An Open-label Extension Study to Evaluate Long-term Efficacy and Safety of Odevixibat in Children With Biliary Atresia
Public ClinicalTrials.gov record NCT05426733. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
An Open-label Extension Study to Evaluate Long-term Efficacy and Safety of Odevixibat (A4250) in Children With Biliary Atresia (BOLD-EXT)
Study identification
- NCT ID
- NCT05426733
- Recruitment status
- Enrolling by invitation
- Study type
- Interventional
- Phase
- Phase 3
- Lead sponsor
- Albireo, an Ipsen Company
- Industry
- Enrollment
- 180 participants
Conditions and interventions
Conditions
Interventions
- Odevixibat Drug
Drug
Eligibility (public fields only)
- Age range
- Not listed
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Jul 4, 2022
- Primary completion
- Jun 29, 2028
- Completion
- Jun 29, 2028
- Last update posted
- May 27, 2026
2022 – 2028
United States locations
- U.S. sites
- 10
- U.S. states
- 8
- U.S. cities
- 9
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Children's Hospital Colorado | Aurora | Colorado | 80045 | — |
| Children's Healhcare of Atlanta- Emory University school of medicine | Atlanta | Georgia | 30322 | — |
| Indiana University school of Medicine | Indianapolis | Indiana | 46202 | — |
| Boston Children's Hospital | Boston | Massachusetts | 02115 | — |
| Children's Mercy Hospital and Clinics | Kansas City | Missouri | 64108 | — |
| Hassenfeld Children's Hospital at NYU Langone | New York | New York | 10016 | — |
| Columbia University Medical Center New York Presbyterian Morgan Stanley-Komansky Childrens Hospital | New York | New York | 10032 | — |
| The Childrens Hospital at Montefiore Albert Einstein School of Medicine | The Bronx | New York | 10467 | — |
| Cincinnati Children's Hospital Medical Center | Cincinnati | Ohio | 45229 | — |
| Seattle Children's Hospital | Seattle | Washington | 98105 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
Non-U.S. locations
This page focuses on the U.S. directory. The official record also lists 20 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT05426733, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted May 27, 2026 · Synced Jun 26, 2026
Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.
Open the official record
The complete protocol, eligibility criteria, and contact information for NCT05426733 live on ClinicalTrials.gov.