A Phase 2 interventional study of JNJ-73763989 and JNJ-56136379 in Hepatitis B, sponsored by Janssen Research & Development, LLC. Completed at 10 sites in 9 countries. Open to participants aged 18 Years to 65 Years. Per ClinicalTrials.gov, last updated 2025-05-21.
Sponsored by Janssen Research & Development, LLC · Phase 2, Interventional, and Other
The purpose of this study is to assess changes in intrahepatic hepatitis B surface antigen (HBsAg) between baseline and on-treatment liver biopsy in response to JNJ-3989-based combination treatment.
The title of protocol reflects the original study design. The study design section is reflecting that the design as of protocol amendment 5 is non-randomized.
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Exclusion Criteria:
Ongoing and new participants will receive JNJ-73763989 subcutaneous (SC) injection once every 4 weeks (last injection at Week 44) and nucleos(t)ide analog (NA) treatment (either entecavir \[ETV\], tenofovir disoproxil or tenofovir alafenamide \[TAF\] tablets) once daily up to 48 weeks. Participants may receive optional treatment with pegylated interferon alpha-2a (PegIFN-alpha-2a) after the Week 40 for a duration of either 12 or 24 weeks at the investigator's discretion. As per amendment-5, JNJ-56136379 is no longer included as part of the study intervention and all participants are counted as single arm in each panel.
Drug: JNJ-73763989 · Drug: JNJ-56136379 · Drug: Entecavir (ETV) · Drug: Tenofovir disoproxil · Drug: Tenofovir alafenamide (TAF) · Drug: PegIFN-alpha-2a (Optional)
Ongoing and new participants will receive JNJ-73763989 SC injection once every 4 weeks (last injection at Week 44) and NA treatment (ETV, tenofovir disoproxil or TAF tablets) once daily up to 48 weeks. Participants may receive optional treatment with PegIFN-alpha-2a after the Week 40 for a duration of either 12 or 24 weeks at the investigator's discretion. As per amendment-5, JNJ-56136379 is no longer included as part of the study intervention and all participants are counted as single arm in each panel.
Drug: JNJ-73763989 · Drug: JNJ-56136379 · Drug: Entecavir (ETV) · Drug: Tenofovir disoproxil · Drug: Tenofovir alafenamide (TAF) · Drug: PegIFN-alpha-2a (Optional)
JNJ-73763989 will be administered subcutaneously once every 4 weeks up to Week 44.
JNJ-56136379 tablets will be administered orally once daily up to 48 weeks.
ETV tablet will be administered orally once daily up to 48 weeks as NA treatment.
Tenofovir disoproxil will be administered orally once daily up to 48 weeks as NA treatment.
TAF will be administered orally once daily up to 48 weeks as NA treatment.
PegIFN-alpha-2a injection will be administered subcutaneously once weekly after Week 40 for either 12 or 24 weeks.
Panel 1 and 2: Absolute Change From Baseline in the Percentage of Hepatitis B Surface Antigen (HBsAg) Hepatocytes at Week 40
Absolute change from baseline to on-treatment liver biopsy timepoint (Week 40) in terms of the percentage of HBsAg-positive hepatocytes (at Week 40) were reported.
Time frame: Baseline, Week 40
Panel 3: Liver Concentrations of JNJ-73763989 (JNJ-73763976, JNJ-73763924 and JNJ-87719164 [M65; Deaminated Metabolite of JNJ-73763976]) at Week 12
Liver concentrations of JNJ-73763989 (JNJ-73763976, JNJ-73763924 - Molecules of JNJ-73763989 and JNJ-87719164 \[M65; deaminated metabolite of JNJ-73763976\]) at Week 12 were reported.
Time frame: At Week 12 (at the time of liver biopsy: 24 hours post dose of JNJ-73763989)
Panel 3: Liver Concentrations of JNJ-73763989 (JNJ-73763976, and JNJ-73763924 and JNJ-87719164 [M65; Deaminated Metabolite of JNJ-73763976]) at Week 40
Liver concentrations of JNJ-73763989 (JNJ-73763976, and JNJ-73763924 and JNJ-87719164 \[M65; deaminated metabolite of JNJ-73763976\]) at Week 40 were reported.
Time frame: At Week 40 (at the time of liver biopsy: 24 hours post dose of JNJ-73763989)
Panel 3: Plasma Concentration of JNJ-73763989 (JNJ-73763976, and JNJ-73763924) at Week 12
Plasma concentration of JNJ-73763989 (JNJ-73763976 and JNJ-73763924-molecules of JNJ-73763989) at Week 12 were reported.
Time frame: At Week 12 (at the time of liver biopsy: 24 hours post dose of JNJ-73763989)
Panel 3: Plasma Concentrations of JNJ-73763989 (JNJ-73763976 and JNJ-73763924) at Week 40
Plasma concentrations of JNJ-73763989 (JNJ-73763976 and JNJ-73763924-molecules of JNJ-73763989) at Week 40 were reported.
Time frame: At Week 40 (at the time of liver biopsy: 24 hours post dose of JNJ-73763989)
Panel 3: Correlation of Liver Concentration to Plasma Concentration of JNJ-73763989 (JNJ-73763976 and JNJ-73763924) and Liver Concentration of JNJ-87719164 (M65: Deaminated Metabolite of JNJ-73763976) to Liver Concentration JNJ-73763976 at Week 12
Correlation of liver concentration to plasma concentration of JNJ-73763989 (JNJ-73763976 and JNJ-73763924) and liver concentration of JNJ-87719164 (M65: Deaminated metabolite of JNJ-73763976) to liver concentration JNJ-73763976 at Week 12 were reported.
Time frame: Week 12 (at the time of liver biopsy: 24 hours post dose of JNJ-73763989)
Panel 3: Correlation of Liver to Plasma Concentration of JNJ-73763989 (JNJ-73763976 and JNJ-73763924) and Liver Concentration of JNJ-87719164 (M65: Deaminated Metabolite of JNJ-73763976) to Liver Concentration JNJ-73763976 at Week 40
Correlation of liver concentration to plasma concentration of JNJ-73763989 (JNJ-73763976 and JNJ-73763924) and liver concentration of JNJ-87719164 (M65: Deaminated metabolite of JNJ-73763976) to liver concentration JNJ-73763976 at Week 40 were reported.
Time frame: Week 40 (at the time of liver biopsy: 24 hours post dose of JNJ-73763989)
Panel 1, 2 and 3: Percentage of Participants With Sustained (Reduction) Serum HBsAg Response Per Definition 2 at Follow-up Week 48
Percentage of participants with sustained (reduction) serum HBsAg response per Definition 2 at follow-up Week 48 were reported. Sustained serum HBsAg response per definition 2 was defined as: for participants with a \>1 log decline in HBsAg from baseline at last follow up visit: Among the most recent three visits, the difference between log HBsAg at 2 of 3 last visit and 1 of 3 last visit is \<0.2, and the difference between log HBsAg at 3 of 3 last visit and 1 of 3 last visit is \<0.2.
Time frame: Follow-up Week 48
Panel 1, 2 and 3: Percentage of Participants Who Achieved HBsAg Seroclearance
Percentage of Participants who achieved HBsAg Seroclearance were reported. HBsAg seroclearance was defined as quantitative HBsAg \<LLOQ (\<0.05 IU/mL).
Time frame: Follow-up Week 48
Panel 1, 2 and 3: Percentage of Participants Who Achieved HBeAg Seroclearance
Percentage of Participants who achieved HBeAg Seroclearance were reported. HBeAg seroclearance was defined as (quantitative\] HBeAg \<LLOQ (\<0.11 IU/mL); with HBeAg positive status at baseline and became HBeAg negative post-baseline.
Time frame: Follow-up Week 48
Panel 1 and 2: Change From Baseline in Percentage of Intrahepatic Viral Parameter: Hepatitis B Core Antigen Positive (HBcAg+) Hepatocytes at Week 40
Change from baseline in percentage of intrahepatic viral parameter: HBcAg positive hepatocytes at Week 40 were reported. The percentage of HBcAg positive hepatocytes were derived as number of HBcAg positive hepatocytes\*100 per total number of evaluated hepatocytes.
Time frame: Baseline, Week 40
Panel 1,and 2: Change From Baseline in Percentage of Intrahepatic Viral Parameter: Covalently Closed Circular Deoxyribonucleic Acid Positive (cccDNA+) Hepatocytes at Week 40
Change from baseline in percentage of intrahepatic viral parameter: cccDNA positive hepatocytes were reported. The percentage of cccDNA-positive hepatocytes, were derived as number of cccDNA positive hepatocytes\*100 per total number of evaluated hepatocytes.
Time frame: Baseline, Week 40
Panel 1 and 2: Change From Baseline in Percentage of Intrahepatic Viral Parameter: HBsAg Positive (HBsAg+) Hepatocytes at Week 40
Change from baseline in percentage of intrahepatic viral parameter: HBsAg positive hepatocytes at Week 40 were reported. The percentage of HBsAg positive hepatocytes were derived as number of HBsAg positive hepatocytes \* 100 per total number of evaluated hepatocytes.
Time frame: Baseline, Week 40
Panel 1 and 2: Change From Baseline in Percentage of Intrahepatic Viral Parameter: Pre-genomic Ribonucleic Acid Positive (pgRNA+) Hepatocytes at Week 40
Change from baseline in percentage of intrahepatic viral Parameter: pgRNA positive hepatocytes at Week 40 were reported. The percentage of pgRNA-positive hepatocytes, were derived as number of pgRNA positive hepatocytes\*100 per total number of evaluated hepatocytes.
Time frame: Baseline, Week 40
Panel 1 and 2: Change From Baseline in Transcriptional Activity (Ratio of pg RNA/cccDNA) at Week 40
Change from baseline in transcriptional activity (ratio of pgRNA/cccDNA) at Week 40 were reported.
Time frame: Baseline, Week 40
Panel 1, 2: Change From Baseline in Percentage of Intrahepatic Viral Parameter: Silent Infected Hepatocytes at Week 40
Change from baseline in percentage of intrahepatic viral parameter: silent infected hepatocytes (that is infected hepatocytes without HBV transcription; cccDNA-positive/HBV RNA-negative hepatocytes) at Week 40 were reported. The percentage of silent infected hepatocytes (SIH), were derived as number of silent infected hepatocytes\*100 per total number of evaluated hepatocytes.
Time frame: Baseline, Week 40
Panel 1, 2 and 3: Percentage of Participants With HBsAg Seroclearance at Week 72 Without Restarting Nucleos(t)Ide Analog (NA) Treatment
Percentage of participants with HBsAg seroclearance (defined as HBsAg \< LLOQ: 0.05 IU/mL) at Week 72 without restarting NA treatment were reported.
Time frame: At Week 72 (24 weeks after completion of all study drugs at Week 48)
Panel 1, 2 and 3: Percentage of Participants With Sustained (Reduction) Serum HBsAg Response Per Definition 1 at Follow-up Week 48
Percentage of participants with sustained (reduction) serum HBsAg response per Definition 1 at follow-up Week 48 were reported. Sustained serum HBsAg response per definition 1 was defined as: for participants with data for last follow-up visit (Follow-up Week 48 for participants who did not receive PegIFN-alpha2a or received PegIFN-alpha2a and did not meet NA completion criteria, and last Follow-up visit for participants who received PegIFN-alpha2a and stopped NA during Follow-up): participants who had a \>1 log decline in HBsAg response at last scheduled follow-up visit and had an HBsAg \<1000 IU/mL at last scheduled follow-up visit, or for participants without data at last follow-up visit: HBsAg values had a \>2 log decline at second most recent visit or \>1.5 log decline at latest visit (most recent value used) compared to baseline and had an HBsAg \<1000 IU/mL at last available timepoint.
Time frame: Follow-up Week 48
Panel 1, 2 and 3: Percentage of Participants With Sustained (Reduction) Serum HBsAg Response Per Definition 3 at Follow-up Week 48
Percentage of participants with sustained (reduction) serum HBsAg response per Definition 3 at follow-up Week 48 were reported. Sustained serum HBsAg response per definition 3 for participants with a \>1 log decline in HBsAg from baseline at last follow up visit: Among the most recent three visits, the difference between log HBsAg at 2 of 3 last visit and 1 of 3 last visit is \<0.2, and the difference between log HBsAg at 3 of 3 last visit and 1 of 3 last visit is \<0.2 and have an HBsAg \<1000 IU/mL at the last available timepoint.
Time frame: From follow-up Week 24 up to follow-up Week 48
Panel 1, 2 and 3: Percentage of Participants With Sustained (Reduction) Serum HBsAg Response Per Definition 4 at Follow-up Week 48
Percentage of participants with sustained (reduction) serum HBsAg response per definition 4 follow-up Week 48 were reported. Sustained serum HBsAg response per definition 4 were classified into 3 categories with respect to the difference between HBsAg level at the last Follow-up timepoint and end of treatment: Increase: \>+0.2 log10 IU/mL , stable: within plus or minus (+/-) 0.2 log10 IU/mL, and decrease: \>-0.2 log10 IU/mL.
Time frame: Follow-up Week 48
Panel 1, 2 and 3: Percentage of Participants Who Achieved HBsAg Seroconversion
Seroconversion of HBsAg was defined as having achieved HBsAg seroclearance (defined as quantitative HBsAg \<LLOQ \[\<0.05 IU/mL\]) and appearance of anti-HBs antibodies (defined as a baseline anti-HBs antibodies \[quantitative\] \<LLOQ \[\<5 milli-international units per milliliter {mIU/mL}\] and a post-baseline assessment \>=LLOQ \[\>=5 mIU/mL\]).
Time frame: From baseline (Day 1) up to follow-up Week 48
Panel 1, 2 and 3: Percentage of Participants Who Achieved HBeAg Seroconversion
Percentage of participants who achieved HBeAg seroconversion were reported. Seroconversion of HBeAg was defined as having achieved HBeAg seroclearance (defined as \[quantitative\] HBeAg \<LLOQ \[\<0.11 IU/mL\]; with HBeAg positive status at baseline and became HBeAg negative post-baseline) together with appearance of anti-HBe antibodies (defined as a baseline anti-HBe antibodies \[qualitative\] with a "negative" result and a post-baseline assessment with "positive" result).
Time frame: From baseline (Day 1) up to follow-up Week 48
Panel 1, 2 and 3: Percentage of Participants With Off-treatment Virologic Flares Per Derivation 1
Virologic flare (VF) per derivation 1 was defined only for participants who were off-treatment (period after stopping all study drugs, including NA) and who had HBV DNA\<LLOQ (\<20 IU/mL) at last observed point on-treatment \[OT\]); start date of confirmed VF was first date of 2 consecutive visits with HBV DNA \>200 IU/mL. End date of same confirmed VF was first date when HBV DNA value returns to \<=200 IU/mL or date of NA restart, whichever comes first. Each virologic flare were categorized based on confirmed (that is, 2 consecutive values) peak HBV DNA above any of 3 thresholds within the start and end date of that flare as followed: 20,000 IU/mL, 2,000 IU/mL, and 200 IU/mL. Participants were counted only once for any given flare, regardless of the number of times they actually experienced the flare.
Time frame: From baseline (Day 1) up to follow-up Week 48
Panel 1, 2 and 3: Percentage of Participants With Off-treatment and On-treatment Biochemical Flares
Off-treatment (time period after stopping all study drugs \[including NA\]) biochemical flare was defined as first date of 2 consecutive visits with ALT and/or AST \>=3\*ULN and \>=3\*nadir (lowest value observed up to start of flare) while participant received no study drugs. End date of same off-treatment biochemical flare was defined as first date with 50 percentage (%) reduction from peak ALT and/or AST level \& \<3\*ULN. On-treatment (time period during which the participant received any of study drugs) biochemical flare was defined as first date of 2 consecutive visits with ALT and/or AST \>=3\*ULN and \>=3\*nadir (lowest value observed up to start of flare) while participant was on-treatment. End date of same on-treatment biochemical flare was defined as first date with a 50% reduction from the peak ALT and/or AST level and \<3\*ULN, regardless of stopping study drugs. Participants were counted only once for any given flare, regardless of the number of times they actually experienced flare.
Time frame: From baseline (Day 1) up to follow-up Week 48
Panel 1, 2 and 3: Percentage of Participants With Off-treatment Clinical Flares
Percentage of participants with off-treatment clinical flares were reported. Clinical flares occurred either when a virologic flare and biochemical flare overlapped in time or when a biochemical flare started within 4 weeks following the end of a virologic flare. Off-treatment was defined as the time period after stopping all study drugs (including NA). The start date of a clinical flare was the minimum start date of the virologic flare and biochemical flare. The end date of a clinical flare was the maximum end date of the virologic flare and biochemical flare, that is, the later date between HBV DNA returned to \<=200 IU/mL (or \<=1 log10) and 50 %reduction from the peak ALT and/or AST level and \<3\*ULN reached during the biochemical flare. Participants were counted only once for any given flare, regardless of the number of times they actually experienced the flare.
Time frame: From baseline (Day 1) up to follow-up Week 48
Panel 1, 2 and 3: Time to First Occurence of HBsAg Seroclearance
Time to first occurrence of HBsAg seroclearance (defined as quantitative HBsAg \<LLOQ \[\<0.05 IU/mL\]) were reported. Time to first occurrence of HBsAg seroclearance was defined as the number of days between the date of first study intervention intake and the date of the first occurrence of the HBsAg seroclearance. Participants who withdrew early from the study before achieving HBsAg seroclearance or who did not achieve HBsAg seroclearance were censored at the last available HBsAg assessment. Kaplan-Meier method was used for the estimation.
Time frame: From baseline (Day 1) up to follow-up Week 48
Panel 1, 2 and 3: Percentage of Participants With Virologic Breakthrough
Percentage of participants with virologic breakthrough on treatment were reported. Virological breakthrough was defined as having a confirmed on-treatment HBV DNA increase by \>1 log10 IU/mL from nadir level (lowest level reached during treatment) in participants who did not have on-treatment HBV DNA level \< LLOQ (\<20 IU/mL) or confirmed on-treatment HBV DNA level \>200 IU/mL in participants who had on-treatment HBV DNA level \<LLOQ (\<20 IU/mL) of the HBV DNA assay. Confirmed HBV DNA increase/level means that the criterion should be fulfilled at 2 or more consecutive time points or at the last observed on-treatment time point. On treatment was defined as the time period in which the participant received any of the study interventions (JNJ-3989 and/or JNJ 6379 and/or NA and/or PegIFN-alpha2a).
Time frame: From baseline (Day 1) up to follow-up Week 48
Panel 1, 2 and 3: Percentage of Participants With Treatment Emergent Adverse Events (TEAEs) and Treatment Emergent Serious Adverse Events (TESAEs)
Percentage of participants with TEAES (including serious and non-serious) and TESAEs were reported. An AE was any untoward medical occurrence in a clinical study participant administered a medicinal (investigational or non-investigational) product. An AE does not necessarily have a causal relationship with the intervention. Any AE occurring at or after the initial administration of study intervention was considered to be treatment emergent. A 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.
Time frame: Open-label: Day 1 (Week 1) up to Week 48; Follow-up Phase: Follow-up Week 1 up to follow-up Week 48
Panel 1, 2 and 3: Number of Participants With HBV-Specific Peripheral Blood T-cell Responses
Number of participants with HBV-specific peripheral blood T-cell responses were reported. HBV-specific T-cells were characterized in peripheral blood mononuclear cell immune analysis by binding assays (multimer staining) combined with downstream T-cell responses and transcriptome profiling.
Time frame: Open-label: Weeks 40, 44, and 48; Follow-up Phase: Follow-up Weeks 2, 12 and 24
Panel 1, 2 and 3: Percentage of Participants With Worst (Grade 3 and 4) Treatment-emergent Division of Acquired Immunodeficiency Syndrome (DAIDS) Toxicity Grade in Clinical Laboratory Tests
Clinical laboratory test parameters were Hematology : absolute neutrophil count (ANC); Chemistry : alanine aminotransferase (ALT) and serum glutamic pyruvic transaminase (SGPT), aspartate aminotransferase(AST) or serum glutamic oxaloacetic transaminase (SGOT), amylase (pancreatic and total), creatinine Kinase, creatinine, low-density lipoprotein (LDL), lipase, estimated glomerular filtration rate (eGFR) on serum creatinine (Cr). DAIDS toxicity grades were Grade 1 (Mild), Grade 2 (Moderate), Grade 3 (Severe), Grade 4 (Potentially Life-Threatening). Percentage of participants with treatment-emergent DAIDS toxicity Grade 3 or 4 were reported in this outcome measure. For toxicity grades, treatment-emergent was concluded if the postbaseline grade was worse than the baseline grade. Only those abnormality categories in which at least one participant had data were reported.
Time frame: Open-label: Day 1 (Week 1) up to Week 48; Follow-up Phase: Follow-up Week 1 up to follow-up Week 48
Panel 1, 2 and 3: Percentage of Participants With Worst (Abnormally Low/High)Treatment-emergent DAIDS Toxicity Grade in Electrocardiogram (ECG)
ECG parameters included ECG mean heart rate (HR)(beats per minute\[bpm\]), Pulse rate (PR) interval (milliseconds \[ms\]), QRS duration (ms) and QTc Corrected (Fridericia's formula QTcF). Abnormalities were graded as follows: ECG mean heart rate (abnormally low HR \<45 bpm) and (abnormally high HR\>=120 bpm); PR interval (abnormally high \>220 ms) and QPRS (abnormally high \>=120 ms); OT interval corrected for heart rate according to Fridericia (QTcF); borderline prolonged (BRD Pr )QTc (\>=450 to \<=480 ms), prolonged QTc (\>=480 to \<=500 ms)and pathologically prolonged QTc (\>500 ms). For worst abnormality, treatment-emergent was concluded if the abnormality worsened as compared to the abnormality at baseline: abnormally high to abnormally low and vice-versa. Only those abnormality categories in which at least one participant had data were reported.
Time frame: Open-label: Day 1 (Week 1) up to Week 48; Follow-up Phase: Follow-up Week 1 up to follow-up Week 48
Panel 1, 2 and 3: Percentage of Participants With Worst (Abnormally Low/High) Treatment-emergent DAIDS Toxicity Grade in Vital Signs
Percentage of participants with worst treatment-emergent DAIDS toxicity grade in vital signs were reported. Abnormality grades were: pulse rate (abnormally low \<=45 bpm) and (abnormally high \>=120 bpm). An assessment was treatment-emergent if abnormality worsened as compared to the abnormality at baseline: from abnormally high to abnormally low and vice-versa. Only the category (pulse rate) in which at least one participant had data were reported.
Time frame: Open-label: Day 1 (Week 1) up to Week 48; Follow-up Phase: Follow-up Week 1 up to follow-up Week 48
Panel 1, 2 and 3: Number of Participants With Clinically Significant Treatment-emergent Abnormalities in Physical Examination
Number of participants with clinically significant treatment-emergent abnormalities in physical examination were reported. Physical examination included head/neck/thyroid, eyes/ears/nose/throat, respiratory, cardiovascular, lymph nodes, abdomen, skin, musculoskeletal, and neurological examinations.
Time frame: Open-label: Day 1 (Week 1) up to Week 48; Follow-up Phase: Follow-up Week 1 up to follow-up Week 48
Panel 2 and 3: Plasma Trough Concentration (C[0hour]) of JNJ-73763989 (JNJ-73763976, JNJ-73763924)
Plasma trough concentration (C\[0hour\]) of JNJ-73763989 (JNJ-73763976, JNJ-73763924) were reported. C0h was the pre-dose plasma concentration of the JNJ-73763989 (JNJ-73763976, JNJ-73763924). Non-compartmental analysis were conducted to analyze plasma concentration of JNJ-73763989 and its molecules.
Time frame: Week 4 : Pre-dose on Day 29
Panel 2: Maximum Observed Plasma Concentration (Cmax) of JNJ-73763989 (JNJ-73763976, JNJ-73763924)
Maximum observed plasma concentration (Cmax) of JNJ-73763989 (JNJ-73763976, JNJ-73763924) were reported. Non-compartmental analysis were conducted to analyze Cmax JNJ-73763989 and its molecules.
Time frame: Week 4 (Day 29): Pre-dose and 15 minutes, 30 minutes, 1, 2, 3, 4, 6, 8, 10 and 24 hours post dose
Panel 3: Maximum Observed Plasma Concentration (Cmax) of JNJ-73763989 (JNJ-73763976, JNJ-73763924)
Maximum observed plasma concentration (Cmax) of JNJ-73763989 (JNJ-73763976, JNJ-73763924) were reported. Non-compartmental analysis were conducted to analyze Cmax JNJ-73763989 and its molecules.
Time frame: Week 4 (Day 29): Pre-dose and 15 minutes, 30 minutes, 1, 2, 3, 4, 6, 8, 10 and 24 hours post dose
Panel 2 and 3: Minimum Observed Plasma Concentration (Cmin) of JNJ-73763989 (JNJ-73763976, JNJ-73763924)
Minimum observed plasma concentration (Cmin) of JNJ-73763989 (JNJ-73763976, JNJ-73763924) were reported. Non-compartmental analysis were conducted to analyze Cmin of JNJ-73763989 and its molecules
Time frame: Week 4 (Day 29): Pre-dose and 15 minutes, 30 minutes, 1, 2, 3, 4, 6, 8, 10 and 24 hours post dose
Panel 2: Time to Reach the Maximum Observed Plasma Concentration (Tmax) of JNJ-73763989 (JNJ-73763976,JNJ-73763924)
Time to reach the maximum observed plasma concentration (tmax) of JNJ-73763989 (JNJ-73763976, JNJ-73763924) were reported. Non-compartmental analysis were conducted to analyze tmax of JNJ-73763989 and its molecules.
Time frame: Week 4 (Day 29): Post dose (15 minutes, 30 minutes, 1, 2, 3, 4, 6, and 24 hours)
Panel 3:Time to Reach the Maximum Observed Plasma Concentration (Tmax) of JNJ-73763989 (JNJ-73763976, JNJ-73763924)
Time to reach the maximum observed plasma concentration (tmax) of JNJ-73763989 (JNJ-73763976, JNJ-73763924) were reported. Non-compartmental analysis were conducted to analyze tmax of JNJ-73763989 and its molecules.
Time frame: Week 4 (Day 29): Post dose (15 minutes, 30 minutes, 1, 2, 3, 4, 6, and 24 hours)
Panel 2: Area Under the Plasma Concentration-time Curve From Time Zero to 24hours (AUC0 to 24h) of JNJ-73763989 (JNJ-73763976, JNJ-73763924)
Area under the plasma concentration-time curve from time zero to 24hours (AUC0 to 24h) of JNJ-73763989 (JNJ-73763976, JNJ-73763924) were reported. Non-compartmental analysis were conducted to analyze AUC0 to 24h of JNJ-73763989 and its molecules.
Time frame: Week 4 (Day 29): Pre-dose and 15 minutes, 30 minutes, 1, 2, 3, 4, 6, 8, 10 and 24 hours post dose
Panel 3: Area Under the Plasma Concentration-time Curve From Time Zero to 24hours (AUC0 to 24h) of JNJ-73763989 (JNJ-73763976, JNJ-73763924)
Area under the plasma concentration-time curve from time zero to 24hours (AUC0 to 24h) of JNJ-73763989 (JNJ-73763976, JNJ-73763924) were reported. Non-compartmental analysis were conducted to analyze AUC0 to 24h of JNJ-73763989 and its molecules.
Time frame: Week 4 (Day 29): Pre-dose and 15 minutes, 30 minutes, 1, 2, 3, 4, 6, 8, 10 and 24 hours post dose
Study consisted of 3 Panels (1, 2 and 3). Panel 1: participants with hepatitis B (HB) e antigen (HBeAg) positive and not treated. Panel 2: participants with HBeAg negative and virologically suppressed by entecavir (ETV), tenofovir disoproxil (TD), or tenofovir alafenamide (TAF) treatment. Panel 3: participants with HBeAg positive or negative who were either not treated or virologically suppressed by ETV or TD treatment.
| Milestone | Panel 1 | Panel 2 | Panel 3 |
|---|---|---|---|
| Started | 10 | 10 | 4 |
| Completed | 10 | 10 | 4 |
| Not completed | 0 | 0 | 0 |
| Milestone | Panel 1 | Panel 2 | Panel 3 |
|---|---|---|---|
| Started | 10 | 10 | 4 |
| Completed | 8 | 10 | 4 |
| Not completed | 2 | 0 | 0 |
| Withdrew: Lost to follow-up | 1 | 0 | 0 |
| Withdrew: Withdrawal by subject | 1 | 0 | 0 |
Absolute change from baseline to on-treatment liver biopsy timepoint (Week 40) in terms of the percentage of HBsAg-positive hepatocytes (at Week 40) were reported.
| percentage of HBsAg hepatocytes | Panel 1 | Panel 2 |
|---|---|---|
| Panel 1 and 2: Absolute Change From Baseline in the Percentage of Hepatitis B Surface Antigen (HBsAg) Hepatocytes at Week 40 | -78.46 (-94.078 to -42.936) | -5.68 (-15.846 to -0.885) |
Liver concentrations of JNJ-73763989 (JNJ-73763976, JNJ-73763924 - Molecules of JNJ-73763989 and JNJ-87719164 \[M65; deaminated metabolite of JNJ-73763976\]) at Week 12 were reported.
| nanograms per gram (ng/g) | Panel 3 |
|---|---|
| JNJ-73763976 | 3550.00 ± 1674.714 |
| JNJ-73763924 | 87300.00 ± 31712.668 |
| M65 | 66175.00 ± 26000.817 |
Liver concentrations of JNJ-73763989 (JNJ-73763976, and JNJ-73763924 and JNJ-87719164 \[M65; deaminated metabolite of JNJ-73763976\]) at Week 40 were reported.
| ng/g | Panel 3 |
|---|---|
| JNJ-73763976 | 5883.33 ± 2147.145 |
| JNJ-73763924 | 208666.67 ± 66860.551 |
| M65 | 133800.00 ± 50615.413 |
Plasma concentration of JNJ-73763989 (JNJ-73763976 and JNJ-73763924-molecules of JNJ-73763989) at Week 12 were reported.
| nanograms per milliliters (ng/mL) | Panel 3 |
|---|---|
| JNJ-73763976 | 254.70 ± 123.841 |
| JNJ-73763924 | 36.18 ± 22.667 |
Plasma concentrations of JNJ-73763989 (JNJ-73763976 and JNJ-73763924-molecules of JNJ-73763989) at Week 40 were reported.
| ng/mL | Panel 3 |
|---|---|
| JNJ-73763976 | 530.97 ± 176.408 |
| JNJ-73763924 | 74.87 ± 12.788 |
Correlation of liver concentration to plasma concentration of JNJ-73763989 (JNJ-73763976 and JNJ-73763924) and liver concentration of JNJ-87719164 (M65: Deaminated metabolite of JNJ-73763976) to liver concentration JNJ-73763976 at Week 12 were reported.
| ratio | Panel 3 |
|---|---|
| JNJ-73763976 (liver to plasma concentration) | 14.51 ± 4.725 |
| JNJ-73763924 (liver to plasma concentration) | 2844.26 ± 1265.202 |
| M65 to JNJ-73763976 (liver to liver concentration) | 19.47 ± 3.267 |
Correlation of liver concentration to plasma concentration of JNJ-73763989 (JNJ-73763976 and JNJ-73763924) and liver concentration of JNJ-87719164 (M65: Deaminated metabolite of JNJ-73763976) to liver concentration JNJ-73763976 at Week 40 were reported.
| ratio | Panel 3 |
|---|---|
| JNJ-73763976 (liver to plasma concentration) | 12.67 ± 7.269 |
| JNJ-73763924 (liver to plasma concentration) | 2847.66 ± 1034.033 |
| M65 to JNJ-73763976 (liver to liver concentration) | 22.65 ± 1.407 |
Percentage of participants with sustained (reduction) serum HBsAg response per Definition 2 at follow-up Week 48 were reported. Sustained serum HBsAg response per definition 2 was defined as: for participants with a \>1 log decline in HBsAg from baseline at last follow up visit: Among the most recent three visits, the difference between log HBsAg at 2 of 3 last visit and 1 of 3 last visit is \<0.2, and the difference between log HBsAg at 3 of 3 last visit and 1 of 3 last visit is \<0.2.
| Percentage of participants | FU Phase: Panel 1 | FU Phase: Panel 2 | FU Phase: Panel 3 |
|---|---|---|---|
| Panel 1, 2 and 3: Percentage of Participants With Sustained (Reduction) Serum HBsAg Response Per Definition 2 at Follow-up Week 48 | 50.0 (23.97 to 76.03) | 42.9 (16.96 to 72.14) | 50.0 (5.13 to 94.87) |
Percentage of Participants who achieved HBsAg Seroclearance were reported. HBsAg seroclearance was defined as quantitative HBsAg \<LLOQ (\<0.05 IU/mL).
| percentage of participants | FU Phase: Panel 1 | FU Phase: Panel 2 | FU Phase: Panel 3 |
|---|---|---|---|
| Panel 1, 2 and 3: Percentage of Participants Who Achieved HBsAg Seroclearance | 25.0 | 20.0 | 0 |
Percentage of Participants who achieved HBeAg Seroclearance were reported. HBeAg seroclearance was defined as (quantitative\] HBeAg \<LLOQ (\<0.11 IU/mL); with HBeAg positive status at baseline and became HBeAg negative post-baseline.
| percentage of participants | FU Phase: Panel 1 | FU Phase: Panel 2 | FU Phase: Panel 3 |
|---|---|---|---|
| Panel 1, 2 and 3: Percentage of Participants Who Achieved HBeAg Seroclearance | 37.5 | — | 50.0 |
Change from baseline in percentage of intrahepatic viral parameter: HBcAg positive hepatocytes at Week 40 were reported. The percentage of HBcAg positive hepatocytes were derived as number of HBcAg positive hepatocytes\*100 per total number of evaluated hepatocytes.
| percent change in HBcAg+ Hepatocytes | Panel 1 | Panel 2 |
|---|---|---|
| Panel 1 and 2: Change From Baseline in Percentage of Intrahepatic Viral Parameter: Hepatitis B Core Antigen Positive (HBcAg+) Hepatocytes at Week 40 | -54.49 (-87.02 to -42.26) | 0.03 (0.00 to 0.04) |
Change from baseline in percentage of intrahepatic viral parameter: cccDNA positive hepatocytes were reported. The percentage of cccDNA-positive hepatocytes, were derived as number of cccDNA positive hepatocytes\*100 per total number of evaluated hepatocytes.
| percent change in cccDNA+ hepatocytes | Panel 1 | Panel 2 |
|---|---|---|
| Panel 1,and 2: Change From Baseline in Percentage of Intrahepatic Viral Parameter: Covalently Closed Circular Deoxyribonucleic Acid Positive (cccDNA+) Hepatocytes at Week 40 | -4.50 (-40.88 to 12.97) | -2.40 (-22.84 to 7.57) |
Change from baseline in percentage of intrahepatic viral parameter: HBsAg positive hepatocytes at Week 40 were reported. The percentage of HBsAg positive hepatocytes were derived as number of HBsAg positive hepatocytes \* 100 per total number of evaluated hepatocytes.
| percent change in HBsAg+ hepatocytes | Panel 1 | Panel 2 |
|---|---|---|
| Panel 1 and 2: Change From Baseline in Percentage of Intrahepatic Viral Parameter: HBsAg Positive (HBsAg+) Hepatocytes at Week 40 | -92.38 (-95.65 to -73.37) | -14.19 (-21.11 to -7.01) |
Change from baseline in percentage of intrahepatic viral Parameter: pgRNA positive hepatocytes at Week 40 were reported. The percentage of pgRNA-positive hepatocytes, were derived as number of pgRNA positive hepatocytes\*100 per total number of evaluated hepatocytes.
| percent change in pgRNA+ hepatocytes | Panel 1 | Panel 2 |
|---|---|---|
| Panel 1 and 2: Change From Baseline in Percentage of Intrahepatic Viral Parameter: Pre-genomic Ribonucleic Acid Positive (pgRNA+) Hepatocytes at Week 40 | -81.23 (-86.19 to -74.14) | -6.74 (-15.81 to -2.01) |
Change from baseline in transcriptional activity (ratio of pgRNA/cccDNA) at Week 40 were reported.
| ratio | Panel 1 | Panel 2 |
|---|---|---|
| Panel 1 and 2: Change From Baseline in Transcriptional Activity (Ratio of pg RNA/cccDNA) at Week 40 | 50.00 (49.07 to 58.83) | 8.86 (-3.03 to 27.45) |
Change from baseline in percentage of intrahepatic viral parameter: silent infected hepatocytes (that is infected hepatocytes without HBV transcription; cccDNA-positive/HBV RNA-negative hepatocytes) at Week 40 were reported. The percentage of silent infected hepatocytes (SIH), were derived as number of silent infected hepatocytes\*100 per total number of evaluated hepatocytes.
| percent change in SIH | Panel 1 | Panel 2 |
|---|---|---|
| Panel 1, 2: Change From Baseline in Percentage of Intrahepatic Viral Parameter: Silent Infected Hepatocytes at Week 40 | 25.06 (21.40 to 31.63) | 2.88 (-14.74 to 8.80) |
Percentage of participants with HBsAg seroclearance (defined as HBsAg \< LLOQ: 0.05 IU/mL) at Week 72 without restarting NA treatment were reported.
| Percentage of participants | FU Phase: Panel 1 | FU Phase: Panel 2 | FU Phase: Panel 3 |
|---|---|---|---|
| Panel 1, 2 and 3: Percentage of Participants With HBsAg Seroclearance at Week 72 Without Restarting Nucleos(t)Ide Analog (NA) Treatment | 0 | 1 | 0 |
Percentage of participants with sustained (reduction) serum HBsAg response per Definition 1 at follow-up Week 48 were reported. Sustained serum HBsAg response per definition 1 was defined as: for participants with data for last follow-up visit (Follow-up Week 48 for participants who did not receive PegIFN-alpha2a or received PegIFN-alpha2a and did not meet NA completion criteria, and last Follow-up visit for participants who received PegIFN-alpha2a and stopped NA during Follow-up): participants who had a \>1 log decline in HBsAg response at last scheduled follow-up visit and had an HBsAg \<1000 IU/mL at last scheduled follow-up visit, or for participants without data at last follow-up visit: HBsAg values had a \>2 log decline at second most recent visit or \>1.5 log decline at latest visit (most recent value used) compared to baseline and had an HBsAg \<1000 IU/mL at last available timepoint.
| Percentage of participants | FU Phase: Panel 1 | FU Phase: Panel 2 | FU Phase: Panel 3 |
|---|---|---|---|
| Panel 1, 2 and 3: Percentage of Participants With Sustained (Reduction) Serum HBsAg Response Per Definition 1 at Follow-up Week 48 | 50.0 (26.73 to 73.27) | 70.0 (44.83 to 88.42) | 50.0 (14.26 to 85.74) |
Percentage of participants with sustained (reduction) serum HBsAg response per Definition 3 at follow-up Week 48 were reported. Sustained serum HBsAg response per definition 3 for participants with a \>1 log decline in HBsAg from baseline at last follow up visit: Among the most recent three visits, the difference between log HBsAg at 2 of 3 last visit and 1 of 3 last visit is \<0.2, and the difference between log HBsAg at 3 of 3 last visit and 1 of 3 last visit is \<0.2 and have an HBsAg \<1000 IU/mL at the last available timepoint.
| Percentage of participants | FU Phase: Panel 1 | FU Phase: Panel 2 | FU Phase: Panel 3 |
|---|---|---|---|
| Panel 1, 2 and 3: Percentage of Participants With Sustained (Reduction) Serum HBsAg Response Per Definition 3 at Follow-up Week 48 | 25.0 (6.86 to 53.82) | 42.9 (16.96 to 72.14) | 50.0 (5.13 to 94.87) |
Percentage of participants with sustained (reduction) serum HBsAg response per definition 4 follow-up Week 48 were reported. Sustained serum HBsAg response per definition 4 were classified into 3 categories with respect to the difference between HBsAg level at the last Follow-up timepoint and end of treatment: Increase: \>+0.2 log10 IU/mL , stable: within plus or minus (+/-) 0.2 log10 IU/mL, and decrease: \>-0.2 log10 IU/mL.
| Percentage of participants | FU Phase: Panel 1 | FU Phase: Panel 2 | FU Phase: Panel 3 |
|---|---|---|---|
| Stable: Within +/-0.2 log10 | 11.1 | 0 | 0 |
| Decrease: > -0.2 log10 IU/mL | 22.2 | 30.0 | 25.0 |
| Increase: > +0.2 log10 IU/mL | 66.7 | 70.0 | 75.0 |
Seroconversion of HBsAg was defined as having achieved HBsAg seroclearance (defined as quantitative HBsAg \<LLOQ \[\<0.05 IU/mL\]) and appearance of anti-HBs antibodies (defined as a baseline anti-HBs antibodies \[quantitative\] \<LLOQ \[\<5 milli-international units per milliliter {mIU/mL}\] and a post-baseline assessment \>=LLOQ \[\>=5 mIU/mL\]).
| Percentage of participants | Panel 1 | Panel 2 | Panel 3 |
|---|---|---|---|
| Panel 1, 2 and 3: Percentage of Participants Who Achieved HBsAg Seroconversion | 28.6 | 11.1 | 0 |
Percentage of participants who achieved HBeAg seroconversion were reported. Seroconversion of HBeAg was defined as having achieved HBeAg seroclearance (defined as \[quantitative\] HBeAg \<LLOQ \[\<0.11 IU/mL\]; with HBeAg positive status at baseline and became HBeAg negative post-baseline) together with appearance of anti-HBe antibodies (defined as a baseline anti-HBe antibodies \[qualitative\] with a "negative" result and a post-baseline assessment with "positive" result).
| Percentage of participants | Panel 1 | Panel 2 | Panel 3 |
|---|---|---|---|
| Panel 1, 2 and 3: Percentage of Participants Who Achieved HBeAg Seroconversion | 28.6 | — | 50.0 |
Virologic flare (VF) per derivation 1 was defined only for participants who were off-treatment (period after stopping all study drugs, including NA) and who had HBV DNA\<LLOQ (\<20 IU/mL) at last observed point on-treatment \[OT\]); start date of confirmed VF was first date of 2 consecutive visits with HBV DNA \>200 IU/mL. End date of same confirmed VF was first date when HBV DNA value returns to \<=200 IU/mL or date of NA restart, whichever comes first. Each virologic flare were categorized based on confirmed (that is, 2 consecutive values) peak HBV DNA above any of 3 thresholds within the start and end date of that flare as followed: 20,000 IU/mL, 2,000 IU/mL, and 200 IU/mL. Participants were counted only once for any given flare, regardless of the number of times they actually experienced the flare.
| percentage of participants | Panel 1 | Panel 2 | Panel 3 |
|---|---|---|---|
| HBV DNA > 200 IU/mL | — | 0 | 0 |
| HBV DNA > 2,000 IU/mL | — | 33.3 | 0 |
| HBV DNA > 20,000 IU/mL | — | 0 | 50.0 |
Off-treatment (time period after stopping all study drugs \[including NA\]) biochemical flare was defined as first date of 2 consecutive visits with ALT and/or AST \>=3\*ULN and \>=3\*nadir (lowest value observed up to start of flare) while participant received no study drugs. End date of same off-treatment biochemical flare was defined as first date with 50 percentage (%) reduction from peak ALT and/or AST level \& \<3\*ULN. On-treatment (time period during which the participant received any of study drugs) biochemical flare was defined as first date of 2 consecutive visits with ALT and/or AST \>=3\*ULN and \>=3\*nadir (lowest value observed up to start of flare) while participant was on-treatment. End date of same on-treatment biochemical flare was defined as first date with a 50% reduction from the peak ALT and/or AST level and \<3\*ULN, regardless of stopping study drugs. Participants were counted only once for any given flare, regardless of the number of times they actually experienced flare.
| percentage of participants | Panel 1 | Panel 2 | Panel 3 |
|---|---|---|---|
| Off-treatment biochemical flare | — | 0 | 0 |
| On-treatment biochemical flare | 10.0 | 10.0 | 25.0 |
Percentage of participants with off-treatment clinical flares were reported. Clinical flares occurred either when a virologic flare and biochemical flare overlapped in time or when a biochemical flare started within 4 weeks following the end of a virologic flare. Off-treatment was defined as the time period after stopping all study drugs (including NA). The start date of a clinical flare was the minimum start date of the virologic flare and biochemical flare. The end date of a clinical flare was the maximum end date of the virologic flare and biochemical flare, that is, the later date between HBV DNA returned to \<=200 IU/mL (or \<=1 log10) and 50 %reduction from the peak ALT and/or AST level and \<3\*ULN reached during the biochemical flare. Participants were counted only once for any given flare, regardless of the number of times they actually experienced the flare.
| percentage of participants | Panel 1 | Panel 2 | Panel 3 |
|---|---|---|---|
| HBV DNA >200 IU/mL | — | 0 | 0 |
| HBV DNA >2,000 IU/mL | — | 0 | 0 |
| HBV DNA >20,000 IU/mL | — | 0 | 50.0 |
Time to first occurrence of HBsAg seroclearance (defined as quantitative HBsAg \<LLOQ \[\<0.05 IU/mL\]) were reported. Time to first occurrence of HBsAg seroclearance was defined as the number of days between the date of first study intervention intake and the date of the first occurrence of the HBsAg seroclearance. Participants who withdrew early from the study before achieving HBsAg seroclearance or who did not achieve HBsAg seroclearance were censored at the last available HBsAg assessment. Kaplan-Meier method was used for the estimation.
| weeks | Panel 1 | Panel 2 | Panel 3 |
|---|---|---|---|
| Panel 1, 2 and 3: Time to First Occurence of HBsAg Seroclearance | NA (NA to NA) | NA (NA to NA) | NA (NA to NA) |
Percentage of participants with virologic breakthrough on treatment were reported. Virological breakthrough was defined as having a confirmed on-treatment HBV DNA increase by \>1 log10 IU/mL from nadir level (lowest level reached during treatment) in participants who did not have on-treatment HBV DNA level \< LLOQ (\<20 IU/mL) or confirmed on-treatment HBV DNA level \>200 IU/mL in participants who had on-treatment HBV DNA level \<LLOQ (\<20 IU/mL) of the HBV DNA assay. Confirmed HBV DNA increase/level means that the criterion should be fulfilled at 2 or more consecutive time points or at the last observed on-treatment time point. On treatment was defined as the time period in which the participant received any of the study interventions (JNJ-3989 and/or JNJ 6379 and/or NA and/or PegIFN-alpha2a).
| percentage of participants | Panel 1 | Panel 2 | Panel 3 |
|---|---|---|---|
| Panel 1, 2 and 3: Percentage of Participants With Virologic Breakthrough | 0 (0.00 to 20.57) | 0 (0.00 to 20.57) | 0 (0.00 to 43.77) |
Percentage of participants with TEAES (including serious and non-serious) and TESAEs were reported. An AE was any untoward medical occurrence in a clinical study participant administered a medicinal (investigational or non-investigational) product. An AE does not necessarily have a causal relationship with the intervention. Any AE occurring at or after the initial administration of study intervention was considered to be treatment emergent. A 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.
| percentage of participants | OL Phase: Panel 1 | OL Phase: Panel 2 | OL Phase: Panel 3 | FU Phase: Panel 1 | FU Phase: Panel 2 | FU Phase: Panel 3 |
|---|---|---|---|---|---|---|
| TEAEs | 90.0 | 100.0 | 75.0 | 50.0 | 60.0 | 75.0 |
| TESAEs | 10.0 | 0 | 0 | 0 | 0 | 0 |
Number of participants with HBV-specific peripheral blood T-cell responses were reported. HBV-specific T-cells were characterized in peripheral blood mononuclear cell immune analysis by binding assays (multimer staining) combined with downstream T-cell responses and transcriptome profiling.
| Participants | OL Phase: Panel 1 | OL Phase: Panel 2 | OL Phase: Panel 3 | FU Phase: Panel 1 | FU Phase: Panel 2 | FU Phase: Panel 3 |
|---|---|---|---|---|---|---|
| Open Label: Week 40 | 6 | 6 | 0 | — | — | — |
| Open Label: Week 44 | 0 | 1 | — | — | — | — |
| Open Label: Week 48 | 1 | — | — | — | — | — |
| Follow-up Week 2 | — | — | — | 4 | 10 | 3 |
| Follow-up Week 12 | — | — | — | 1 | 5 | 2 |
| Follow-up Week 24 | — | — | — | 5 | 9 | 4 |
Clinical laboratory test parameters were Hematology : absolute neutrophil count (ANC); Chemistry : alanine aminotransferase (ALT) and serum glutamic pyruvic transaminase (SGPT), aspartate aminotransferase(AST) or serum glutamic oxaloacetic transaminase (SGOT), amylase (pancreatic and total), creatinine Kinase, creatinine, low-density lipoprotein (LDL), lipase, estimated glomerular filtration rate (eGFR) on serum creatinine (Cr). DAIDS toxicity grades were Grade 1 (Mild), Grade 2 (Moderate), Grade 3 (Severe), Grade 4 (Potentially Life-Threatening). Percentage of participants with treatment-emergent DAIDS toxicity Grade 3 or 4 were reported in this outcome measure. For toxicity grades, treatment-emergent was concluded if the postbaseline grade was worse than the baseline grade. Only those abnormality categories in which at least one participant had data were reported.
| percentage of participants | OL Phase: Panel 1 | OL Phase: Panel 2 | OL Phase: Panel 3 | FU Phase: Panel 1 | FU Phase: Panel 2 | FU Phase: Panel 3 |
|---|---|---|---|---|---|---|
| Hematology: Absolute Neutrophil Count: Low: Grade 3 | 0 | 10.0 | 25.0 | 0 | 10.0 | 25.0 |
| Chemistry: ALT or SGPT: High: Grade 3 | 0 | 10.0 | 25.0 | 10.0 | 10.0 | 0 |
| Chemistry: ALT or SGPT: High: Grade 4 | 0 | 0 | 0 | 0 | 0 | 25.0 |
| Chemistry: AST/SGOT: High: Grade 3 | 0 | 10.0 | 0 | 0 | 0 | 25.0 |
| Chemistry: Amylase (Pancreatic): High: Grade 4 | 25.0 | 0 | 0 | 0 | 0 | 0 |
| Chemistry: Amylase (Total): High: Grade 3 | 11.1 | 0 | 0 | 0 | 0 | 0 |
| Chemistry: Creatinine Kinase : High: Grade 3 | 0 | 0 | 25.0 | 0 | 0 | 0 |
| Chemistry: Creatinine Kinase : High: Grade 4 | 0 | 10.0 | 0 | 0 | 0 | 0 |
| Chemistry: Creatinine: High: Grade 3 | 11.1 | 0 | 0 | 0 | 0 | 0 |
| Chemistry: LDL (Fasting): High: Grade 3 | 0 | 10.0 | 0 | 0 | 0 | 0 |
| Chemistry: Lipase: High: Grade 3 | 0 | 10.0 | 0 | 0 | 0 | 0 |
| Chemistry: eGFR Cr: Low: Grade 3 | 0 | 10.0 | 0 | 0 | 0 | 0 |
ECG parameters included ECG mean heart rate (HR)(beats per minute\[bpm\]), Pulse rate (PR) interval (milliseconds \[ms\]), QRS duration (ms) and QTc Corrected (Fridericia's formula QTcF). Abnormalities were graded as follows: ECG mean heart rate (abnormally low HR \<45 bpm) and (abnormally high HR\>=120 bpm); PR interval (abnormally high \>220 ms) and QPRS (abnormally high \>=120 ms); OT interval corrected for heart rate according to Fridericia (QTcF); borderline prolonged (BRD Pr )QTc (\>=450 to \<=480 ms), prolonged QTc (\>=480 to \<=500 ms)and pathologically prolonged QTc (\>500 ms). For worst abnormality, treatment-emergent was concluded if the abnormality worsened as compared to the abnormality at baseline: abnormally high to abnormally low and vice-versa. Only those abnormality categories in which at least one participant had data were reported.
| percentage of participants | OL Phase: Panel 1 | OL Phase: Panel 2 | OL Phase: Panel 3 | FU Phase: Panel 1 | FU Phase: Panel 2 | FU Phase: Panel 3 |
|---|---|---|---|---|---|---|
| ECG Mean HR: low (<45 bpm) | 0 | 10.0 | 0 | 0 | 10.0 | 0 |
| PR Interval: Aggregate: Abnormally high (>220 ms) | 11.1 | 20.0 | 0 | 11.1 | 20.0 | 0 |
| QTcF Interval: Aggregate: borderline prolonged QT (>=450to<=480 ms) | 0 | 10.0 | 0 | 0 | 0 | 0 |
Percentage of participants with worst treatment-emergent DAIDS toxicity grade in vital signs were reported. Abnormality grades were: pulse rate (abnormally low \<=45 bpm) and (abnormally high \>=120 bpm). An assessment was treatment-emergent if abnormality worsened as compared to the abnormality at baseline: from abnormally high to abnormally low and vice-versa. Only the category (pulse rate) in which at least one participant had data were reported.
| percentage of participants | OL Phase: Panel 1 | OL Phase: Panel 2 | OL Phase: Panel 3 | FU Phase: Panel 1 | FU Phase: Panel 2 | FU Phase: Panel 3 |
|---|---|---|---|---|---|---|
| Panel 1, 2 and 3: Percentage of Participants With Worst (Abnormally Low/High) Treatment-emergent DAIDS Toxicity Grade in Vital Signs | 0 | 10.0 | 0 | 0 | 0 | 0 |
Number of participants with clinically significant treatment-emergent abnormalities in physical examination were reported. Physical examination included head/neck/thyroid, eyes/ears/nose/throat, respiratory, cardiovascular, lymph nodes, abdomen, skin, musculoskeletal, and neurological examinations.
| Participants | OL Phase: Panel 1 | OL Phase: Panel 2 | OL Phase: Panel 3 | FU Phase: Panel 1 | FU Phase: Panel 2 | FU Phase: Panel 3 |
|---|---|---|---|---|---|---|
| Panel 1, 2 and 3: Number of Participants With Clinically Significant Treatment-emergent Abnormalities in Physical Examination | 4 | 0 | 0 | 0 | 0 | 0 |
Plasma trough concentration (C\[0hour\]) of JNJ-73763989 (JNJ-73763976, JNJ-73763924) were reported. C0h was the pre-dose plasma concentration of the JNJ-73763989 (JNJ-73763976, JNJ-73763924). Non-compartmental analysis were conducted to analyze plasma concentration of JNJ-73763989 and its molecules.
| nanograms per milliliter (ng/mL) | Panel 2 | Panel 3 |
|---|---|---|
| JNJ-73763976 | NA ± NA | NA ± NA |
| JNJ-73763924 | NA ± NA | NA ± NA |
Maximum observed plasma concentration (Cmax) of JNJ-73763989 (JNJ-73763976, JNJ-73763924) were reported. Non-compartmental analysis were conducted to analyze Cmax JNJ-73763989 and its molecules.
| nanograms per milliliter (ng/mL) | Panel 2 |
|---|---|
| JNJ-73763976 - Participant 1 | 2757 |
| JNJ-73763976 - Participant 2 | 1062 |
| JNJ-73763924 - Participant 1 | 595 |
| JNJ-73763924 - Participant 2 | 205 |
Maximum observed plasma concentration (Cmax) of JNJ-73763989 (JNJ-73763976, JNJ-73763924) were reported. Non-compartmental analysis were conducted to analyze Cmax JNJ-73763989 and its molecules.
| nanograms per milliliter (ng/mL) | Panel 3 |
|---|---|
| JNJ-73763976 | 924 ± 428 |
| JNJ-73763924 | 178 ± 73.1 |
Minimum observed plasma concentration (Cmin) of JNJ-73763989 (JNJ-73763976, JNJ-73763924) were reported. Non-compartmental analysis were conducted to analyze Cmin of JNJ-73763989 and its molecules
| nanograms per milliliter (ng/mL) | Panel 2 | Panel 3 |
|---|---|---|
| JNJ-73763976 | NA ± NA | NA ± NA |
| JNJ-73763924 | NA ± NA | NA ± NA |
Time to reach the maximum observed plasma concentration (tmax) of JNJ-73763989 (JNJ-73763976, JNJ-73763924) were reported. Non-compartmental analysis were conducted to analyze tmax of JNJ-73763989 and its molecules.
| hours | Panel 2 |
|---|---|
| JNJ-73763976 - Participant 1 | 6.00 |
| JNJ-73763976 - Participant 2 | 10.00 |
| JNJ-73763924 - Participant 1 | 6.00 |
| JNJ-73763924 - Participant 2 | 10.00 |
Time to reach the maximum observed plasma concentration (tmax) of JNJ-73763989 (JNJ-73763976, JNJ-73763924) were reported. Non-compartmental analysis were conducted to analyze tmax of JNJ-73763989 and its molecules.
| hours | Panel 3 |
|---|---|
| JNJ-73763976 | 6.00 (3.00 to 10.00) |
| JNJ-73763924 | 5.04 (3.00 to 10.00) |
Area under the plasma concentration-time curve from time zero to 24hours (AUC0 to 24h) of JNJ-73763989 (JNJ-73763976, JNJ-73763924) were reported. Non-compartmental analysis were conducted to analyze AUC0 to 24h of JNJ-73763989 and its molecules.
| nanograms*hour per milliliters (ng*h/mL) | Panel 2 |
|---|---|
| JNJ-73763976 - Participant 1 | 27744 |
| JNJ-73763976 - Participant 2 | 13820 |
| JNJ-73763924 - Participant 1 | 5388 |
| JNJ-73763924 - Participant 2 | 2649 |
Area under the plasma concentration-time curve from time zero to 24hours (AUC0 to 24h) of JNJ-73763989 (JNJ-73763976, JNJ-73763924) were reported. Non-compartmental analysis were conducted to analyze AUC0 to 24h of JNJ-73763989 and its molecules.
| nanograms*hour per milliliters (ng*h/mL) | Panel 3 |
|---|---|
| JNJ-73763976 | 13,256 ± 6,314 |
| JNJ-73763924 | 2,394 ± 1,047 |
Collected over Open-label phase: From Day 1 (Week 1) up to Week 48; Follow-up Phase: Follow-up Week 1 up to follow-up Week 48. Non-serious events are listed at a 5% frequency threshold.
| Group | Deaths | Serious | Other |
|---|---|---|---|
| OL Phase: Panel 1 | 0/10 (0%) | 1/10 (10%) | 9/10 (90%) |
| OL Phase: Panel 2 | 0/10 (0%) | 0/10 (0%) | 10/10 (100%) |
| OL Phase: Panel 3 | 0/4 (0%) | 0/4 (0%) | 3/4 (75%) |
| FU Phase: Panel 1 | 0/10 (0%) | 0/10 (0%) | 5/10 (50%) |
| FU Phase: Panel 2 | 0/10 (0%) | 0/10 (0%) | 6/10 (60%) |
| FU Phase: Panel 3 | 0/4 (0%) | 0/4 (0%) | 3/4 (75%) |
| Event | OL Phase: Panel 1 | OL Phase: Panel 2 | OL Phase: Panel 3 | FU Phase: Panel 1 | FU Phase: Panel 2 | FU Phase: Panel 3 |
|---|---|---|---|---|---|---|
| GastroenteritisInfections and infestations | 1/10 | 0/10 | 0/4 | 0/10 | 0/10 | 0/4 |
| Event | OL Phase: Panel 1 | OL Phase: Panel 2 | OL Phase: Panel 3 | FU Phase: Panel 1 | FU Phase: Panel 2 | FU Phase: Panel 3 |
|---|---|---|---|---|---|---|
| AstheniaGeneral disorders | 1/10 | 1/10 | 1/4 | 0/10 | 0/10 | 2/4 |
| HeadacheNervous system disorders | 2/10 | 3/10 | 0/4 | 2/10 | 1/10 | 1/4 |
| NeutropeniaBlood and lymphatic system disorders | 0/10 | 1/10 | 1/4 | 0/10 | 0/10 | 1/4 |
| FatigueGeneral disorders | 2/10 | 2/10 | 1/4 | 0/10 | 1/10 | 0/4 |
| PyrexiaGeneral disorders | 1/10 | 2/10 | 1/4 | 0/10 | 0/10 | 0/4 |
| Covid-19Infections and infestations | 1/10 | 2/10 | 1/4 | 0/10 | 2/10 | 0/4 |
| InsomniaPsychiatric disorders | 0/10 | 0/10 | 0/4 | 0/10 | 0/10 | 1/4 |
| ThrombocytopeniaBlood and lymphatic system disorders | 0/10 | 2/10 | 0/4 | 0/10 | 0/10 | 0/4 |
| Abdominal Pain LowerGastrointestinal disorders | 0/10 | 0/10 | 0/4 | 2/10 | 0/10 | 0/4 |
| VomitingGastrointestinal disorders | 2/10 | 0/10 | 0/4 | 0/10 | 1/10 | 0/4 |
| Age, Continuous(years) | Panel 1 | Panel 2 | Panel 3 | Total |
|---|---|---|---|---|
| Mean | 33.4 ± 14.73 | 43.4 ± 12.63 | 42 ± 12.73 | 39 ± 13.86 |
| Sex: Female, Male(Participants) | Panel 1 | Panel 2 | Panel 3 | Total |
|---|---|---|---|---|
| Female | 5 | 5 | 0 | 10 |
| Male | 5 | 5 | 4 | 14 |
| Ethnicity (NIH/OMB)(Participants) | Panel 1 | Panel 2 | Panel 3 | Total |
|---|---|---|---|---|
| Hispanic or Latino | 0 | 1 | 0 | 1 |
| Not Hispanic or Latino | 10 | 9 | 4 | 23 |
| Unknown or Not Reported | 0 | 0 | 0 | 0 |
| Race (NIH/OMB)(Participants) | Panel 1 | Panel 2 | Panel 3 | Total |
|---|---|---|---|---|
| American Indian or Alaska Native | 0 | 0 | 0 | 0 |
| Asian | 8 | 3 | 0 | 11 |
| Native Hawaiian or Other Pacific Islander | 0 | 0 | 0 | 0 |
| Black or African American | 2 | 2 | 3 | 7 |
| White | 0 | 4 | 1 | 5 |
| More than one race | 0 | 0 | 0 | 0 |
| Unknown or Not Reported | 0 | 1 | 0 | 1 |
| Region of Enrollment(Participants) | Panel 1 | Panel 2 | Panel 3 | Total |
|---|---|---|---|---|
| BELGIUM | 1 | 1 | 0 | 2 |
| CANADA | 5 | 0 | 0 | 5 |
| FRANCE | 0 | 1 | 4 | 5 |
| GERMANY | 0 | 1 | 0 | 1 |
| ITALY | 3 | 2 | 0 | 5 |
| NEW ZEALAND | 1 | 2 | 0 | 3 |
| POLAND | 0 | 1 | 0 | 1 |
| UNITED KINGDOM | 0 | 1 | 0 | 1 |
| UNITED STATES | 0 | 1 | 0 | 1 |
Documents are hosted by the registry — open the source record to download them.
Plan to share: Yes — The data sharing policy of the Janssen Pharmaceutical Companies of Johnson \& Johnson is available at www.janssen.com/clinical-trials/transparency. As noted on this site, requests for access to the study data can be submitted through Yale Open Data Access (YODA) Project site at yoda.yale.edu
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