Study Stopped
Following recommendation of the external Data Monitoring Committee, after it reviewed the results of a planned interim futility analysis.
Study of Cilofexor in Adults With Primary Sclerosing Cholangitis
PRIMIS
A Phase 3, Randomized, Double-Blind, Placebo-Controlled Study Evaluating the Safety, Tolerability, and Efficacy of Cilofexor in Non-Cirrhotic Subjects With Primary Sclerosing Cholangitis
3 other identifiers
interventional
419
15 countries
199
Brief Summary
The primary objective of this study is to evaluate whether cilofexor reduces the risk of fibrosis progression among non-cirrhotic adults with primary sclerosing cholangitis (PSC).
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P50-P75 for phase_3
Started Mar 2019
Typical duration for phase_3
199 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
March 25, 2019
CompletedFirst Posted
Study publicly available on registry
March 26, 2019
CompletedStudy Start
First participant enrolled
March 27, 2019
CompletedPrimary Completion
Last participant's last visit for primary outcome
November 10, 2022
CompletedStudy Completion
Last participant's last visit for all outcomes
December 23, 2022
CompletedResults Posted
Study results publicly available
November 29, 2023
CompletedNovember 29, 2023
November 1, 2023
3.6 years
March 25, 2019
November 6, 2023
November 6, 2023
Conditions
Outcome Measures
Primary Outcomes (1)
Percentage of Participants With Progression of Liver Fibrosis at Blinded Phase Week 96
Progression of liver fibrosis was defined as having a ≥ 1-stage increase from baseline in fibrosis according to the Ludwig classification at Blinded Phase Week 96. The stages of fibrosis was assessed according to Ludwig classification. Ludwig classification fibrosis stages range from 0 to 4, with higher scores indicating greater fibrosis (0=no fibrosis, 4=cirrhosis).
Blinded Phase Week 96
Secondary Outcomes (12)
Percentage of Participants Who Experienced Treatment-emergent Adverse Events (TEAEs) in The Blinded Phase
First dose date in the Blinded Phase up to 100.3 weeks plus 30 days
Percentage of Participants Who Experienced TEAEs in The OLE Phase
First dose date in the OLE Phase up to 45 weeks plus 30 days
Percentage of Participants Who Experienced Treatment-emergent Serious Adverse Events (SAEs) in the Blinded Phase
First dose date in the Blinded Phase up to 100.3 weeks plus 30 days
Percentage of Participants Who Experienced Treatment-emergent SAEs in the OLE Phase
First dose date in the OLE Phase up to 45 weeks plus 30 days
Change From Baseline in Serum Concentrations of Alkaline Phosphatase (ALP) at Blinded Phase Week 96
Baseline, Blinded Phase Week 96
- +7 more secondary outcomes
Study Arms (4)
Cilofexor 100 mg (Blinded Phase)
EXPERIMENTALParticipants received cilofexor 100 mg tablet, orally, once daily for up to 100.3 weeks.
Placebo (Blinded Phase)
PLACEBO COMPARATORParticipants received placebo to match cilofexor 100 mg tablet, orally, once daily for up to 98.1 weeks.
Cilofexor From Cilofexor 100 mg (OLE Phase)
EXPERIMENTALParticipants who received cilofexor in blinded phase and had entered the open-label extension (OLE) phase received open-label cilofexor 100 mg tablet, orally, once daily for up to 44.7 weeks.
Cilofexor From Placebo (OLE Phase)
EXPERIMENTALParticipants who received placebo in blinded phase and had entered the OLE phase received open-label cilofexor 100 mg tablet, orally, once daily for up to 45.0 weeks.
Interventions
Eligibility Criteria
You may qualify if:
- Diagnosis of large duct PSC
- Liver biopsy at screening that is deemed acceptable for interpretation and demonstrates stage F0 - F3 fibrosis in the opinion of the central reader
- Individual has the following laboratory parameters at the screening visit, as determined by the central laboratory:
- Platelet count ≥ 150,000/mm\^3
- Estimated glomerular filtration rate (eGFR) ≥ 30 milliliter/minute (mL/min), as calculated by the Cockcroft-Gault equation
- Alanine transaminase (ALT) ≤ 8 x upper limit of the normal range (ULN)
- Total bilirubin \< 2 mg/dL, unless the individual is known to have Gilbert's syndrome or hemolytic anemia
- International normalized ratio (INR) ≤ 1.4, unless due to therapeutic anticoagulation
- Negative anti-mitochondrial antibody
You may not qualify if:
- Current or prior history of any of the following:
- Cirrhosis
- Liver transplantation
- Cholangiocarcinoma or hepatocellular carcinoma (HCC)
- Ascending cholangitis within 30 days of screening
- Presence of a percutaneous drain or biliary stent
- Other causes of liver disease
- Current or prior history of unstable cardiovascular disease
- Current moderate to severe inflammatory bowel disease (IBD) (including ulcerative colitis, Crohn's disease, and indeterminate colitis)
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Gilead Scienceslead
Study Sites (201)
Institute For Liver Health
Glendale, Arizona, 85306, United States
The Institute for Liver Heath
Phoenix, Arizona, 85013, United States
Southern California Research Center
Coronado, California, 92118, United States
Altman Clinical and Translational Research Institute (Clinic)
La Jolla, California, 92037, United States
Scripps Clinic/Green Hospital
La Jolla, California, 92037, United States
Ruane Clinical Research Group Inc.
Los Angeles, California, 90036, United States
Stanford Hospital
Palo Alto, California, 94025, United States
California Liver Research Institute
Pasadena, California, 91105, United States
University of California, Davis Medical Center (study visits)
Sacramento, California, 95817, United States
Sutter Pacific Medical Foundation - California Pacific Medical Center
San Francisco, California, 94107, United States
University of California, San Francisco Liver Clinic
San Francisco, California, 94143, United States
Cedars Sinai Medical Center
West Hollywood, California, 90048, United States
University of Colorado Denver and Hospital
Aurora, Colorado, 80045, United States
Peak Gastroenterology Associates
Colorado Springs, Colorado, 80907, United States
South Denver Gastroenterology, PC
Englewood, Colorado, 80113, United States
Yale School of Medicine
New Haven, Connecticut, 48109, United States
MedStar Georgetown University Hospital
Washington D.C., District of Columbia, 20007, United States
Schiff Center for Liver Diseases/University of Miami
Miami, Florida, 33136, United States
Advanced Research Institute, Inc
New Port Richey, Florida, 34653, United States
Advanced Medical Research Center
Port Orange, Florida, 32127, United States
Cleveland Clinic Florida
Weston, Florida, 33331, United States
Piedmont Atlanta Hospital
Atlanta, Georgia, 30309, United States
Northwestern Memorial Hospital; Clinical Research Unit
Chicago, Illinois, 60611, United States
Rush University Medical Center
Chicago, Illinois, 60612, United States
University of Chicago Medical Center (outpatient clinic)
Chicago, Illinois, 60637, United States
NorthShore University Healthsystem
Evanston, Illinois, 60201, United States
IU Health University Hospital
Indianapolis, Indiana, 46202, United States
University of Kansas Hospital
Kansas City, Kansas, 66160, United States
Ochsner Clinic Foundation
New Orleans, Louisiana, 70121, United States
Louisiana Research Center, LLC
Shreveport, Louisiana, 71105, United States
Mercy Medical Center
Baltimore, Maryland, 21202, United States
Walter Reed National Military Medical Center
Bethesda, Maryland, 20889, United States
Massachusetts General Hospital
Boston, Massachusetts, 02114, United States
Beth Israel Deaconess Medical Center
Boston, Massachusetts, 02215, United States
NECCR PrimaCare Research, LLC
Fall River, Massachusetts, 02721, United States
Michigan Medicine - University of Michigan
Ann Arbor, Michigan, 48109, United States
Henry Ford Hospital
Detroit, Michigan, 48202, United States
Minnesota Gastroenterology, PA
Maplewood, Minnesota, 55117, United States
Mayo Clinic
Rochester, Minnesota, 55905, United States
Southern Therapy and Advanced Research LLC
Jackson, Mississippi, 39157, United States
Saint Louis University, Gastroenterology & Hepatology
St Louis, Missouri, 63104, United States
University of Nebraska Medical Center
Omaha, Nebraska, 68105, United States
Rutgers New Jersey Medical School - Doctors Office Center
Newark, New Jersey, 07103, United States
Northwell Health Center for Liver Diseases and Transplantation
Manhasset, New York, 11030, United States
NYU Langone Health
New York, New York, 10016, United States
Weill Cornell Medical College
New York, New York, 10021, United States
Icahn School of Medicine at Mount Sinai Beth Israel
New York, New York, 10029, United States
Mount Sinai Medical Center
New York, New York, 10029, United States
Center for Liver Disease and Transplantation, Columbia University Medical Center
New York, New York, 10032, United States
University of Rochester Medical Center
Rochester, New York, 14642, United States
Montefiore Medical Center
The Bronx, New York, 10467, United States
The University of NC at Chapel Hill, Clinical and Translational Research Center (CTRC)
Chapel Hill, North Carolina, 27599, United States
Carolinas Medical Center - Center for Liver Disease
Charlotte, North Carolina, 28204, United States
Duke University Medical Center
Durham, North Carolina, 27710, United States
Wake Forest Baptist Health
Winston-Salem, North Carolina, 27157, United States
Holmes Hospital
Cincinnati, Ohio, 45267, United States
Penn State Health Milton S. Hershey Medical Center
Hershey, Pennsylvania, 17033, United States
Thomas Jefferson University
Philadelphia, Pennsylvania, 19107, United States
Einstein Medical Center
Philadelphia, Pennsylvania, 19141, United States
Reading Hospital
West Reading, Pennsylvania, 19611, United States
University Gastroenterology
Providence, Rhode Island, 02905, United States
Medical University of South Carolina
Charleston, South Carolina, 28204, United States
Rapid City Medical Center, LLP
Rapid City, South Dakota, 57701, United States
Methodist University Hospital
Memphis, Tennessee, 38104, United States
Vanderbilt University Medical Center - Digestive Disease Center
Nashville, Tennessee, 37232, United States
Texas Clinical Research Institute
Arlington, Texas, 76012, United States
The Liver Institute at Methodist Dallas Medical Center
Dallas, Texas, 75203, United States
Annette & Harold C. Simmons Transplant Institute @ Baylor University Medical Center at Dallas
Dallas, Texas, 75246, United States
Baylor Scott & White Medical Center at Fort Worth
Fort Worth, Texas, 76104, United States
Baylor College of Medicine - Advanced Liver Therapies
Houston, Texas, 77030, United States
Spring Gastroenterology Associates
Humble, Texas, 77338, United States
San Antonio Military Medical Center, Gastro/Hepatology
San Antonio, Texas, 78234, United States
Intermountain Medical Center - Transplant Services
Murray, Utah, 84107, United States
University of Utah Hospital
Salt Lake City, Utah, 84132, United States
The University of Vermont Medical Center
Burlington, Vermont, 05401, United States
University of Virginia Medical Center
Charlottesville, Virginia, 22908, United States
Verity Research Inc.
Fairfax, Virginia, 22031, United States
Bon Secours Richmond Community Hospital
Richmond, Virginia, 23226, United States
Virginia Commonwealth University Clinical Research Services Unit
Richmond, Virginia, 23298, United States
Virginia Mason Medical Center
Seattle, Washington, 98101, United States
Harborview Medical Center
Seattle, Washington, 98104, United States
Liver Institute Northwest
Seattle, Washington, 98105, United States
Royal Prince Alfred Hospital
Camperdown, New South Wales, 2050, Australia
St. Vincent's Hospital Sydney
Darlinghurst, New South Wales, 2010, Australia
Nepean Hospital
Penrith, New South Wales, 2751, Australia
Westmead Hospital
Westmead, New South Wales, 2145, Australia
Coral Sea Clinical Research Institute - Mackay
Auchenflower, Queensland, 4066, Australia
Royal Brisbane and Women's Hospital
Herston, Queensland, 4029, Australia
Mater Misericordiae Ltd
South Brisbane, Queensland, 4101, Australia
Monash Health
Clayton, Victoria, 3168, Australia
Austin Health
Heidelberg, Victoria, 3084, Australia
The Alfred Hospital
Melbourne, Victoria, 3004, Australia
The Royal Melbourne Hospital
Parkville, Victoria, 3050, Australia
Sir Charles Gairdner Hospital
Nedlands, Western Australia, 6009, Australia
Royal Perth Hospital
Perth, Western Australia, 6000, Australia
Landeskrankenanstalten-Betriebsgesellscaft - KABEG, Klinikum Klagenfurt am Wörthersee
Klagenfurt, 9020, Austria
Allgemeines Krankenhaus Wien
Vienna, 1090, Austria
HĂ´pital Erasme - ULB
Brussels, 10070, Belgium
Universitair Ziekenhuis Antwerpen
Edegem, 2650, Belgium
Algemeen Ziekenhuis Maria Middelares
Ghent, 9000, Belgium
Universitair Ziekenhuis Gent
Ghent, 9000, Belgium
Universitair Ziekenhuis Leuven
Leuven, B-3000, Belgium
Centre Hospitalier Universitaire de Liège Site Sart Tilman
Liège, 4000, Belgium
William Osler Health System - Brampton Civic Hospital
Brampton, L6R 3J7, Canada
University of Calgary Liver Unit - Heritage Medical Research Clinic (HMRC)
Calgary, T2N 4Z6, Canada
University of Alberta Hospital - Walter C. Mackenzie Health Sciences Centre (WMC)
Edmonton, T6G 2X8, Canada
Queen Elizabeth II Health Sciences Centre, Nova Scotia Health Authority
Halifax, B3L 1E4, Canada
St. Joseph's Healthcare Hamilton
Hamilton, L8N 4A6, Canada
McMaster University Medical Center
Hamilton, L8S 4L8, Canada
Centre de Recherche du Centre Hospitalier de l'Université de Montréal (CRCHUM)
Montreal, H2X 3J4, Canada
Chronic Viral Illness Service/McGill University Health Centre (MUHC)
Montreal, H4A 3J1, Canada
Toronto General Hospital - Toronto Centre for Liver Disease (TCLD)
Toronto, M5G 2C4, Canada
Toronto Liver Centre
Toronto, M6H 3M1, Canada
Gordon and Leslie Diamond Health Care Centre, Vancouver General Hospital, UBC Division of Gastroenterology
Vancouver, V5Z 1M9, Canada
(G.I.R.I.) GI Research Institute
Vancouver, V6Z 2K5, Canada
University of Manitoba/Health Sciences Centre
Winnipeg, R3E 3P4, Canada
Aalborg University Hospital
Aalborg, 9000, Denmark
Copenhagen University Hospital - Hvidovre
København Ă˜, DK-2100, Denmark
Helsinki University Hospital, Endoscopy Unit, Gastroenterology Outpatient clinic, Meilahden tomisairaala
Helsinki, 00290, Finland
Turku University Hospital, Gastroenterology Outpatient Clinic
Turku, 20520, Finland
HĂ´pital Saint-Eloi
Montpellier, Herault, 34295, France
CHU Amiens-Picardie HĂ´pital Sud
Amiens, 80054, France
Centre Hospitalier Régional Universitaire de Lille - Hôpital Claude Huriez
CHRU Lille, 59000, France
HĂ´pital Henri Mondor
Créteil, 94010, France
CHU Grenoble Alpes
Grenoble, 38043, France
HĂ´pital Saint-Joseph
Marseille, 13008, France
Hopital Saint Antoine
Paris, 75571, France
CHU Bordeaux-Hopital Haut-Leveque
Pessac, 33604, France
Hopital Robert Debré - Centre Hospitalier Universitaire de Reims
Reims, 4025, France
CHU de Strasbourg - Nouvel HĂ´pital Civil
Strasbourg, 67091, France
CHU de Toulouse Hopital Ranguiel
Toulouse, 31059, France
CHU de Toulouse - Hopital Rangueil
Toulouse, 31300, France
Hopital Paul Brousse
Villejuif, 94800, France
GASTRO-Studien GbR
Berlin, 10825, Germany
Universitätsklinikum Essen
Essen, 45147, Germany
Universitätsklinikum Frankfurt
Frankfurt am Main, 60590, Germany
Medizinische Hochscule Hannover
Hanover, 30625, Germany
Universitätsklinik Heidelberg
Heidelberg, 69120, Germany
Universitätsklinikum des Saarlandes, Klinik fĂ¼r Innere Medizin II, Gastroenterologie und Hepatologie
Homburg, 66421, Germany
Gastroenterologisch-Hepatologisches Zentrum Kiel
Kiel, 24146, Germany
Universitätsklinikum Leipzig AöR
Leipzig, 04103, Germany
Universitatsmedizin der Johannes Gutenberg-Universitat Mainz
Mainz, 55131, Germany
Universitätsmedizin Mannheim, II. Medizinische Klinik
Mannheim, 68167, Germany
Emek Medical Center
Afula, 1834111, Israel
Rambam Health Care Campus
Haifa, 31096, Israel
Carmel Medical Center
Haifa, Israel
Shaare Zedek Medical Center
Jerusalem, 64239, Israel
Hadassah University Hospital Ein Kerem
Jerusalem, 91120, Israel
Rabin Medical Center
Petah Tikva, 49100, Israel
The Chaim Sheba Medical Center
Ramat Gan, 5265601, Israel
Tel Aviv Sourasky Medical Center
Tel Aviv, 62431, Israel
IRCCS Ospedale Sollievo della Sofferenza
San Giovanni Rotondo, Foggia, 71013, Italy
Dipartimento Gastroenterologico e dei Trapianti
Ancona, 60126, Italy
Azienda Ospedaliero Universitaria di Moderna, Ospedale di Baggiovara
Bologna, 40138, Italy
Ca'Granda Ospedale Maggiore Policlinico UOC Gastroenterologia ed Epatologia
Milan, 20122, Italy
Medicina Interna 1
Novara, 28100, Italy
Azienda Ospedale Universita Padova
Padua, 35128, Italy
Azienda Ospedaliera Universitaria Policlinico P. Giaccone
Palermo, 90127, Italy
Azienda Ospedaliero-Universitaria Pisana - UnitĂ Operativa Epatologia
Pisa, 56124, Italy
Fondazione Policlinico Universitario Agostino Gemelli
Rome, 00168, Italy
U.O.C. Gatroenterologia
Rozzano, 20089, Italy
Istituto Clinico Humanitas - Unita Operativa di Epatologia
Rozzano (Milan), 20089, Italy
Chiba University Hospital
Chiba, 260-8670, Japan
Hiroshima University Hospital
Hiroshima, 7348551, Japan
National Hospital Organization Nagasaki Medical Center
Nagasaki, 856-8562, Japan
Okayama University Hospital
Okayama, 7008558, Japan
National University Corporation Tohoku University Tohoku University Hospital
Sendai, 980-8574, Japan
Osaka University Hospital
Suita, 565-0871, Japan
Juntendo University Hospital
Tokyo, 113-8431, Japan
Teikyo University Hospital
Tokyo, 173-8606, Japan
Ehime University Hospital
Toon-Shi, 791-0295, Japan
Yamagata University Hospital
Yamagata, 9909585, Japan
Auckland City Hospital
Auckland, 92103, New Zealand
Christchurch Hospital
Christchurch, 8011, New Zealand
Waikato Hospital
Hamilton, 2001, New Zealand
Hospital General Universitario de Alicante
Alicante, 3010, Spain
Hospital Universitari Vall d'Hebron
Barcelona, 08035, Spain
Hospital Universitario de la Princesa
Madrid, 28006, Spain
Hospital Universitario Ramon y cajal
Madrid, 28034, Spain
Hospital Universitario La Paz
Madrid, 28046, Spain
Hospital Universitario Puerta de Hierro Majadahonda
Majadahonda, 28220, Spain
Complejo Hospitalario de Pontevedra
Pontevedra, 36071, Spain
Hospital Clinico Universitario Santiago de Compostela
Santiago de Compostela, 15706, Spain
Hospital General Universitario de Valencia
Valencia, 46010, Spain
Hospital Universitari Politecnic La Fe de Valencia
Valencia, 46026, Spain
Hospital Universitario Miguel Servet
Zaragoza, 50009, Spain
Universitatsspital Bern
Bern, 3010, Switzerland
Epatocentro Ticino SA
Lugano, 6900, Switzerland
Universitatsspital Zurich
Zurich, 8091, Switzerland
University Hospital Birmingham NHS Foundation Trust
Birmingham, B15 2TT, United Kingdom
Cambridge University Hospitals NHS Foundation Trust
Cambridge, CB2 0QQ, United Kingdom
NHS Greater Glasgow and Clyde
Glasgow, G4 0SF, United Kingdom
The Leeds Teaching Hospitals NHS Trust
Leeds, United Kingdom
Aintree University Hospitals NHS Foundation Trust
Liverpool, L9 7AL, United Kingdom
Barts Health NHS Trust
London, E1 1BB, United Kingdom
Royal Free London NHS Foundation Trust
London, NW3 2QG, United Kingdom
King's College Hospital NHS Foundation Trust
London, SE5 9NT, United Kingdom
Chelsea and Westminster Hospital NHS Foundation Trust
London, SW10 9NH, United Kingdom
Nottingham University Hospitals NHS Trust
Nottingham, NG7 2UH, United Kingdom
Oxford University Hospitals NHS Foundation Trust
Oxford, OX3 9DU, United Kingdom
Portsmouth Hospitals NHS Trust
Portsmouth, PO6 3LY, United Kingdom
Related Publications (3)
Trauner M, Chung C, Sterling K, Liu X, Lu X, Xu J, Tempany-Afdhal C, Goodman ZD, Farkkila M, Tanaka A, Trivedi P, Kowdley KV, Bowlus CL, Levy C, Myers RP. PRIMIS: design of a pivotal, randomized, phase 3 study evaluating the safety and efficacy of the nonsteroidal farnesoid X receptor agonist cilofexor in noncirrhotic patients with primary sclerosing cholangitis. BMC Gastroenterol. 2023 Mar 15;23(1):75. doi: 10.1186/s12876-023-02653-2.
PMID: 36922785BACKGROUNDTrauner M, Levy C, Tanaka A, Goodman Z, Thorburn D, et al. A Phase 3 Randomized, Double-blind, Placebo-controlled Study Evaluation the Efficacy and Safety of Cilofexor in Patients With Non-cirrhotic Patients With Primary Sclerosing Cholangitis. J Hepatol. 2023 June;78(S1):S12-S13.
BACKGROUNDTrauner M, Levy C, Tanaka A, Goodman Z, Thorburn D, Joshi D, Salminen K, Yimam K, Isayama H, Montano-Loza AJ, Caldwell S, Danta M, Farkkila M, Gallegos-Orozco JF, Gordon SC, Hinrichsen H, Invernizzi P, Vuppalanchi R, Zhu K, Xu J, Liu X, Lu X, Crans G, Bolbolan S, Boyette L, Alani M, Barchuk WT, Watkins TR, Genovese MC, Bowlus CL. Cilofexor in non-cirrhotic primary sclerosing cholangitis (PRIMIS): a randomised, double-blind, multicentre, placebo-controlled, phase 3 trial. Lancet Gastroenterol Hepatol. 2026 Jan;11(1):46-58. doi: 10.1016/S2468-1253(25)00208-0. Epub 2025 Oct 28.
PMID: 41173015DERIVED
Related Links
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Results Point of Contact
- Title
- Gilead Clinical Study Information Center
- Organization
- Gilead Sciences
Study Officials
- STUDY DIRECTOR
Gilead Study Director
Gilead Sciences
Publication Agreements
- PI is Sponsor Employee
- No
- Restriction Type
- OTHER
- Restrictive Agreement
- Yes
Study Design
- Study Type
- interventional
- Phase
- phase 3
- Allocation
- RANDOMIZED
- Masking
- DOUBLE
- Who Masked
- PARTICIPANT, INVESTIGATOR
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
March 25, 2019
First Posted
March 26, 2019
Study Start
March 27, 2019
Primary Completion
November 10, 2022
Study Completion
December 23, 2022
Last Updated
November 29, 2023
Results First Posted
November 29, 2023
Record last verified: 2023-11
Data Sharing
- IPD Sharing
- Will not share