A Study of ARC-521 Injection in Normal Adult Volunteers and Patients With Chronic Hepatitis B (CHB)
Hepatitis B
About this trial
This is an interventional treatment trial for Hepatitis B
Eligibility Criteria
Inclusion Criteria:
- Male or female, 18 to 55 years of age inclusive (NHVs) or 18-65 years of age inclusive (CHBs), at the time of informed consent
- Able to provide written informed consent prior to the performance of any study specific procedures
- Body mass index (BMI) between 19.0 and 35.0 kg/m2, inclusive
- A 12-lead ECG at Screening and pre-dose assessment that, in the opinion of the investigator, has no abnormalities that compromise participant's safety in this study
- Must use 2 effective methods of contraception (double barrier contraception or hormonal contraceptive along with a barrier contraceptive (both male and female partners)
- Have suitable venous access for blood sampling
- No abnormal finding of clinical relevance at the Screening evaluation (NHVs only)
- Have a diagnosis of HbeAg-negative chronic HBV infection (CHB patients only)
- Treatment-naive or currently on entecavir/tenofovir for 6 months or longer
Exclusion Criteria:
- Pregnant or lactating
- Acute signs of hepatitis/other infection at Screening or at baseline
- Use within last 14 days or anticipated requirement for anticoagulants, systemic corticosteroids, immunomodulators, or immunosuppressants
- Use of prescription medication within 14 days prior to study treatment that in the opinion of the PI or the Sponsor would interfere with study conduct.
- Known diagnosis of non-alcoholic steatohepatitis [NHVs only] or familial hypercholesterolemia
- Taking interferon alpha (INFalpha) within 6 months of screening [CHBs only]
- History of poorly controlled autoimmune disease or history of autoimmune hepatitis
- Human immunodeficiency virus (HIV) infection
- Seropositive for HBV (NHVs only) or hepatitis C virus (HCV), and/or history of delta virus hepatitis
- Hypertension defined as blood pressure > 170/100 mmHg at screening [NHVs only]
- A history of cardiac rhythm disturbances
- Family history of congenital long QT syndrome, Brugada syndrome or unexplained sudden cardiac death
- Symptomatic heart failure, unstable angina, myocardial infarction, severe cardiovascular disease within 6 months prior to study entry
- History of malignancy within the last 5 years except for adequately treated basal cell carcinoma, squamous cell skin cancer, superficial bladder tumors, or in situ cervical cancer
- History of major surgery within 3 months of Screening
- Regular use of alcohol within one month prior to the Screening visit (more than fourteen units of alcohol per week)
- Evidence of severe systemic acute inflammation, sepsis, or hemolysis [NHVs only]
- Use within 3 months of illicit drugs (cocaine, phencyclidine [PCP], 3,4-methylenedioxymethamphetamine [MDMA], others) or positive test for drugs of abuse at screening.
- History of allergy to bee venom or history of severe hypersensitivity reaction, such as anaphylaxis
- Use of an investigational agent or device within 30 days prior to dosing or current participation in an investigational study
- Clinically significant history of any alcoholic liver disease, cirrhosis, Wilson's disease, hemochromatosis, or alpha-1 antitrypsin deficiency, liver or kidney disease
- Clinically significant history/presence of poorly controlled or decompensated neurological, endocrine, cardiovascular, pulmonary, hematological, immunologic, psychiatric, metabolic, or other uncontrolled systemic disease
- Blood donation (500 mL) within 7 days prior to study treatment administration [NHVs only]
- History of fever (>38.0ºC/100.4ºF) within 2 weeks of Screening [NHVs only]
- Any concomitant medical or psychiatric condition or social situation that impacts compliance or involves additional safety risk
- History of coagulopathy (including deep vein thrombosis and pulmonary embolism) or stroke within 6 months of baseline, and/or concurrent anticoagulant medication(s)
- Presence of cholangitis, cholecystitis, cholestasis, or duct obstruction
Sites / Locations
- Auckland Clinical Studies Ltd
Arms of the Study
Arm 1
Arm 2
Arm 3
Arm 4
Arm 5
Arm 6
Arm 7
Arm 8
Arm 9
Arm 10
Arm 11
Experimental
Experimental
Experimental
Experimental
Experimental
Experimental
Placebo Comparator
Experimental
Experimental
Experimental
Experimental
NHV Participants: Cohort 1
NHV Participants: Cohort 2
NHV Participants: Cohort 3
NHV Participants: Cohort 4
NHV Participants: Cohort 5
NHV Participants: Cohort 6
NHV Participants: Placebo
CHB Participants: Cohort 3b
CHB Participants: Cohort 4b
CHB Participants: Cohort 3c
CHB Participants: Cohort 4c
NHV participants administered a single dose of ARC-521 Injection at a dose of 0.6 mg/kg.
NHV participants administered a single dose of ARC-521 Injection at a dose of 1 mg/kg.
NHV participants administered a single dose of ARC-521 Injection at a dose of 2 mg/kg.
NHV participants administered a single dose of ARC-521 Injection at a dose of 4 mg/kg.
NHV participants administered a single dose of ARC-521 Injection at a dose of 5 mg/kg.
NHV participants administered a single dose of ARC-521 Injection at a dose of 6 mg/kg.
NHV participants administered 0.9% normal saline to match ARC-521 Injection at doses of 0.6, 1, 2, 4, 5 and 6 mg/kg.
Treatment-naive participants with CHB administered 3 doses of ARC-521 Injection at 2 mg/kg once every 4 weeks. Participants are treatment-naive if they have not been on continual nucleoside analog (NUC) therapy (any NUC) for at least 6 months prior to screening (or have never been on NUCs).
Treatment-naive participants with CHB administered 3 doses of ARC-521 Injection at 4 mg/kg once every 4 weeks. Participants are treatment-naive if they have not been on continual NUC therapy (any NUC) for at least 6 months prior to screening (or have never been on NUCs).
Participants with CHB currently on NUCs (entecavir or tenofovir for at least 6 months) administered 3 doses of ARC-521 Injection at 2 mg/kg once every 4 weeks.
Participants with CHB currently on NUCs (entecavir or tenofovir for at least 6 months) administered 3 doses of ARC-521 Injection at 4 mg/kg once every 4 weeks.