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CS0159 in Chinese Patients With PBC (Primary Biliary Cholangitis)

Phase 2
Active, not recruiting
Conditions
Primary Biliary Cholangitis (PBC)
Interventions
Drug: 2mg CS0159
Drug: Placebo
Registration Number
NCT05896124
Lead Sponsor
Cascade Pharmaceuticals, Inc
Brief Summary

A phase II study to evaluate safety, tolerability and efficacy of CS0159 in patients with PBC (Primary Biliary Cholangitis).

Detailed Description

This is a phase II study to evaluate safety, tolerability and efficacy of CS0159 in patients with PBC (Primary Biliary Cholangitis). The study has been designed to have two parts, the first part of the study will be double-blinded for 12 weeks. The second part of the study will be an open-label trail lasting 40 weeks.

Recruitment & Eligibility

Status
ACTIVE_NOT_RECRUITING
Sex
All
Target Recruitment
75
Inclusion Criteria
  1. When signing ICF age≥18 years≤75 years, male or female

  2. Meets the diagnostic criteria of PBC, such as elevation ALP, positive AMA or AMA-M2, If negative for AMA, positive for PBC specific antibody and Liver biopsy meeting PBC criteria six months before screening

  3. 1.67 × ULN ≤ALP ≤ 10 × ULN and TBil≤ 3 × ULN

  4. UDCA≥6 months before randomization and a stable dose (no less than 13-15 mg/kg/d in principle) ≥3 months after the efficacy was poor (meeting inclusion criteria 3), or UDCA was not tolerated, and stop taking UDCA (no UDCA use for ≥3 months before randomization)

  5. Understand the study content, comply with the study protocol, and sign the ICF voluntarily

Exclusion Criteria
  1. ALT or AST>5×ULN;
  2. OCA(Obercholic acid) in the 3 months prior to randomization
  3. Known concomitant hepatobiliary disease or history
  4. Significant hepatic impairment as defined by Child-Pugh classification of B or C, history of liver transplantation, current placement on a liver transplant list or current Model for End Stage Liver Disease (MELD) score ≥15.
  5. Patients were screened for HBsAg positive, HCVAb positive, HIV Ab positive, or TPAb positive.
  6. (creatinine, Cr) ≥1.5×ULN and Cr clearance rate <60 mL/min
  7. Platelet<80×10^9/L;
  8. INR>1.3
  9. ALB<3.5 g/dL
  10. Severe pruritus or systemic medication was required within 2 months prior to randomization
  11. Arrhythmia, Or during screening the QTc interval was ≥450 ms for male and 470 ms for female
  12. History or presence of any disease or condition known to interfere with the absorption, distribution, metabolism, or excretion of drugs including bile salt metabolism in the large intestine, eg, inflammatory bowel disease, prior or planned (during the study period) bariatric surgery (such as gastroplasty, roux-en-Y gastric bypass).
  13. Concomitant use of medications, food, and drinks that are strong or moderate CYP3A4 inhibitors or inducers within 14 days prior to the first dose of study drug and throughout the study duration.
  14. Diseases that may cause non-hepatic elevation of ALP (such as Paget's disease) or may result in a life expectancy of less than 2 years
  15. A history of malignant tumor within 5 years prior to randomization
  16. Perazathioprine, colchicine, cyclosporine, methotrexate, mycophenolate, and pentoxifylline were administered from 28 days before randomization to the entire clinical study period. Fenofibrate or other Bates; Budesonide and other systemic corticosteroid hormones; Hepatotoxic drugs; Liver protection Drugs and other hepatoprotective drugs were given a stable dose <28 days before randomization or could not be maintained during the trial; cholagogue
  17. The administration of interleukin or other cytokine antibodies, as well as chemical factors or immunotherapy, was prohibited from 12 months prior to randomization throughout the clinical study period
  18. Substance abuse or alcoholism from 6 months prior to randomization throughout the entire clinical study period
  19. Poor blood pressure control is indicated by a systolic pressure greater than 160 mmHg or diastolic pressure greater than 100 mmHg during screening
  20. Poor blood glucose control, that is, HBA1c >9.0% at screening
  21. Pregnancy, planned pregnancy, lactation
  22. Use of other investigational drugs within 3 months
  23. Any other condition(s) that would compromise the safety of the patient or compromise the quality of the clinical study, as judged by the investigator

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
2mg CS0159PlaceboQD for 12 weeks
4mg CS01592mg CS0159QD for 12 weeks
PlaceboPlaceboQD for 12 weeks
2mg CS01592mg CS0159QD for 12 weeks
Primary Outcome Measures
NameTimeMethod
relative changes from baseline in ALP at week 12baseline to 12 weeks

Compared with placebo ,Percentage change of CS0159 to ALP relative to baseline

AE incidencebaseline to 12 weeks

AE incidence in three arms

Secondary Outcome Measures
NameTimeMethod
Absulute changes from baseline in ALP at week 12baseline to 12 weeks

Compared with placebo, CS0159 changes in serum ALP relative to baseline

ALP and TBilbaseline to 12 weeks

Compared with placebo, the rate of subjects to achive the lelve of ALP\< 1.67 ULN and (total bilirubin) TBil ≤ULN

Pruritusfrom basline to 40 weeks

the changes from baseline in Pruritus to week 40

Liver function: ALT, AST, ALB, LDL-C, HDL-C, TBA, GGT, TC, TGfrom baseline to week 40.

The reduction of ALT, AST, ALB, LDL-C, HDL-C, TBA, GGT, TC, and TG from baseline to week 40.

Trial Locations

Locations (16)

The First Affiliated Hospital of USTC Anhui Provincial Hospital

🇨🇳

Hefei, Anhui, China

Beijing Friendship Hospital, Captail Medcial University

🇨🇳

Beijing, Beijing, China

Beijing Youan Hostital, Captial Medical University

🇨🇳

Beijing, Beijing, China

Peking Union Medical College Hospital

🇨🇳

Beijing, Beijing, China

The Third Affiliated Hospital, Sun Yat-Sen University

🇨🇳

Guangzhou, Guangdong, China

The Fifth Affiliated Hospital of Guangzhou Medical University

🇨🇳

Guangzhou, Guangzhou, China

Henan Provincial People's Hospital

🇨🇳

Zhengzhou, Henan, China

Wuhan Union Hospital of China

🇨🇳

Wuhan, Hubei, China

The Seconed Xiangya Hospital of Central South University

🇨🇳

Changsha, Hunan, China

The Third People's Hospital of Zhenjiang

🇨🇳

Zhenjiang, Jiangsu, China

The First Bethune Hospital of Jilin University

🇨🇳

ChangChun, Jilin, China

Qilu Hospital of Shandong University

🇨🇳

Jinan, Shandong, China

Renji Hospital, Shanghai Jiao Tong University School of Medicine

🇨🇳

Shanghai, Shanghai, China

West China Hospital, Sichuan University

🇨🇳

Chengdu, Sichuan, China

Shaoyifu Hospital of Zhejiang University Medical

🇨🇳

Hangzhou, Zhejiang, China

The First Affiliated Hospital,Zhejiang University School of Medicine

🇨🇳

Hangzhou, Zhejiang, China

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