A prospective randomized cotrolled study comparing EUS sonopsy CY(R) and 22G biopsy needles for EUS-guided fine-needle aspiration of solid pancreatic mass lesions

A prospective randomized cotrolled study comparing EUS sonopsy CY(R) and 22G biopsy needles for EUS-guided fine-needle aspiration of solid pancreatic mass lesions - A prospective randomized cotrolled study comparing EUS sonopsy CY(R) and 22G biopsy needles for EUS-guided fine-needle aspiration of solid pancreatic mass lesions

Status

Active, not recruiting

Phases

Phase 2

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000020668

Enrollment

200

Registered

2016-01-20

Start date

2016-02-01

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

solid pancreatic mass lesions

Interventions

In EUS-FNA, 1st puncture using EUS sonopsy CY(R) and 2nd puncture using 22GEUSFNA needle(Sonotip 22G(R)). In EUS-FNA, 1st puncture using 22GEUSFNA needle(Sonotip 22G(R)) and 2nd puncture using EUS son

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients with pancreatic mass who are refered to EUS-FNA

Exclusion criteria

Exclusion criteria: Patients with Performance status 4 Patients who have risk of bleeding,or patients with platelet count less than fifty thousand/mm2 Patients with antithrombotic agent 2 agent or more Patients with pancreatic mass which we cannot detect by EUS Pregnant woman Patients less than 20 years old Patients who do not agree to participate in this study Patients who determined to be inappropriate

Design outcomes

Primary

Measure	Time frame
The tissue collection rate in each group.	—

Secondary

Measure	Time frame
The tissue collection rate based on the tumor size location and puncture route, the tissue collection rate of all session , the tissue diagnosis rate and adverse event in each group.	—

Countries

Japan

Contacts

Public ContactSho mizukawa

Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences Department of Gastroenterology and Hepatology

mimizukawa@gmail.com086-235-7219

Outcome results

None listed

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