A Efficacy and Safety Study of Adefovir Dipivoxil to Treat Chinese Patients With HBeAg+ve Chronic Hepatitis B
A Multi-Centre, Double-Blind , Randomized, Placebo-Controlled Phase II/III Study of Adefovir Dipivoxil for the Treatment of Chinese Patients With HBeAg Positive Chronic Hepatitis B Followed by Long-Term (5 Years Total) Adefovir Dipivoxil Treatment. (Report on Year 1 and Year 2 Data)
Studieoversigt
Status
Status
Betingelser
Betingelser
Intervention / Behandling
Intervention / Behandling
Undersøgelsestype
Undersøgelsestype
Tilmelding (Faktiske)
Tilmelding
Fase
Fase
- Fase 3
Kontakter og lokationer
Studiesteder
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Beijing, Kina, 100044
- GSK Investigational Site
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Beijing, Kina, 100011
- GSK Investigational Site
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Chongqing, Kina, 400038
- GSK Investigational Site
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Chongquin, Kina, 400038
- GSK Investigational Site
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Shanghai, Kina, 200040
- GSK Investigational Site
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Guangdong
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Guangzhou, Guangdong, Kina, 510515
- GSK Investigational Site
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Guangzhou, Guangdong, Kina, 510630
- GSK Investigational Site
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Jilin
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Changchun, Jilin, Kina, 130021
- GSK Investigational Site
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Shandong
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Jinan, Shandong, Kina
- GSK Investigational Site
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Zhejiang
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Hangzhou, Zhejiang, Kina, 310003
- GSK Investigational Site
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Deltagelseskriterier
Berettigelseskriterier
Berettigelseskriterier
Aldre berettiget til at studere
Tager imod sunde frivillige
Køn, der er berettiget til at studere
Beskrivelse
Inclusion Criteria:
- Aged 18-65 years
- Presence of HBsAg and HBeAg at the time of screening and for at least 6 months prior to screening.
- Positive HBV DNA plasma assay with screening value equal or more than 10 (6) copies/mL (Roche COBAS AMPLICORTM HBV MONITOR Test, LLOD less than 300 copies/mL) at the time of screening (within 4 weeks of randomisation).
- Evidence of elevated serum ALT levels defined as serum ALT level greater than or equal to 2.0 times (inclusive) the upper limit of the normal range (ULN) in the previous 6 months, and serum ALT levels greater than 1.0 times the ULN at the time of screening.
Exclusion Criteria:
- Evidence of hepatocellular carcinoma;
- Clinical signs of liver decompensation;
- Serum creatinine more than 1.5 mg/dL;
- ALT more than 10 x ULN; seropositivity for hepatitis C or D virus or HIV;
- Lamivudine therapy within 3 months prior to screening;
- ADV therapy or any other anti-HBV therapy within the previous 6 months;
- Use of systemic antiviral agents, immunomodulators, immunosuppressive therapy, Chinese Traditional Medicines or agents known to lower ALT levels during the study.
Studieplan
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
- Primært formål: Behandling
- Tildeling: Randomiseret
- Interventionel model: Parallel tildeling
- Maskning: Tredobbelt
Antal våben
Våben og indgreb
Deltagergruppe / ArmDeltagergruppe / Arm |
Intervention / BehandlingIntervention / Behandling |
|---|---|
|
Eksperimentel: Adefovir Dipivoxil
ADV 10mg tablets once daily
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Adefovir Dipivoxil (12 weeks) + open lable Adefovir Dipivoxil (28 weeks) + Adefovir Dipivoxil (12 weeks) + Open label Adefovir Dipivoxil (52-260weeks)
Adefovir Dipivoxil (12 weeks) + Open label Adefovir Dipivoxil (28 weeks) + placebo (12 weeks) + open label-Adefovir Dipivoxil (52-260 weeks)
Placebo (12 weeks) + Open label Adefovir Dipivoxil (28 weeks) + Adefovir Dipivoxil (12 weeks) + Open label Adefovir Dipivoxil (52-260 weeks)
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|
Placebo komparator: Adefovir Dipivoxil matched placebo
Adefovir Dipivoxil matched placebo one tablet once daily
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Adefovir Dipivoxil (12 weeks) + Open label Adefovir Dipivoxil (28 weeks) + placebo (12 weeks) + open label-Adefovir Dipivoxil (52-260 weeks)
Placebo (12 weeks) + Open label Adefovir Dipivoxil (28 weeks) + Adefovir Dipivoxil (12 weeks) + Open label Adefovir Dipivoxil (52-260 weeks)
|
Hvad måler undersøgelsen?
Primære resultatmål
Primære resultatmål
Resultatmål |
Tidsramme |
|---|---|
|
The log10 reduction in HBV DNA from baseline at week 12 between ADV 10mg and matching placebo
Tidsramme: Week 12
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Week 12
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Sekundære resultatmål
Sekundære resultatmål
Resultatmål |
Tidsramme |
|---|---|
|
The proportion of subjects with ALT normalisation
Tidsramme: Week 52, 104, 156, 208, 260
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Week 52, 104, 156, 208, 260
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log10 reduction in serum HBV DNA
Tidsramme: Week 52, 104, 156, 208, 260
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Week 52, 104, 156, 208, 260
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The proportion of subjects with HBV DNA 10(5) copies/mL or a 2 log10 reduction from Baseline HBV DNA level
Tidsramme: Week 52, 104, 156, 208, 260
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Week 52, 104, 156, 208, 260
|
|
The proportion of subjects with HBeAg loss
Tidsramme: Week 52, 104, 156, 208, 260
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Week 52, 104, 156, 208, 260
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The proportion of subjects with HBeAg seroconversion
Tidsramme: Week 52, 104, 156, 208, 260
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Week 52, 104, 156, 208, 260
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The proportion of subjects developing N236T and A181V HBV DNA genotypic mutations associated with ADV resistance
Tidsramme: Week 52, 104, 156, 208, 260
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Week 52, 104, 156, 208, 260
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The proportion of subjects with HBV DNA undetectable (<300 copies/mL)
Tidsramme: Week 52, 104, 156, 208, 260
|
Week 52, 104, 156, 208, 260
|
Samarbejdspartnere og efterforskere
Sponsor
Sponsor
Datoer for undersøgelser
Studer store datoer
Studiestart
Studiestart
Primær færdiggørelse (Faktiske)
Primær færdiggørelse
Studieafslutning (Faktiske)
Studieafslutning
Datoer for studieregistrering
Først indsendt
Først indsendt
Først indsendt, der opfyldte QC-kriterier
Først indsendt, der opfyldte QC-kriterier
Først opslået (Skøn)
Først opslået
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Skøn)
Sidste opdatering sendt
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidst verificeret
Sidst verificeret
Mere information
Begreber relateret til denne undersøgelse
Yderligere relevante MeSH-vilkår
- Sygdomme i fordøjelsessystemet
- RNA-virusinfektioner
- Virussygdomme
- Infektioner
- Blodbårne infektioner
- Overførbare sygdomme
- Leversygdomme
- Hepatitis, viral, menneskelig
- Hepadnaviridae infektioner
- DNA-virusinfektioner
- Enterovirus infektioner
- Picornaviridae infektioner
- Hepatitis B
- Hepatitis
- Hepatitis A
- Hepatitis B, kronisk
- Hepatitis, kronisk
Andre undersøgelses-id-numre
Andre undersøgelses-id-numre
- ADF30001
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