Intraoperative fluorescence staining of brain tumors using 5-aminolevulinic acid and purple-color light emitting diode

Intraoperative fluorescence staining of brain tumors using 5-aminolevulinic acid and purple-color light emitting diode - Intraoperative fluorescence staining of brain tumors using 5-aminolevulinic acid

Status

Active, not recruiting

Phases

Phase 1

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000017946

Enrollment

Registered

2015-06-17

Start date

2010-04-26

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

Brain tumors

Interventions

Oral administration of 5-aminolevulinic acid

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients undergoing surgical biopsy or resection for suspected malignant brain tumor based on preoperative imaging, including brain metastasis, malignant lymphoma, medulloblastoma, and germ cell tumor

Exclusion criteria

Exclusion criteria: Patients with suspected glioma: Alabel (5-aminolevulinic acid) is covered by insurance

Design outcomes

Primary

Measure	Time frame
Efficacy	—

Secondary

Measure	Time frame
Safety	—

Countries

Japan

Contacts

Public ContactShota Tanaka

The University of Tokyo Hospital Department of Neurosurgery

tanakas-tky@umin.ac.jp03-5800-8853

Outcome results

None listed

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