Study of OCA in Combination With BZF Evaluating Efficacy, Safety and Tolerability in Participants With PBC

September 24, 2025 updated by: Intercept Pharmaceuticals

A Phase 2a, Double-Blind, Randomized, Active Controlled, Parallel Group Study Evaluating the Efficacy, Safety, and Tolerability of Bezafibrate Administered in Combination With Obeticholic Acid in Subjects With Primary Biliary Cholangitis

Study to determine the effect of the investigational drug bezafibrate (BZF) alone and in combination with the investigational drug obeticholic acid (OCA) in participants with Primary Biliary Cholangitis (PBC).

Study Overview

Study Type

Interventional

Enrollment (Actual)

72

Phase

  • Phase 2

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

      • Buenos Aires, Argentina
        • Hospital Italiano de Buenos Aires
      • Pilar, Argentina
        • Hospital Universitario Austral
      • Rosario, Argentina
        • Hospital Provincial del Centenario
    • Buenos Aires
      • La Plata, Buenos Aires, Argentina
        • Hospital Italiano La Plata
      • Ramos Mejía, Buenos Aires, Argentina
        • DIM Clinical Privada
    • Alberta
      • Edmonton, Alberta, Canada, T6G 287
        • The Northern Alberta Clinical Trials and Research Centre
    • British Columbia
      • Vancouver, British Columbia, Canada, V6Z 2K5
        • Pacific Gastroenterology Associates
    • Quebec
      • Montreal, Quebec, Canada
        • University of Montreal
      • Bologna, Italy
        • Azienda Ospedaliero-Universitaria di Bologna Policlinico S. Orsola-Malpighi
    • Alabama
      • Birmingham, Alabama, United States, 35233
        • University of Alabama at Birmingham
    • California
      • Coronado, California, United States, 92118
        • Southern California Gastrointestinal (GI) and Liver Centers (SCLC) - Coronado
      • Mission Hills, California, United States, 91345
        • Facey Medical Group
    • Florida
      • Miami, Florida, United States, 33136
        • Schiff Center for Liver Diseases / University of Miami
      • Tampa, Florida, United States, 33606
        • Tampa General Medical Group
    • Georgia
      • Atlanta, Georgia, United States, 30309
        • Piedmont Atlanta Hospital
    • Illinois
      • Maywood, Illinois, United States, 60459
        • Loyola University Medical Center
    • Louisiana
      • New Orleans, Louisiana, United States, 70121
        • Ochsner Medical Center
    • Massachusetts
      • Boston, Massachusetts, United States, 02215
        • Beth Israel Deaconess Medical Center Harvard Liver Research Center
    • New York
      • New York, New York, United States, 10016-6402
        • NYU Langone Medical Center
    • North Carolina
      • Raleigh, North Carolina, United States, 27607
        • Wake Endoscopy Center
    • Ohio
      • Cleveland, Ohio, United States, 44106
        • University Hospitals Cleveland Medical Center
    • Tennessee
      • Cordova, Tennessee, United States, 38018
        • Gastro One
      • Johnson City, Tennessee, United States, 37604
        • Gastrointestinal Associates of Northeast Tennessee
    • Texas
      • Dallas, Texas, United States, 75203
        • Methodist Clinical Research Institute (CRI)
      • Houston, Texas, United States, 77030-2717
        • Houston Methodist Cancer Center
      • San Antonio, Texas, United States, 78215
        • American Research Corporation at The Texas Liver Institute

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

No

Description

Inclusion Criteria:

  • A definite or probable diagnosis of PBC
  • Qualifying ALP and/or bilirubin liver biochemistry values
  • Taking ursodeoxycholic acid (UDCA) for at least 12 months or no UDCA for 3 months before Day 1

Exclusion Criteria:

  • History or presence of other concomitant liver diseases
  • Presence of clinical complications of PBC
  • History or presence of decompensating events
  • Current or history of gallbladder disease
  • If female, known pregnancy, or has a positive urine pregnancy test (confirmed by a positive serum pregnancy test), or lactating
  • Treatment with commercially available OCA or participation in a previous study involving OCA, or other farnesoid X receptor (FXR) agonists, or peroxisome proliferator activated receptor (PPAR)-agonists within 3 months before Screening
  • Unable to tolerate BZF or other fibrates, treatment with commercially available fibrates, or participation in a previous study involving fibrate within 3 months before Screening.

Note: Other protocol defined Inclusion/Exclusion criteria may apply.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: Quadruple

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Active Comparator: Double Blind (DB) Phase Treatment A: BZF 100 milligrams (mg) Immediate Release (IR) tablet
Each Participant will take one OCA placebo tablet, one BZF 100 mg IR tablet and one BZF placebo tablet daily.
One tablet of obeticholic acid placebo tablet once daily
One tablet of bezafibrate placebo tablet once daily
One tablet of bezafibrate 100 mg IR once daily
Active Comparator: Double Blind (DB) Phase Treatment B: BZF 400 mg IR tablet
Each Participant will take one OCA placebo tablet and two BZF 200 mg IR tablets (to achieve 400 mg dose) daily.
One tablet of obeticholic acid placebo tablet once daily
Two tablets of bezafibrate 200 mg IR once daily for BZF 400 mg IR
Experimental: Double Blind (DB) Phase Treatment C: OCA 5 mg + BZF 100 mg IR
Each participant will take one OCA 5 mg tablet, one BZF 100 mg IR tablet and one BZF placebo tablet, daily.
One tablet of bezafibrate placebo tablet once daily
One tablet of bezafibrate 100 mg IR once daily
One tablet of obeticholic acid 5 mg tablet once daily.
Experimental: Double Blind (DB) Phase Treatment D: OCA 5 mg + BZF 400 mg IR
Each participant will take one OCA 5 mg tablet and two BZF 200 mg IR tablets (to achieve 400 mg dose) daily.
Two tablets of bezafibrate 200 mg IR once daily for BZF 400 mg IR
One tablet of obeticholic acid 5 mg tablet once daily.
Experimental: Long Term Safety Extension (LTSE) Phase Treatment D of the DB phase: OCA 5 mg + BZF 400 mg IR
Each participant will take one OCA 5 mg tablet and two BZF 200 mg IR tablets (to achieve 400 mg dose) daily.
Two tablets of bezafibrate 200 mg IR once daily for BZF 400 mg IR
One tablet of obeticholic acid 5 mg tablet once daily.

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Time Frame
Change in Alkaline Phosphatase (ALP) from Baseline to Week 12
Time Frame: Baseline, and at Weeks 2, 4, 6, 8, 10 and 12
Baseline, and at Weeks 2, 4, 6, 8, 10 and 12

Secondary Outcome Measures

Outcome Measure
Time Frame
Change from Baseline in response rates of ≥10 percent, ≥20 percent, ≥30 percent and ≥40 percent reduction and normalization rates of biochemical disease marker ALP
Time Frame: Baseline and at Weeks 2, 4, 6, 8, 10 and 12
Baseline and at Weeks 2, 4, 6, 8, 10 and 12
Number of participants with normalization rates of alanine aminotransferase (ALT), gamma-glutamyl transferase (GGT), alanine aminotransferase (AST), total and conjugated bilirubin and lipid panel
Time Frame: Baseline and at Weeks 2, 4, 6, 8, 10 and 12
Baseline and at Weeks 2, 4, 6, 8, 10 and 12
Change from Baseline in biochemical disease marker GGT
Time Frame: Baseline and at Weeks 2, 4, 6, 8, 10 and 12
Baseline and at Weeks 2, 4, 6, 8, 10 and 12
Change from Baseline in biochemical disease marker ALT
Time Frame: Baseline and at Weeks 2, 4, 6, 8, 10 and 12
Baseline and at Weeks 2, 4, 6, 8, 10 and 12
Change from Baseline in biochemical disease marker AST
Time Frame: Baseline and at Weeks 2, 4, 6, 8, 10 and 12
Baseline and at Weeks 2, 4, 6, 8, 10 and 12
Change from Baseline in biochemical disease markers, total & conjugated bilirubin
Time Frame: Baseline and at Weeks 2, 4, 6, 8, 10 and 12
Baseline and at Weeks 2, 4, 6, 8, 10 and 12
Change from Baseline in lipid panel
Time Frame: Baseline and at Weeks 2, 4, 6, 8, 10 and 12
Baseline and at Weeks 2, 4, 6, 8, 10 and 12
Change from Baseline of the plasma value of 7 alpha (α) hydroxy 4 cholesten-3 one (C4)
Time Frame: Baseline and at Weeks 2, 4, 6, 8, 10, and 12
Baseline and at Weeks 2, 4, 6, 8, 10, and 12
Change from Baseline of the plasma value of bile acids, in unit of nanograms per milliliter (ng/ml)
Time Frame: Baseline and at Weeks 2, 4, 6, 8, 10, and 12
Baseline and at Weeks 2, 4, 6, 8, 10, and 12

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Investigators

  • Study Director: Lynda Szczech, M.D., Intercept Pharmaceuticals, Inc

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

March 21, 2022

Primary Completion (Actual)

September 1, 2025

Study Completion (Actual)

September 1, 2025

Study Registration Dates

First Submitted

January 28, 2022

First Submitted That Met QC Criteria

February 11, 2022

First Posted (Actual)

February 15, 2022

Study Record Updates

Last Update Posted (Estimated)

September 25, 2025

Last Update Submitted That Met QC Criteria

September 24, 2025

Last Verified

September 1, 2025

More Information

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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