Randomized cross-over clinical trial about the diagnositic accuracy of EUS-FNA for submucosal tumor; Comparison between needle with side reverse bevel and standard needle

Randomized cross-over clinical trial about the diagnositic accuracy of EUS-FNA for submucosal tumor; Comparison between needle with side reverse bevel and standard needle - Randomized cross-over clinical trial about the diagnositic accuracy of EUS-FNA for submucosal tumor; Comparison between needle with side reverse bevel and standard needle

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000012633

Enrollment

Registered

2013-12-20

Start date

2014-07-01

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

Esophagial or gastric submucosal tumor

Interventions

GroupA: Puncture the lesion on the first and the third time with Procore (side reverse beveled) needle and on the second and the fourth time with Echo Tip Ultra (standard) needle GroupB: Puncture the

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1) Cases need histological or cytological diagnosis for treatment 2) Cases obtained written informed consent

Exclusion criteria

Exclusion criteria: 1) Cases with high risk of puncturing cystic lesion 2) Cases with known bleeding disorders 3) Cases regarded by doctors as inappropriate for the enrollment for some reasons

Design outcomes

Primary

Measure	Time frame
Diagnositic accuracy	—

Countries

Japan

Contacts

Public ContactTomohisa Iwai

Kitasato University School of Medicine Gatroenterology

t-iwai@kitasato-u.ac.jp042-778-8111

Outcome results

None listed

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