NCT06990776

Brief Summary

This is a multicenter, randomized, double-blind, placebo-controlled phase II study, in which all participants are required to use TQA3605 tablets/placebo in combination with entecavir. The purpose is to evaluate the efficacy and safety of TQA3605 tablets combined with entecavir in treatment-naive chronic HBV-infected subjects. A total of 215 subjects are required.

Trial Health

30
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Timeline
Completed

Started Jul 2025

Geographic Reach
1 country

29 active sites

Status
withdrawn

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

May 18, 2025

Completed
7 days until next milestone

First Posted

Study publicly available on registry

May 25, 2025

Completed
2 months until next milestone

Study Start

First participant enrolled

July 9, 2025

Completed
8 days until next milestone

Primary Completion

Last participant's last visit for primary outcome

July 17, 2025

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

July 17, 2025

Completed
Last Updated

August 3, 2025

Status Verified

February 1, 2025

Enrollment Period

8 days

First QC Date

May 18, 2025

Last Update Submit

July 30, 2025

Conditions

Outcome Measures

Primary Outcomes (1)

  • hepatitis B virus (HBV) DNA <10 IU/mL

    Percentage of subjects with HBV DNA below the lower limit of quantification (\<10 IU/mL) after 48 weeks of treatment.

    48 weeks

Secondary Outcomes (8)

  • Percentage of subjects with HBV DNA<10 IU/mL

    12 weeks, 24 weeks, 36 weeks, 60 weeks, 72 weeks

  • Percentage of HBV DNA<20 IU/mL

    12 weeks, 24 weeks, 36 weeks, 48weeks, 60 weeks, 72 weeks

  • Percentage of subjects with HBeAg serologic clearance and/or serologic conversion

    24weeks, 48 weeks, 72 weeks

  • Alanine aminotransferase(ALT)≤The upper limit of the normal reference value (ULN)

    24weeks, 48 weeks, 72 weeks

  • Virology breakthrough percentage

    24weeks, 48 weeks, 72 weeks

  • +3 more secondary outcomes

Study Arms (5)

100mg TQA3605 tablets + entecavir (ETV) (PART A)

EXPERIMENTAL

Patients aged 30-65 years old group:TQA3605 tablets, 100mg once a day, orally for 48 weeks in combination with entecavir, followed by treatment with entecavir for 24 weeks

Drug: TQA3605 TabletsDrug: Entecavir dispersible tablets

200mg TQA3605 tablets +ETV (PART A)

EXPERIMENTAL

Patients aged 30-65 years old group:TQA3605 tablets, 200mg once a day, orally for 48 weeks in combination with entecavir, followed by treatment with entecavir for 24 weeks

Drug: TQA3605 TabletsDrug: Entecavir dispersible tablets

TQA3605 tablets Placebo +ETV (PART A)

PLACEBO COMPARATOR

Patients aged 30-65 years old group: TQA3605 tablets placebo, once a day, orally for 48 weeks in combination with entecavir, followed by treatment with entecavir for 24 weeks.

Drug: TQA3605 tablets Placebo

200mg TQA3605 tablets +ETV (PART B)

EXPERIMENTAL

Patients aged 18-30 years old group:TQA3605 tablets, 200mg once a day, orally for 48 weeks in combination with entecavir, followed by treatment with entecavir for 24 weeks.

Drug: TQA3605 TabletsDrug: Entecavir dispersible tablets

TQA3605 tablets Placebo +ETV (PART B)

PLACEBO COMPARATOR

Patients aged 18-30 years old group:TQA3605 tablets Placebo taken once a day, orally for 48 weeks in combination with entecavir, followed by treatment with entecavir for 24 weeks.

Drug: TQA3605 tablets Placebo

Interventions

Placebo contains no active substance.

TQA3605 tablets Placebo +ETV (PART A)TQA3605 tablets Placebo +ETV (PART B)

TQA3605 tablets is core protein allosteric modulators

100mg TQA3605 tablets + entecavir (ETV) (PART A)200mg TQA3605 tablets +ETV (PART A)200mg TQA3605 tablets +ETV (PART B)

Entecavir dispersible tablets is an inhibitor of hepatitis B virus replication.

100mg TQA3605 tablets + entecavir (ETV) (PART A)200mg TQA3605 tablets +ETV (PART A)200mg TQA3605 tablets +ETV (PART B)

Eligibility Criteria

Age18 Years - 65 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • years old (including boundary values), regardless of gender;
  • Screening requires virological , clinical or pathological evidence of hepatitis B virus infection for more than 6 months; HBsAg positive, HBeAg positive, ALT≤5×ULN at screening;
  • Never received nucleoside (acid) analog or interferon treatment, or previously received no more than 12 weeks of treatment but had discontinued therapy at least 6 months prior to the screening visit;
  • Ability to communicate effectively with researchers and understand and comply with the requirements of this study, understand and sign the informed consent form;
  • Male subjects with female partners who have fertility or female subjects of childbearing age are willing to voluntarily adopt effective contraceptive measures screening to within 3 months after leaving the group.

You may not qualify if:

  • Pregnant (positive pregnancy test) or lactating women.
  • Co-infection with other viruses such as Hepatitis A Virus (HAV), Hepatitis C Virus (HCV), Hepatitis D Virus (HDV), Hepatitis E Virus (HEV), Human Immunodeficiency Virus (HIV), Syphilis, etc.;
  • History of cirrhosis or evidence of significant fibrosis or cirrhosis before or during screening;
  • History of hepatocellular carcinoma (HCC) or suspected HCC before or during screening.;
  • History of malignant tumors within the past 5 years prior to screening, except for certain cancers that can be completely cured by surgical resection;
  • Subjects with other chronic liver diseases, including but not limited to autoimmune liver disease, alcoholic liver disease, Wilson's disease, Gilbert syndrome, etc;
  • Previous organ or bone marrow transplantation;
  • Clinically significant abnormal laboratory test results at screening.
  • Poorly controlled thyroid diseases or clinically significant thyroid dysfunction;
  • Autoimmune diseases;
  • Significant systemic or major illnesses other than liver disease.
  • Any systemic anti-tumor or immunosuppressive therapy, or immunomodulatory therapy within 6 months prior to screening.
  • High-dose systemic corticosteroids use within 3 months prior to screening;
  • History of alcohol or drug abuse within the past year or excessive alcohol consumption.
  • History of blood transfusion within 2 months prior to screening;
  • +4 more criteria

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (29)

Beijing Ditan Hospital Capital Medical University

Beijing, Beijing Municipality, 100015, China

Location

Beijing Youan Hospital,Capital Medical University

Beijing, Beijing Municipality, 100069, China

Location

The Second Affiliated Hospital of Chongqing Medical University

Chongqing, Chongqing Municipality, 400010, China

Location

The Southwest Hospital of AMU

Chongqing, Chongqing Municipality, 400038, China

Location

Mengchao Hepatobiliary Hospital of Fujian Medical University

Fuzhou, Fujian, 350025, China

Location

NanFang Hospital

Guangzhou, Guangdong, 510515, China

Location

Peking University Shenzhen Hospital

Shenzhen, Guangdong, 518036, China

Location

The First Affiliated Hospital of GUANGXI Medical University

Nanning, Guangxi, 530021, China

Location

Hebei Medical University Third Hospital

Shijiazhuang, Hebei, 050000, China

Location

Zhengzhou No.6 peoples Hospital

Zhengzhou, Henan, 450000, China

Location

Henan Provincial People's Hospital

Zhengzhou, Henan, 450002, China

Location

The First Hospital of Changsha

Changsha, Hunan, 410005, China

Location

Jiangsu Provincial People's Hospital

Nanjing, Jiangsu, 210003, China

Location

The Second Hospital of Nanjing

Nanjing, Jiangsu, 210003, China

Location

Naniing Drum Tower Hospital

Nanjing, Jiangsu, 210008, China

Location

The Fifth People's Hospital of Suzhou

Suzhou, Jiangsu, 215131, China

Location

The Fifth People's Hospital of Wuxi

Wuxi, Jiangsu, 214061, China

Location

Zhenjiang Third People's Hospital

Zhenjiang, Jiangsu, 212004, China

Location

The First Affiliated Hospital of Nanchang University

Nanchang, Jiangxi, 330000, China

Location

The First Hospital of Jilin University

Changchun, Jilin, 130021, China

Location

Shengjing Hospital Affiliated to China Medical University

Shenyang, Liaoning, Liaoning, China

Location

The First Affiliated Hospital of Xi'an Jiao Tong University

Xi'an, Shaanxi, 710000, China

Location

Xi'an Jiaotong University Second Affiliated Hospital

Xi'an, Shaanxi, 710000, China

Location

The Second Hospital of Shandong University

Jinan, Shandong, 250033, China

Location

Shandong Provincial Clinical Center for Public Health

Jinan, Shandong, 250102, China

Location

Ruijin Hospital Affiliated to Shanghai Jiaotong University School of Medicine

Shanghai, Shanghai Municipality, 200000, China

Location

Shanghai Tongren Hospital

Shanghai, Shanghai Municipality, 200336, China

Location

The First Affiliated Hospital of Xinjiang Medical University

Ürümqi, Xinjiang, 830013, China

Location

Yiwu Central Hospital

Yiwu, Zhejiang, 322099, China

Location

MeSH Terms

Conditions

Hepatitis B, Chronic

Interventions

entecavir

Condition Hierarchy (Ancestors)

Hepatitis BBlood-Borne InfectionsCommunicable DiseasesInfectionsHepadnaviridae InfectionsDNA Virus InfectionsVirus DiseasesHepatitis, Viral, HumanHepatitis, ChronicHepatitisLiver DiseasesDigestive System DiseasesChronic DiseaseDisease AttributesPathologic ProcessesPathological Conditions, Signs and Symptoms
0

Study Design

Study Type
interventional
Phase
phase 2
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

May 18, 2025

First Posted

May 25, 2025

Study Start

July 9, 2025

Primary Completion

July 17, 2025

Study Completion

July 17, 2025

Last Updated

August 3, 2025

Record last verified: 2025-02

Locations