Assessment of Evaluation of tumor cell content ratio using endocytoscopy in biopsy tissue.

Assessment of Evaluation of tumor cell content ratio using endocytoscopy in biopsy tissue. - ECS4

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000038560

Enrollment

Registered

2019-11-13

Start date

2019-11-13

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

Lung cancer

Interventions

1/3 of the obtained tissue specimen is immersed in 10% formalin for 30 seconds and semi-fixed, and then 0.5% methylene blue is applied. Do not use a tissue sample that is considered impossible to c

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1) A case of bronchoscopy using EBUS-GS for localized lung disease. 2) Cases where a sufficient amount of tissue specimen that can be evaluated by ECS and pathological examination is expected to be obtained. 3) Age at consent is over 20 years old. 4) Explanation of the participation in the study is fully explained verbally and verbally, and consent is obtained in writing from the person.

Exclusion criteria

Exclusion criteria: 1) Cases judged by the attending physician / inspection physician as inappropriate.

Design outcomes

Primary

Measure	Time frame
Is it possible to evaluate tumor cell content using ECS?	—

Secondary

Measure	Time frame
Is it possible to estimate the presence of malignant findings and tumor cell content by imprint cytology of tissue specimens?	—

Countries

Japan

Contacts

Public ContactJUNRO UMEMOTO

Shimane University Respiratory medicine

jume@med.shimane-u.ac.jp0853-20-2580

Outcome results

None listed

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