A prospective multicenter study of EUS-guided through-the-needle biopsy (EUS-TTNB) for abdominal solid lesion

A prospective multicenter study of EUS-guided through-the-needle biopsy (EUS-TTNB) for abdominal solid lesion - EUS-TTNB

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000014149

Enrollment

100

Registered

2014-06-03

Start date

2014-06-03

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

Patients who will undergo EUS-FNA for an abdominal solid lesion

Interventions

EUS-guided through-the-needle biopsy

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1)Patients with abdominal solid lesion 15mm amd larger who will undergo EUS-FNA 2)Age 20 years and older 3)ECOG PS 0-3 4)written informed consent

Exclusion criteria

Exclusion criteria: 1)Patients with coagulopathy 2)Patients whose lesions are not safely punctured by EUS-FNA 3)No informed consent 4)Patients who are considered as inappropriate for study enrollment by investigators

Design outcomes

Primary

Measure	Time frame
The diagnostic yield of malignancy (EUS-TTNB, EUS-FNA, EUS-TTNB+EUS-FNA)	—

Secondary

Measure	Time frame
Technical success, safety, rate of macroscopic tissue sampling, the diagnostic yield of specific diseases	—

Countries

Japan

Contacts

Public ContactYousuke Nakai

The University of Tokyo, Graduate School of Medicine Department of Gastroenterology

ynakai-tky@umin.ac.jp03-3815-5411

Outcome results

None listed

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