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Bubble burst breakthrough: ultrasound may boost bile duct cancer therapy

NCT ID NCT05328167

Diagnosis Sponsor: Thomas Jefferson University 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 looked at whether a special ultrasound using gas microbubbles can predict how well bile duct cancer responds to targeted radiotherapy. The ultrasound can also pop these bubbles, which might make the cancer easier to treat. Sixteen adults with bile duct cancer took part to see if this imaging method helps doctors measure tumor response and improve treatment outcomes.

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.

Phase

Phase 2

Tests whether the treatment actually works, and watches for side effects, in a larger group.

Participants

16 people

The number who actually took part.

Started

Dec 2021

Finished

Aug 2025

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.

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: * Be scheduled for sub-lobar radioembolization therapy of a previously untreated intrahepatic cholangiocarcinoma greater than 1 cm but small enough to be fully visualized in the ultrasound three-dimensional (3D) volume (approximately 6 cm maximum diameter, but depth dependent) * Be at least 18 years of age * Be medically stable * If a female of child-bearing age, have a negative pregnancy test prior to each ultrasound exam * Have signed Informed Consent to participate in the study Exclusion Criteria: * Females who are pregnant or nursing * Patients with recent cerebral hemorrhage * Patients with known sensitivities to albumin, blood, or blood products * Patients with known hypersensitivity to perflutren * Patients with known congenital heart defects * Patients with severe emphysema, pulmonary vasculitis, or a history of pulmonary emboli * Patients with bilirubin levels \> 2 mg/dL

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Conditions

The condition(s) this trial relates to.

cholangiocarcinoma intrahepatic cholangiocarcinoma

As listed by the trial registrant

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

Intrahepatic cholangiocarcinoma

Contacts and locations

Locations

  • Sidney Kimmel Cancer Center at Thomas Jefferson University

    Philadelphia, Pennsylvania, 19107, United States

More trials for these conditions

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