Skip to content

Effect of different biopsy forceps diameters on pathological diagnosis of superficial cancer in head, neck and esophagus.

Effect of different biopsy forceps diameters on pathological diagnosis of superficial cancer in head, neck and esophagus. - Effect of different biopsy forceps diameters on pathological diagnosis of superficial cancer in head, neck and esophagus.

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000043176
Enrollment
435
Registered
2021-01-30
Start date
2021-02-01
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

superficial cancer in head, neck and esophagus

Interventions

A large biopsy forceps group At the time of endoscopic treatment, one biopsy is performed from the lesion, using biopsy forceps with a minimum working channel of 2.8mm. A small biopsy forceps group

Sponsors

Osaka International Cancer Institute
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: squamous cell carcinoma, already diagnosed or suspected More than 20 years old In the case of superficial esophageal cancer, no history of chemotherapy, radiation therapy, or surgery for esophageal cancer In the case of superficial head and neck cancer, no history of chemotherapy, radiation therapy, or surgery for head and neck cancer More than 3 months since last chemotherapy for other carcinoma Endoscopically diagnosed as 10mm or more Localization without cervical part of esophagus No organ failure

Exclusion criteria

Exclusion criteria: Patients with contraindications of iodine stain Patients with hemorrhagic disorders, except for patients with coagulopathy or anticoagulant therapy who can follow the Japanese guideline. Pregnancy Disqualified patients with other reasons

Design outcomes

Primary

MeasureTime frame
The accuracy of pathological diagnosis by biopsy forceps when pathological diagnosis of endoscopically resected specimen is used as reference standard.

Countries

Japan

Contacts

Public ContactYasuhiro Tani

Osaka International Cancre Institute Gastrointestinal Oncology

yasuhiro.tani@oici.jp06-6945-1181

Outcome results

None listed

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