Testing Obeticholic Acid for Familial Adenomatous Polyposis
Public ClinicalTrials.gov record NCT05223036. 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
A Phase IIa, Placebo-Controlled, Randomized Study of Daily Obeticholic Acid (OCA) to Reduce Intestinal Polyp Burden in Familial Adenomatous Polyposis (FAP)
Study identification
- NCT ID
- NCT05223036
- Recruitment status
- Terminated
- Study type
- Interventional
- Phase
- Phase 2
- Lead sponsor
- National Cancer Institute (NCI)
- NIH
- Enrollment
- 15 participants
Conditions and interventions
Conditions
Interventions
- Biopsy Procedure Procedure
- Biospecimen Collection Procedure
- Gastrointestinal Endoscopy Procedure
- Obeticholic Acid Biological
- Placebo Administration Drug
- Questionnaire Administration Other
Procedure · Biological · Drug + 1 more
Eligibility (public fields only)
- Age range
- 18 Years and older
- 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
- Jan 18, 2023
- Primary completion
- Mar 16, 2026
- Completion
- Apr 16, 2026
- Last update posted
- May 13, 2026
2023 – 2026
United States locations
- U.S. sites
- 6
- U.S. states
- 6
- U.S. cities
- 6
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Mayo Clinic in Arizona | Scottsdale | Arizona | 85259 | — |
| University of Kansas Cancer Center | Kansas City | Kansas | 66160 | — |
| Dana-Farber Cancer Institute | Boston | Massachusetts | 02215 | — |
| University of Michigan Rogel Cancer Center | Ann Arbor | Michigan | 48109 | — |
| Cleveland Clinic Foundation | Cleveland | Ohio | 44195 | — |
| M D Anderson Cancer Center | Houston | Texas | 77030 | — |
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 1 non-U.S. site.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT05223036, 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 13, 2026 · Synced May 20, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT05223036 live on ClinicalTrials.gov.