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New blood test spots silent spread of bile duct cancer before surgery

NCT ID NCT07224737

Knowledge-focused 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 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study tested whether a blood test that looks at tiny particles called exosomes can find cancer that has spread but is not visible on scans in people with a type of bile duct cancer (intrahepatic cholangiocarcinoma). The goal was to help doctors know who needs stronger treatment before surgery. 230 patients who had surgery provided blood samples, and the results were analyzed using machine learning to predict the risk of hidden spread.

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

230 people

The number who actually took part.

Started

Jun 2024

Finished

Feb 2026

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

250

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 ICC (clinical stage I-III). * Undergoing curative-intent hepatectomy. * Availability of preoperative pasma or serum sample (≥200 µL). * Standard staging imaging completed per institutional protocol. * Written informed consent. Exclusion Criteria: * Extrahepatic cholangiocarcinoma or gallbladder cancer. * Synchronous non-ICC malignancy. * Inadequate clinical follow-up. * Inability to consent.

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Conditions

The condition(s) this trial relates to.

cholangiocarcinoma Cirrhosis, Familial, with Pulmonary Hypertension intrahepatic cholangiocarcinoma Liver Neoplasms Recurrence

As listed by the trial registrant

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

Intrahepatic cholangiocarcinoma (ICC)

Contacts and locations

Locations

  • City of Hope Medical Center

    Duarte, California, 91016, United States

More trials for these conditions

Other studies related to the condition(s) this trial covers.