NCT07853690

Brief Summary

The purpose of this pilot study is to examine the safety and feasibility of histotripsy in two cohorts of 12 patients each with Biliary Track Cancer (BTC), with a plan to expand to a larger multi-center study if both safety and feasibility are demonstrated. All patients from cohort 1 will be evaluated for objective response rate (ORR), duration of response (DOR), disease control rate (DCR), progression free survival (PFS) and overall survival (OS) of histotripsy in combination with chemoimmunotherapy. Toxicity profile of histotripsy will be characterized for this cohort. For Cohort 2, in addition to the above evaluations, changes in serum bilirubin levels (total and direct) over time, time to biliary decompression or normalization of bilirubin (total and direct), and percent of patients rendered eligible for chemoimmunotherapy with GCD/P will also be assessed.

Trial Health

63
Monitor

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
24

participants targeted

Target at below P25 for not_applicable

Timeline
23mo left

Started Sep 2026

Typical duration for not_applicable

Geographic Reach
1 country

1 active site

Status
not yet recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Progress4%
Sep 2026Sep 2028

Study Start

First participant enrolled

September 1, 2026

Completed
22 days until next milestone

First Submitted

Initial submission to the registry

September 23, 2026

Completed
9 days until next milestone

First Posted

Study publicly available on registry

October 2, 2026

Completed
11 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

September 1, 2027

Expected
1 year until next milestone

Study Completion

Last participant's last visit for all outcomes

September 1, 2028

Last Updated

October 2, 2026

Status Verified

September 1, 2026

Enrollment Period

1 year

First QC Date

September 23, 2026

Last Update Submit

September 28, 2026

Conditions

Keywords

BTC

Outcome Measures

Primary Outcomes (3)

  • Objective response rate (ORR)

    Objective response rate (ORR) defined as the proportion of patients with a best overall response of either Complete Response (CR) or Partial Response (PR), as determined by standardized imaging criteria (RECIST v1.1)

    up to 24 months

  • Incidence of serious adverse events (SAEs)

    Incidence of serious adverse events (SAEs) defined as events that are life-threatening, require hospitalization, result in disability, etc.

    up to 24 months

  • Incidence of major procedure-related complications through 30 days post-histotripsy

    Incidence of major procedure-related complications through 30 days post-histotripsy defined as an AE classified as CTCAE grade 3 or higher

    through 30 days post-histotripsy

Secondary Outcomes (11)

  • Duration of response (DOR)

    up to 24 months

  • Disease control rate (DCR)

    up to 24 months

  • Progression free survival (PFS)

    up to 24 months

  • Overall survival (OS)

    up to 24 months

  • Incidence of treatment-related adverse events (TRAEs)

    up to 24 months

  • +6 more secondary outcomes

Study Arms (2)

Cohort 1: Patients eligible for chemoimmunotherapy

EXPERIMENTAL

Eligible patients will undergo histotripsy and therapy with GCD/P (gemcitabine 1,000 mg/m2 IV and cisplatin 25 mg/m2 IV days 1 and 8 with durvalumab 1,500 mg IV or pembrolizumab 200 mg IV day 1 in 21-day cycles) until disease progression or intolerable toxicity. Patients will have the option of narrowing to maintenance durvalumab/pembrolizumab with or without gemcitabine after 4-6 months of GCD/P as per standard-of-care.

Drug: GemcitabineDrug: CisplatinDrug: DurvalumabDrug: PembrolizumabDevice: Histotripsy

Cohort 2: Patients not eligible for chemoimmunotherapy

EXPERIMENTAL

Eligible patients will undergo histotripsy (with or without standard of care biliary tract stenting) and then be monitored with weekly hepatic function panels and clinic visits to monitor status of biliary tract obstruction and for candidacy for chemoimmunotherapy. Patients who become eligible for chemoimmunotherapy will undergo treatment with GCD/P as per Cohort 1 until disease progression or intolerable toxicity following the same peripheral blood and imaging schedule as Cohort 1.

Drug: GemcitabineDrug: CisplatinDrug: DurvalumabDrug: PembrolizumabDevice: Histotripsy

Interventions

1000 mg/m2 over 30 minutes on Days 1, 8, of each cycle (every 3 weeks), infused according to local labeling.

Cohort 1: Patients eligible for chemoimmunotherapyCohort 2: Patients not eligible for chemoimmunotherapy

The reconstituted solution should be administered by IV infusion over a 6- to 8-hour period. Cisplatin is given on Days 1 and 8 of each cycle (every 3 weeks), infused according to local labeling

Cohort 1: Patients eligible for chemoimmunotherapyCohort 2: Patients not eligible for chemoimmunotherapy

Given on day 1 of each cycle (every 3 weeks), infused according to local labeling. Administer infusion solution intravenously over 60 minutes through an intravenous line containing a sterile, low-protein binding 0.2 or 0.22 micron in-line filter.

Cohort 1: Patients eligible for chemoimmunotherapyCohort 2: Patients not eligible for chemoimmunotherapy

Given on day 1 of each cycle (every 3 weeks), infused according to local labeling. Administer diluted solution intravenously over 30 minutes through an intravenous line containing a sterile, non-pyrogenic, low-protein binding 0.2 micron to 5 micron in-line or add-on filter.

Cohort 1: Patients eligible for chemoimmunotherapyCohort 2: Patients not eligible for chemoimmunotherapy

Histotripsy is a non-invasive medical technique that uses focused ultrasound waves to mechanically break down and destroy targeted tissues through a process called cavitation.

Cohort 1: Patients eligible for chemoimmunotherapyCohort 2: Patients not eligible for chemoimmunotherapy

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Both Cohorts
  • Age \>/= 18 at time of screening
  • Willing and able to provide informed consent for the trial
  • Histologically or cytologically confirmed biliary tract cancer (BTC) including cancers of the intrahepatic bile ducts, extrahepatic bile ducts, and gallbladder
  • Locally advanced or metastatic disease not eligible for resection or transplant
  • RECIST v 1.1 measurable disease
  • No prior systemic therapy for the treatment of locally advanced/metastatic disease a. Recurrent disease after surgical resection must have occurred \>/= 6 months from completion of adjuvant therapy
  • Eastern Cooperative Oncology Group Performance Status (ECOG PS) 0-2
  • Adequate organ and bone marrow function, defined as:
  • Hemoglobin \> 9.0 g/dL
  • Absolute neutrophil count \> 1.5 x 109/L
  • Platelet count \> 100 x 109/L
  • Alanine aminotransferase (ALT) and aspartate aminotransferase (AST) \< 2.5 x ULN
  • Creatinine within normal limits OR measured creatinine clearance (CL) \>50 mL/min OR calculated creatinine clearance (CL) \>50 mL/min as determined by Cockcroft-Gault
  • Willing and able to undergo general anesthesia and histotripsy procedure
  • +8 more criteria

You may not qualify if:

  • Both Cohorts
  • Prior exposure to immune-mediated therapy, including, but not limited to, anti-CTLA-4, anti-PD-1, anti-PD-L1 and anti-PD-L2 antibodies
  • History of allogeneic or solid organ transplant
  • Active or prior documented autoimmune disorders. The following are exceptions to this criterion:
  • Patients with vitiligo or alopecia.
  • Patients with hypothyroidism (eg, following Hashimoto syndrome) stable on hormone replacement.
  • Any chronic skin condition that does not require systemic therapy.
  • Patients with celiac disease controlled by diet alone.
  • Patients without active disease in the last 5 years may be included but only after consultation with the study PI.
  • Uncontrolled intercurrent illness, including, but not limited to:
  • a. Ongoing or active infection including but not limited to the below. Patients on prophylactic antibiotics may be eligible after discussion with the study PI.
  • i. Tuberculosis (tuberculosis testing by local institutional practice is required prior to receipt of chemoimmunotherapy) ii. Hepatitis B (HCV) defined as presence of hepatitis B surface antigen \[HBsAg\] and/or anti-HBcAb with detectable hepatitis B virus \[HBV\] DNA ≥10 IU/mL (testing is required prior to receipt of chemoimmunotherapy).
  • \. Patients with a past or resolved HBV infection (defined as the presence of hepatitis B core antibody \[anti-HBc\] and the absence of HBsAg) are eligible.
  • iii. Hepatitis C (HCV) defined as positive HCV antibody (testing is required prior to receipt of chemoimmunotherapy).
  • \. Patients positive for hepatitis C (HCV) antibody are eligible only if the polymerase chain reaction is negative for HCV RNA.
  • +16 more criteria

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

NYU Langone Health

New York, New York, 10016, United States

Location

MeSH Terms

Interventions

GemcitabineCisplatindurvalumabpembrolizumab

Intervention Hierarchy (Ancestors)

Heterocyclic CompoundsDeoxycytidineCytidinePyrimidine NucleosidesPyrimidinesHeterocyclic Compounds, 1-RingChlorine CompoundsInorganic ChemicalsNitrogen CompoundsPlatinum Compounds

Study Officials

  • Kristen Spencer, DO, MPH

    NYU Langone Health

    PRINCIPAL INVESTIGATOR

Central Study Contacts

Kristen Spencer, DO, MPHDO, MPH

CONTACT

Study Design

Study Type
interventional
Phase
not applicable
Allocation
NON RANDOMIZED
Masking
NONE
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

September 23, 2026

First Posted

October 2, 2026

Study Start

September 1, 2026

Primary Completion (Estimated)

September 1, 2027

Study Completion (Estimated)

September 1, 2028

Last Updated

October 2, 2026

Record last verified: 2026-09

Data Sharing

IPD Sharing
Will share

The de-identified participant data from the final research dataset will be shared upon reasonable request beginning 9 to 36 months after publication or as required by a condition of awards or supporting agreements, provided the requesting investigator executes a data use agreement with NYU Langone Health. This instance of data sharing will also require separate IRB review as well as review from NYU Langone's Data Sharing Strategy Board (DSSB). Requests should be directed to: Kristen.spencer@nyulangone.org. The protocol and statistical analysis plan will be posted on Clinicaltrials.gov only as required by federal regulation or supporting awards and agreements.

Shared Documents
STUDY PROTOCOL, SAP
Time Frame
Beginning 9 months and ending 36 months following article publication or as required by a condition of awards and agreements supporting the research.
Access Criteria
The investigator who proposed to use the data will be granted access upon reasonable request. Requests should be directed to Kristen.spencer@nyulangone.org. To gain access, data requestors will need to sign a data access agreement. This instance of data sharing will also require separate IRB review as well as review from NYU Langone's DSSB.

Locations