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New blood test could predict which colorectal cancer patients benefit from targeted drugs

NCT ID NCT07224841

Diagnosis Sponsor: City of Hope Medical Center Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 24, 2026 · Last updated Jul 08, 2026 · Updated 3 times

Summary

This study aims to develop a blood test that uses epigenetic markers (chemical changes on DNA) to predict whether a patient with metastatic colorectal cancer will respond to targeted therapies like cetuximab or bevacizumab. Researchers will analyze blood samples from 500 patients before treatment to identify patterns that separate responders from non-responders. The goal is to create a tool that helps doctors personalize treatment decisions.

What this could mean

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

Active substance
cfDNA 5mC/5hmC sequencing and assay
What this could lead to
If successful, this could lead to a simple blood test that helps doctors choose the right targeted therapy for each patient with metastatic colorectal cancer, improving treatment outcomes.
What could go wrong
This is an early-stage study focused on developing and validating a biomarker panel. The test may not prove accurate enough in larger populations, and it does not directly treat the cancer.

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

Study facts

What this study's own registry entry says, in plain language.

Participants

About 500 people

The number the study aims to enrol. It can still change while the study runs.

Started

Jun 2024

Expected to finish

Jun 2028

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Who is studied

Patients diagnosed with Stage IV colorectal adenocarcinoma who received EGFR-targeted or VEGF-targeted therapy and had available pre-treatment plasma samples for cfDNA analysis.

Ages

18 years and older

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Histologically confirmed metastatic colorectal adenocarcinoma (mCRC). * Received EGFR-targeted therapy (cetuximab/panitumumab) or VEGF-targeted therapy (bevacizumab). * Availability of pre-treatment plasma sample for cfDNA analysis. * Documented radiologic response evaluation (RECIST 1.1). * RAS/BRAF mutation status known. Exclusion Criteria: * Inadequate cfDNA quality or low cfDNA yield. * Non-adenocarcinoma histology. * Concurrent or prior other active malignancy. * Active inflammatory or autoimmune disease affecting cfDNA methylation profiles.

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Conditions

The condition(s) this trial relates to.

colorectal adenocarcinoma colorectal cancer colorectal carcinoma colorectal neoplasm

As listed by the trial registrant

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

CRC (colorectal cancer)

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • City of Hope Medical Center

    RECRUITING

    Duarte, California, 91016, United States

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