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Comparison between the direct cut technique above the duodenal papilla and the traditional attempt to access the bile duct

Needle-knife fistulotomy versus conventional cannulation attempt: a randomized clinical trial

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
REBEC
Registry ID
RBR-6fcwx9s
Enrollment
Unknown
Registered
2025-10-20
Start date
2026-02-01
Completion date
Unknown
Last updated
2025-10-27

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Pancreatitis, Acute

Interventions

This is a two-arm, randomized controlled clinical trial with blinded outcome assessment, conducted at a single tertiary care center. Group 1 – Intervention (Needle-knife fistulotomy): 109 adult patien

Sponsors

Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo
Lead Sponsor
Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo
Collaborator

Eligibility

Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: Patients undergoing endoscopic retrograde cholangiopancreatography (ERCP) for the first time; favorable papillary morphology; infundibular bulging of at least 8 mm, with a minimum distance of 3 mm from the papillary orifice and a minimum length of 5 mm for endoscopic incision; age over 18 years; agreement with the Informed Consent Form

Exclusion criteria

Exclusion criteria: Refusal to sign the Informed Consent Form (ICF); previous endoscopic retrograde cholangiopancreatography (ERCP); coagulopathy; surgical history that alters endoscopic access to the biliary tract (e.g., gastrectomy with Billroth II or Roux-en-Y reconstruction); pancreatic sphincterotomy

Design outcomes

Primary

MeasureTime frame
Compare the efficacy (success and cannulation time) for biliary access using needle-knife fistulotomy (NKF) versus conventional cannulation attempt (CC).

Secondary

MeasureTime frame
Compare the safety (incidence of adverse events: pancreatitis, bleeding, cholangitis, and perforation) for biliary access using needle-knife fistulotomy (NKF) versus conventional cannulation attempt (CC).

Countries

Brazil

Contacts

Public ContactMateus Funari

Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo

mateusfunari@gmail.com+55(11)26616467

Outcome results

None listed

Source: REBEC (via WHO ICTRP)