E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
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E.1.1.1 | Medical condition in easily understood language |
chronic liver disease caused by chronic hepatitis B virus infection |
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E.1.1.2 | Therapeutic area | Diseases [C] - Virus Diseases [C02] |
MedDRA Classification |
E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 20.1 |
E.1.2 | Level | PT |
E.1.2 | Classification code | 10008910 |
E.1.2 | Term | Chronic hepatitis B |
E.1.2 | System Organ Class | 10021881 - Infections and infestations |
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E.1.3 | Condition being studied is a rare disease | No |
E.2 Objective of the trial |
E.2.1 | Main objective of the trial |
To evaluate anti-viral effect (functional cure) of treatment with RO7049389 on top of Standard of Care.
Functional cure is defined as HBV DNA < lower limit of quantification (LLOQ, 20 IU/mL) with HBsAg loss (<0.05 international unit/milliliter (IU/mL)) at 24 weeks post-treatment
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E.2.2 | Secondary objectives of the trial |
- To further characterize the efficacy profile of RO7049389 on top of Standard of Care over time, including HBsAg loss, HBsAg seroconversion, quantitative HBsAg change from baseline, HBeAg loss, HBeAg seroconversion, quantitative HBeAg change from baseline, HBV DNA < LLOQ,
HBV DNA change from baseline in different proof of mechanism (POM) cohorts of Part 3 and in subgroups of baseline HBeAg +/- patients, or of baseline high / low HBsAg level patients.
- To characterize the plasma PK profiles of RO7049389 and its metabolites.
- To assess the long-term safety and tolerability of RO7049389 on top of SoC (a NUC with or without Peg-IFN).
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E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
- Adult male and female patients, 18 to 60 years of age, inclusive
- Positive test for HBsAg or HBV DNA or positive HBeAg for more than 6 months prior to screening.
- HbsAg >250 IU/mL at screening
- For Cohorts only enrolling NUC-suppressed CHB patients (e.g., POM Cohort A), patients must qualify for the following criteria: a). Patients treated with a single NUC (entecavir, tenofovir alafenamide, or tenofovir disoproxil fumarate) for ≥12 months. Patients must be on the same NUC therapy for at least 3 months before screening. b). At least one result showed HBV DNA <60 IU/mL at least 6 months prior to screening; and HBV DNA <20 IU/mL at screening by Roche Cobas assay. c). ALT ≤2 x ULN at screening and at Day -1 (can be checked by local lab result).
- For Cohorts only enrolling anti-HBV treatment-naïve and immune-active patients (e.g.,POM Cohort B and Cohort C), patients must qualify for the following criteria: a). Previous anti-HBV treatments for <30 days in total, and did not receive any anti-HBV treatments within 3 months prior to the first study dose. b). HBV DNA at screening ≥2 x 104 IU/mL for HBeAg positive patients, or 2 x 103 IU/mL for HbeAg negative patients. c). ALT at screening between 1–5 x ULN and ALT <5 x ULN at Day -1 (can be checked by local lab result).
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E.4 | Principal exclusion criteria |
- History or other evidence of bleeding from esophageal varices.
- Evidence of liver cirrhosis or decompensated liver disease such as ascites, esophageal or gastric varices, splenomegaly, nodular liver, jaundice, hepatic encephalopathy.
- one or more of the following laboratory abnormalities at screening:
- Total serum bilirubin > ULN (exception Gilbert’s disease)
- International normalized ratio (INR) >1.1 ULN.
- Serum albumin < 3.0 g/dL (<30 g/L).
- Platelet count <140,000 cells/mm3
- Hemoglobin <12 g/dL (females) or <13 g/dL (males).
- White blood cell count <2500 cell/mm3.
- Neutrophil count <1500 cell/mm3 (<1200 cell/mm3 if considered a physiological variant in a patient of African descent).
- Diagnosed or suspected hepatocellular carcinoma as evidenced by screening alpha-fetoprotein (AFP) ≥100 mg/mL. If AFP >ULN, absence of mass/findings suspicious for HCC must be demonstrated by ultrasound or CT or MRI within the screening period.
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E.5 End points |
E.5.1 | Primary end point(s) |
Proportion of patients achieving functional cure (HBV DNA <LLOQ with HBsAg loss at 24 weeks post-treatment) |
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E.5.1.1 | Timepoint(s) of evaluation of this end point |
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E.5.2 | Secondary end point(s) |
Proportion of patients with HBsAg loss, HBsAg seroconversion, HBeAg loss, HBeAg seroconversion. |
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E.5.2.1 | Timepoint(s) of evaluation of this end point |
Week 12, 24, 36 and week 48 during treatment, 24 week post treatment |
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E.6 and E.7 Scope of the trial |
E.6 | Scope of the trial |
E.6.1 | Diagnosis | No |
E.6.2 | Prophylaxis | No |
E.6.3 | Therapy | No |
E.6.4 | Safety | Yes |
E.6.5 | Efficacy | Yes |
E.6.6 | Pharmacokinetic | Yes |
E.6.7 | Pharmacodynamic | No |
E.6.8 | Bioequivalence | No |
E.6.9 | Dose response | No |
E.6.10 | Pharmacogenetic | No |
E.6.11 | Pharmacogenomic | No |
E.6.12 | Pharmacoeconomic | No |
E.6.13 | Others | No |
E.7 | Trial type and phase |
E.7.1 | Human pharmacology (Phase I) | No |
E.7.1.1 | First administration to humans | No |
E.7.1.2 | Bioequivalence study | No |
E.7.1.3 | Other | No |
E.7.1.3.1 | Other trial type description | |
E.7.2 | Therapeutic exploratory (Phase II) | Yes |
E.7.3 | Therapeutic confirmatory (Phase III) | No |
E.7.4 | Therapeutic use (Phase IV) | No |
E.8 Design of the trial |
E.8.1 | Controlled | No |
E.8.1.1 | Randomised | No |
E.8.1.2 | Open | Yes |
E.8.1.3 | Single blind | No |
E.8.1.4 | Double blind | No |
E.8.1.5 | Parallel group | No |
E.8.1.6 | Cross over | No |
E.8.1.7 | Other | Yes |
E.8.1.7.1 | Other trial design description |
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E.8.2 | Comparator of controlled trial |
E.8.2.1 | Other medicinal product(s) | No |
E.8.2.2 | Placebo | No |
E.8.2.3 | Other | No |
E.8.2.4 | Number of treatment arms in the trial | 3 |
E.8.3 |
The trial involves single site in the Member State concerned
| No |
E.8.4 | The trial involves multiple sites in the Member State concerned | Yes |
E.8.4.1 | Number of sites anticipated in Member State concerned | 1 |
E.8.5 | The trial involves multiple Member States | No |
E.8.6 Trial involving sites outside the EEA |
E.8.6.1 | Trial being conducted both within and outside the EEA | Yes |
E.8.6.2 | Trial being conducted completely outside of the EEA | No |
E.8.6.3 | If E.8.6.1 or E.8.6.2 are Yes, specify the regions in which trial sites are planned |
Bulgaria |
Hong Kong |
Korea, Republic of |
New Zealand |
Romania |
Singapore |
Taiwan |
Thailand |
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E.8.7 | Trial has a data monitoring committee | No |
E.8.8 |
Definition of the end of the trial and justification where it is not the last
visit of the last subject undergoing the trial
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The end of the study is defined as the date when the last study subject last observation (LSLO) occurs.
LSLO is expected to occur 24 weeks after the last dose is administered in Part 3. |
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E.8.9 Initial estimate of the duration of the trial |
E.8.9.1 | In the Member State concerned years | 2 |
E.8.9.1 | In the Member State concerned months | |
E.8.9.1 | In the Member State concerned days | |
E.8.9.2 | In all countries concerned by the trial years | 2 |