Odevixibat for the Treatment of Progressive Familial Intrahepatic Cholestasis

Inclusion Criteria: 1. A male or female patient of any age, with a clinical diagnosis of PFIC, and with a body weight ≥5 kg at Screening visit 2. Patient must have a clinical diagnosis of PFIC 3. Patient must have clinically confirmed pruritus 4. Patient must have elevated serum bile acid levels, specifically measured to be ≥2 × the upper limit of normal (ULN) prior to start of medication 5. Patient and/or legal guardian must sign informed consent (and assent) as appropriate. Patients who turn 18 years of age (or legal age per country) during Exclusion Criteria: 1. Patient is expected to have a liver transplant within 6 months of Screening 2. Decompensated liver disease, coagulopathy, history or presence of clinically significant ascites, variceal hemorrhage, and/or encephalopathy 3. International normalized ratio (INR) \>1.4 (the patient may be treated with Vitamin K intravenously, and if INR is ≤1.4 at resampling the patient may be started on program medication) 4. Serum ALT \>10 × ULN at Screening 5. Serum ALT \>15 × ULN at any time point during the last 6 months unless an alternate etiology was confirmed for the elevation 6. Total bilirubin \>10 × ULN at Screening 7. Any patient who is pregnant, lactating, or planning to get pregnant 8. Patients who qualify for enrollment in other Phase 2 or Phase 3 trials intended to support marketing approval in PFIC