Primary Biliary CholangitisPhase 2NCT03394924
A Study to Assess the Safety, Tolerability, Pharmacokinetics and Efficacy of EDP-305 in Subjects With Primary Biliary Cholangitis
A Phase 2 study testing EDP-305 1 mg and EDP-305 2.5 mg in people with Primary Biliary Cholangitis, run by Enanta Pharmaceuticals, Inc at 86 sites in 10 countries.
Trial summary
A randomized, double-blind study to assess the safety, tolerability, PK and efficacy of EDP-305 in subjects with primary biliary cholangitis Read more about this study
- Who is it for?
- Ages 18 to 75 years
- Conditions the study is for
- Primary Biliary Cholangitis
- What is being tested?
- EDP-305 1 mg and EDP-305 2.5 mg
- Type of treatment
- Pill or oral medicine
- Could I receive a placebo?
- Yes, some participants may receive a placebo
- How many people
- 68 participants
- Where
- 86 sitesin 10 countries
- Study dates
- 27 Dec 2017to 16 Jan 2020
- Phase
- Phase 2
- 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
- An informed consent document signed and dated by the subject.
- Male and female subjects of any ethnic origin between the ages of 18 and 75 years, inclusive
- Male or female with a diagnosis of PBC by at least two of the following criteria:
- History of ALP above ULN for at least six months
- Positive Anti-Mitochondrial Antibodies (AMA) titers (>1/40 on immunofluorescence or M2 positive by enzyme linked immunosorbent assay (ELISA) or positive PBC-specific antinuclear antibodies)
- For subjects with no documented liver biopsy performed within 2 years, subjects must undergo a transient elastography (Fibroscan) showing liver stiffness < 14.0 kPA
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- Must be on a stable dose of UDCA12-20 mg/kg/day for at least 6 months prior to Screening or intolerant of UDCA in the opinion of the Investigator (no UDCA for at least 12 weeks prior to Screening)
- Alkaline Phosphatase (ALP) ≥ 1.67 × ULN and/or total bilirubin >ULN but < 2×ULN (<2.4 mg/dL)
- Subjects must have Screening laboratory values for Hepatitis B surface antigen (HBsAg), anti-HCV antibodies and HCV RNA negative and Human Immunodeficiency Virus (HIV) 1 and 2 antibodies (Ab) as seronegative. Note: subjects previously infected by chronic hepatitis C and treated with direct acting antivirals (DAAs) with sustained virologic response (SVR) for at least 3 years will be allowed.
- Female subjects of childbearing potential must agree to use two effective methods of contraception from the date of Screening until 90 days after the last dose of EDP-305.
- All male participants who have not had a vasectomy must use effective contraception from Day -1 to 90 days after their last dose of study drug.
- Male subjects must agree to refrain from sperm donation from the date of Screening until 90 days after their last dose of study drug
- Screening body mass index (BMI) of ≥18 kg/m2
- Subject must be willing and able to adhere to the assessments, visit schedule, prohibitions and restrictions, as described in this protocol
Who cannot join
- Laboratory Screening Results:
- AST >5 x ULN
- ALT >5 x ULN
- Patients with Gilbert's syndrome will not be allowed due to interpretability of bilirubin levels
- Total white blood cells (WBC) <3000 cells/mm3
- Absolute neutrophil count (ANC) <1500 cells/mm3
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- Platelet count <140,000/mm3
- Prothrombin time (international normalized ratio, INR) >1.2
- Serum creatinine >2 mg/dL or creatinine clearance <60 mL/min (based on Cockroft-Gault Method)
- Suspected to have relevant nonalcoholic fatty liver disease (NAFLD) as based on the judgment of the Investigator at Screening
- Use of immunosuppressants known to have an effect on the liver of patients with PBC (eg, colchicine, methotrexate, azathioprine, or systemic steroids) in the three months preceding screening
- Current use of fibrates, including fenofibrates. Note: Subjects who discontinued fibrates for at least 3 months before Screening can participate
- Use of an experimental treatment for PBC within the past 6 months
- Co-existing liver or biliary diseases, such as primary sclerosing cholangitis, choledocholithiasis, acute or chronic hepatitis, autoimmune hepatitis, alcoholic liver disease, nonalcoholic steatohepatitis (NASH), acute infection of bile duct system or gall bladder, history of gastrointestinal bleeding (secondary to portal hypertension), cirrhosis, cholangiocarcinoma diagnosed or suspected liver cancers
- Cirrhosis with or without complications, including history or presence of: spontaneous bacterial peritonitis, hepatocellular carcinoma
- Hepatorenal syndrome (type I or II) or Screening serum creatinine > 2 mg/dL (178 μmol/L)
- Prior variceal hemorrhage, uncontrolled encephalopathy, Child-Pugh Class A, B and C, esophageal varices, or refractory ascites within the previous 6 months of Screening (defined as date informed consent signed)
- Medical conditions that may cause nonhepatic increases in ALP (e.g., Paget's disease)
- Use of a new statin regimen from Screening and throughout study duration. NOTE: Subjects on a stable dose of statins for at least 3 months prior to Screening are allowed. No dose modification during the study will be allowed.
- Use of immunosuppressants (eg, systemic corticosteroids) for more than 2 consecutive weeks in duration within 1 year prior to Screening.
Trial locations and contacts
86 sites in 10 countries.
86 sites in 10 countries
United States40 sites
Consultative Gastroenterology
Atlanta, Georgia, 30312
Mercy Medical Center-McAuley Plaza
Baltimore, Maryland, 21202
Johns Hopkins University
Baltimore, Maryland, 21287
Massachusetts General Hospital
Boston, Massachusetts, 02114
Beth Israel Deaconess Medical Center
Boston, Massachusetts, 02215
Digestive Disease Associates
Catonsville, Maryland, 21228
Northwestern University
Chicago, Illinois, 60611
Gastroenterology Consultants of Clearwater
Clearwater, Florida, 33756-3839
Southern California Research Center
Coronado, California, 92118
The Liver Institute at Methodist Dallas Medical Center
Dallas, Texas, 75203
Liver Consultants of Texas
Dallas, Texas, 76104
Henry Ford Hospital
Detroit, Michigan, 48377
Digestive Health Specialists of the Southeast
Dothan, Alabama, 36305
South Denver Gastroenterology - Swedish Medical Center Office
Englewood, Colorado, 80113
Baylor Saint Luke's Medical Center
Houston, Texas, 77030
Nature Coast Clinical Research
Inverness, Florida, 34452
University of Iowa Hospitals and Clinics
Iowa City, Iowa, 52242
Dartmouth-Hitchcock Medical Center
Lebanon, New Hampshire, 03756
Arkansas Diagnostic Center
Little Rock, Arkansas, 72205
Texas Clinical Research Institute
Little Rock, Arkansas, 76012
Cedars-Sinai Medical Center
Los Angeles, California, 90048
Northwell Health
Manhasset, New York, 11030
University of Miami Leonard M. Miller School of Medicine
Miami, Florida, 33136
Yale School of Medicine
New Haven, Connecticut, 06520
Concorde Medical Group
New York, New York, 10016
Mount Sinai Beth Isreal
New York, New York, 10016
Weill Cornell Medical College
New York, New York, 10024
Icahn School of Medicine at Mount Sinai
New York, New York, 10029
CHI Health
Omaha, Nebraska, 68124
California Liver Research Institue
Pasadena, California, 91105
Pasadena Liver Center
Pasadena, California, 91105
University of Pittsburgh Medical Center - Center for Liver Disease
Pittsburgh, Pennsylvania, 15213
Inland Empire Liver Foundation
Rialto, California, 92377
Liver Institute of Virginia-Bremo
Richmond, Virginia, 23602
American Research Corporation at the Texas Liver Institute
San Antonio, Texas, 78215
California Pacific Medical Center
San Francisco, California, 94115
Swedish First Hill Campus
Seattle, Washington, 98104
University of Washington
Seattle, Washington, 98195-6460
Louisiana Research Center
Shreveport, Louisiana, 71105
Montefiore Medical Center - Bronx
The Bronx, New York, 10461-1925
France8 sites
Centre Hospitalier Universitaire Amines-Picardie Hôpital Sud
Amiens, Picardie, 80054
Centre Hospitalier Régional Universitaire de Lille
Lille, Hauts-de-France, 59037
Hôpital de la Croix Rousse
Lyon, Auvergne-Rhône-Alpes, 69317
Hôpital Saint-Eloi
Montpellier, Languedoc-roussillon, 34295
Hôpital Saint-Antoine
Paris, Île-de-France Region, 75012
Hôpital Haut-Lévêque
Pessac, Aquitaine, 33600
Nouvel Hôpital Civil
Strasbourg, Alsace, 67091
Hôpital Paul Brousse
Villejuif, Île-de-France Region, 94800
Spain8 sites
Hospital Universitari Vall d'Hebrón
Barcelona, 08029
Hospital Universitario Donostia
Donostia / San Sebastian, Guipuzcoa, 20014
Hospital Universitario Virgen de la Arrixaca
El Palmar, Murcia, 30120
Hospital Universitario Ramón Y Cajal
Madrid, 28034
Hospital Universitario Marqués de Valdecilla
Santander, 39008
Hospital Universitario Virgen del Rocio
Seville, 41013
Hospital Universitari i Politecnic La Fe de Valencia
Valencia, 46026
Universidad de Valladolid - Hospital Universitario Rio Hortega
Valladolid, 47010
United Kingdom8 sites
University Hospitals Birmingham NHS Foundation Trust
Birmingham, England, B15 2TT
Cambridge University Hospitals NHS Foundation Trust
Cambridge, England, CB2 0QQ
NHS Lothian
Edinburgh, Scotland, EH16 4SA
The Leeds Teaching Hospitals NHS Trust
Leeds, England, LS9 7TF
King's College Hospital NHS Foundation Trust
London, England, SE5 9RS
Norfolk and Norwich University Hospitals NHS Foundation Trust
Norwich, England, NR4 7UY
Queen's Medical Centre - Nottingham
Nottingham, England, NG7 2UH
Portsmouth Hospitals NHS Trust
Portsmouth, England, PO6 3LY
Germany7 sites
Charité Universitätsmedizin Berlin
Berlin, 13353
Universitätsklinikum Bonn
Bonn, North Rhine-Westphalia, 53127
Universitaetsklinikum Essen
Essen, North Rhine-Westphalia, 45122
Universitätsklinikum Frankfurt
Frankfurt am Main, Hesse, 60590
Universitätsklinikum Leipzig
Leipzig, Saxony, 04103
Universitaetsmedizin der Johannes Gutenberg-Universitaet Mainz
Mainz, Rhineland-Palatinate, 55131
Universitätsklinikum Würzburg
Würzburg, Bavaria, 97080
Australia3 sites
Monash Medical Centre
Clayton, Victoria, 3168
Nepean Hospital
Kingswood, New South Wales, 2747
Linear Clinical Research
Perth, Western Australia, 6000
Austria3 sites
Medizinische Universität Innsbruck
Innsbruck, Tyrol, 6020
Klinikum Klagenfurt Am Wörthersee
Klagenfurt, Carinthia, 9020
Klinikum Wels-Grieskirchen
Wels, Upper Austria, 4600
Belgium3 sites
Ziekenhuis Oost-Limburg
Genk, Limburg, 3600
Universitair Ziekenhuis Gent
Ghent, Oost-vlaanderen, 9000
CHU de Liège, Cardiology Dept.
Liège, Liege, 4000
Canada3 sites
London Health Sciences Centre University Hospital
London, Ontario, N6A 5A5
Toronto General Hospital
Toronto, Ontario, M5G 2C4
Toronto Liver Center
Toronto, Ontario, M6H 3M1
Netherlands3 sites
Vrije Universiteit Medisch Centrum
Amsterdam, North Holland, 1081 HV
Leiden Universitair Medisch Centrum
Leiden, South Holland, 2333 ZA
Universitair Medisch Centrum Utrecht
Utrecht, 3584 CX
About this study
Official title: A Phase 2 Dose Ranging, Randomized, Double Blind, Placebo-Controlled Study Evaluating the Safety, Tolerability, Pharmacokinetics and Efficacy of EDP-305 in Subjects With Primary Biliary Cholangitis (PBC) With or Without an Inadequate Response to Ursodeoxycholic Acid (UDCA)
A randomized, double-blind study to assess the safety, tolerability, PK and efficacy of EDP-305 in subjects with primary biliary cholangitis
- Conditions
- Primary Biliary Cholangitis
- Being tested
- EDP-305 1 mg, EDP-305 2.5 mg, Placebo
- Keywords
- PBC, Primary Biliary Cholangitis (PBC)
- Medical subject headings
- Liver Cirrhosis, Biliary
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
EDP-305 1 mgDrug
Two tablets daily for 12 weeks
EDP-305 2.5 mgDrug
Two tablets daily for 12 weeks
PlaceboDrug
Two tablets daily for 12 weeks
| Study group | Role | What they receive |
|---|---|---|
| EDP-305 1 mg | Experimental | Subjects will take 2 tablets once a day orally for 12 weeks Receives: Drug: EDP-305 1 mg |
| EDP-305 2.5 mg | Experimental | Subjects will take 2 tablets once a day orally for 12 weeks Receives: Drug: EDP-305 2.5 mg |
| Placebo | Placebo comparator | Subjects will take two tablets once a day orally for 12 weeks Receives: Drug: Placebo |
What is being measured
The primary outcome is the main question the study is designed to answer.
Percentage of Participants With At Least a 20% Reduction in Alkaline Phosphatase (ALP) or Normalization of ALP at Week 12 Compared to Baseline
Percent change was calculated as [(ALP at Week 12 - ALP at Baseline)/ALP at Baseline] *100. The participant was considered to have successfully achieved a 20% reduction in ALP if the result was ≤-20. The participant was considered to have successfully achieved ALP normalization if ALP was abnormal at Baseline and normal at Week 12.
Measured: Baseline and Week 12
Secondary outcomes (20)
Percentage of Participants With a Treatment-Emergent Adverse Event (TEAE) During On-Treatment Period
An adverse event (AE) was defined as any event, side effect, or untoward medical occurrence in a subject enrolled in a clinical trial whether or not it is considered to have a causal relationship to the study drug. A TEAE was an AE that first occurred or began previous to and worsened on or after the first dose date and before the last dose date +7 days.
Measured: Up to approximately Week 12
Percentage of Participants With a Treatment-Emergent Serious Adverse Event (SAE) During On-Treatment Period
A SAE is any untoward medical occurrence at any dose that results in death, is a life-threatening event, requires inpatient hospitalization or prolonged hospitalization of an existing hospitalization, results in permanent or prolonged disability or incapacity, is a congenital anomaly or birth defect in the offspring of a study subjects, or is a medically important event.
Measured: Up to approximately Week 12
Percentage of Participants Who Stopped Study Treatment Due to a Treatment-Emergent Adverse Event (TEAE) During On-Treatment Period
An adverse event (AE) was defined as any event, side effect, or untoward medical occurrence in a subject enrolled in a clinical trial whether or not it is considered to have a causal relationship to the study drug. A TEAE was an AE that first occurred or began previous to and worsened on or after the first dose date and before the last dose date +7 days.
Measured: Up to approximately Week 12
Change From Baseline to Week 12 in Total, Conjugated and Unconjugated Bilirubin
The data presented below was measured using least square mean change from baseline.
Measured: Baseline and Week 12
Change From Baseline to Week 12 in Alanine Aminotransferase (ALT), Aspartate Aminotransferase (AST), and Gamma Glutamyl Transferase (GGT)
Measured: Baseline and Week 12
Change From Baseline to Week 12 in Noninvasive Liver Fibrosis Markers: Enhanced Liver Fibrosis (ELF) Panel and N-terminal Type III Collagen Propeptide (PRO C3)
The ELF panel included hyaluronic acid (HA), procollagen III amino terminal peptide (PIIINP), and tissue inhibitor of metalloproteinase 1 (TIMP 1). This endpoint also presents PRO C3 results.
Measured: Baseline and Week 12
Change From Baseline to Week 12 in Noninvasive Liver Fibrosis Markers: AST to Platelet Ratio Index (APRI) Score
APRI was calculated as ([AST level/AST upper limit of normal]/[Platelet count 1^09/L])×100. AST is aspartate aminotransferase. The aspartate transaminase to platelet ratio index (APRI) is used to assess liver fibrosis in participants with chronic liver disease. Scores range from 0 to ≥ 2.0, with scores < 0.5 predictive of no liver fibrosis; scores >1.5 significant fibrosis; and scores > 2.0 indicative of cirrhosis. A negative change from baseline indicates a decrease in fibrosis.
Measured: Baseline and Week 12
Change From Baseline to Week 12 in Noninvasive Liver Fibrosis Markers: Fibrosis-4 (FIB-4) Score
Fibrosis-4 is the ratio of age in years and aminotransferase to platelet count. It is a non-invasive hepatic fibrosis index score that is calculated using formula: FIB-4 = (Age [years] x AST [U/L]) / (platelets [10^9/L] x (square root of ALT [U/L])). A FIB-4 index of < 1.45 indicates no or moderate fibrosis and an index of > 3.25 indicates extensive fibrosis/cirrhosis. A positive change from Baseline indicates increased fibrosis.
Measured: Baseline and Week 12
Change From Baseline to Week 12 in Fibrinogen and C Reactive Protein (CRP) Levels
Measured: Baseline and Week 12
Change From Baseline to Week 12 in Interleukin (IL) and Tumor Necrosis Factor (TNF) Levels
For IL, both IL6 and IL1β variants were analysed. For TNF, both TNF α and TNF β (also known as lymphotoxin alpha) variants were analyzed.
Measured: Baseline and Week 12
Change From Baseline to Week 12 in Haptoglobin and Alpha2 Macroglobulin Levels
Measured: Baseline and Week 12
Change From Baseline to Week 12 in Triglycerides (TG), Total Cholesterol (TC), High Density Lipoprotein Cholesterol (HDL-C), Low Density Lipoprotein Cholesterol (LDL-C)
Measured: Baseline and Week 12
Change From Baseline to Week 12 in Domain and Total Scores on the 5D-Itch Scale
The 5D-Itch scale is a multidimensional questionnaire completed by participants to quantify the magnitude of pruritus, assessed considering the past 2 weeks. Scale range is 1 to 5 covering five dimensions: duration (1=Less than 6 hrs/day to 5=All day), degree (1=Not present to 5=Unbearable), direction (1=Completely resolved to 5=Getting worse), disability (for Sleep rated as 1=Never affects sleep to 5=Delays falling asleep and frequently wakes me up at night; for Leisure/Social, Housework/Errands and Work/School rated as 1=Never affects activity to 5=Always affects activity), and distribution (assess if itching is present in 16 body locations, scored as 1=present at 0-2 locations to 5=present at 14-16 locations). Total scores (including highest disability score obtained from any of the daily activities) ranged between 5 and 25 where higher scores indicated more severe itching. Negative change scores indicate improvement from the baseline score.
Measured: Baseline and Week 12
Change From Baseline to Week 12 in Visual Analog Score (VAS) for Itching
An itch VAS (0-100mm) was used to record the intensity of the event. Participants drew a line on a scale corresponding to the maximum intensity of itch. Lines drawn towards the right of the line indicated greater itching and higher scores indicated more severe itching. Negative change from baseline indicates decrease in itching.
Measured: Baseline to Week 12
Change From Baseline to Week 12 in Domain Scores on the Primary Biliary Cholangitis-40 (PBC-40) Quality of Life (QoL) Assessment
The PBC-40 is a survey measuring health related quality of life in participants with PBC. The 40 questions from the PBC-40 questionnaire are scored from 1-5, with 5 representing the highest impact and 1 the lowest impact of PBC on the quality of life. Six domains were computed from the 40 questions: symptoms (score range 7-35), itch (0-15), fatigue (11-55), cognition (6-30), social (8-50) and emotional (1-15). Higher scores indicate worse quality of life and negative change scores indicate improvement from the baseline score.
Measured: Baseline and Week 12
Maximum Plasma Concentration (Cmax) of EDP-305 and Its Metabolites
Metabolites of EDP-305 are EP-022571, EP-022572, and EP-022679.
Measured: Day 1 and Week 12: Pre-dose and 2, 6 and 8 hours post-dose
Time to Maximum Plasma Concentration (Tmax) of EDP-305 and Its Metabolites
Metabolites of EDP-305 are EP-022571, EP-022572, and EP-022679.
Measured: Day 1 and Week 12: Pre-dose and 2, 6 and 8 hours post-dose
Area Under the Plasma Concentration-time Curve From Time Zero to the Time of the Last Quantifiable Concentration (AUClast) of EDP-305 and Its Metabolites
Metabolites of EDP-305 are EP-022571, EP-022572, and EP-022679.
Measured: Day 1 and Week 12: Pre-dose and 2, 6 and 8 hours post-dose
Percentage Change From Baseline to Week 12 in Fibroblast Growth Factor 19 (FGF19), 7α-OH-4-cholesten-3-one (C4) and Bile Acid (BA) Concentrations
FGF19 was measured in plasma. BA was measured in serum. C4 was measured in serum.
Measured: Baseline and Week 12
Percentage Change From Baseline to Week 12 in AUC0-8 and AUC2-8 of Fibroblast Growth Factor 19 (FGF19), 7α-OH-4-cholesten-3-one (C4) and Bile Acid (BA)
AUC0-8 is area under the biomarker concentration-time curve from time zero to 8 hours. AUC2-8 is area under the biomarker concentration-time curve from 2 hours to 8 hours. FGF19 was measured in plasma. BA was measured in serum. C4 was measured in serum.
Measured: Day 1 and Week 12: Pre-dose and 2, 6 and 8 hours post-dose
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted9 Jan 2018
- Study start27 Dec 2017
- Primary completion19 Dec 2019
- Study completion16 Jan 2020
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.
- Other trials for Primary Biliary CholangitisStudies of the same condition, open and under way.
- 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 2
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Triple blind
- Who is masked
- Participant, Care provider, Investigator
- Enrolment
- 68 participants (actual)
Sponsor and investigators
- Lead sponsor
- Enanta Pharmaceuticals, Inc
- Sponsor type
- Industry (pharma, biotech, devices)
- Collaborators
- Pharmaceutical Research Associates, Triangle Biostatistics, LLC
- Responsible party
- Sponsor
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT03394924
- Sponsor's protocol ID
- EDP 305-201
- Status last verified
- Jun 2020
- First submitted
- 23 Dec 2017
- Last updated
- 18 May 2021
- Results posted
- Yes, on ClinicalTrials.gov
- Data monitoring committee
- Yes
- FDA-regulated drug
- Yes
- FDA-regulated device
- No
- Individual data sharing
- No
Study at a glance
From the registry record, last updated by the sponsor on 18 May 2021. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- A Phase 2 Dose Ranging, Randomized, Double Blind, Placebo-Controlled Study Evaluating the Safety, Tolerability, Pharmacokinetics and Efficacy of EDP-305 in Subjects With Primary Biliary Cholangitis (PBC) With or Without an Inadequate Response to Ursodeoxycholic Acid (UDCA)
- ClinicalTrials.gov ID
- NCT03394924
- Acronym / sponsor ID
- EDP 305-201
- Conditions
- Primary Biliary Cholangitis
- Keywords
- PBC, Primary Biliary Cholangitis (PBC)
- Phase
- Phase 2
- Study type
- Interventional
- Recruitment status
- Completed
- Enrolment
- 68 participants (actual)
- Lead sponsor
- Enanta Pharmaceuticals, IncIndustry (pharma, biotech, devices)
- Collaborators
- Pharmaceutical Research Associates, Triangle Biostatistics, LLC
- Study start
- 27 Dec 2017 (actual)
- Primary completion
- 19 Dec 2019 (actual)
- Study completion
- 16 Jan 2020 (actual)
- First posted
- 9 Jan 2018 (actual)
- Results
- Posted 18 May 2021
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
A randomized, double-blind study to assess the safety, tolerability, PK and efficacy of EDP-305 in subjects with primary biliary cholangitis
Study design
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Triple blind (participant, care provider, investigator)
- Number of arms
- 3
| Arm | Type | Receives |
|---|---|---|
| EDP-305 1 mg | Experimental | Drug: EDP-305 1 mgSubjects will take 2 tablets once a day orally for 12 weeks |
| EDP-305 2.5 mg | Experimental | Drug: EDP-305 2.5 mgSubjects will take 2 tablets once a day orally for 12 weeks |
| Placebo | Placebo comparator | Drug: PlaceboSubjects will take two tablets once a day orally for 12 weeks |
Who may qualify
- Ages
- 18 to 75 years
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Adult, Older adult
Key inclusion criteria (14 listed)
- An informed consent document signed and dated by the subject.
- Male and female subjects of any ethnic origin between the ages of 18 and 75 years, inclusive
- Male or female with a diagnosis of PBC by at least two of the following criteria:
- For subjects with no documented liver biopsy performed within 2 years, subjects must undergo a transient elastography (Fibroscan) showing liver stiffness < 14.0 kPA
- Must be on a stable dose of UDCA12-20 mg/kg/day for at least 6 months prior to Screening or intolerant of UDCA in the opinion of the Investigator (no UDCA for at least 12 weeks prior to Screening)
Key exclusion criteria (20 listed)
- Laboratory Screening Results:
- Suspected to have relevant nonalcoholic fatty liver disease (NAFLD) as based on the judgment of the Investigator at Screening
- Use of immunosuppressants known to have an effect on the liver of patients with PBC (eg, colchicine, methotrexate, azathioprine, or systemic steroids) in the three months preceding screening
- Current use of fibrates, including fenofibrates. Note: Subjects who discontinued fibrates for at least 3 months before Screening can participate
- Use of an experimental treatment for PBC within the past 6 months
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 |
|---|---|---|
| EDP-305 1 mgTwo tablets daily for 12 weeks | Drug | EDP-305 1 mg |
| EDP-305 2.5 mgTwo tablets daily for 12 weeks | Drug | EDP-305 2.5 mg |
| PlaceboTwo tablets daily for 12 weeks | Drug | Placebo |
Primary outcome
Percentage of Participants With At Least a 20% Reduction in Alkaline Phosphatase (ALP) or Normalization of ALP at Week 12 Compared to Baseline
Time frame: Baseline and Week 12
Percent change was calculated as [(ALP at Week 12 - ALP at Baseline)/ALP at Baseline] *100. The participant was considered to have successfully achieved a 20% reduction in ALP if the result was ≤-20. The participant was considered to have successfully achieved ALP normalization if ALP was abnormal at Baseline and normal at Week 12.
20 secondary outcomes
Percentage of Participants With a Treatment-Emergent Adverse Event (TEAE) During On-Treatment Period
Time frame: Up to approximately Week 12
Percentage of Participants With a Treatment-Emergent Serious Adverse Event (SAE) During On-Treatment Period
Time frame: Up to approximately Week 12
Percentage of Participants Who Stopped Study Treatment Due to a Treatment-Emergent Adverse Event (TEAE) During On-Treatment Period
Time frame: Up to approximately Week 12
Change From Baseline to Week 12 in Total, Conjugated and Unconjugated Bilirubin
Time frame: Baseline and Week 12
Change From Baseline to Week 12 in Alanine Aminotransferase (ALT), Aspartate Aminotransferase (AST), and Gamma Glutamyl Transferase (GGT)
Time frame: Baseline and Week 12
Change From Baseline to Week 12 in Noninvasive Liver Fibrosis Markers: Enhanced Liver Fibrosis (ELF) Panel and N-terminal Type III Collagen Propeptide (PRO C3)
Time frame: Baseline and Week 12
Change From Baseline to Week 12 in Noninvasive Liver Fibrosis Markers: AST to Platelet Ratio Index (APRI) Score
Time frame: Baseline and Week 12
Change From Baseline to Week 12 in Noninvasive Liver Fibrosis Markers: Fibrosis-4 (FIB-4) Score
Time frame: Baseline and Week 12
Change From Baseline to Week 12 in Fibrinogen and C Reactive Protein (CRP) Levels
Time frame: Baseline and Week 12
Change From Baseline to Week 12 in Interleukin (IL) and Tumor Necrosis Factor (TNF) Levels
Time frame: Baseline and Week 12
Change From Baseline to Week 12 in Haptoglobin and Alpha2 Macroglobulin Levels
Time frame: Baseline and Week 12
Change From Baseline to Week 12 in Triglycerides (TG), Total Cholesterol (TC), High Density Lipoprotein Cholesterol (HDL-C), Low Density Lipoprotein Cholesterol (LDL-C)
Time frame: Baseline and Week 12
Change From Baseline to Week 12 in Domain and Total Scores on the 5D-Itch Scale
Time frame: Baseline and Week 12
Change From Baseline to Week 12 in Visual Analog Score (VAS) for Itching
Time frame: Baseline to Week 12
Change From Baseline to Week 12 in Domain Scores on the Primary Biliary Cholangitis-40 (PBC-40) Quality of Life (QoL) Assessment
Time frame: Baseline and Week 12
Maximum Plasma Concentration (Cmax) of EDP-305 and Its Metabolites
Time frame: Day 1 and Week 12: Pre-dose and 2, 6 and 8 hours post-dose
Time to Maximum Plasma Concentration (Tmax) of EDP-305 and Its Metabolites
Time frame: Day 1 and Week 12: Pre-dose and 2, 6 and 8 hours post-dose
Area Under the Plasma Concentration-time Curve From Time Zero to the Time of the Last Quantifiable Concentration (AUClast) of EDP-305 and Its Metabolites
Time frame: Day 1 and Week 12: Pre-dose and 2, 6 and 8 hours post-dose
Percentage Change From Baseline to Week 12 in Fibroblast Growth Factor 19 (FGF19), 7α-OH-4-cholesten-3-one (C4) and Bile Acid (BA) Concentrations
Time frame: Baseline and Week 12
Percentage Change From Baseline to Week 12 in AUC0-8 and AUC2-8 of Fibroblast Growth Factor 19 (FGF19), 7α-OH-4-cholesten-3-one (C4) and Bile Acid (BA)
Time frame: Day 1 and Week 12: Pre-dose and 2, 6 and 8 hours post-dose
Results and safety
Loading the posted results from ClinicalTrials.gov…
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 18 May 2021.
- Posted resultsParticipant flow, baseline, all outcome measures and adverse events.
- Individual participant dataSharing planned: No
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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.
The record lists no contact. Use the official record to reach the sponsor.
86 sites in 10 countries: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A Phase 2 study testing EDP-305 1 mg and EDP-305 2.5 mg in people with Primary Biliary Cholangitis, run by Enanta Pharmaceuticals, Inc at 86 sites in 10 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 14 inclusion and 20 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: finished, as of the sponsor's last update on 18 May 2021. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 86 sites in United States, France, Spain, United Kingdom, Germany and 5 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 2 studies give the treatment to a larger group to see whether it has the intended effect and to keep checking safety.
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 18 May 2021). 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 At Least a 20% Reduction in Alkaline Phosphatase (ALP) or Normalization of ALP at Week 12 Compared to Baseline (time frame: Baseline and Week 12). It is what the study was designed to measure, not a finding.
Where can I read the original study information?
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 18 May 2021.