Usefulness of Endoscopic Ultrasound-guided Fine-needle Biopsy for the Diagnosis of Type 1 Autoimmune Pancreatitis Using a 19G Franseen needle

Usefulness of Endoscopic Ultrasound-guided Fine-needle Biopsy for the Diagnosis of Type 1 Autoimmune Pancreatitis Using a 19G Franseen needle - AIP 19G Franseen Needle study

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000041352

Enrollment

Registered

2020-09-01

Start date

2020-10-21

Completion date

Unknown

Last updated

2026-06-29

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

Conditions

Type 1 autoimmune pancreatitis

Interventions

Using a 19G Franseen needle.

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients who met the imaging and clinical findings based on the international consensus diagnostic criteria and require histological evaluation by EUS-FNB.

Exclusion criteria

Exclusion criteria: Not possible to suspend antithrombotic drugs poorly controlled infection serious drug allergy current pregnancy or lactation, possible pregnancy, or possible intent to become pregnant severe mental disorders judgment of ineligibility by the principal investigator or subinvestigator

Design outcomes

Primary

Measure	Time frame
Histological diagnostic accuracy of EUS-FNB using a 19G Franseen needle for type 1 autoimmune pancreatitis	—

Countries

Japan

Contacts

Public ContactTakuya Ishikawa

Nagoya University Graduate School of Medicine Department of Gastroenterology and Hepatology

ishitaku@med.nagoya-u.ac.jp0527442602

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026