Feasibility study of a new model Endoscopic ultrasound guided fine needle aspiration biopsy (EUS-FNAB) needles

Feasibility study of a new model Endoscopic ultrasound guided fine needle aspiration biopsy (EUS-FNAB) needles - Nagoya univ. EUS-FNA needle study

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000025293

Enrollment

Registered

2017-01-01

Start date

2017-01-01

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

Surgically resected specimen of pancreatic tumor or Gastrointestinal subepithelial lesion(SEL).

Interventions

Puncture into the surgically resected specimen

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1)Patients who underwent surgical resection for gastrointestinal malignancy. 2)Resected specimen is suitable or appropriate for puncture. 3)Patients who provided written informed consent.

Exclusion criteria

Exclusion criteria: 1)patients who rejected participating in this study 2)Patients judged as inappropriate by attendant doctor. 3)When serious damages expected by needle puncture.

Design outcomes

Primary

Measure	Time frame
To evaluate the quality and quantity of histology as determined by total tissue area and tumor percentage in tissue by using newly designed EUS-FNAB needles.	—

Secondary

Measure	Time frame
To assess the resistance force in puncture to the tumor tissue	—

Countries

Japan

Contacts

Public ContactEizaburo Ohno

Nagoya University Graduate School of Medicine Department of Gastroenterology and Hepatology

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

Outcome results

None listed

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