ClinicalTrials.gg
RecruitingNCT06051617AFFIRMUpdated Nov 2, 2026

Seladelpar in Subjects With Primary Biliary Cholangitis (PBC) and Compensated Cirrhosis

A Phase 3 interventional study of Seladelpar and Placebo in Primary Biliary Cholangitis, sponsored by Gilead Sciences. Recruiting at 218 sites in 29 countries. Open to participants aged 18 Years and older. Per ClinicalTrials.gov, last updated 2026-11-02.

Sponsored by Gilead Sciences · Phase 3, Interventional, and Treatment

From the registry’s dates

  • Started Sep 2023; still recruiting 3 years 2 months later.
Updated Nov 2, 2026Site recruiting status changed5 sites addedGo to Updates ↓
Phase
Phase 3
Study type
Interventional
Enrollment
402
Allocation
Randomized
Ages
18 Years and older
Sex
All
01

Study summary

The goal of this clinical study is to learn more about the study drug, seladelpar, and its effects on clinical outcomes in participants with primary biliary cholangitis (PBC) and compensated cirrhosis.

The primary objective of this study is to evaluate the effect of seladelpar compared to placebo on EFS. EFS is defined as the time from start of treatment to the first occurrence of any of the following adjudicated events up to Week 156.

02

Conditions studied

  • Primary Biliary Cholangitis

Keywords

  • Primary Biliary Cholangitis (PBC)
  • PBC
03

In context

Liver Cirrhosis, Biliary

214 studies on the registry are indexed under Liver Cirrhosis, Biliary; 48 are open to participants now.

This study's planned enrollment of 402 is above the median of 60 across 151 interventional studies indexed under Liver Cirrhosis, Biliary.

Browse Liver Cirrhosis, Biliary studies →

Lead sponsor

Gilead Sciences is the lead sponsor of 692 studies on the registry; 26 are open to participants now.

Of its 261 completed or terminated interventional studies of FDA-regulated products, 251 (96%) have results posted.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
18 Years and older
Sexes eligible
All
Accepts healthy volunteers
No

Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.

Inclusion criteria

Individuals must meet the following criteria to be eligible for study participation:

  1. Must be at least 18 years old.
  2. Must have a confirmed prior diagnosis of primary biliary cholangitis (PBC)
  3. Evidence of cirrhosis
  4. CP Score A or B
  5. Females of must use at least 1 barrier and a second effective birth control method during the study and for at least 90 days after the last dose. Male individuals who are sexually active with female partners of reproductive potential must use barrier contraception, and their female partners must use a second effective birth control method during the study and for at least 90 days after the last dose
  6. Individuals must be able to comply with the instructions for study drug administration and be able to complete the study schedule of assessments (SOA)

Exclusion criteria

Exclusion Criteria:

Individuals must not meet any of the following criteria to be eligible for study participation:

  1. Prior exposure to seladelpar
  2. A medical condition other than PBC that, in the Investigator's opinion, would preclude full participation in the study
  3. History of liver transplantation or actively listed for cadaveric or planned living donor transplant.
  4. Decompensated cirrhosis
  5. Evidence of portal vein thrombosis based on imaging at time of Screening by Doppler ultrasound or prior evidence by CT or MRI
  6. Hospitalization for liver-related complication within 12 weeks of Screening
  7. Laboratory parameters at Screening:

    1. Alkaline phosphatase (ALP) \< 1.5× (ULN) or ≥ 10×ULN
    2. (ALT) or Aspartate aminotransferase (AST) ≥5×ULN
    3. Total (TB) ≤ 0.6 × ULN or ≥ 5 × ULN
    4. count ≤50×10\^3/µL
    5. Albumin ≤2.8 g/dL
    6. Estimated (eGFR) \<45 mL/min/1.73 m\^2
    7. MELD score >12. For individuals on anticoagulation medication, baseline (INR) determination for MELD score calculation should take anticoagulant use into account, in consultation with the Medical Monitor.
    8. Serum alpha-fetoprotein (AFP) >20 ng/mL
    9. INR >1.7
  8. CP-C cirrhosis
  9. History or presence of other concomitant liver diseases
Terms in these criteria, in plain language(8)

Underlined terms in the criteria open these too. Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.

Reproductive potential

Able to have children. For women this usually means from the first period until menopause, unless permanently unable to through surgery; for men, unless permanently sterile. Read who the line is about — participants, women, men, or their partners.

Criteria about it usually ask for contraception during the study and for a time after it.

Contraception

Ways of preventing pregnancy. “Highly effective” methods fail less than 1% of the time a year when used correctly — for example an IUD or an implant.

Criteria usually say which methods count and how long to keep using them after the last dose, sometimes for male participants too. Some studies accept a partner’s vasectomy if it was confirmed successful and that person is the participant’s only sexual partner.

ULN (upper limit of normal)

The top of the normal range for a blood test, as set by the laboratory that runs it. Each lab prints its own range next to your result.

“≤ 2.5 × ULN” means the result can be up to two and a half times that top value.

ALT and AST (liver enzymes)

Two enzymes measured in a routine blood test of the liver. Higher levels can mean the liver is under strain or damaged. SGPT and SGOT are older names for ALT and AST.

Criteria usually give a limit as a multiple of the upper limit of normal (ULN), often higher when cancer has spread to the liver.

Bilirubin

A yellow substance made when red blood cells are broken down, which the liver clears. A high level can mean a problem with the liver or the bile ducts.

Criteria often allow more for people with Gilbert’s syndrome, a harmless inherited condition that raises bilirubin.

Platelets

Blood cells that help blood clot. Too few raises the risk of bleeding and bruising. A usual adult range is about 150–400 × 10⁹/L (150,000–400,000 per µL); each lab has its own reference range.

GFR and eGFR (kidney filtering)

GFR (glomerular filtration rate) is how much blood the kidneys filter each minute. It is usually estimated from a blood test — eGFR, by formulas such as CKD-EPI or MDRD — and some studies ask for it to be measured directly instead. Usually given in mL/min/1.73 m².

Check the method, the units and the minimum the study states. A value of 90 or above is in the normal-or-high range, but kidney damage can show in other tests too.

INR, PT and aPTT (clotting tests)

Blood tests of how long blood takes to clot. The INR is the prothrombin time (PT) put on a common scale; about 1 is usual for someone not taking a blood thinner.

Criteria often make an exception for people on a blood thinner such as warfarin, whose INR is raised on purpose.

05

Study design

Phase
Phase 3
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Parallel assignment
Masking
Double (Participant, Investigator)
Enrollment
402 participants (estimated)

Study arms

  • Experimental
    Seladelpar

    Participants with Child-Pugh (CP)-A cirrhosis will receive seladelpar 10 mg orally once daily or participants with CP-B cirrhosis will receive seladelpar 5 mg orally once daily, for up to 36 months.

    Drug: Seladelpar

  • Placebo comparator
    Placebo

    Participants with CP-A or CP-B will be randomized to received placebo to match one capsule daily for up to 36 months.

    Drug: Placebo

  • Experimental
    Open Label Extension Phase

    Participants with CP-A who remained on the study drug at week 156 will receive seladelpar 10 mg daily or participants with CP-B will received seladelpar 5 mg daily for a maximum of 3 years.

    Drug: Seladelpar

Interventions

  • Administered orally

    Also known as: Livdelzi®

  • DrugPlacebo

    Administered orally

06

What researchers measure

Primary outcomes

  1. Event Free Survival (EFS)

    EFS is defined as measured by the time from start of treatment to the first occurrence of any of the following clinical events: 1. Death by any cause 2. Liver transplantation 3. MELD score ≥15 4. Ascites requiring treatment 5. Hospitalization for any of the following 1. Esophageal or gastric variceal bleeding 2. Hepatic encephalopathy 3. Spontaneous bacterial peritonitis

    Time frame: 36 months

Secondary outcomes

  1. Overall Survival (OS)

    Time from start of treatment to death from any cause.

    Time frame: 36 months

  2. Liver Transplant-Free Survival (LTFS)

    Time from start of treatment to the first occurrence of liver-related death or liver transplantation.

    Time frame: 36 months

  3. Time to Hospitalization

    Time from start of treatment to the first occurrence of hospitalization for qualifying Primary biliary cholangitis (PBC) clinical events

    Time frame: 36 months

  4. Time to Each Type of Adjudicated PBC Clinical Event: Model for End-Stage Liver Disease (MELD) score ≥ 15

    Time frame: 36 months

  5. Time to Each Type of Adjudicated PBC Clinical Event: Ascites Requiring Treatment

    Time frame: 36 months

07

Study locations

215 of 218 sites recruiting

Showing the first 100 of 218 sites across 29 countries. Choose a country and city above to see the rest.

08

References and documents

Individual participant data

Plan to share: No

09

Timeline

2 registry updates since Sep 25, 2026
ElapsedEstimatedEstimated, not yet reached

Started Sep 2023 (actual). Primary completion is estimated for Aug 2030, 83 months after the start.

How these figures are worked out, and which studies are left out of them.

Registered
Sep 18, 2023
First posted
Sep 25, 2023
StartActual
Sep 7, 2023
Primary completionEst.
Aug 2030
CompletionEst.
Aug 2030
Last update
Nov 2, 2026
What these dates mean
Start.
When the first participant enrolled; while estimated, when the study expects to open to recruitment.
Primary completion.
When the last participant was examined or treated to collect data for the study's main question, its primary outcome. A study that stopped early gives the date its data collection stopped.
Completion.
When the last participant's last visit took place, for every outcome, secondary ones and side effects included: the end of the study. Often later than primary completion, sometimes the same day.
Actual and Est.
Actual means the registry says the date has happened. Est. (estimated) is a date the sponsor plans or expects. It can still move, and the sponsor is expected to change it to actual once it has passed.
Sites
5 sites added. 3 sites changed recruiting status (2 now withdrawn, 1 now completed)
Show 3 sites
  • Monash Health, Monash Medical Centre · Clayton, AustraliaRecruiting→Withdrawn
  • Clinica de Higado y Gastroenterologia Integral, S.C. · Cuernavaca, MexicoRecruiting→Completed
  • Universitätsspital Bern · Bern, SwitzerlandRecruiting→Withdrawn
Show 5 added (3 United States, 1 Argentina, 1 Portugal)
  • Kaiser Roseville · Roseville, United States
  • Medical College of Wisconsin - 8701 Watertown Plan · Milwaukee, United States
  • AES - AS - Clinica Mayo de Urgencias · San Miguel de Tucumán, Argentina
  • Hospital da Luz Lisboa · Lisbon, Portugal
  • The Oregon Clinic Gastroenterology East · Portland, United States
across 2 updates, Oct 6, 2026 – Nov 2, 2026
Show all 2 updates
  1. Nov 2, 2026
    1 site added. 3 sites changed recruiting status (2 now withdrawn, 1 now completed)
    Show 3 sites
    • Monash Health, Monash Medical Centre · Clayton, AustraliaRecruiting→Withdrawn
    • Clinica de Higado y Gastroenterologia Integral, S.C. · Cuernavaca, MexicoRecruiting→Completed
    • Universitätsspital Bern · Bern, SwitzerlandRecruiting→Withdrawn
    Show site
    • The Oregon Clinic Gastroenterology East · Portland, United States
  2. Oct 6, 2026
    4 sites added
    Show 4 added (2 United States, 1 Argentina, 1 Portugal)
    • Kaiser Roseville · Roseville, United States
    • Medical College of Wisconsin - 8701 Watertown Plan · Milwaukee, United States
    • AES - AS - Clinica Mayo de Urgencias · San Miguel de Tucumán, Argentina
    • Hospital da Luz Lisboa · Lisbon, Portugal
    + 1 other change: verification date

From the registry record's own update history. This site started tracking changes on Sep 25, 2026; for anything earlier, see the record history on ClinicalTrials.gov ↗

10

Registry details

Key details

Study ID
NCT06051617
Lead sponsor
Gilead Sciences
Responsible party
Sponsor
First posted
Sep 25, 2023
Start date
Sep 7, 2023
Primary completion
Aug 2030 (estimated)
Completion
Aug 2030 (estimated)
Last update
Nov 2, 2026

Study contacts

Gilead Clinical Study Information Center
Contact
GileadClinicalTrials@gilead.com
1-833-445-3230 (GILEAD-0)
Gilead Study Director
study director · Gilead Sciences

Oversight

Data monitoring committee
Yes
FDA-regulated drug
Yes
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

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Studies of the drug tested here: Seladelpar

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