An Extension to Viral Kinetics Study of Telbivudine and Entecavir in Adults With Chronic Hepatitis B
An Extension to A Randomized, Open-label, Controlled, Multicenter, Exploratory Trial to Characterize the Results of Daily Oral Administration of Telbivudine (LDT600) 600 mg or Entecavir (ETV) 0.5 mg Given Over 12 Weeks on the Kinetics of Hepatitis B Virus (HBV) DNA in Adults With HBeAg-positive, Compensated Chronic Hepatitis B (CHB) (An Open-label Multicenter, follow-on Trial of the Safety of Oral Administration of Telbivudine (LDT600) 600 mg Over 21 Months in Adults With HBeAg-positive Ompensated Chronic Hepatitis B (CHB))
1 other identifier
interventional
44
1 country
6
Brief Summary
This study is to evaluate the safety of telbivudine for up to 21 months of open-label treatment in patients with chronic hepatitis B who have completed the CLDT600A2407 trial. Patients treated with telbivudine during core phase will continue telbivudine and patients treated with entecavir during core phase will be switched to telbivudine if the patient is willing to enroll this study.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P25-P50 for phase_4
Started Apr 2007
Typical duration for phase_4
6 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
April 1, 2007
CompletedFirst Submitted
Initial submission to the registry
April 27, 2007
CompletedFirst Posted
Study publicly available on registry
April 30, 2007
CompletedPrimary Completion
Last participant's last visit for primary outcome
September 1, 2009
CompletedStudy Completion
Last participant's last visit for all outcomes
September 1, 2009
CompletedJune 23, 2017
May 1, 2012
2.4 years
April 27, 2007
June 21, 2017
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Safety of telbivudine (LDT600) up to 21 additional months of open-label treatment in patients with chronic hepatitis B who have completed study CLDT600A2407 assessed by Adverse Events, data of vital signs and other tests
Secondary Outcomes (1)
Safety of patients switched from entecavir to telbivudine compared with patients continuing telbivudine assessed by Adverse Events, data of vital signs and other tests
Interventions
Eligibility Criteria
You may qualify if:
- The patient has completed the previous CLDT600A2407 study and is able to immediately enter this extension study with no study drug discontinuation
- Patient is willing and able to comply with the study drug regimen and all other study requirements
- The patient is willing and able to provide written informed consent to participate in the extension study.
You may not qualify if:
- Patient is pregnant or breastfeeding.
- Patient is co-infected with HCV, HDV, or HIV.
- History of malignancy of any organ system, treated or untreated, within the past 5 years with the exception of localized basal cell carcinoma of the skin.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (6)
Novartis Investigative Site (705-035)
Daegu, South Korea
Novartis Investigative Site , (420-717)
Gyeonggi-do, South Korea
Novartis Investigative Site , (405-760)
Incheon, South Korea
Novartis Investigative Site , (136-705)
Seoul, South Korea
Novartis Investigative Site , (150-590)
Seoul, South Korea
Novartis Investigative Site
Seoul, South Korea
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Study Officials
- STUDY DIRECTOR
Novartis
Novartis
Study Design
- Study Type
- interventional
- Phase
- phase 4
- Allocation
- NON RANDOMIZED
- Masking
- NONE
- Purpose
- TREATMENT
- Intervention Model
- SINGLE GROUP
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
April 27, 2007
First Posted
April 30, 2007
Study Start
April 1, 2007
Primary Completion
September 1, 2009
Study Completion
September 1, 2009
Last Updated
June 23, 2017
Record last verified: 2012-05