Diagnostic performance and safety of Narrow Band Imaging magnification of colorectal tumors with acetic acid spraying

Diagnostic performance and safety of Narrow Band Imaging magnification of colorectal tumors with acetic acid spraying - Diagnostic performance and safety of Narrow Band Imaging magnification of colorectal tumors with acetic acid spraying

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000049272

Enrollment

330

Registered

2022-10-20

Start date

2021-03-24

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 epithelial tumor

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients who have undergone ANBI-ME for colorectal tumors and who have undergone endoscopic or surgical resection with pathologic results of adenoma or cancer

Exclusion criteria

Exclusion criteria: Persons with ulcerative colitis Familial colorectal adenomatosis Pregnant or possibly pregnant

Design outcomes

Primary

Measure	Time frame
Concordance of pit pattern diagnosis between NBI magnification under acetic acid spraying at appropriate concentrations and crystal violet staining magnification.	—

Secondary

Measure	Time frame
Differences in the degree of hyperperistalsis under various acetic acid concentrations Frequency of posterior hemorrhage in cases of endoscopic resection after ANBI-ME Accuracy of pit pattern in ANBI-ME and CV-ME	—

Countries

Japan

Contacts

Public ContactTakeshi Shimizu

Sendai city medical center Sendai Open Hospital Gastroenterology

takeshi.shimizu@openhp.or.jp0220521111

Outcome results