Last updated: 11/07/2018 09:56:56

Phase 3 study of GSK548470 in patients with compensated chronic hepatitis B with poor response to other drugs

GSK study ID
115912
Clinicaltrials.gov ID
EudraCT ID
Not applicable
EU CT Number
Not applicable
Trial status
Study complete
Study complete
Overview
Eligibility
Locations
Study documents
Results summary
Plain language summaries
Additional information

Trial overview

Official title: A multi-center, open-label study of GSK548470 (Tenofovir Disoproxil Fumarate) in patients with compensated chronic hepatitis B with poor response to other drugs
Trial description: The purpose of this study is to evaluate the efficacy and safety of once-daily treatment with GSK548470 300 mg in Japanese patients with compensated chronic hepatitis B with poor response to other drugs.
Primary purpose:
Treatment
Trial design:
Single Group Assignment
Masking:
None (Open Label)
Allocation:
Not applicable
Primary outcomes:

Number of participants with HBV DNA level < 2.1 log10 copies/mL at Week 24

Timeframe: Week 24

Secondary outcomes:

Mean change from Baseline in serum HBV DNA level at Week 24, Week 48 and Week 96

Timeframe: Baseline and Week 24, Week 48 and Week 96

Number of participants with serum HBV DNA < 2.1 log10 copies/mL at Week 48 and Week 96

Timeframe: Week 48 and Week 96

Number of participants with alanine aminotransferase (ALT) normalization at Week 24, Week 48 and Week 96

Timeframe: Week 24, Week 48 and Week 96

Number of participants with HBeAg loss at Week 24, Week 48 and Week 96

Timeframe: Week 24, Week 48 and Week 96

Number of participants with HBeAg/HBeAb seroconversion at Week 24, Week 48 and Week 96

Timeframe: Week 24, Week 48 and Week 96

Number of participants achieving HBsAg loss at Week 24, Week 48 and Week 96

Timeframe: Week 24, Week 48 and Week 96

Number of participants achieving HBsAg/HBsAb seroconversion at Week 24, Week 48 and Week 96

Timeframe: Week 24, Week 48 and Week 96

Number of participants with virological breakthrough and resistance-related mutations

Timeframe: Screening, Week 24, Week 48, Week 96 and Virological Breakthrough

Number of participants achieving each indicated HBsAg category at Baseline, Week 24, Week 48 and Week 96

Timeframe: Baseline, Week 24, Week 48 and Week 96

Number of participants achieving each indicated HBcrAg category at Baseline,Week 24, Week 48 and Week 96

Timeframe: Baseline, Week 24, Week 48 and Week 96

Interventions:
  • Drug: GSK548470 300 mg tablet
  • Enrollment:
    34
    Primary completion date:
    2013-08-01
    Observational study model:
    Not applicable
    Time perspective:
    Not applicable
    Clinical publications:
    Hiromitsu Kumada, Kazuhiko Koike, Kazuaki Suyama, Hiroshi Ito, Hiroshi Itoh, Wataru Sugiura. Efficacy and safety of tenofovir disoproxil fumarate rescue therapy for chronic hepatitis B patients who failed other nucleos(t)ide analogues. Hepatol Res. 2017;47:1032-1041
    Medical condition
    Hepatitis B, Chronic
    Product
    tenofovir disoproxil fumarate
    Collaborators
    Not applicable
    Study date(s)
    December 2011 to October 2014
    Type
    Interventional
    Phase
    3

    Participation criteria

    Sex
    Female & Male
    Age
    16 - 69 years
    Accepts healthy volunteers
    No
    • The ability to understand and sign a written informed consent form
    • 16 to 69 years of age at the time of informed consent
    • Decompensated liver disease
    • Co-infection with HIV or HCV

    Trial location(s)

    Location
    Status
    Contact us
    Contact us
    Location
    GSK Investigational Site
    Kanagawa, Japan, 213-8587
    Status
    Study Complete
    Location
    GSK Investigational Site
    Chiba, Japan, 260-8677
    Status
    Study Complete
    Location
    GSK Investigational Site
    Fukuoka, Japan, 803-8505
    Status
    Study Complete
    Location
    GSK Investigational Site
    Tokyo, Japan, 180-8610
    Status
    Study Complete
    Location
    GSK Investigational Site
    Hokkaido, Japan, 060-0033
    Status
    Study Complete
    Location
    GSK Investigational Site
    Kagoshima, Japan, 890-8520
    Status
    Study Complete
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    Study documents

    Scientific result summary
    Available language(s): English
    Protocol
    Available language(s): English

    If you wish to request for full study report, please contact - [email protected]

    Results overview

    Results posted on ClinicalTrials.gov

    Recruitment status
    Study complete
    Actual primary completion date
    2013-08-01
    Actual study completion date
    2014-15-10

    Plain language summaries

    Plain language summaries of clinical trial results for Phase 2-4 clinical trials that were initiated on or after January 2022 will be posted by GSK within one year following study completion.

    Additional information about the trial

    Additional information
    Not applicable
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