Skip to content

A clinical trial of efficacy and safety of sodium phenylbutyrate in progressive familial intrahepatic cholestasis type 2

A clinical trial of efficacy and safety of sodium phenylbutyrate in progressive familial intrahepatic cholestasis type 2 - A clinical trial of efficacy and safety of sodium phenylbutyrate in progressive familial intrahepatic cholestasis type 2

Status
Active, not recruiting
Phases
Phase 2
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000024753
Enrollment
6
Registered
2016-12-01
Start date
2016-11-18
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

progressive familial intrahepatic cholestasis type 2

Interventions

To subscribe 450 or 600mg/kg/day sodium phenylbutylate (buphenyl) for 24 weeks

Sponsors

Japan Agency for Medical Research and Development
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1)Patients who are diagnosed with PFIC type 2 2)Hospitalised- or out-patients 3)Those who can intake medicine per oral and continue the treatment 4)Those who can receive the observation necessary in this study 5) Those who have given written informed consent on the use of their data for the study (patients or legally acceptable representative)

Exclusion criteria

Exclusion criteria: 1)Those who participated in another study within 3 months 2)Those who have hypersensitivity with phenylbutylate and/or its metabolite 3)Those who received liver transplantation 4)Those who received biliary diversion 5)Those who are pregnant or hoping pregnancy 6)Those who cannot accept to practice contraception 7)Those with congestive heart failure 8)Those with renal dysfunction 9)Those with nonsense or frameshift mutation, or exon deletion in both ABCB11 alleles 10) Those with liver cirrhosis

Design outcomes

Primary

MeasureTime frame
To evaluate liver histopathology before and after 24-weeks treatment with sodium phenylbutylate

Secondary

MeasureTime frame
1)Liver histopathological score 2)Reliability of histopathological scoring system 3)Biomarkers such as AST, ALT, g-GTP, T.Bil, D.Bil 4)Itching 5)Biomarkers such as plasma amino acid fraction (isoleucine, glutamine, glutamic acid, argineine), and anmonia 6)Survival rate 7)Liver transplantation avoidance rate 8)Pharmacokinetics 9)Adverse events

Countries

Japan

Contacts

Public ContactHiroki Kondou

Kindai University Nara Hospital Department of Pediatrics

kondou-hiroki@med.kindai.ac.jp0743-77-0880

Outcome results

None listed

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