD Anderson Cancer Center Houston Texas 77030 —
Biopharma Informatic Houston Texas 77055 —
Diversified Medical Practices Houston Texas 77057 —
Houston Digestive Diseases Consultants Houston Texas 77074 —
Memorial Hermann Surgery Center Houston Texas 77084 —
Protenium Clinical Research Inc. Hurst Texas 76054 —
Biopharma Informatic McAllen Texas 78503 —
Gastroenterology Consultants, P.A. Pasadena Texas 77504 —
Clinical Associates in Research Therapeutics of America San Antonio Texas 78212 —
Gastroenterology Partners of North Houston Shenandoah Texas 77384 —
Texas Gastroenterology Associates/A1 Clinical Network Spring Texas 77386 —
Gastroenterology Associates of Texas, PA Sugar Land Texas 77479 —
Texas Gastro Consultants Tomball Texas 77375 —
Digestive Health Research of North Texas Wichita Falls Texas 76301 —
Progressive Clinical Research Bountiful Utah 84010 —
Advanced Research Institute Ogden Utah 84405 —
Advanced Research Institute Granite Peaks Gastroenterology Sandy City Utah 84092 —
Charlottesville Medical Research Charlottesville Virginia 22911 —
Gastroenterology Associates of Tidewater Chesapeake Virginia 23320 —
Verity Research Fairfax Virginia 22031 —
Blue Ridge Medical Research Lynchburg Virginia 24502 —
The Gastroenterology Group Reston Virginia 20191 —
GI Select Health Research, LLC Richmond Virginia 23236 —
Tidewater Physicians Multispecialty Group Clinical Research Williamsburg Virginia 23188 —
Washington Gastroenterology Bellevue Washington 98004 —
Western Washington Medical Group, Inc Everett Washington 98208 —
Velocity Clinical Research Spokane Washington 99202 —
Holy Family Memorial, Inc Manitowoc Wisconsin 54221 —
Medical College of Wisconsin Milwaukee Wisconsin 53226 —
GI Associates Stevens Point Wisconsin 54482 —
GI Associates Wausau Wisconsin 54401 —

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 NCT04136002, 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 May 14, 2026 · Synced Oct 24, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT04136002 live on ClinicalTrials.gov.

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