A Study Evaluating the Efficacy and Safety of ALG-000184 Compared With Tenofovir Disoproxil Fumarate in Untreated HBeAg-Positive and HBeAg- Negative Adult Subjects With Chronic Hepatitis B (B-SUPREME)

Trial statusRecruiting
Trial phasePhase 2
Trial typeInterventional
Biological sexAll
Age18-65
SponsorAligos Therapeutics

About this trial

This is a Phase 2 study to evaluate efficacy and safety of 48 weeks of oral once daily monotherapy with ALG-000184 versus tenofovir disproxil fumarate (TDF) for chronic HBV infection.

Eligibility criteria

This trial does not accept healthy volunteers

Qualifiers

Male or female between 18 and 65 years of age, with body mass index (BMI) of 18.0 to 35.0 kg/m2 (or minimun age by local regulatory requirements).

HBeAg-positive and anti-HBeAg (HBeAb) negative (Part 1); or HBeAg-negative (Part 2).

HBsAg ≥LLOQ.

HBV DNA ≥20,000 IU/mL.

Disqualifiers

Co-infection with hepatitis A, C, D, E or HIV or any evidence of clinically significant liver disease of non-HBV etiology.

Positive for anti-HBs antibodies.

History or current evidence of cirrhosis.

Liver fibrosis that is classified as Metavir Score ≥F3 liver disease.

Trial design

Design model

Parallel

Treatments tested in this trial

  • ALG-000184

    Drug

    300 mg tablet

  • TDF

    Drug

    300 mg tablet

Treatment groups

200 Participants
are divided into 2 treatment groups
Group A: ALG-000184Experimental treatment 1 intervention
Group B: TDFActive comparator 1 intervention

Trial outcomes

Primary outcomes

1

HBeAg positive: HBV DNA <Lower Limit of Quantification [LLOQ] (10 IU/mL, target detected or target not detected)

HBV DNA \<Lower Limit of Quantification \[LLOQ\] (10 IU/mL, target detected or target not detected) at Week 48

Time frame
48 weeks
2

HBeAg negative: HBV DNA <Lower Limit of Quantification [LLOQ] (10 IU/mL, target not detected)

HBV DNA \<Lower Limit of Quantification \[LLOQ\] (10 IU/mL, target not detected) at Week 48

Time frame
48 weeks

Secondary outcomes

1

Safety and Tolerability

Number of participants with Treatment Emergent Adverse Events (TEAEs), with abnormal 12-lead electrocardiogram readings and abnormal clinical laboratory results.

Time frame
96 Weeks
2

HBV DNA levels

Categorized by HBV DNA ≥ Lower Limit of Quantification \[LLOQ\], HBV DNA \<Lower Limit of Quantification \[LLOQ\] (target detected), and HBV DNA \< Lower Limit of Quantification \[LLOQ\] (target not detected)

Time frame
48 weeks
3

HBV DNA < lower limit of quantification [LLOQ] (target detected or target not detected) [HBeAg positive]

HBV DNA \< Lower Limit of Quantification \[LLOQ\] (target detected or target not detected) at various time points during the first 48 weeks

Time frame
48 weeks
4

HBV DNA < Lower Limit of Quantification [LLOQ] (target not detected) [HBeAg negative]

HBV DNA \< Lower Limit of Quantification \[LLOQ\] (target not detected) at various time points during the first 48 weeks

Time frame
48 weeks

Other outcomes

1

Change in levels of various HBV antigens at various time points from Baseline

Change from baseline in levels of various HBV antigens

Time frame
96 Weeks
2

Histologic, virologic, immunologic and/or PK-related endpoints

Change in intrahepatic viral markers (e.g., HBV nucleic acid and antigen levels), immune cell populations, and inflammation/fibrosis biomarkers

Time frame
96 Weeks

Sponsors and contacts

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