Endocytoscopy observation of novel pit structure associated with type IVv pit pattern for colorectal tumor :Pilot study

Endocytoscopy observation of novel pit structure associated with type IVv pit pattern for colorectal tumor :Pilot study - Endocytoscopy observation of novel pit structure

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000014394

Enrollment

Registered

2014-07-01

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

colorectal lesions

Interventions

Endocytoscopy observation

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: (1)Colorectal liesions with type IVv pit pattern. (2)Colorectal liesions which were resected after observation with Endocytoscopy.

Exclusion criteria

Exclusion criteria: (1)Advanced colorectal cancer(T2 or more)

Design outcomes

Primary

Measure	Time frame
Diagnostic ability (sensitivity, specificity, accuracy, positive predictive value, and negative predictive value) for colorectal lesion pathology in adenoma component.	—

Secondary

Measure	Time frame
1) Incidence rate for novel pit structure 2) Diagnostic ability for colorectal lesion pathology in difference between cancerous and non-cancerous.	—

Countries

Japan

Contacts

Public ContactMaeda Yasuharu

Showa University, Northern Yokohama Hospital Digestive Disease Center

yasuharumaeda610@hotmail.com0459497446

Outcome results

None listed

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