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CS0159 in Chinese Patients With PSC (Primary Sclerosing Cholangitis)

A Phase II Study to Evaluate Safety, Tolerability and Efficacy, of CS0159 in Patients Subjects With Primary Sclerosing Cholangitis, Multicenter, Randomized, 12-week Double-blind, Placebo-controlled, and 40-week Open Study

Status
Active, not recruiting
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT05896137
Enrollment
50
Registered
2023-06-09
Start date
2023-08-07
Completion date
2026-05-01
Last updated
2026-03-13

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Primary Sclerosing Cholangitis

Brief summary

A phase II Study of CS0159 in Chinese patients with PSC(Primary Sclerosing Cholangitis)

Detailed description

A phase II study to evaluate safety, tolerability and efficacy, of CS0159 in patients with Primary Sclerosing Cholangitis, this is a multicenter, randomized, 12-weeks double-blind, placebo-controlled, and 40-week open study.

Interventions

DRUGCS0159

Oral QD

Sponsors

Cascade Pharmaceuticals, Inc
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
DOUBLE (Subject, Investigator)

Eligibility

Sex/Gender
ALL
Age
18 Years to 75 Years
Healthy volunteers
No

Inclusion criteria

1. Male or female age≥18 or age≤75 years when sign ICF 2. Within the last year, have a clinical diagnosis of PSC with a consistent magnetic resonance cholangiopancreatography (MRCP) orendoscopic retrograde cholangiopancreatography (ERCP) Prcutaneous Transhepatic Cholangiography(PTC) showing sclerosing cholangitis 3. 1.50×ULN≤ALP≤10×ULN, and TBil≤3×ULN during screen 4. Taken UDCA(≤25mg/kg/d)≥6 months before randomization and stable does≥ 3 months, or not used UDCA≥3 months before randomization 5. For subject with a history of IBD 1. Patients with Crohn's Disease (CD),Must be in remission, CDAI\<150 or CDAI of score ≤4 2. Patients with(Ulcerative Colitis)UC,Must be in remission or only mild activity,Some Mayo scores range from 0 to 4 6. Be able to understand and Comply with the study protocol sign a written informed consent form(ICF)voluntarily

Exclusion criteria

, 1. Presence of documented secondary sclerosing cholangitis when screening,or direct evidence IgG4 related sclerosing cholangitis or serum IgG4 ≥ 4 ×ULN 2. Small duct PSC 3. ALT or AST\>5×ULN 4. Taken( ObeticholicAcid) OCA within 3 months before randomization 5. Acute cholangitis was suspected or confirmed within 3 months prior to randomization, Including acute cholangitis being treated during screening 6. Presence of percutaneous drain or bile duct stent at the time of screening or during the study 7. Known concurrent comorbidities with other hepatobiliary diseases including, but not limited to: active hepatitis B virus or hepatitis C virus infection (see Exclusion Criterion 9), primary biliary cholangitis, complete biliary obstruction, acute cholecystitis or gallstones with significant symptoms, Autoimmune Hepatitis (AIH) or overlap with other autoimmune liver diseases, Alcoholic Hepatitis, Non-Alcoholic Steatohepatitis, Suspected or Diagnosed Primary Hepatocellular Cancer, and Bile Duct Cancer; 8. Child-Pugh patients with grade B or C cirrhosis,Present complications related to cirrhosis or End-stage liver disease ,Including history of liver transplantation Preparing for liver transplantation (Model for End-Stage Liver Disease)MELD≥15,Portal hypertension complications,Complications of cirrhosis 9. Patients who are HBsAg-positive, HCVAb-positive, HIVAb-positive or TPAb-positive at screening 10. Cr(Creatinine)≥1.5×ULN also Cr(Creatinine)clearance rate\<60 mL/min 11. PLT(Platelet)\<80×10\^9/L 12. INR(international normalized ratio)\>1.3 13. ALB\<3.5g/dL 14. Severe pruritus may require systemic medication Within 2 months prior to randomization 15. Arrhythmia,male QTc≥450 ms,female QTc≥470 ms, during screening 16. A disease that interferes with the absorption, distribution, metabolism, or excretion of a test drug,such as moderate to severe activity IBD patient, Previous gastric bypass surgery 17. Moderate or intense inhibition of CYP3A4 was performed during 14 days prior to randomization and throughout the trial Preparation or inducer 18. The presence of diseases that may cause non-hepatic elevation of ALP (e.g. Paget's disease) or may cause it Diseases with a life expectancy of less than 2 years 19. History of malignancy within the past 5 years prior to randomization 20. Immunosuppressants, budesonide, and other systemic glucocorticoids were used within 28 days before randomization and throughout the clinical study period; 21. Use of fenofibrate or another fibrate within 28 days prior to randomization and throughout the clinical study period; Hepatotoxic drugs; Hepatoprotective drugs and other hepatoprotective drugs were given stable doses \<28 days before randomization or could not maintain stable doses during the trial; cholagogue 22. Interleukin or other cytokines were used 12 months before randomization and throughout the trial Or antibodies to chemokines or immunotherapy 23. Drug and/or alcohol abuse within the first six months of randomization 24. Poor blood pressure control,systolic pressure\>160 mmHg or dpb \>100 mmHg 25. Poor blood sugar control,Glycated hemoglobin\>9.0% 26. Females who are pregnant or plan to pregnant,Fertile but refusing to sign informed consent, or breastfeed 27. Participated any other study within 30 days prior randomization,and received other experimental medications therapy 28. It is unsuitable to participate for the study or has other diseases by the investigator

Design outcomes

Primary

MeasureTime frameDescription
AE incidenceBaseline to 12 weeksAE incidence in placebo, 2mg and 4mg group
relative changes from baseline in ALP at week 12Baseline to 12 weeksThe reduction of percentage of ALP level from baseline to 12 weeks

Secondary

MeasureTime frameDescription
Absulute changes from baseline in ALP at week 12Baseline to 12 weeksThe reduction of ALP level from baseline to 12 weeks
ALP and TBil changesBaseline to 12 weeksCompared with placebo, ALP\< 1.50 ULN, (total bilirubin) TBil ≤ULN
TBA changesfrom basline to 12 weeks, and to 40 weeksBA change from baseline
Pruritus incidencefrom basline to 40 weekschanges from baseline in the study period

Countries

China

Contacts

STUDY_DIRECTORRong Deng

Cascade Pharmaceuticals, Inc

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Mar 14, 2026