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Galleri® in the Medicare Population.

REACH Study: Galleri® in the Medicare Population.

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT05673018
Enrollment
50000
Registered
2023-01-05
Start date
2024-07-12
Completion date
2030-09-01
Last updated
2026-05-22

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Cancer

Keywords

ctDNA, Circulating tumor DNA, Screening, Cancer

Brief summary

This multi-center comparative prospective cohort study is designed to assess the real world clinical impact, including safety and test performance, of Galleri®, a blood-based multi-cancer early detection (MCED) test. The study will seek enrollment that is representative of the Medicare population.

Interventions

DEVICEMulti-Cancer Early Detection Test (Galleri®)

Blood collection and multi-cancer early detection testing with return of results.

Sponsors

GRAIL, Inc.
Lead SponsorINDUSTRY

Study design

Allocation
NON_RANDOMIZED
Intervention model
PARALLEL
Primary purpose
SCREENING
Masking
NONE

Intervention model description

The parallel arm is a passively-enrolled contemporaneous comparator cohort of Medicare beneficiaries who receive usual care without MCED screening.

Eligibility

Sex/Gender
ALL
Age
50 Years to No maximum
Healthy volunteers
Yes

Inclusion criteria

For Galleri + UC (Galleri-Tested Arm): Participants are eligible to be included in the study only if all of the following criteria apply: * Aged ≥50 years with Medicare coverage, including Traditional Medicare (Part A \& B or Dual Eligibles) or Medicare Advantage. * Capable of giving informed consent that is legally effective (consent provided by a legally authorized representative is not permitted in this protocol). For UC (Not Galleri-tested Arm): Participants are eligible to be included in the study only if all of the following criteria apply: * Aged ≥ 50 years with Medicare coverage, including Traditional Medicare (Part A \& B or Dual Eligibles) or Medicare Advantage. * Have had ≥ 1 UC visit

Exclusion criteria

For Galleri + UC (Galleri-Tested Arm): * Evidence of having had a previous MCED test (including but not limited to the Galleri test, e.g. CancerSeek, PanSeer). Participation in a study such as GRAIL's STRIVE study where results were not returned is not an exclusion criterion. * Undergoing clinical evaluation for suspicion of cancer within 6 months prior to enrollment. Personal history of hematologic malignancy and/or invasive solid tumor (excluding non-metastatic basal cell carcinoma and squamous cell carcinoma of the skin): 1. Diagnosed ≤3 years before expected enrollment date and/or 2. Diagnosed \>3 years before expected enrollment date and never treated and/or 3. Currently undergoing active cancer management (not including adjuvant hormone therapy for breast or prostate cancer). * Current pregnancy. * Individuals who are currently inpatients at a participating site. * Individuals who are not willing or able to comply with the protocol procedures. * Individuals who are not currently registered patients at a participating center. * Previous or current employees or contractors of GRAIL. For UC (Not Galleri-tested Arm): * Evidence of having had a previous MCED test (including but not limited to the Galleri test, eg.CancerSeek, PanSeer). Participation in a study such as GRAIL's STRIVE study where results were not returned is not an exclusion criterion. * Undergoing clinical evaluation for suspicion of cancer. * Personal history of hematologic malignancy and/or invasive solid tumor (not including non-metastatic basal cell carcinoma and squamous cell carcinoma of the skin): 1. Diagnosed ≤3 years before expected enrollment date and/or 2. Diagnosed \>3 years before expected enrollment date and never treated and/or 3. Currently undergoing active cancer management (not including adjuvant hormone therapy for breast or prostate cancer). * Current pregnancy. * Individuals who are currently inpatients at a participating site.

Design outcomes

Primary

MeasureTime frame
Incidence rates of stage IV cancersUp to 3 Years

Secondary

MeasureTime frame
Safety: Number and type of invasive procedures performed to evaluate a cancer signal detected test resultUp to 3 Years
Galleri test performance in the Galleri + UC armUp to 3 Years
Adherence to guideline-recommended cancer screening in the Galleri+UC arm and UC arm over timeUp to 3 Years
Healthcare resource utilization associated with cancer diagnostic evaluations in the Galleri+UC arm and UC armUp to 3 Years

Countries

United States

Contacts

CONTACTGRAIL Medical Information
customerservice@grail.com833-694-2553

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: May 23, 2026