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Clinical Trial Details — Status: Terminated

Administrative data

NCT number NCT03040323
Other study ID # 1609504711
Secondary ID
Status Terminated
Phase Phase 4
First received
Last updated
Start date December 22, 2016
Est. completion date July 6, 2018

Study information

Verified date July 2019
Source Indiana University
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The investigators plan to compare complication and success rates between two methods of ultrasound guidance for biopsy of liver lesions, contrast-enhanced and the current protocol without contrast.


Description:

As a major oncology and hepatology center, the investigators perform about 3-5 guided biopsies for liver tumors weekly. Ultrasound is the preferred modality for imaging biopsies due to its ability to visualize and position the biopsy needle in real time with high accuracy and safety, is nonionizing, and is quicker compared to other techniques, especially CT-guided biopsies. The failure rate of ultrasound guided liver biopsies (including cases where biopsy was declined to be performed due to lack of lesion visibility) is about 10%. By comparison, in the investigators' practice genotyping of metastatic tumors, with multiple core biopsies, is often requested for entry into oncology trials, and failure of tumor genotyping after biopsy is estimated to be about 30%.

Recently, the first ultrasound contrast agent was FDA-approved for characterization of liver lesions [sulfur hexafluoride lipid-type A microspheres (Lumason, Bracco Diagnostics, Monroe Township, NJ)]. The microbubble agent is deemed safe, including in cardiac failure patients and those with chronic airway obstruction. Injecting microbubbles may allow better visualization of lesions and adjacent vasculature by enhancing the microvasculature and adjacent vessels and potentially reduce incidence of failed biopsy or bleeding complications. In addition, determination of necrotic regions in a lesion may allow better direction of biopsy.

Yet there is limited literature on the use of ultrasound contrast agents for improving targeted liver biopsies. The investigators intend to prospectively assess the non-diagnostic biopsy and complication rates in a group of patients who undergo contrast-enhanced ultrasonography (CEUS) using microbubbles at the time of biopsy. The investigators will then compare the results from this group with the failure and complication rate from a control group of patients undergoing the standard US-guided biopsy procedure. Over 12 months the investigators expect to perform approximately 200 biopsies. Power analysis suggests that 125 patients in both contrast-enhanced sonography and control groups, each, are required. The investigators should be able to enroll sufficient patients in 18 months


Recruitment information / eligibility

Status Terminated
Enrollment 83
Est. completion date July 6, 2018
Est. primary completion date June 30, 2018
Accepts healthy volunteers No
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria:

1. Males and females

2. Age 18 years or greater

3. Scheduled to undergo liver biopsy with ultrasound guidance at a performance site

Exclusion Criteria:

1. Liver biopsy is not intended to obtain tissue from a specific lesion

2. Known or suspected cardiac shunt

3. History of hypersensitivity to any active or inactive ingredients in Lumason

Study Design


Related Conditions & MeSH terms


Intervention

Drug:
Lumason 60.7Mg Powder for Injection
Lumason 60.7Mg Powder for Injection injected prior to ultrasound-guided biopsy
Placebos
Placebos injected prior to ultrasound-guided biopsy

Locations

Country Name City State
United States Indiana University Health Indianapolis Indiana

Sponsors (1)

Lead Sponsor Collaborator
Indiana University

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Primary Complication Rate Complication will be defined as 1) bleeding seen on post-biopsy CT or US, 2) drop in hemoglobin of more than 1.5 g/dL within one week after biopsy, or 3) need for hepatic artery embolization. 30 days
Secondary Success Rate Biopsy sample being sufficient for histological diagnosis and/or complete genotyping. 30 days
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