NCT00869778

Brief Summary

The purpose is to evaluate efficacy and safety of therapeutic Hepatitis B Virus(HBV) vaccine (mimogen-based) treatment in chronic hepatitis B patients and to explore the most effective dosage and provide the rational for optimal dosing schedule.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
360

participants targeted

Target at P75+ for phase_2

Timeline
Completed

Started Apr 2009

Typical duration for phase_2

Geographic Reach
1 country

15 active sites

Status
completed

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

March 25, 2009

Completed
1 day until next milestone

First Posted

Study publicly available on registry

March 26, 2009

Completed
6 days until next milestone

Study Start

First participant enrolled

April 1, 2009

Completed
2.6 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

November 1, 2011

Completed
1.5 years until next milestone

Study Completion

Last participant's last visit for all outcomes

May 1, 2013

Completed
3.7 years until next milestone

Results Posted

Study results publicly available

January 18, 2017

Completed
Last Updated

October 1, 2019

Status Verified

September 1, 2019

Enrollment Period

2.6 years

First QC Date

March 25, 2009

Results QC Date

November 20, 2016

Last Update Submit

September 17, 2019

Conditions

Keywords

Chronic Hepatitis BHBeAg positiveTherapeutic HBV VaccineHBV-specific Cytotoxic T Lymphocyte

Outcome Measures

Primary Outcomes (1)

  • Percentage of Participants With HBeAg Seroconversion at Endpoint .

    Primary endpoint data were summarised under "End of Study",using the last available post-baseline observation(Last Observation Carried Forward,LOCF)

    Endpoint(LOCF), up to 76 Weeks

Secondary Outcomes (9)

  • Percentage of Participants With HBeAg Seroconversion at Weeks 12, 28, 32, 40, 52, 64, 76

    serology response at week 12, 28, 32, 40, 52, 64, 76

  • The Proportion of Patients With Serum HBV DNA Load Decrease Equal or Greater Than 1 Log Scale;

    week 12, 28, 32, 40, 52, 64, 76

  • Percentage of Participants With Alanine Aminotransferase (ALT) Normalization at Weeks 12,28,32,40,52,64,76

    week 12, 28, 32, 40, 52, 64, 76

  • The Proportion of Patients With Both Negative HBeAg and HBeAb;

    at week 12, 28, 32, 40, 52, 64, 76.

  • The Proportion of Patients With Positive Anti-HBe

    at week 12, 28, 32, 40, 52, 64, 76.

  • +4 more secondary outcomes

Study Arms (3)

εPA-44 900μg

EXPERIMENTAL

Inject εPA-44 900μg at week 0, 4, 8, 12, 20, 28.

Biological: εPA-44

εPA-44 600μg+Placebo 300μg

EXPERIMENTAL

Inject εPA-44 600μg+Placebo 300μg at week 0, 4, 8, 12, 20, 28.

Biological: εPA-44Other: Placebo

Placebo 900μg

PLACEBO COMPARATOR

Inject Placebo 900μg at week 0, 4, 8, 12, 20, 28.

Other: Placebo

Interventions

εPA-44BIOLOGICAL

subcutaneously injection of εPA-44 at week 0, 4, 8, 12, 20, 28.

Also known as: Therapeutic HBV vaccine
εPA-44 600μg+Placebo 300μgεPA-44 900μg
PlaceboOTHER

subcutaneously injection of Placebo at week 0, 4, 8, 12, 20, 28.

Placebo 900μgεPA-44 600μg+Placebo 300μg

Eligibility Criteria

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

You may qualify if:

  • Aged 18-65 years, male or female
  • Conforms to diagnosis standard of chronic hepatitis B according to"2005 Guideline for Prevention and Treatment of Hepatitis B", (with positive HBsAg for more than 6 months), and HBV-DNA more than 100000 copies/ml;HBeAg (+),HBsAb(-); Alanine aminotransferase(ALT) within 2 to 10 times of ULN (upper limit of normal)
  • HLA-A2 positive
  • Compensatory liver disease having following hematological and biochemical indicators:WBC≥3.5E+9/L; ANC≥1.5E+9/L; PLT≥80E+9/L; Hb≥110g/L; TBil≤1.5ULN; ALB ≥ lower limit of normal value; BUN (Urea)≤upper limit of normal value; Cr≤upper limit of normal value; prothrombin time(PT) elongation≤3 sec; Activated partial thromboplastin time(APTT) within normal value; Fasting blood glucose≤7.0mmol/L
  • TSH within normal value
  • AFP ≤20ng/ml
  • Uses effective contraception for subject with child-bearing potential (including females and female partners of males)
  • Understands and signs ICF approved by EC
  • Willing to comply with the study procedures and complete the study

You may not qualify if:

  • Antibody of HAV IgM, HCV, HDV IgM or HEV IgM is positive
  • Antibody of CMV IgM, EBV IgM or HIV is positive
  • Antinuclear antibody titer\>1:160
  • Hepatocarcinoma, suspected hepatocarcinoma or hepatic cirrhosis
  • Has any of the following illnesses or has a severe disease inappropriate for participation in the study based on the investigator's judgment, such as: Cardiovascular system: instable or significant cardiovascular illness such as angina pectoris, heart attack of myocardial infarction, congestive heart failure, severe hypertension, significant arrhythmia or abnormal ECG etc.; Respiratory system: bronchiectasis, bronchial asthma, chronic obstructive pulmonary disease, respiratory failure, etc.; Endocrine, metabolism diseases: diabetes mellitus, uncontrolled thyroid diseases, etc.; Others: autoimmune disorder, active tuberculosis, malignancies (e.g.tumor), neuropathic or metal illness history,etc.
  • Has used anti-HBV drug (Interferon, Lamivudine, Adefovir Dipivoxil, Entecavir and Telbivudine) and immunomodulator (Thymic peptide,etc ) 6 months prior to the administration of study medication
  • Has participated in any other drug clinical investigations within the past 3 months
  • Has allergy habitus or has suspected allergy to study drug
  • Female who is in pregnancy, in lactation or planning to become pregnant during the course of the study
  • Has a history of alcohol abuse (Alcohol consumption for more than 5 years, with daily consumption over 40g for males and over 20g for females) and known drug dependence
  • Has a history of organ transplant (except external corneal transplantation and hair transplantation)
  • Any other factors inappropriate for enrollment in the study or study completion in the view of the investigator

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (15)

The PLA Beijing Military General Hospital

Beijing, Beijing Municipality, China

Location

The 2nd Affiliated Hosptial of Harbin Medical University

Harbin, Heilongjiang, China

Location

Renmin Hosptial of Wuhan University

Wuhan, Hubei, China

Location

The Second Xiangya Hospital of Central South University

Changsha, Hunan, China

Location

The Third Xiangya Hospital of Central South University

Changsha, Hunan, China

Location

Xiangya Hospital Central South University

Changsha, Hunan, China

Location

81th Hospital of PLA

Nanjing, Jiangsu, China

Location

Jilin University First Hospital

Changchun, Jilin, China

Location

TangDu Hospital

XiAn, Shanxi, China

Location

The First Affiliated Hospital of Xi'An JiaoTong University

Xi’an, Shanxi, China

Location

West China Hospital,SiChuan University

Chengdu, Sichuan, China

Location

The First Affiliated Hospital of Wenzhou Medical University

Wenzhou, Zhejiang, China

Location

302 Militray Hosptial of China

Beijing, China

Location

Hepatitis Institute of Peking University People's Hospital

Beijing, China

Location

Southwest Hospital

Chongqing, China

Location

Related Publications (1)

  • Wei L, Zhao T, Zhang J, Mao Q, Gong G, Sun Y, Chen Y, Wang M, Tan D, Gong Z, Li B, Niu J, Li S, Gong H, Zou L, Zhou W, Jia Z, Tang Y, Fei L, Hu Y, Shang X, Han J, Zhang B, Wu Y. Efficacy and safety of a nanoparticle therapeutic vaccine in patients with chronic hepatitis B: A randomized clinical trial. Hepatology. 2022 Jan;75(1):182-195. doi: 10.1002/hep.32109. Epub 2021 Dec 8.

MeSH Terms

Conditions

Hepatitis B, Chronic

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

Results Point of Contact

Title
Dr.Wu
Organization
Institute of Immunology,PLA

Study Officials

  • Lai Wei, Ph.D.

    Hepatitis Institute of Peking University People's Hospital

    PRINCIPAL INVESTIGATOR

Publication Agreements

PI is Sponsor Employee
No
Restriction Type
OTHER
Restrictive Agreement
Yes

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

March 25, 2009

First Posted

March 26, 2009

Study Start

April 1, 2009

Primary Completion

November 1, 2011

Study Completion

May 1, 2013

Last Updated

October 1, 2019

Results First Posted

January 18, 2017

Record last verified: 2019-09

Locations