A prospective study to determine the appropriate number of to-and-fro movements per one pass of EUS-FNB for solid pancreatic lesions

A prospective study to determine the appropriate number of to-and-fro movements per one pass of EUS-FNB for solid pancreatic lesions - A prospective study to determine the appropriate number of to-and-fro movements per one pass of EUS-FNB for solid pancreatic lesions

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000040285

Enrollment

Registered

2020-06-01

Start date

2020-10-12

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

solid pancreatic lesions

Interventions

The number of to-and-fro movements of EUS-FNB is 5 times in the first pass and 15 times in the second pass. The number of to-and-fro movements of EUS-FNB is 15 times in the first pass and 5 times in

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: (1) Patients who need histopathological diagnosis for solid pancreatic lesions by EUS-FNB. (2) Patients who provided written informed consent.

Exclusion criteria

Exclusion criteria: (1) Patients in European Cooperative Oncology Group performance status 4. (2) Patients with severe adverse events in other organs except those involving the original disease (American Society of Anesthesiologists classification greater than 3). (3) Patients contraindicated for cessation of anticoagulant therapy. (4) Pregnant patients or those suspected of being pregnant. (5) Solid pancreatic lesions with definite diagnosis by another biopsy. (6) Solid pancreatic lesions demonstrating difficulty in visualization on EUS. (7) Patients who judged as inappropriate by attendant doctors.

Design outcomes

Primary

Measure	Time frame
The accuracy of histological diagnosis by the number of to-and-fro movements.	—

Secondary

Measure	Time frame
The total area of the specimen by the number of to-and-fro movements.	—

Countries

Japan

Contacts

Public ContactKunio Kataoka

Nagoya University Graduate School of Medicine Department of gastroenterology

kkataoka@med.nagoya-u.ac.jp052-744-2602

Outcome results

None listed

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