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Virological and clinical anti-HBV efficacy of tenofovir in antiretroviral naive patients with HIV/HBV co-infection

A randomised mulitcentre trial of tenofovir (TDF) vs lamividine (LAM) vs TDF/LAM in antiretroviral naive subjects with HIV/HBV conifection over 48 weeks.

Status
Completed
Phases
Phase 3
Study type
Interventional
Source
ANZCTR
Registry ID
ACTRN12605000436673
Acronym
TICO
Enrollment
36
Registered
2005-09-16
Start date
2004-01-26
Completion date
2007-01-01
Last updated
2020-01-13

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

None listed

Brief summary

A randomised multi-centre trial of tenofovir vs lamivudine vs tenofovir/lamivudine in antiretroviral naive subjects with HIV/HBV co-infection over 48 weeks (Clinical Trial A). Plus, a 12 week viral kinetic sub-study comparing a sub-group of the patients on Clinical Trial A with a group of therapy naive HBV mono-infected subjects (Substudy A1)

Interventions

Tenofovir, Lamivudine over 48 weeks

Sponsors

National Centre in HIV Epidemiology and Clincial Research
Lead SponsorGovernment body

Study design

Allocation
Randomised controlled trial
Intervention model
Parallel
Primary purpose
Treatment
Masking
Open (masking not used)

Eligibility

Sex/Gender
All
Age
18 Years to 70 Years
Healthy volunteers
No

Inclusion criteria

Written informed consent; Documented HIV infection (positive serology for HIV-1 and detectable HIV-1 RNA); HBV DNA > 105 copies/ml; HBsAg positive >6 months or HBsAg positive and anti HB core IgM negative; Creatinine <= 2.0mg/dl (<= 0.2 mmol/L); Platelet count >= 50,000/mm; HIV-1 antiretroviral therapy naive; No prior exposure to anti-HBV agents (LAM, adefovir, TDF) although prior IFN treatment allowed.

Exclusion criteria

HCV-RNA positive or Anti-HAV IgM positive-Acute hepatitis (serum ALT > 1000 U/L)-Active opportunistic infection-Other causes of chronic liver disease identified (autoimmune hepatitis, haemachromatosis, Wilsons disease, alfa-1-antitrypsin deficiency)-Concurrent malignancy requiring cytotoxic chemotherapy-Decompensated or Child's C cirrhosis-Alfa-fetoprotein (AFP) > 3X ULN (unless negative CT scan or MRI within 3 months of entry date)-Pregnancy or lactation-Any other condition which in the opinion of the investigator might interfere with compliance or outcome of the study.

Outcome results

None listed

Source: ANZCTR · Data processed: Feb 4, 2026