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Comparative Study of 19GFNA and FNB for lymphadenopathy

Multicenter Prospective Comparative Trial of 19G FNA and FNB Needles for the diagnosis of lymphadenopathy

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-jRCT1042260058
Enrollment
160
Registered
2026-06-10
Start date
2026-03-10
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

Mediastinal and intra-abdominal lymphadenopathy lymphadenopathy

Interventions

To evaluate the selection of the most effective and safest needle for lymph node biopsy (EUS-TA) using either a 19GFNA needle or an FNB needle, a prospective comparative study will be conducted using
19G needle EUS-TA

Sponsors

Okuno Mitsuru
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Cases with mediastinal or abdominal lymphadenopathy detected by CT or ultrasound imaging. 2. Cases with lymphadenopathy without a pathological diagnosis. 3. Patients aged 18 years or older. 4. Lymphadenopathy of 10mm or greater. 5. Patients not taking oral anticoagulants.

Exclusion criteria

Exclusion criteria: 1. Cases in which a pathological diagnosis of lymph node swelling has already been made 2. Cases in which endoscopic examination is difficult 3. Cases in which consent to participate in this study cannot be obtained 4. Other cases in which this study is considered medically inappropriate

Design outcomes

Primary

MeasureTime frame
Accuracy of histopathological examination: Non-inferiority of 19G FNA needle to 19G FNB needle

Secondary

MeasureTime frame
Pathological cytological accuracy Sensitivity of immunohistochemical staining in malignant lymphoma Sensitivity of surface markers in malignant lymphoma Sensitivity of chromosome testing in malignant lymphoma Sensitivity of FISH in malignant lymphoma

Contacts

Public ContactMitsuru Okuno

Matsunami General Hospital

mkobdkl@yahoo.co.jp+81-58-388-0111

Outcome results

None listed

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