A Study of JNJ-73763989 + Nucleos(t)Ide Analog in Participants Co-Infected With Hepatitis B and Hepatitis D Virus

NCT ID: NCT04535544

Last Updated: 2025-04-25

Study Results

Results available

Outcome measurements, participant flow, baseline characteristics, and adverse events have been published for this study.

View full results

Basic Information

Get a concise snapshot of the trial, including recruitment status, study phase, enrollment targets, and key timeline milestones.

Recruitment Status

COMPLETED

Clinical Phase

PHASE2

Total Enrollment

52 participants

Study Classification

INTERVENTIONAL

Study Start Date

2020-09-17

Study Completion Date

2025-03-05

Brief Summary

Review the sponsor-provided synopsis that highlights what the study is about and why it is being conducted.

The purpose of the study is to evaluate on-treatment efficacy against hepatitis D virus (HDV) of JNJ-73763989 + nucleos(t)ide analog (NA) regimen compared to NA alone.

Detailed Description

Dive into the extended narrative that explains the scientific background, objectives, and procedures in greater depth.

Conditions

See the medical conditions and disease areas that this research is targeting or investigating.

Hepatitis D, Chronic

Study Design

Understand how the trial is structured, including allocation methods, masking strategies, primary purpose, and other design elements.

Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

DOUBLE

Participants Investigators

Study Groups

Review each arm or cohort in the study, along with the interventions and objectives associated with them.

Immediate Active Treatment arm: JNJ-73763989 + NA

Participants will receive JNJ-73763989 subcutaneous (SC) injection every 4 weeks (Q4W) along with NA (entecavir \[ETV\], tenofovir disoproxil, or tenofovir alafenamide \[TAF\]) once daily for 144 Weeks in Part 1 and for at least 96 weeks in Part 2.

Group Type EXPERIMENTAL

JNJ-73763989

Intervention Type DRUG

JNJ-73763989 will be administered as a SC injection.

Entecavir (ETV) monohydrate

Intervention Type DRUG

ETV monohydrate film coated tablet will be administered orally.

Tenofovir disoproxil

Intervention Type DRUG

Tenofovir disoproxil film-coated tablet will be administered orally.

Tenofovir alafenamide (TAF)

Intervention Type DRUG

TAF film coated tablet will be administered orally.

Deferred Active Treatment arm: Placebo+NA+JNJ-73763989+NA

Participants will receive matching placebo to JNJ-73763989 SC injection Q4W along with NA (ETV, tenofovir disoproxil, or TAF) once daily for 52 Weeks followed by JNJ-73763989 SC injection Q4W along with NA once daily for 96 weeks in Part 1 and for at least 48 weeks in Part 2.

Group Type PLACEBO_COMPARATOR

JNJ-73763989

Intervention Type DRUG

JNJ-73763989 will be administered as a SC injection.

Placebo

Intervention Type DRUG

Matching placebo to JNJ-73763989 will be administered as a SC injection.

Entecavir (ETV) monohydrate

Intervention Type DRUG

ETV monohydrate film coated tablet will be administered orally.

Tenofovir disoproxil

Intervention Type DRUG

Tenofovir disoproxil film-coated tablet will be administered orally.

Tenofovir alafenamide (TAF)

Intervention Type DRUG

TAF film coated tablet will be administered orally.

Interventions

Learn about the drugs, procedures, or behavioral strategies being tested and how they are applied within this trial.

JNJ-73763989

JNJ-73763989 will be administered as a SC injection.

Intervention Type DRUG

Placebo

Matching placebo to JNJ-73763989 will be administered as a SC injection.

Intervention Type DRUG

Entecavir (ETV) monohydrate

ETV monohydrate film coated tablet will be administered orally.

Intervention Type DRUG

Tenofovir disoproxil

Tenofovir disoproxil film-coated tablet will be administered orally.

Intervention Type DRUG

Tenofovir alafenamide (TAF)

TAF film coated tablet will be administered orally.

Intervention Type DRUG

Other Intervention Names

Discover alternative or legacy names that may be used to describe the listed interventions across different sources.

JNJ-3989

Eligibility Criteria

Check the participation requirements, including inclusion and exclusion rules, age limits, and whether healthy volunteers are accepted.

Inclusion Criteria

* Medically stable based on physical examination, medical history, vital signs, electrocardiogram (ECG) at screening
* Chronic hepatitis B virus (HBV) and hepatitis D virus (HDV) co-infection with documentation at least 6 months prior to screening
* For Part 1: hepatitis D RNA (HDV RNA) greater than or equal to (\>=) 1000 international units per milliliter (IU/mL) at screening. For Part 2: must have HDV RNA values \>= 500 IU/mL, and must have hepatitis B surface antigen (HBsAg) values less than or equal to (\<=) 10000 IU/mL at screening or HDV RNA values at screening are \<= 100000 IU/mL
* Alanine aminotransferase (ALT) greater than upper limit normal (ULN) but less than 10 times (ULN)
* Body mass index (BMI) between 18.0 and 35.0 kilogram per meter square (kg/m\^2), extremes included
* Highly effective contraceptive measures in place for female participants of childbearing potential or male participants with female partners of childbearing potential
* Non-cirrhotic participants and participants with compensated cirrhosis (Child Pugh class A) at screening (Part 1) and participants must have absence of cirrhosis and platelet count of \>= 140000 per deciliter (dL) for enrollment into Part-2

Exclusion Criteria

* Evidence of infection with hepatitis A, C, or E virus infection or evidence of human immunodeficiency, virus type 1 (HIV-1) or HIV-2 infection at screening
* History or evidence of clinical signs/symptoms of hepatic decompensation including but not limited to: portal hypertension, ascites, hepatic encephalopathy, esophageal varices or any laboratory abnormalities indicating a reduced liver function as defined in the protocol
* Evidence of liver disease of non-HBV/HDV etiology
* Signs of hepatocellular carcinoma (HCC)
* Significant laboratory abnormalities as defined in the protocol at screening
* Participants with a history of malignancy within 5 years before screening
* Abnormal sinus rhythm or ECG parameters at screening as defined in the protocol
* History of or current cardiac arrhythmia or history or clinical evidence of significant or unstable cardiac disease
* Participants with any current or previous illness for which, in the opinion of the investigator and/or sponsor, participation would not be in the best interest of the participant
* History of or current clinically significant skin disease or drug rash
* Participants with known allergies, hypersensitivity, or intolerance to JNJ-3989 or its excipients or excipients of the placebo content
* Contraindications to the use of entecavir (ETV), tenofovir disoproxil, or tenofovir alafenamide (TAF) per local prescribing information
* Participants who have taken any therapies disallowed per protocol
* Female participants who are pregnant, or breast-feeding, or planning to become pregnant while enrolled in this study or within 90 days after the last dose of study intervention
* Male participants who plan to father a child while enrolled
* Participants who had or planned major surgery, (example, requiring general anesthesia) or who have received an organ transplant
* Vulnerable participants (example, incarcerated individuals, individuals under a legal protection measure)
Minimum Eligible Age

18 Years

Maximum Eligible Age

65 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

Meet the organizations funding or collaborating on the study and learn about their roles.

Janssen Research & Development, LLC

INDUSTRY

Sponsor Role lead

Responsible Party

Identify the individual or organization who holds primary responsibility for the study information submitted to regulators.

Responsibility Role SPONSOR

Principal Investigators

Learn about the lead researchers overseeing the trial and their institutional affiliations.

Janssen Research & Development, LLC Clinical Trial

Role: STUDY_DIRECTOR

Janssen Research & Development, LLC

Locations

Explore where the study is taking place and check the recruitment status at each participating site.

Stanford University School of Medicine

Redwood City, California, United States

Site Status

Harvard Medical School Massachusetts General Hospital

Boston, Massachusetts, United States

Site Status

Royal Prince Alfred Hospital

Camperdown, , Australia

Site Status

Western Health

Footscray, , Australia

Site Status

Westmead Hospital

Westmead, , Australia

Site Status

Centro Oncológico De Roraima

Boa Vista, , Brazil

Site Status

Fundacao De Medicina Tropical Doutor Heitor Vieira Dourado

Manaus, , Brazil

Site Status

Cepem - Centro de Pesquisa Em Medicina Tropical

Porto Velho, , Brazil

Site Status

Beijing Ditan Hospital Capical Medical University

Beijing, , China

Site Status

Peking University People s Hospital

Beijing, , China

Site Status

The First Bethune Hospital of Jilin University

Changchun, , China

Site Status

West China Hospital Sichuan University

Chengdu, , China

Site Status

The Second Affiliated Hospital of Chongqing Medical University

Chongqing, , China

Site Status

Guangzhou Eighth People's Hospital, Guangzhou Medical University

Guangzhou, , China

Site Status

Nanfang Hospital

Guangzhou, , China

Site Status

The First Affiliated Hospital Zhejiang University College of Medicine

Hangzhou, , China

Site Status

Huashan Hospital Fudan University

Shanghai, , China

Site Status

Hopital Beaujon

Clichy, , France

Site Status

Hopital de La Croix Rousse

Lyon, , France

Site Status

CHU de Nantes hotel Dieu

Nantes, , France

Site Status

CHU Hopital Saint Antoine

Paris, , France

Site Status

Chu Rennes Hopital Pontchaillou

Rennes, , France

Site Status

Universitatsklinikum Essen

Essen, , Germany

Site Status

Universitätsklinikum Johann Wolfgang Goethe- Universität Frankfurt Medizinische Klinik 1

Frankfurt, , Germany

Site Status

Medizinische Hochschule Hannover

Hanover, , Germany

Site Status

Irccs Ospedale Maggiore Di Milano

Milan, , Italy

Site Status

Azienda Ospedaliero Universitaria Pisana

Pisa, , Italy

Site Status

Universita degli Studi di Roma 'La Sapienza' - Umberto I Policlinico di Roma

Rome, , Italy

Site Status

Ospedale Molinette, AO Città della Salute e della Scienza di

Torino, , Italy

Site Status

Tokyo Medical and Dental University Hospital

Bunkyō City, , Japan

Site Status

Hiroshima Red Cross Hospital & Atomic-bomb Survivors Hospital

Hiroshima, , Japan

Site Status

National Hospital Organization Shikoku Cancer Center

Iizuka-shi, , Japan

Site Status

Ikeda City Hospital

Ikeda, , Japan

Site Status

Kumamoto University Hospital

Kumamoto, , Japan

Site Status

Kumamoto Shinto General Hospital

Kumamoto, , Japan

Site Status

Nagasaki University Hospital

Nagasaki, , Japan

Site Status

National Hospital Organization Nagasaki Medical Center

Nagasaki, , Japan

Site Status

University of the Ryukyus Hospital

Nakagami Gun, , Japan

Site Status

Nakagami Hospital

Okinawa, , Japan

Site Status

Suita Municipal Hospital

Suita, , Japan

Site Status

Osaka University Hospital

Suita-shi, , Japan

Site Status

Tokyo Metropolitan Bokutoh Hospital

Sumida Ku, , Japan

Site Status

New Zealand Clinical Research

Auckland, , New Zealand

Site Status

Krasnoyarsk Regional Center For AIDS And Infectious Diseases Treatment And Prophylaxis

Krasnoyarsk, , Russia

Site Status

St. Petersburg City Center for AIDS and Infectious Diseases Treatment and Prophylaxis

Saint Petersburg, , Russia

Site Status

Medical Company Hepatolog Ltd

Samara, , Russia

Site Status

Hosp Clinic de Barcelona

Barcelona, , Spain

Site Status

Hosp Univ Vall D Hebron

Barcelona, , Spain

Site Status

Hosp. Univ. 12 de Octubre

Madrid, , Spain

Site Status

Hosp. Univ. Marques de Valdecilla

Santander, , Spain

Site Status

Danderyds Sjukhus

Danderyd, , Sweden

Site Status

Skanes universitetssjukhus

Malmo, , Sweden

Site Status

Karolinska Universitetssjukhuset Huddinge

Stockholm, , Sweden

Site Status

Kaohsiung Medical University Chung Ho Memorial Hospital

Kaohsiung City, , Taiwan

Site Status

National Taiwan University Hospital

Taipei, , Taiwan

Site Status

China Medical University Hospital

Tiachung, , Taiwan

Site Status

Istanbul University Cerrahpasa Medical Faculty

Istanbul, , Turkey (Türkiye)

Site Status

Ege University Medical of Faculty, Department of Gastroenterology

Izmir, , Turkey (Türkiye)

Site Status

Kocaeli University Medical Faculty

Kocaeli, , Turkey (Türkiye)

Site Status

Karadeniz Teknik University Medical Faculty

Trabzon, , Turkey (Türkiye)

Site Status

Kings College Hospital

London, , United Kingdom

Site Status

Countries

Review the countries where the study has at least one active or historical site.

United States Australia Brazil China France Germany Italy Japan New Zealand Russia Spain Sweden Taiwan Turkey (Türkiye) United Kingdom

Provided Documents

Download supplemental materials such as informed consent forms, study protocols, or participant manuals.

Document Type: Study Protocol

View Document

Document Type: Statistical Analysis Plan

View Document

Other Identifiers

Review additional registry numbers or institutional identifiers associated with this trial.

2020-001249-37

Identifier Type: EUDRACT_NUMBER

Identifier Source: secondary_id

73763989HPB2004

Identifier Type: OTHER

Identifier Source: secondary_id

2023-506763-33-00

Identifier Type: REGISTRY

Identifier Source: secondary_id

CR108868

Identifier Type: -

Identifier Source: org_study_id

More Related Trials

Additional clinical trials that may be relevant based on similarity analysis.