Primary Sclerosing CholangitisPhase 3PRIMISNCT03890120
Study of Cilofexor in Adults With Primary Sclerosing Cholangitis
A Phase 3 study testing Cilofexor in people with Primary Sclerosing Cholangitis, run by Gilead Sciences at 201 sites in 16 countries.
Trial 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). Read more about this study
- Who is it for?
- Ages 18 to 75 years
- Conditions the study is for
- Primary Sclerosing Cholangitis
- What is being tested?
- Cilofexor
- Type of treatment
- Pill or oral medicine
- Could I receive a placebo?
- Yes, some participants may receive a placebo
- How many people
- 419 participants
- Where
- 201 sitesin 16 countries
- Study dates
- 27 Mar 2019to 23 Dec 2022
- Phase
- Phase 3
- Are there results?
- Yes, posted in the registrySummary in the doctors' view
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 18 to 75 years
- All sexes
- No healthy volunteers
- Adult, Older adult
Who may be able to join
- 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)
Show all 9Show fewer
- 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
Who cannot join
- 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
Show all 10Show fewer
- 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)
- Note: Other protocol defined Inclusion/Exclusion criteria may apply
Trial locations and contacts
201 sites in 16 countries.
201 sites in 16 countries
United States82 sites
Michigan Medicine - University of Michigan
Ann Arbor, Michigan, 48109
Texas Clinical Research Institute
Arlington, Texas, 76012
Piedmont Atlanta Hospital
Atlanta, Georgia, 30309
University of Colorado Denver and Hospital
Aurora, Colorado, 80045
Mercy Medical Center
Baltimore, Maryland, 21202
Walter Reed National Military Medical Center
Bethesda, Maryland, 20889
Massachusetts General Hospital
Boston, Massachusetts, 02114
Beth Israel Deaconess Medical Center
Boston, Massachusetts, 02215
The University of Vermont Medical Center
Burlington, Vermont, 05401
The University of NC at Chapel Hill, Clinical and Translational Research Center (CTRC)
Chapel Hill, North Carolina, 27599
Medical University of South Carolina
Charleston, South Carolina, 28204
Carolinas Medical Center - Center for Liver Disease
Charlotte, North Carolina, 28204
University of Virginia Medical Center
Charlottesville, Virginia, 22908
Northwestern Memorial Hospital; Clinical Research Unit
Chicago, Illinois, 60611
Rush University Medical Center
Chicago, Illinois, 60612
University of Chicago Medical Center (outpatient clinic)
Chicago, Illinois, 60637
Holmes Hospital
Cincinnati, Ohio, 45267
Peak Gastroenterology Associates
Colorado Springs, Colorado, 80907
Southern California Research Center
Coronado, California, 92118
The Liver Institute at Methodist Dallas Medical Center
Dallas, Texas, 75203
Annette & Harold C. Simmons Transplant Institute @ Baylor University Medical Center at Dallas
Dallas, Texas, 75246
Henry Ford Hospital
Detroit, Michigan, 48202
Duke University Medical Center
Durham, North Carolina, 27710
South Denver Gastroenterology, PC
Englewood, Colorado, 80113
NorthShore University Healthsystem
Evanston, Illinois, 60201
Verity Research Inc.
Fairfax, Virginia, 22031
NECCR PrimaCare Research, LLC
Fall River, Massachusetts, 02721
Baylor Scott & White Medical Center at Fort Worth
Fort Worth, Texas, 76104
Institute For Liver Health
Glendale, Arizona, 85306
Penn State Health Milton S. Hershey Medical Center
Hershey, Pennsylvania, 17033
Baylor College of Medicine - Advanced Liver Therapies
Houston, Texas, 77030
Spring Gastroenterology Associates
Humble, Texas, 77338
IU Health University Hospital
Indianapolis, Indiana, 46202
Southern Therapy and Advanced Research LLC
Jackson, Mississippi, 39157
University of Kansas Hospital
Kansas City, Kansas, 66160
Altman Clinical and Translational Research Institute (Clinic)
La Jolla, California, 92037
Scripps Clinic/Green Hospital
La Jolla, California, 92037
Ruane Clinical Research Group Inc.
Los Angeles, California, 90036
Northwell Health Center for Liver Diseases and Transplantation
Manhasset, New York, 11030
Minnesota Gastroenterology, PA
Maplewood, Minnesota, 55117
Methodist University Hospital
Memphis, Tennessee, 38104
Schiff Center for Liver Diseases/University of Miami
Miami, Florida, 33136
Intermountain Medical Center - Transplant Services
Murray, Utah, 84107
Vanderbilt University Medical Center - Digestive Disease Center
Nashville, Tennessee, 37232
Yale School of Medicine
New Haven, Connecticut, 48109
Ochsner Clinic Foundation
New Orleans, Louisiana, 70121
Advanced Research Institute, Inc
New Port Richey, Florida, 34653
NYU Langone Health
New York, New York, 10016
Weill Cornell Medical College
New York, New York, 10021
Icahn School of Medicine at Mount Sinai Beth Israel
New York, New York, 10029
Mount Sinai Medical Center
New York, New York, 10029
Center for Liver Disease and Transplantation, Columbia University Medical Center
New York, New York, 10032
Rutgers New Jersey Medical School - Doctors Office Center
Newark, New Jersey, 07103
University of Nebraska Medical Center
Omaha, Nebraska, 68105
Stanford Hospital
Palo Alto, California, 94025
California Liver Research Institute
Pasadena, California, 91105
Thomas Jefferson University
Philadelphia, Pennsylvania, 19107
Einstein Medical Center
Philadelphia, Pennsylvania, 19141
The Institute for Liver Heath
Phoenix, Arizona, 85013
Advanced Medical Research Center
Port Orange, Florida, 32127
University Gastroenterology
Providence, Rhode Island, 02905
Rapid City Medical Center, LLP
Rapid City, South Dakota, 57701
Bon Secours Richmond Community Hospital
Richmond, Virginia, 23226
Virginia Commonwealth University Clinical Research Services Unit
Richmond, Virginia, 23298
Mayo Clinic
Rochester, Minnesota, 55905
University of Rochester Medical Center
Rochester, New York, 14642
University of California, Davis Medical Center (study visits)
Sacramento, California, 95817
University of Utah Hospital
Salt Lake City, Utah, 84132
San Antonio Military Medical Center, Gastro/Hepatology
San Antonio, Texas, 78234
Sutter Pacific Medical Foundation - California Pacific Medical Center
San Francisco, California, 94107
University of California, San Francisco Liver Clinic
San Francisco, California, 94143
Virginia Mason Medical Center
Seattle, Washington, 98101
Harborview Medical Center
Seattle, Washington, 98104
Liver Institute Northwest
Seattle, Washington, 98105
Louisiana Research Center, LLC
Shreveport, Louisiana, 71105
Saint Louis University, Gastroenterology & Hepatology
St Louis, Missouri, 63104
Montefiore Medical Center
The Bronx, New York, 10467
MedStar Georgetown University Hospital
Washington D.C., District of Columbia, 20007
Cedars Sinai Medical Center
West Hollywood, California, 90048
Reading Hospital
West Reading, Pennsylvania, 19611
Cleveland Clinic Florida
Weston, Florida, 33331
Wake Forest Baptist Health
Winston-Salem, North Carolina, 27157
Australia13 sites
Coral Sea Clinical Research Institute - Mackay
Auchenflower, Queensland, 4066
Royal Prince Alfred Hospital
Camperdown, New South Wales, 2050
Monash Health
Clayton, Victoria, 3168
St. Vincent's Hospital Sydney
Darlinghurst, New South Wales, 2010
Austin Health
Heidelberg, Victoria, 3084
Royal Brisbane and Women's Hospital
Herston, Queensland, 4029
The Alfred Hospital
Melbourne, Victoria, 3004
Sir Charles Gairdner Hospital
Nedlands, Western Australia, 6009
The Royal Melbourne Hospital
Parkville, Victoria, 3050
Nepean Hospital
Penrith, New South Wales, 2751
Royal Perth Hospital
Perth, Western Australia, 6000
Mater Misericordiae Ltd
South Brisbane, Queensland, 4101
Westmead Hospital
Westmead, New South Wales, 2145
Canada13 sites
William Osler Health System - Brampton Civic Hospital
Brampton, L6R 3J7
University of Calgary Liver Unit - Heritage Medical Research Clinic (HMRC)
Calgary, T2N 4Z6
University of Alberta Hospital - Walter C. Mackenzie Health Sciences Centre (WMC)
Edmonton, T6G 2X8
Queen Elizabeth II Health Sciences Centre, Nova Scotia Health Authority
Halifax, B3L 1E4
St. Joseph's Healthcare Hamilton
Hamilton, L8N 4A6
McMaster University Medical Center
Hamilton, L8S 4L8
Centre de Recherche du Centre Hospitalier de l'Université de Montréal (CRCHUM)
Montreal, H2X 3J4
Chronic Viral Illness Service/McGill University Health Centre (MUHC)
Montreal, H4A 3J1
Toronto General Hospital - Toronto Centre for Liver Disease (TCLD)
Toronto, M5G 2C4
Toronto Liver Centre
Toronto, M6H 3M1
Gordon and Leslie Diamond Health Care Centre, Vancouver General Hospital, UBC Division of Gastroenterology
Vancouver, V5Z 1M9
(G.I.R.I.) GI Research Institute
Vancouver, V6Z 2K5
University of Manitoba/Health Sciences Centre
Winnipeg, R3E 3P4
France13 sites
CHU Amiens-Picardie Hôpital Sud
Amiens, 80054
Centre Hospitalier Régional Universitaire de Lille - Hôpital Claude Huriez
CHRU Lille, 59000
Hôpital Henri Mondor
Créteil, 94010
CHU Grenoble Alpes
Grenoble, 38043
Hôpital Saint-Joseph
Marseille, 13008
Hôpital Saint-Eloi
Montpellier, Herault, 34295
Hopital Saint Antoine
Paris, 75571
CHU Bordeaux-Hopital Haut-Leveque
Pessac, 33604
Hopital Robert Debré - Centre Hospitalier Universitaire de Reims
Reims, 4025
CHU de Strasbourg - Nouvel Hôpital Civil
Strasbourg, 67091
CHU de Toulouse Hopital Ranguiel
Toulouse, 31059
CHU de Toulouse - Hopital Rangueil
Toulouse, 31300
Hopital Paul Brousse
Villejuif, 94800
United Kingdom12 sites
University Hospital Birmingham NHS Foundation Trust
Birmingham, B15 2TT
Cambridge University Hospitals NHS Foundation Trust
Cambridge, CB2 0QQ
NHS Greater Glasgow and Clyde
Glasgow, G4 0SF
The Leeds Teaching Hospitals NHS Trust
Leeds
Aintree University Hospitals NHS Foundation Trust
Liverpool, L9 7AL
Barts Health NHS Trust
London, E1 1BB
Royal Free London NHS Foundation Trust
London, NW3 2QG
King's College Hospital NHS Foundation Trust
London, SE5 9NT
Chelsea and Westminster Hospital NHS Foundation Trust
London, SW10 9NH
Nottingham University Hospitals NHS Trust
Nottingham, NG7 2UH
Oxford University Hospitals NHS Foundation Trust
Oxford, OX3 9DU
Portsmouth Hospitals NHS Trust
Portsmouth, PO6 3LY
Italy11 sites
Dipartimento Gastroenterologico e dei Trapianti
Ancona, 60126
Azienda Ospedaliero Universitaria di Moderna, Ospedale di Baggiovara
Bologna, 40138
Ca'Granda Ospedale Maggiore Policlinico UOC Gastroenterologia ed Epatologia
Milan, 20122
Medicina Interna 1
Novara, 28100
Azienda Ospedale Universita Padova
Padova, 35128
Azienda Ospedaliera Universitaria Policlinico P. Giaccone
Palermo, 90127
Azienda Ospedaliero-Universitaria Pisana - Unità Operativa Epatologia
Pisa, 56124
Fondazione Policlinico Universitario Agostino Gemelli
Rome, 00168
U.O.C. Gatroenterologia
Rozzano, 20089
Istituto Clinico Humanitas - Unita Operativa di Epatologia
Rozzano (Milan), 20089
IRCCS Ospedale Sollievo della Sofferenza
San Giovanni Rotondo, Foggia, 71013
Spain11 sites
Hospital General Universitario de Alicante
Alicante, 3010
Hospital Universitari Vall d'Hebron
Barcelona, 08035
Hospital Universitario de la Princesa
Madrid, 28006
Hospital Universitario Ramon y cajal
Madrid, 28034
Hospital Universitario La Paz
Madrid, 28046
Hospital Universitario Puerta de Hierro Majadahonda
Majadahonda, 28220
Complejo Hospitalario de Pontevedra
Pontevedra, 36071
Hospital Clinico Universitario Santiago de Compostela
Santiago de Compostela, 15706
Hospital General Universitario de Valencia
Valencia, 46010
Hospital Universitari Politecnic La Fe de Valencia
Valencia, 46026
Hospital Universitario Miguel Servet
Zaragoza, 50009
Germany10 sites
GASTRO-Studien GbR
Berlin, 10825
Universitätsklinikum Essen
Essen, 45147
Universitätsklinikum Frankfurt
Frankfurt am Main, 60590
Medizinische Hochscule Hannover
Hanover, 30625
Universitätsklinik Heidelberg
Heidelberg, 69120
Universitätsklinikum des Saarlandes, Klinik für Innere Medizin II, Gastroenterologie und Hepatologie
Homburg, 66421
Gastroenterologisch-Hepatologisches Zentrum Kiel
Kiel, 24146
Universitätsklinikum Leipzig AöR
Leipzig, 04103
Universitatsmedizin der Johannes Gutenberg-Universitat Mainz
Mainz, 55131
Universitätsmedizin Mannheim, II. Medizinische Klinik
Mannheim, 68167
Japan10 sites
Chiba University Hospital
Chiba, 260-8670
Hiroshima University Hospital
Hiroshima, 7348551
National Hospital Organization Nagasaki Medical Center
Nagasaki, 856-8562
Okayama University Hospital
Okayama, 7008558
National University Corporation Tohoku University Tohoku University Hospital
Sendai, 980-8574
Osaka University Hospital
Suita, 565-0871
Juntendo University Hospital
Tokyo, 113-8431
Teikyo University Hospital
Tokyo, 173-8606
Ehime University Hospital
Toon-Shi, 791-0295
Yamagata University Hospital
Yamagata, 9909585
Israel8 sites
Emek Medical Center
Afula, 1834111
Rambam Health Care Campus
Haifa, 31096
Carmel Medical Center
Haifa
Shaare Zedek Medical Center
Jerusalem, 64239
Hadassah University Hospital Ein Kerem
Jerusalem, 91120
Rabin Medical Center
Petah Tikva, 49100
The Chaim Sheba Medical Center
Ramat Gan, 5265601
Tel Aviv Sourasky Medical Center
Tel Aviv, 62431
Belgium6 sites
Hôpital Erasme - ULB
Brussels, 10070
Universitair Ziekenhuis Antwerpen
Edegem, 2650
Algemeen Ziekenhuis Maria Middelares
Ghent, 9000
Universitair Ziekenhuis Gent
Ghent, 9000
Universitair Ziekenhuis Leuven
Leuven, B-3000
Centre Hospitalier Universitaire de Liège Site Sart Tilman
Liège, 4000
New Zealand3 sites
Auckland City Hospital
Auckland, 92103
Christchurch Hospital
Christchurch, 8011
Waikato Hospital
Hamilton, 2001
Switzerland3 sites
Universitatsspital Bern
Bern, 3010
Epatocentro Ticino SA
Lugano, 6900
Universitatsspital Zurich
Zurich, 8091
Austria2 sites
Landeskrankenanstalten-Betriebsgesellscaft - KABEG, Klinikum Klagenfurt am Wörthersee
Klagenfurt, 9020
Allgemeines Krankenhaus Wien
Vienna, 1090
Denmark2 sites
Aalborg University Hospital
Aalborg, 9000
Copenhagen University Hospital - Hvidovre
København Ø, DK-2100
Finland2 sites
Helsinki University Hospital, Endoscopy Unit, Gastroenterology Outpatient clinic, Meilahden tomisairaala
Helsinki, 00290
Turku University Hospital, Gastroenterology Outpatient Clinic
Turku, 20520
About this study
Official title: 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
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).
- Conditions
- Primary Sclerosing Cholangitis
- Being tested
- Cilofexor, Placebo
- Medical subject headings
- Cholangitis, Sclerosing
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
CilofexorDrug
Also called GS-9674
100 mg tablet administered orally once daily
PlaceboDrug
Tablet administered orally once daily
| Study group | Role | What they receive |
|---|---|---|
| Cilofexor 100 mg (Blinded Phase) | Experimental | Participants received cilofexor 100 mg tablet, orally, once daily for up to 100.3 weeks. Receives: Drug: Cilofexor |
| Placebo (Blinded Phase) | Placebo comparator | Participants received placebo to match cilofexor 100 mg tablet, orally, once daily for up to 98.1 weeks. Receives: Drug: Placebo |
| Cilofexor From Cilofexor 100 mg (OLE Phase) | Experimental | Participants 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. Receives: Drug: Cilofexor |
| Cilofexor From Placebo (OLE Phase) | Experimental | Participants 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. Receives: Drug: Cilofexor |
What is being measured
The primary outcome is the main question the study is designed to answer.
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).
Measured: Blinded Phase Week 96
Secondary outcomes (12)
Percentage of Participants Who Experienced Treatment-emergent Adverse Events (TEAEs) in The Blinded Phase
An AE was any untoward medical occurrence in a clinical study participant administered a study drug that does not necessarily have a causal relationship with the treatment. An AE can therefore be any unfavorable and/or unintended sign, symptom, or disease temporally associated with the use of a study drug, whether or not the AE is considered related to the study drug. For Blinded Study Phase and OLE Phase, TEAEs were defined as 1 or both of the following: Any AEs with an onset date on or after the study drug start date and no later than 30 days after permanent discontinuation of study drug and/or any AEs leading to premature discontinuation of study drug.
Measured: 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
An AE was any untoward medical occurrence in a clinical study participant administered a study drug that does not necessarily have a causal relationship with the treatment. An AE can therefore be any unfavorable and/or unintended sign, symptom, or disease temporally associated with the use of a study drug, whether or not the AE is considered related to the study drug. For Blinded Study Phase and OLE Phase, TEAEs were defined as 1 or both of the following: Any AEs with an onset date on or after the study drug start date and no later than 30 days after permanent discontinuation of study drug and/or any AEs leading to premature discontinuation of study drug.
Measured: 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
An SAE was defined as an event that, at any dose, results in the following: death, a life-threatening situation; in-patient hospitalization or prolongation of existing hospitalization, persistent or significant disability/incapacity, a congenital anomaly/birth defect or a medically important event or reaction.
Measured: 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
An SAE was defined as an event that, at any dose, results in the following: death, a life-threatening situation; in-patient hospitalization or prolongation of existing hospitalization, persistent or significant disability/incapacity, a congenital anomaly/birth defect or a medically important event or reaction.
Measured: 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
Measured: Baseline, Blinded Phase Week 96
Change From Baseline in Serum Concentrations of Alanine Aminotransferase (ALT) at Blinded Phase Week 96
Measured: Baseline, Blinded Phase Week 96
Change From Baseline in Serum Concentrations of Fasting Total Bile Acids at Blinded Phase Week 96
Measured: Baseline, Blinded Phase Week 96
Percentage of Participants With ≥ 25% Relative Reduction in Serum ALP Concentration From Baseline and No Worsening of 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).The percentage of participants with ≥ 25% reduction in serum ALP Concentration from baseline and no increase in fibrosis according to the Ludwig Classification at Blinded Phase Week 96 was analyzed.
Measured: Baseline, Blinded Phase Week 96
Percentage of Participants With Fibrosis Improvement According to the Ludwig Classification at Blinded Phase Week 96
Fibrosis improvement was defined as having ≥ 1-stage decrease from baseline in fibrosis according to the Ludwig classification score at Blinded Study 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).
Measured: Blinded Phase Week 96
Change From Baseline in Primary Sclerosing Cholangitis (PSC) Symptoms - Module 1 Based on Disease-specific Patient Reported Outcome (PSC-PRO) at Blinded Phase Week 96
The PSC-PRO addressed the severity of common everyday symptoms of PSC (eg, pruritus, fatigue, and right upper quadrant abdominal discomfort); and their functional impact (eg, on physical function, activities of daily living, and work productivity, etc). PSC-PRO module 1 - PSC symptoms contains a total of 12 questions asking about the severity of specific PSC symptoms on a scale of 0 (no symptoms) to 10 (symptoms as bad as you could imagine) with a 24-hour recall period. The total score, which is computed as 12 times the average of nonmissing scores of the 12 questions, can potentially range between 0 and 120, with higher scores indicating more severe symptoms. A positive change from baseline indicates worsening of symptoms.
Measured: Baseline, Blinded Phase Week 96
Change From Baseline in Enhanced Liver Fibrosis (ELF™ ) Test Score at Blinded Phase Week 96
The Enhanced Liver Fibrosis (ELF™) test is a composite of three serum biomarkers of hepatobiliary fibrosis: hyaluronic acid, procollagen III amino-terminal peptide, and tissue inhibitor of metalloproteinase. A typical range for ELF™ test scores in PSC is between 6 and 14. Higher ELF™ test scores are associated with more severe liver disease. A positive change from baseline indicated worsening of fibrosis.
Measured: Baseline, Blinded Phase Week 96
Change From Baseline in Liver Stiffness by FibroScan® at Blinded Phase Week 96
Change in liver stiffness was measured by FibroScan® scores. FibroScan measures liver scarring by measuring the stiffness of the liver. It's normally between 2 and 6 kPa. Many people with liver disease(s) have a result that's higher than the normal range. Higher scores indicate increased scarring of the liver. A positive change from baseline indicates severe liver disease(s).
Measured: Baseline, Blinded Phase Week 96
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted26 Mar 2019
- Study start27 Mar 2019
- Primary completion10 Nov 2022
- Study completion23 Dec 2022
Why it stopped: Following recommendation of the external Data Monitoring Committee, after it reviewed the results of a planned interim futility analysis.
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Posted resultsParticipant flow, outcome measures and adverse events reported by the sponsor.
- Publications (3)Papers the sponsor has linked to this study.
- Other trials for Primary Sclerosing CholangitisStudies of the same condition, open and under way.
- More trials run by Gilead SciencesThe sponsor's other registered studies.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Interventional
- Phase
- Phase 3
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Double blind
- Who is masked
- Participant, Investigator
- Enrolment
- 419 participants (actual)
Sponsor and investigators
- Lead sponsor
- Gilead Sciences
- Sponsor type
- Industry (pharma, biotech, devices)
- Responsible party
- Sponsor
- Investigators
- Gilead Study Director, Study director, Gilead Sciences
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT03890120
- Sponsor's protocol ID
- GS-US-428-4194
- Other IDs
- 2019-000204-14, jRCT2080224728, 2019
- Acronym
- PRIMIS
- Status last verified
- Nov 2023
- First submitted
- 25 Mar 2019
- Last updated
- 29 Nov 2023
- Results posted
- Yes, on ClinicalTrials.gov
- Data monitoring committee
- Yes
- FDA-regulated drug
- Yes
- FDA-regulated device
- No
- Individual data sharing
- No
Publications
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.
PubMed 36922785Trauner 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.
Trauner 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.
PubMed 41173015
Study at a glance
From the registry record, last updated by the sponsor on 29 Nov 2023. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- 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
- ClinicalTrials.gov ID
- NCT03890120
- Acronym / sponsor ID
- PRIMIS / GS-US-428-4194
- Conditions
- Primary Sclerosing Cholangitis
- Phase
- Phase 3
- Study type
- Interventional
- Recruitment status
- TerminatedReason stopped: Following recommendation of the external Data Monitoring Committee, after it reviewed the results of a planned interim futility analysis.
- Enrolment
- 419 participants (actual)
- Lead sponsor
- Gilead SciencesIndustry (pharma, biotech, devices)
- Study start
- 27 Mar 2019 (actual)
- Primary completion
- 10 Nov 2022 (actual)
- Study completion
- 23 Dec 2022 (actual)
- First posted
- 26 Mar 2019 (actual)
- Results
- Posted 29 Nov 2023
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
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).
Study design
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Double blind (participant, investigator)
- Number of arms
- 4
| Arm | Type | Receives |
|---|---|---|
| Cilofexor 100 mg (Blinded Phase) | Experimental | Drug: CilofexorParticipants received cilofexor 100 mg tablet, orally, once daily for up to 100.3 weeks. |
| Placebo (Blinded Phase) | Placebo comparator | Drug: PlaceboParticipants received placebo to match cilofexor 100 mg tablet, orally, once daily for up to 98.1 weeks. |
| Cilofexor From Cilofexor 100 mg (OLE Phase) | Experimental | Drug: CilofexorParticipants 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) | Experimental | Drug: CilofexorParticipants 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. |
Who may qualify
- Ages
- 18 to 75 years
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Adult, Older adult
Key inclusion criteria (9 listed)
- 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:
Key exclusion criteria (10 listed)
- Current or prior history of any of the following:
- 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)
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| CilofexorAlso: GS-9674100 mg tablet administered orally once daily | Drug | Cilofexor 100 mg (Blinded Phase), Cilofexor From Cilofexor 100 mg (OLE Phase), Cilofexor From Placebo (OLE Phase) |
| PlaceboTablet administered orally once daily | Drug | Placebo (Blinded Phase) |
Primary outcome
Percentage of Participants With Progression of Liver Fibrosis at Blinded Phase Week 96
Time frame: 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).
12 secondary outcomes
Percentage of Participants Who Experienced Treatment-emergent Adverse Events (TEAEs) in The Blinded Phase
Time frame: 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
Time frame: 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
Time frame: 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
Time frame: 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
Time frame: Baseline, Blinded Phase Week 96
Change From Baseline in Serum Concentrations of Alanine Aminotransferase (ALT) at Blinded Phase Week 96
Time frame: Baseline, Blinded Phase Week 96
Change From Baseline in Serum Concentrations of Fasting Total Bile Acids at Blinded Phase Week 96
Time frame: Baseline, Blinded Phase Week 96
Percentage of Participants With ≥ 25% Relative Reduction in Serum ALP Concentration From Baseline and No Worsening of Fibrosis According to the Ludwig Classification at Blinded Phase Week 96
Time frame: Baseline, Blinded Phase Week 96
Percentage of Participants With Fibrosis Improvement According to the Ludwig Classification at Blinded Phase Week 96
Time frame: Blinded Phase Week 96
Change From Baseline in Primary Sclerosing Cholangitis (PSC) Symptoms - Module 1 Based on Disease-specific Patient Reported Outcome (PSC-PRO) at Blinded Phase Week 96
Time frame: Baseline, Blinded Phase Week 96
Change From Baseline in Enhanced Liver Fibrosis (ELF™ ) Test Score at Blinded Phase Week 96
Time frame: Baseline, Blinded Phase Week 96
Change From Baseline in Liver Stiffness by FibroScan® at Blinded Phase Week 96
Time frame: Baseline, Blinded Phase Week 96
Results and safety
Loading the posted results from ClinicalTrials.gov…
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 29 Nov 2023.
- Posted resultsParticipant flow, baseline, all outcome measures and adverse events.
- Background: PubMed 36922785Trauner 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.
- BackgroundTrauner 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.
- Derived from this study: PubMed 41173015Trauner 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.
- Gilead Clinical Trials WebsiteLink provided by the sponsor.
- Individual participant dataSharing planned: No
Related trials for Primary Sclerosing Cholangitis
RecruitingObservational study
Unraveling the Mechanisms Underlying Primary Sclerosing Cholangitis Through a Multidisciplinary, Integrative Research Approach
Primary Sclerosing Cholangitis
Not yet recruitingPhase 2
FEAST and HOPE: Redox PSC Pilot Study
Primary Sclerosing Cholangitis (PSC)
RecruitingPhase 3
A Study to Assess How Well and Safely Elafibranor Works in Adult Participants With Primary Sclerosing Cholangitis
Primary Sclerosing Cholangitis
Active, not recruitingPhase 2
A Study to Assess Safety and Effectiveness of Elafibranor in Adult Participants With Primary Sclerosing Cholangitis.
Primary Sclerosing Cholangitis
Active, not recruitingPhase 2
A Study to Evaluate Efficacy and Safety of an Investigational Drug Named Volixibat in Patients With Itching Caused by Primary Sclerosing Cholangitis (PSC)
Primary Sclerosing Cholangitis
Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
Gilead Study Director study director
Gilead Sciences
201 sites in 16 countries: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A Phase 3 study testing Cilofexor in people with Primary Sclerosing Cholangitis, run by Gilead Sciences at 201 sites in 16 countries.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 9 inclusion and 10 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: stopped early, as of the sponsor's last update on 29 Nov 2023. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 201 sites in United States, Australia, Canada, France, United Kingdom and 11 more countries. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. Some participants in this study may receive a placebo. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
What does this phase mean?
Phase 3 studies compare the treatment with the current standard treatment or a placebo in a large group, to confirm how well it works and watch for side effects.
Not every study follows the same path, and some studies (observational studies, device studies) have no phase.
Are results available for this study?
Yes. Results are posted in the registry (first posted 29 Nov 2023). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Percentage of Participants With Progression of Liver Fibrosis at Blinded Phase Week 96 (time frame: Blinded Phase Week 96). It is what the study was designed to measure, not a finding.
Where can I read the original study information?
On the ClinicalTrials.gov record for NCT03890120, which also lists 3 linked publications.
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 29 Nov 2023.