Simple blood test could spot hidden cancers in seniors

NCT ID NCT05673018

Recruiting now Diagnosis Sponsor: GRAIL, Inc. Source: ClinicalTrials.gov ↗

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study is testing a blood test called Galleri that looks for signals of many different cancers at once. Researchers will enroll 50,000 people aged 50 and older with Medicare coverage. Half will get the Galleri test plus usual care, and half will get usual care alone. The main goal is to see if the test helps catch cancers earlier, reducing the number of stage IV diagnoses.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance: Multi-Cancer Early Detection Test (Galleri)
What this could lead to: If successful, this test could help detect many types of cancer earlier, when treatment is more likely to work, potentially reducing late-stage cancer diagnoses.
What could go wrong: This is an observational study, not a controlled trial, so results may show association, not proof. The test may miss some cancers or lead to unnecessary follow-up procedures.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

cancer neoplasm

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

CANCER

Contacts and locations

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Locations

Community Health Network Anderson
RECRUITING

Anderson, Indiana, 46011, United States
Community Health Network East
RECRUITING

Indianapolis, Indiana, 46219, United States
Community Health Network Kokomo
RECRUITING

Kokomo, Indiana, 46902, United States
Community Health Network LaFountain
RECRUITING

Kokomo, Indiana, 46902, United States
Community Health Network North
RECRUITING

Fishers, Indiana, 46038, United States
Community Health Network South
RECRUITING

Indianapolis, Indiana, 46256, United States
Geisinger Bloomsburg Hospital - Bloomsburg
RECRUITING

Bloomsburg, Pennsylvania, 17815, United States

Contact Email: •••••@•••••
HCA Healthcare Brentwood
RECRUITING

Brentwood, Tennessee, 37027, United States
HCA Healthcare Centennial
RECRUITING

Nashville, Tennessee, 37203, United States
HCA Healthcare Doctors Hospital
RECRUITING

Augusta, Georgia, 30909, United States
HCA Healthcare Nashville
RECRUITING

Nashville, Tennessee, 37203, United States
HCA Healthcare St. Marks
RECRUITING

Salt Lake City, Utah, 84124, United States
Long Beach Memorial Atlantic
RECRUITING

Long Beach, California, 90806, United States
Long Beach Memorial Orange Coast
RECRUITING

Fountain Valley, California, 92708, United States
Long Beach Memorial Saddleback
RECRUITING

Laguna Hills, California, 92653, United States
Mercy Health - Fort Smith
RECRUITING

Fort Smith, Arkansas, 72903, United States

Contact Email: •••••@•••••
Mercy Health - Springfield
RECRUITING

Springfield, Missouri, 65807, United States

Contact Email: •••••@•••••
Mercy Health St. Louis
RECRUITING

St Louis, Missouri, 63141, United States

Contact Email: •••••@•••••
Morehouse School of Medicine Atlanta
RECRUITING

Atlanta, Georgia, 30303, United States
Morehouse School of Medicine East Point
RECRUITING

Atlanta, Georgia, 30344, United States
Morehouse School of Medicine Lee Street
RECRUITING

Atlanta, Georgia, 30310, United States
Morehouse School of Medicine Princeton Lakes
RECRUITING

Atlanta, Georgia, 30331, United States
OHSU CEDAR Clinical Trials Adventist
RECRUITING

The Dalles, Oregon, 97058, United States

Contact Email: •••••@•••••
OHSU CEDAR Clinical Trials Beaverton
RECRUITING

Beaverton, Oregon, 97006, United States
OHSU CEDAR Clinical Trials Columbia
RECRUITING

Astoria, Oregon, 97103, United States
OHSU CEDAR Clinical Trials Dalles
RECRUITING

The Dalles, Oregon, 97058, United States
OHSU CEDAR Clinical Trials Ensign
RECRUITING

Warrenton, Oregon, 97146, United States
OHSU CEDAR Clinical Trials Exchange
RECRUITING

Astoria, Oregon, 97103, United States
OHSU CEDAR Clinical Trials Orenco
RECRUITING

Hillsboro, Oregon, 97124, United States
OHSU CEDAR Clinical Trials Portland
RECRUITING

Portland, Oregon, 97201, United States
OHSU CEDAR Clinical Trials Richmond
RECRUITING

Portland, Oregon, 97202, United States
OHSU CEDAR Clinical Trials Woods
RECRUITING

Hood River, Oregon, 97031, United States
Ochsner Health Baptist
RECRUITING

New Orleans, Louisiana, 70115, United States
Ochsner Health Benson
RECRUITING

New Orleans, Louisiana, 70121, United States
Ochsner Health Bocage
RECRUITING

Baton Rouge, Louisiana, 70809, United States
Ochsner Health Covington
RECRUITING

Covington, Louisiana, 70433, United States
Ochsner Health Grove
RECRUITING

Baton Rouge, Louisiana, 70836, United States
Ochsner Health Kenner
RECRUITING

Kenner, Louisiana, 70065, United States
Ochsner Health Lafayette
RECRUITING

Lafayette, Louisiana, 70503, United States
Ochsner Health Lafreniere
RECRUITING

Metairie, Louisiana, 70003, United States
Ochsner Health STCC
RECRUITING

Covington, Louisiana, 70433, United States
Ochsner Health St. Tammany Parish
RECRUITING

Covington, Louisiana, 70433, United States
Ochsner Health Westbank
RECRUITING

Marrero, Louisiana, 70072, United States
Sutter Health Santa Rosa
RECRUITING

Santa Rosa, California, 95403, United States

Contact Email: •••••@•••••
Sutter Valley Hospitals Alhambra
RECRUITING

Sacramento, California, 95816, United States

Contact Email: •••••@•••••
Sutter Valley Hospitals Auburn
RECRUITING

Auburn, California, 95603, United States

Contact Email: •••••@•••••
Sutter Valley Hospitals Capitol Pavilion
RECRUITING

Sacramento, California, 95816, United States

Contact Email: •••••@•••••
Sutter Valley Hospitals Davis
RECRUITING

Davis, California, 95616, United States

Contact Email: •••••@•••••
Sutter Valley Hospitals Elk Grove
RECRUITING

Elk Grove, California, 95758, United States

Contact Email: •••••@•••••
Sutter Valley Hospitals Fairfield
RECRUITING

Vallejo, California, 94589, United States

Contact Email: •••••@•••••
Sutter Valley Hospitals Modesto
RECRUITING

Modesto, California, 95355, United States

Contact Email: •••••@•••••
Sutter Valley Hospitals PAMF Santa Cruz
RECRUITING

Santa Cruz, California, 95065, United States

Contact Email: •••••@•••••
Sutter Valley Hospitals PAMF Sunnyvale
RECRUITING

Sunnyvale, California, 94086, United States

Contact Email: •••••@•••••
Sutter Valley Hospitals PAMF Sutter
RECRUITING

Palo Alto, California, 94301, United States

Contact Email: •••••@•••••
Sutter Valley Hospitals Roseville
RECRUITING

Roseville, California, 95661, United States

Contact Email: •••••@•••••
Sutter Valley Hospitals Santa Barbara
RECRUITING

Santa Barbara, California, 93105, United States

Contact Email: •••••@•••••
USF Morsani Center for Advanced Healthcare
RECRUITING

Tampa, Florida, 33612, United States

Contact Email: •••••@•••••
University of California San Francisco Health System
RECRUITING

San Francisco, California, 94158, United States
West Virginia University Health System Morgantown
RECRUITING

Morgantown, West Virginia, 26501, United States

Contact Email: •••••@•••••
West Virginia University Health System St. Joseph
RECRUITING

Buckhannon, West Virginia, 26201, United States

Contact Email: •••••@•••••
West Virginia University Health System WV CTSI
RECRUITING

Morgantown, West Virginia, 26506, United States

Contact Email: •••••@•••••

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