Feasibility of EUS-guided Biliary Drainage With LAMS for the Treatmentof Patients With Distal Malignant Biliary Obstruction (SPAXUS)

Feasibility of EUS-guided Biliary Drainage With a New-type of Eletrocautery LAMS for the Treatmentof Patients With Distal Malignant Biliary Obstruction (SPAZUS)

Distal malignant biliary obstruction results from different types of tumors including pancreatic cancer, biliary tract cancer (BTC), gallbladder cancer, and metastasis, which can lead to obstructive jaundice. Endoscopic retrograde cholangiopancreatography (ERCP) represents the gold standard for jaundice palliation in this setting of patients. However, surgically altered anatomy (i.e., Whipple intervention, Roux-en-Y gastric bypass, Billroth II surgery), periampullary diverticula, gastric outlet obstruction, and malignant obstruction of the lumen determine the failure of the procedure in about 5-10% of cases, requiring alternative methods of decompression. Percutaneous transhepatic biliary drainage (PTBD) and surgical bypass are well established alternatives in these patients, but associated with increased morbidity, longer length of hospital stay and higher costs, and patient discomfort.

In 2001 Giovannini et al. described the first EUS guided biliary drainage (EUS-BD) through a transduodenal access with a needle knife.

Subsequently, EUS-BD has considerably evolved thanks to the development of dedicated devices such as lumen apposing metal stents (LAMS), specifically designed for endoscopic ultrasound procedures. LAMS are made up of braided nitinol, that is fully covered with silicone to prevent tissue ingrowth, with wide flanges on both ends to provide anchorage.

Recently, LAMS have been incorporated into a delivery system with an electrocautery mounted on the tip (Hot Axios; Boston Scientific Corp.), which allows the device to be used directly to penetrate the target structure without the need to utilize a 19G needle, a guidewire, and a cystotome for prior dilation. This has been described for drainage of peri-pancreatic fluid collections, common bile duct (CBD), gallbladder, and for creation of gastro-jejuno anastomosis. The biliary drainage procedure performed with the Hot Axios sistem is a one step procedure that requires less or no need for accessory exchange and becomes faster, thus potentially decreasing the risk of complications.

The procedure has been described as safe and effective with a technical success of 98.2 %, clinical success of 96.4 %, and low rate of complications 7 % (duodenal perforations, bleeding and transient cholangitis). A systematic review and meta-analyses showed clinical and technical success rates of 87% and 95% respectively. Currently, the EUS-BD is indicated as a rescue therapy for jaundice palliation after ERCP failure.

Study Overview

• Status: Recruiting
• Conditions: Biliary Obstruction
• Intervention / Treatment: Device: Electrocautetery LAMS

• Study Type: Observational
• Enrollment (Anticipated): 20

Contacts and Locations

• Study Contact: Name: Benedetto Mangiavillano, MD; Phone Number: (+39) 0331 476205 - 381; Email: benedetto.mangiavillano@mc.humanitas.it

Study Locations

• Italy
  • Castellanza, Italy, 21053
    • Recruiting
    • Humanitas Mater Domini
    • Contact: Benedetto Mangiavillano, MD; Phone Number: (+39) 0331 476205 - 381; Email: benedetto.mangiavillano@mc.humanitas.it

Participation Criteria

Eligibility Criteria

• Ages Eligible for Study: 14 years and older (Adult, Older Adult)
• Accepts Healthy Volunteers: No
• Genders Eligible for Study: All

• Sampling Method: Non-Probability Sample

Study Population

This is an observational multicentric prospective study coordinated by Dr. Benedetto Mangiavillano, Gastroenterology and Gastrointestinal Endoscopy Unit, Humanitas Mater Domini, Castellanza (VA), Italy. Data from consecutive patients with jaundice caused by distal malignant biliary obstruction will be evaluated and, if eligible and agreed to participate, will be recorded in an electronic register. Patients will be followed until death or for at least 6 months

Description

Inclusion Criteria:

• Age ≥18 years
• Patients with distal malignant biliary obstruction
• Dilated common bile duct (>15 mm diameter) at either abdominal ultrasound, computed tomography, magnetic resonance or EUS or accessible gallbladder from the duodenum or from the stomach for the drainage
• Agree to receive follow up phone calls
• Able to provide written informed consent

Exclusion Criteria:

• Coagulation and/or platelets hereditary disorders and/or INR>1.5, PLT<50,000
• Use of anticoagulants that cannot be discontinued
• Pregnant women
• Inability to sign the informed consent

Study Plan

How is the study designed?

Design Details

• Observational Models: Cohort
• Time Perspectives: Prospective

What is the study measuring?

Primary Outcome Measures

Outcome Measure	Measure Description	Time Frame
Rate of technical success	The rate of successful LAMS placement in the targeted organ	12 Months
Rate of clinical success	Decrease of the total bilirubin levels > 20% at 24 hours after procedure	12 Months

Collaborators and Investigators

• Sponsor: Istituto Clinico Humanitas

Study record dates

Study Major Dates

• Study Start (Actual): December 16, 2020
• Primary Completion (Anticipated): December 31, 2021
• Study Completion (Anticipated): December 31, 2021

Study Registration Dates

• First Submitted: January 20, 2021
• First Submitted That Met QC Criteria: January 20, 2021
• First Posted (Actual): January 25, 2021

Study Record Updates

• Last Update Posted (Actual): January 26, 2021
• Last Update Submitted That Met QC Criteria: January 23, 2021
• Last Verified: January 1, 2021

More Information

Terms related to this study

• Other Study ID Numbers: 102

Plan for Individual participant data (IPD)

• Plan to Share Individual Participant Data (IPD)?: No

Drug and device information, study documents

• Studies a U.S. FDA-regulated drug product: No
• Studies a U.S. FDA-regulated device product: No