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Prospective Exploratory Study to Evaluate the Safety and Efficacy of Telbivudine in the Fifth Year of Treatment in Chinese Patients With Compensated Chronic Hepatitis B

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. Identifier: NCT00646503
Recruitment Status : Completed
First Posted : March 28, 2008
Last Update Posted : June 22, 2017
Information provided by (Responsible Party):

Brief Summary:
This study will explore efficacy and safety of Telbivudine in the fifth year of treatment.

Condition or disease Intervention/treatment Phase
Hepatitis B, Chronic Drug: Telbivudine Phase 4

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Study Type : Interventional  (Clinical Trial)
Actual Enrollment : 150 participants
Allocation: N/A
Intervention Model: Single Group Assignment
Masking: None (Open Label)
Primary Purpose: Treatment
Official Title: A Single Arm, Multicenter, Open-label, 52-week, the Omnibus Extension Study to Evaluate the Safety and Efficacy of Telbivudine in the Fifth Year of Treatment in Chinese Patients With Compensated Chronic Hepatitis B and Are HBV DNA PCR Negative at the End of Year 4 Treatment
Study Start Date : March 2008
Actual Primary Completion Date : September 2009
Actual Study Completion Date : September 2009

Resource links provided by the National Library of Medicine

Drug Information available for: Telbivudine

Arm Intervention/treatment
Experimental: 1
600 mg/day, oral telbivudine for 52 weeks
Drug: Telbivudine
600 mg/day, oral telbivudine for 52 weeks
Other Names:

Primary Outcome Measures :
  1. Proportion of patients experiencing serious adverse events (for all SAEs, and SAEs attributed to study drug). Proportion of patients experiencing adverse events, coded by body system ( all AEs, and AEs attributed to study drug). [ Time Frame: At Baseline, Week 24 and Week 52 ]

Secondary Outcome Measures :
  1. For HBeAg-positive patients, Maintained Virologic Response, here defined as HBeAg loss and serum HBV DNA PCR negative (COBAS Amplicor PCR < 300 copies/ml) during the whole study period. [ Time Frame: At Baseline, Week 24 and Week 52 ]

Information from the National Library of Medicine

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Ages Eligible for Study:   18 Years and older   (Adult, Older Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No

Inclusion criteria

  • Patient completed Omnibus study and will be available to immediately rollover into this study without discontinuation of study drug.
  • Patient was not discontinued from the previous Omnibus study.
  • Male or female, adult patients with CHB (HBeAg positive or HBeAg negative).
  • Patient is willing and able to provide written informed consent to participate in the study.
  • HBV DNA PCR undetectable in recent 12 months.

Exclusion criteria

  • Pregnant or breastfeeding, or has plan of pregnant during study period.
  • Patient is co-infected with hepatitis C virus (HCV), hepatitis D virus (HDV), r HIV at screening visit.
  • Patient needs any anti-HBV treatment combination (add-on therapy) or switch to other anti HBV treatment from Telbivudine at investigator's discretion.
  • Patient has any laboratory value abnormality that physicians think he/she may not be suitable to continue the Telbivudine treatment.
  • Patient has any clinically significant concurrent severe or unstable disease conditions that physicians think he/she may have any additional risk or not be suitable to participate the study.
  • Patient has evidence of renal insufficiency defined as patient requiring dialysis or having an estimated creatinine clearance below 50mL/min, as estimated by the cockcroft-Gault formula.
  • Patient is currently abusing alcohol or illicit drugs.
  • Patient is enrolled or plans to enroll in another clinical trial of an investigational agent while participating in this study.
  • All other treatments for hepatitis B, including commercially available treatments indicated for conditions other than chronic hepatitis B that are being investigated to treat or may have activity against HBV (e.g., ribavirin, famciclovir, ganciclovir, etc.)
  • Prolonged use of systemic acyclovir or famciclovir defined as episodic treatment with these agents for periods exceeding 10 days every 3 months, or chronic suppressive therapy.
  • Systemic immunomodulators of any type.
  • Systemic corticosteroids ( topical and inhaled corticosteroids are permitted).
  • Herbal medications known to cause hepatotoxicity (e.g., St. John's Wart, Kava, Jin Bu Huan, Yuzhitang, germander, chaparral, shark cartilage, mistletoe, slim 10, Lipokinetix, etc.).
  • Patient has any of the following laboratory values:

    • Hemoglobin < 9 g/dL for menor <8 g/dL for women.
    • Total WBC <1,500/mm3
    • Absolute neutrophil count (ANC)<1,000/mm3
    • Platelet count <30,000/mm3
    • Serum albumin <2.5g/dL
    • Total bilirubin ≥4×ULN
    • Serum creatinine >1.5×ULN

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its identifier (NCT number): NCT00646503

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Novartis Investigative Site
Beijing, China
Sponsors and Collaborators
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Study Director: Novartis Novartis
Publications of Results:
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Responsible Party: Novartis Identifier: NCT00646503    
Other Study ID Numbers: CLDT600ACN04
First Posted: March 28, 2008    Key Record Dates
Last Update Posted: June 22, 2017
Last Verified: June 2017
Keywords provided by Novartis:
Hepatitis B, Chronic
Polymerase Chain reaction
Additional relevant MeSH terms:
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Hepatitis A
Hepatitis B
Hepatitis B, Chronic
Liver Diseases
Digestive System Diseases
Hepatitis, Viral, Human
Virus Diseases
Enterovirus Infections
Picornaviridae Infections
RNA Virus Infections
Hepadnaviridae Infections
DNA Virus Infections
Hepatitis, Chronic
Antiviral Agents
Anti-Infective Agents
Nucleic Acid Synthesis Inhibitors
Enzyme Inhibitors
Molecular Mechanisms of Pharmacological Action