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- 2024-11-3
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试验设计】
Interventional
【试验类型】
Interventional
【介入方式】
·Drug: JNJ-56136379<br>Participants will receive JNJ-56136379 tablet orally.<br>Other Name: JNJ-379
·Drug: Placebo<br>Participants will receive matching placebo tablet orally.
·Drug: NA (ETV or TDF)<br>Participants will receive NA (ETV or TDF) tablet orally as per approved label.
【试验分组】
·Experimental: Part A: Arm 1 (JNJ-56136379) (open label)<br>Participants with hepatitis B virus (HBV) currently not being treated will receive JNJ-56136379 tablet orally for 24 weeks.<br>Intervention: Drug: JNJ-56136379
·Placebo Comparator: Part A: Arm 2 (Placebo+NA [ETV] or [TDF])<br>Participants with HBV currently not being treated will receive matching placebo along with nucleos(t)ide analog (NA) (entecavir [ETV] or tenofovir disoproxil fumarate [TDF]) tablets orally for 24 weeks.<br>Interventions: Drug: Placebo; Drug: NA (ETV or TDF)
·Experimental: Part A: Arm 3 (JNJ-56136379 + NA [ETV or TDF])<br>Participants with HBV currently not being treated will receive JNJ-56136379 along with NA (ETV or TDF) tablet orally for 24 weeks.<br>Interventions: Drug: JNJ-56136379; Drug: NA (ETV or TDF)
·Placebo Comparator: Part A: Arm 4 (Placebo + NA [ETV or TDF])<br>Virologically suppressed participants will receive matching placebo along with NA (ETV or TDF) tablets orally for 24 weeks.<br>Interventions: Drug: Placebo; Drug: NA (ETV or TDF)
·Experimental: Part A: Arm 5 (JNJ-56136379 + NA [ETV or TDF])<br>Virologically suppressed participants will receive JNJ-56136379 along with NA (ETV or TDF) tablets orally for 24 weeks.<br>Interventions: Drug: JNJ-56136379; Drug: NA (ETV or TDF)
·Experimental: Part B: Arm 6 (JNJ-56136379) (open label)<br>Participants with HBV currently not being treated will receive JNJ-56136379 tablet at a high dose (to be decided) orally for 24 weeks.<br>Intervention: Drug: JNJ-56136379
·Placebo Comparator: Part B: Arm 7 (placebo + NA [ETV or TDF])<br>Participants with HBV currently not being treated will receive matching placebo along with NA (ETV or TDF) tablets orally for 24 weeks.<br>Interventions: Drug: Placebo; Drug: NA (ETV or TDF)
·Experimental: Part B: Arm 8 (JNJ-56136379 + NA [ETV or TDF])<br>Participants with HBV currently not being treated will receive JNJ-56136379 tablet at a high dose (to be decided) along with NA (ETV or TDF) tablets orally for 24 weeks.<br>Interventions: Drug: JNJ-56136379; Drug: NA (ETV or TDF)
·Placebo Comparator: Part B: Arm 9 (placebo + NA [ETV or TDF])<br>Virologically suppressed participants will receive matching placebo along with NA (ETV or TDF) tablets orally for 24 weeks.<br>Interventions: Drug: Placebo; Drug: NA (ETV or TDF)
·Experimental: Part B: Arm 10 (JNJ-56136379 + NA [ETV or TDF])<br>Virologically suppressed participants will receive JNJ-56136379 tablet at a high dose (to be decided) along with NA (ETV or TDF) tablets orally for 24 weeks.<br>Interventions: Drug: JNJ-56136379; Drug: NA (ETV or TDF)
【首要治疗终点】
Change From Baseline in Hepatitis B Surface Antigen (HBsAg) Levels at Week 24 [ Time Frame: Baseline and Week 24 ]
Change from baseline in Hepatitis B surface antigen (HBsAg) levels at week 24 will be assessed.
【次要治疗终点】
·Number of Participants With Adverse Events (AEs) [ Time Frame: Up to Follow Up (Week 48) ]<br>An adverse event (AE) is any untoward medical occurrence in a participant who received study drug without regard to possibility of causal relationship.
·Number of Participants With Serious Adverse Events (SAEs) [ Time Frame: Up to Follow Up (Week 48) ]<br>A serious adverse event (SAE) is an AE resulting in any of the following outcomes or deemed significant for any other reason: death; initial or prolonged inpatient hospitalization; life-threatening experience (immediate risk of dying); persistent or significant disability/incapacity; congenital anomaly.
·Number of Participants with Abnormalities in Vital Signs, Physical Examinations, Electrocardiogram (ECG), Clinically Significant Laboratory Findings [ Time Frame: Up to Follow Up (Week 48) ]<br>Number of participants with abnormalities in vital signs, physical examinations, ECG, clinically significant laboratory findings will be assessed.
·Change From Baseline in Hepatitis B Surface Antigen (HBsAg) Levels [ Time Frame: Baseline up to follow up (Week 48) ]<br>Change from baseline in Hepatitis B surface antigen (HBsAg) levels will be assessed.
·Percentage of Participants With HBsAg Levels Less Than (<) 1,000 or <100 IU/mL [ Time Frame: Baseline, Weeks 1, 2, 4, 8, 12, 16, 20, 24, 26, 28, 36 and 48 ]<br>Percentage of participants with HBsAg levels less than (<) 1,000 or <100 International Units Per Milliliter (IU/mL) will be assessed.
·Percentage of Participants With Greater Than (>) 0.5 or >1 log10 IU/mL Reduction in HBsAg From Baseline [ Time Frame: Baseline, Weeks 1, 2, 4, 8, 12, 16, 20, 24, 26, 28, 36 and 48 ]<br>Percentage of participants with >0.5 or >1 log10 IU/mL reduction in HBsAg from baseline will be assessed.
·Change From Baseline in Hepatitis B Virus (HBV) Deoxyribonucleic acid (DNA) Levels [ Time Frame: Baseline up to follow up (Week 48) ]<br>Change from baseline in Hepatitis B virus (HBV) deoxyribonucleic acid (DNA) levels will be assessed.
·Percentage of Participants With Undetectable HBV DNA Levels [ Time Frame: Baseline, Weeks 1, 2, 4, 8, 12, 16, 20, 24, 26, 28, 36 and 48 ]<br>Percentage of participants with undetectable HBV DNA levels will be evaluated.
·Change From Baseline in Hepatitis B E Antigen (HBeAg) Levels [ Time Frame: Baseline up to follow up (Week 48) ]<br>Change from baseline in Hepatitis B E antigen (HBeAg) levels will be assessed.
·Percentage of Participants by HBeAg Levels [ Time Frame: Baseline, Weeks 1, 2, 4, 8, 12, 16, 20, 24, 26, 28, 36 and 48 ]<br>Percentage of participants by HBeAg levels will be evaluated.
·Percentage of Participants With HBsAg or HBeAg Seroclearance [ Time Frame: Baseline, Weeks 1, 2, 4, 8, 12, 16, 20, 24, 26, 28, 36 and 48 ]<br>Percentage of participants with seroclearance (defined as HBsAg or HBeAg negativity, respectively) will be assessed.
·Percentage of Participants With HBsAg or HBeAg Seroconversion [ Time Frame: Baseline, Weeks 1, 2, 4, 8, 12, 16, 20, 24, 26, 28, 36 and 48 ]<br>Percentage of participants with seroconversion (defined as HBsAg or HBeAg negativity and anti-HBs or anti-HBe antibody positivity, respectively) will be assessed.
·Percentage of Participants With Normalized Alanine Aminotransferase (ALT) Levels [ Time Frame: Baseline, Weeks 1, 2, 4, 8, 12, 16, 20, 24, 26, 28, 36 and 48 ]<br>Percentage of participants with normalized alanine aminotransferase (ALT) levels will be assessed whose ALT levers above upper limit of normal at baseline.
·Percentage of Participants With Virological Breakthrough [ Time Frame: Baseline, Weeks 1, 2, 4, 8, 12, 16, 20, and 24 ]<br>Percentage of participants with viral breakthrough defined as confirmed on treatment HBV DNA increase by greater than (>) 1 log10 from nadir level or confirmed on treatment level >200 International Units Per Milliliter (IU/mL) in participants who had HBV DNA level below the lower limit of quantification (LLOQ) of the HBV DNA assay.
·Plasma Concentrations of NA (Entecavir [ETV] or Tenofovir Disoproxil Fumarate [TDF]) [ Time Frame: Baseline, Weeks 1, 2, 4, 8, 12, 20, 24, 26 and 28 ]<br>Plasma concentrations of NA (entecavir [ETV] or tenofovir disoproxil fumarate [TDF]) administered as monotherapy or co-administered with JNJ-56136379, will be determined.
·Plasma Concentrations of JnJ-56136379 [ Time Frame: Baseline, Weeks 1, 2, 4, 8, 12, 20, 24, 26 and 28 ]<br>Plasma concentrations of JNJ-56136379 administered as monotherapy or when co-administered with NA (ETV or TDF), will be determined.
·Percentage of Participants With Treatment-Associated Mutations [ Time Frame: Baseline, Weeks 2, 4, 8, 12, 16, 20, 24, 26, 28, 36 and 48 ]<br>Viral genome sequence analysis will be performed to evaluate emergence of mutations associated with JNJ-56136379 and/or ETV or TDF treatment.
【试验详情】
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