Safety, Tolerability, and Efficacy of GS-9674 in Adults With Primary Sclerosing Cholangitis Without Cirrhosis



Status:Active, not recruiting
Conditions:Gastrointestinal, Gastrointestinal
Therapuetic Areas:Gastroenterology
Healthy:No
Age Range:18 - 70
Updated:3/14/2019
Start Date:November 29, 2016
End Date:April 2020

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A Phase 2, Randomized, Double-Blind, Placebo Controlled Study Evaluating the Safety, Tolerability, and Efficacy of GS-9674 in Subjects With Primary Sclerosing Cholangitis Without Cirrhosis

The primary objective of this study is to evaluate the safety and tolerability of GS-9674 in
adults with primary sclerosing cholangitis (PSC).


Key Inclusion Criteria:

- Diagnosis of PSC based on cholangiogram (magnetic resonance cholangiopancreatography
(MRCP), endoscopic retrograde cholangiopancreatography (ERCP), or percutaneous
transhepatic cholangiogram (PTC)) within the previous 12 months

- Serum alkaline phosphatase (ALP) > 1.67 x upper limit of the normal range (ULN)

- For individuals on ursodeoxycholic acid (UDCA), the dose of UDCA must have been stable
for at least 12 months prior to screening through the end of treatment. For
individuals not on UDCA, no UDCA use for at least 12 months before screening through
the end of treatment

- For individuals being administered biologic treatments (eg, antitumor necrosis factor
(TNF) or anti-integrin monoclonal antibodies), immunosuppressants or systemic
corticosteroids, the dose must have been stable at least 3 months prior to screening
and anticipated to remain stable throughout the trial

- Screening FibroSURE/FibroTest® <0.75 unless a historical liver biopsy within 12 months
of screening does not reveal cirrhosis. In adults with Gilbert's syndrome or
hemolysis, FibroSURE/FibroTest® will be calculated using direct bilirubin instead of
total bilirubin.

Key Exclusion Criteria:

- Alanine aminotransferase (ALT) > 10 x ULN

- Total bilirubin > 2 x ULN

- International normalized ratio (INR) > 1.2 unless on anticoagulant therapy

- Small-duct PSC (histologic evidence of PSC with normal bile ducts on cholangiography)

- Other causes of liver disease including secondary sclerosing cholangitis and viral,
metabolic, alcoholic, and other autoimmune conditions. Individuals with hepatic
steatosis may be included if there is no evidence of nonalcoholic steatohepatitis
(NASH) in the opinion of the investigator or on liver biopsy;

- Ascending cholangitis within 60 days of screening

- Presence of a percutaneous drain or bile duct stent

- Use of fibrates or obeticholic acid within 3 months prior to screening through the end
of treatment

- Cirrhosis of the liver as defined by any of the following:

- Historical liver biopsy demonstrating cirrhosis (eg, Ludwig stage 4 or Ishak
stage ≥ 5)

- Prior history of decompensated liver disease, including ascites, hepatic
encephalopathy or variceal bleeding

- Liver stiffness > 14.4 kilopascal (kPa) by FibroScan

- Current, active inflammatory bowel disease (IBD) defined as a partial Mayo score of >
1 and/or a score on the Rectal Bleeding domain > 0.

Note: Other protocol defined Inclusion/Exclusion criteria may apply.
We found this trial at
15
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