A multicenter prospective randomized controlled study on number of to-and-fro movement at each puncture during endoscopic ultrasound-guided fine-needle aspiration of pancreatic masses: 3 vs. 12 to-and-fro movements

A multicenter prospective randomized controlled study on number of to-and-fro movement at each puncture during endoscopic ultrasound-guided fine-needle aspiration of pancreatic masses: 3 vs. 12 to-and-fro movements - Study on number of to-and-fro movement during EUS-FNA

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000037309

Enrollment

140

Registered

2019-09-01

Start date

2019-12-01

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

pancreatic tumor

Interventions

3 to-and-fro movements during EUS-FNA 12 to-and-fro movements during EUS-FNA

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1) Patients with pancreatic masses of 15 mm or larger in size by imaging (CT, MRI, PET, or EUS) and require pathological diagnosis 2) Age at the time of registration is over 20 years old 3) Patients obtained written informed consent after explanation about the study

Exclusion criteria

Exclusion criteria: 1) ECOG Performance Status (PS) 4 2) Pregnancy or pregnancy is suspected. 3) A definitive diagnosis has already been made by other biopsy methods. 4) Platelet count less than 50,000 / microL 5) PT-INR 1.5 or more 6) The examination responsibility or the attending doctor judged it to be inappropriate for the subject

Design outcomes

Primary

Measure	Time frame
Diagnostic sensitivity	—

Secondary

Measure	Time frame
1 Specificity, Accuracy, positive/negative predictive value 2 Sampling rate of macroscopically visible white tissue 3 Length of Macroscopically visible white specimen 4 Sampling rate of pathological tissue sample 5 Adverse Events	—

Countries

Japan

Contacts

Public ContactTakahashi Kosuke

University of Toyama Third Department of Internal Medicine

takapochi0809@gmail.com076-434-7301

Outcome results

None listed

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