Development of the new diagnostic method of resection stump and lymph node metastases in gastric cancer patients using 5-ALA.

Development of the new diagnostic method of resection stump and lymph node metastases in gastric cancer patients using 5-ALA. - Diagnosis o fresection stump and lymph node metastases in gastric cancer patients using 5-ALA.

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000018548

Enrollment

Registered

2015-08-05

Start date

2015-07-31

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

gastric cancer

Interventions

Fluorescence diagnosis using 5-ALA of resected lymph nodes of gastric cancer will be studied. Patients received a dose at 20 mg per kg body weight of 5-ALA 3 hours prior to surgery. We compare fluores

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients have a malignant tumor lesions in the stomach Patients who provided signed informed consent

Exclusion criteria

Exclusion criteria: Porphyria Patients with a history of hypersensitivity of 5-ALA or porphyrins Patients taking drugs that may cause photosensitivity (tetracycline antibiotics, sulfonamide-based formulation, new quinolone antibiotics, hypericin, St. John's wort-containing foods, etc) Patients who is or might be pregnant Patients who is determined inappropriate to participate in the study by the attending physician

Design outcomes

Primary

Measure	Time frame
Sensitivity and specificity of lymph node metastasis using fluorescence diagnostics	—

Secondary

Measure	Time frame
The comparison to the difference in fluorescence between normal and metastatic lymph nodes, Positive predictive value, Negative predictive value	—

Countries

Japan

Contacts

Public ContactYasutoshi Murayama

Kyoto Prefectural University of Medicine Division of Digestive Surgery, Department of Surgery

murayama@koto.kpu-m.ac.jp075-251-5527

Outcome results

None listed

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