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A single-center, prospective pilot study to elucidate the fluorescence diagnostic ability of 5-aminolevulinic acid for cholangiocarcinoma

A single-center, prospective pilot study to elucidate the fluorescence diagnostic ability of 5-aminolevulinic acid for cholangiocarcinoma - A novel fluorescence diagnostic method of cholangiocarcinoma using 5-aminolevulinic acid

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000025915
Enrollment
20
Registered
2017-04-01
Start date
2017-05-01
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

cholangiocarcinoma

Interventions

Period of implementation: 3 days Maximum observation period: 12 months A single dose of 5-ALA (5-ALA 20 mg / kg dissolved in 200 ml of water
dosage approved as an intraoperative diagnostic for brain tumor)

Sponsors

Okayama University Hospital
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Bile duct stenosis suspected of cholangiocarcinoma 2. Patients who obtained informed concent 3. 20 years of age or older

Exclusion criteria

Exclusion criteria: 1. Cases in ECOG performance status 4 2. Cases with serious complications in other organs 3. Cases who have difficulty in endoscopic approach via the ampulla of Vater 4. Cases under 20 years of age 5. Cases who don't give informed consent 6. Cases with hypersensitivity porphyrin related substances or its previous history 7. Cases with porphyria 8. Pregnant women or cases who may be pregnant 9. Other cases that the research responsibility (share) person judged inappropriate as the research subject

Design outcomes

Primary

MeasureTime frame
Accuracy rate of diagnosis of cholangiocarcinoma by evalation of expression of protoporphyrinIX

Secondary

MeasureTime frame
1.Technical success rate 2.Comparison between normal light, NBI observation and fluorescence observation for evalation of mucosal cancerous extension 3.Rate of complication 4.Rate of drug-related adverse event

Countries

Japan

Contacts

Public ContactShinichiro Muro

Okayama University Hospital Depertment of Endoscopy

shinm0416@yahoo.co.jp086-235-7219

Outcome results

None listed

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