ClinicalTrials.gg
RecruitingNCT06106750Updated Oct 30, 2023

Endoscopic Scissors Cutting Nasobiliary Duct VS Bilateral Plastic Stent

An interventional study of Endoscopic nasobiliary duct cutting and Bilateral plastic stent in Cholangiocarcinoma, Hilar, Biliary Stricture and Hilar Cholangiocarcinoma, sponsored by First People's Hospital of Hangzhou. Recruiting at 1 site in China. Open to participants aged 18 Years to 80 Years. Per ClinicalTrials.gov, last updated 2023-10-30.

Sponsored by First People's Hospital of Hangzhou · Not applicable, Interventional, and Treatment

From the registry’s dates

  • Primary completion was expected by Jan 2026, 10 months ago, but the record still lists the study as recruiting.
  • Registered 1 year 9 months after the study started (first participant enrolled Jan 2022, registered Oct 2023).
  • Started Jan 2022; still recruiting 4 years 10 months later.
Phase
Not applicable
Study type
Interventional
Enrollment
122
Allocation
Randomized
Ages
18 Years to 80 Years
Sex
All
01

Study summary

The purpose of this study is to explore the efficacy and safety of endoscopic scissors cutting nasobiliary ducts in the treatment of malignant hilar biliary tract stenosis

Read the detailed description

The early diagnosis of hilar bile duct stenosis is difficult, and when the patient is diagnosed, the opportunity for surgical radical resection is lost, resulting in a poor prognosis. Effective palliative treatment can significantly improve their quality of life and survival time. The method of cutting nasobiliary ducts with endoscopic scissors has many advantages. Firstly, there are multiple lateral foramen of the nasobiliary duct, which increases the drainage area. Secondly, the nasobiliary duct can be retained in the secondary bile duct, which is difficult to achieve with a conventional stent. The use of nasobiliary ducts can also reduce the difficulty of converting from external drainage to internal drainage.

02

Conditions studied

  • Cholangiocarcinoma, Hilar
  • Biliary Stricture
  • Hilar Cholangiocarcinoma
  • Klatskin Tumor
  • Biliary Disease
  • Bile Duct Diseases
  • Bile Duct Stenosis

Keywords

  • Endoscopic Retrograde Cholangiopancreatography
  • Nasobiliary Duct
  • Stent
  • Endoscopic Drainage
03

In context

Klatskin Tumor

82 studies on the registry are indexed under Klatskin Tumor; 27 are open to participants now.

This study's planned enrollment of 122 is above the median of 55 across 56 interventional studies indexed under Klatskin Tumor.

Browse Klatskin Tumor studies →

Lead sponsor

First People's Hospital of Hangzhou is the lead sponsor of 73 studies on the registry; 28 are open to participants now.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
18 Years to 80 Years
Sexes eligible
All
Accepts healthy volunteers
No

Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.

Inclusion criteria

  1. Patients over 18 years old and under 80 years old who were planned to carry out ERCP for malignant hilar biliary duct stenosis
  2. Clinically and confirmed malignant hilar biliary duct stenosis
  3. MRCP determines Bismuth classification: II-IV type
  4. Comply with research procedures and sign the form

Exclusion criteria

Exclusion Criteria:

  1. The patient has multiple organ dysfunction and cannot tolerate endoscopic treatment
  2. The patient has undergone biliary drainage (endoscopic, percutaneous, or surgical)
  3. The patient is currently suffering from cholangitis
  4. The patient is participating in other clinical trials
  5. Inability to provide
Terms in these criteria, in plain language(2)

Underlined terms in the criteria open these too. Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.

Histologically or cytologically confirmed

The diagnosis was confirmed by looking at a sample under a microscope: tissue from a biopsy or surgery (histology), or cells from a fluid or needle sample (cytology).

Your pathology report is the document that shows this.

Informed consent

Before you join, the study team explains what taking part involves — its purpose, what happens, the risks and possible benefits — and answers your questions, so you can decide freely. Consent is usually recorded on a form (the informed consent form, ICF) signed by you or, where the law allows, by someone legally authorised to decide for you.

You can keep asking questions during the study, you are told of new information that matters, and you can choose to leave at any time.

05

Study design

Phase
Not applicable
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Parallel assignment
Masking
None (open label)
Enrollment
122 participants (estimated)

Study arms

  • Experimental
    Nasobiliary duct cutting

    Endoscopic retrograde cholangiopancreatography and endoscopic nasobiliary duct placement and drainage are conducted first. Upon achieving a postoperative state marked by satisfactory nasobiliary duct drainage and overall patient stability, the procedure entails the employment of endoscopic scissors. The tools are applied to make an incision on the external segment of the nasobiliary duct, positioned beyond the aperture of the primary duodenal papilla. Then, extracting the severed nasobiliary duct and retaining the portion inside it.

    Device: Endoscopic nasobiliary duct cutting

  • Active comparator
    Bilateral plastic stent

    Standard protocol for the placement of bilateral biliary plastic stents in the management of malignant hilar biliary tract stenosis

    Device: Bilateral plastic stent

Interventions

  • DeviceEndoscopic nasobiliary duct cutting

    Endoscopic retrograde cholangiopancreatography and endoscopic nasobiliary duct placement and drainage are conducted first. Upon achieving a postoperative state marked by satisfactory nasobiliary duct drainage and overall patient stability, the procedure entails the employment of endoscopic scissors. The tools are applied to make an incision on the external segment of the nasobiliary duct, positioned beyond the aperture of the primary duodenal papilla. Then extracting the severed nasobiliary duct and retaining the portion inside the duct.

  • DeviceBilateral plastic stent

    Standard protocol for the placement of bilateral biliary plastic stents in the management of malignant hilar biliary tract stenosis

06

What researchers measure

Primary outcomes

  1. The occurrence of cholangitis

    Cholangitis that occurred within 1 month after endoscopic retrograde cholangiopancreatography(ERCP).

    Time frame: 1 month

  2. Clinical success

    Clinical success was defined that the decrease in the total bilirubin level to less than 50% of the pretreatment value within 1 week or to less than 75% within 1 month.

    Time frame: 1 month

Secondary outcomes

  1. Re-intervention

    Re-intervention was defined that endoscopic or percutaneous procedure to improve biliary drainage for jaundice or cholangitis after successful placement.

    Time frame: 6 month

  2. Adverse events

    ERCP-related adverse events

    Time frame: 1 month

07

Study locations

1 of 1 sites recruiting
08

References and documents

Publications

  • Kawashima H, Itoh A, Ohno E, Itoh Y, Ebata T, Nagino M, Goto H, Hirooka Y. Preoperative endoscopic nasobiliary drainage in 164 consecutive patients with suspected perihilar cholangiocarcinoma: a retrospective study of efficacy and risk factors related to complications. Ann Surg. 2013 Jan;257(1):121-7. doi: 10.1097/SLA.0b013e318262b2e9. PubMed 22895398 ↗
  • Kawakami H, Kuwatani M, Onodera M, Haba S, Eto K, Ehira N, Yamato H, Kudo T, Tanaka E, Hirano S, Kondo S, Asaka M. Endoscopic nasobiliary drainage is the most suitable preoperative biliary drainage method in the management of patients with hilar cholangiocarcinoma. J Gastroenterol. 2011 Feb;46(2):242-8. doi: 10.1007/s00535-010-0298-1. Epub 2010 Aug 11. PubMed 20700608 ↗
  • Hakuta R, Kogure H, Nakai Y, Kawakami H, Maguchi H, Mukai T, Iwashita T, Saito T, Togawa O, Matsubara S, Hayashi T, Maetani I, Ito Y, Hasebe O, Itoi T, Hanada K, Isayama H. Unilateral versus Bilateral Endoscopic Nasobiliary Drainage and Subsequent Metal Stent Placement for Unresectable Malignant Hilar Obstruction: A Multicenter Randomized Controlled Trial. J Clin Med. 2021 Jan 8;10(2):206. doi: 10.3390/jcm10020206. PubMed 33430020 ↗
  • Sugiura R, Kuwatani M, Hayashi T, Yoshida M, Ihara H, Yamato H, Onodera M, Katanuma A; Hokkaido Interventional EUS/ERCP study (HONEST) group. Endoscopic Nasobiliary Drainage Comparable with Endoscopic Biliary Stenting as a Preoperative Drainage Method for Malignant Hilar Biliary Obstruction: A Multicenter Retrospective Study. Digestion. 2022;103(3):205-216. doi: 10.1159/000521510. Epub 2022 Jan 26. PubMed 35081535 ↗

Individual participant data

Plan to share: No

09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Oct 30, 2023, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT06106750
Lead sponsor
First People's Hospital of Hangzhou
Responsible party
Jianfeng Yang (Department director, First People's Hospital of Hangzhou) — Principal investigator
First posted
Oct 30, 2023
Start date
Jan 1, 2022
Primary completion
Jan 1, 2026 (estimated)
Completion
Jan 1, 2026 (estimated)
Last update
Oct 30, 2023

Study contacts

Jianfeng Yang, Doctor
Contact
yjf-1976@163.com, yjf3303@zju.edu.cn
(+86)13454132186
Wangyang Chen
Contact
22118301@zju.edu.cn
(+86)18868108329
Jianfeng Yang, Doctor
principal investigator · First People's Hospital of Hangzhou

Oversight

Data monitoring committee
Yes
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

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