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Reducing Lymph Node Dissection Extent Using Fluorescent Lymphography in Radical Gastrectomy: A New Concept of Individualized Fluorescent Lymphography-guided Selective Lymph Node Dissection (IF-SLND)

Reducing Lymph Node Dissection Extent Using Indocyanine Green Fluorescent Lymphography in Radical Gastrectomy: A New Concept of Individualized Fluorescent Lymphography-guided Selective Lymph Node Dissection (IF-SLND)

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
CRIS
Registry ID
KCT0011856
Enrollment
3236
Registered
2026-04-15
Start date
2025-08-27
Completion date
Unknown
Last updated
2026-04-20

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

None listed

Interventions

None listed

Sponsors

Yonsei University
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: We retrospectively analyzed patients diagnosed with gastric adenocarcinoma who underwent FL-guided minimally invasive gastrectomy at the Department of Surgery, Severance Hospital, Yonsei University Health System, Seoul, Korea, between August 2013 and December 2022.

Exclusion criteria

Exclusion criteria: Patients were excluded if they had: (1) distant metastasis, (2) a history of preoperative chemotherapy, (3) diffuse infiltrative or encircling tumors, (4) multiple lesions, (5) conversion to open surgery, or (6) missing station-level fluorescence data for any dissected LN station. Diffuse infiltrative, encircling, and multiple lesions were excluded because these features preclude the standardized four-quadrant peritumoral ICG injection.

Design outcomes

Primary

MeasureTime frame
number of patients with non-fluorescent metastatic lymph nodes—

Secondary

MeasureTime frame
number of metastatic lymph nodes, number of patients with pathologic stage migration—

Countries

Korea, Republic of

Contacts

Public ContactJawon Hwang

Yonsei University

june29@yuhs.ac+82-2-2228-2100

Outcome results

None listed

Source: CRIS (via WHO ICTRP) · Data processed: Apr 23, 2026