Efficacy and Safety of Switching From Retrovir to Tenofovir or Abacavir in HIV-infected Patients
Phase 4
Completed
- Conditions
- HIV Infections
- Interventions
- Registration Number
- NCT00647244
- Lead Sponsor
- Aarhus University Hospital
- Brief Summary
- To evaluate the efficacy and safety of switching from Retrovir to Tenofovir or Abacavir in HIV-infected patients 
- Detailed Description
- Not available 
Recruitment & Eligibility
- Status
- COMPLETED
- Sex
- All
- Target Recruitment
- 40
Inclusion Criteria
- HIV-infection with undetectable viral load
- Antiretroviral treatment including Retrovir for more than three months
- If fertile female: Negative pregnancy test and use of safe contraception
- Negative HBs-antigen titer
Exclusion Criteria
- Prior treatment with abacavir or tenofovir
- Resistance towards abacavir or tenofovir
- Tissue type HLA-B5701
- Renal disease
- Diabetes Mellitus
- Osteoporosis
- Pregnant or lactating subjects
- Intravenous drug abuse
- Hypersensitivity towards drugs or active ingredient used
- ALAT > 5 times upper normal level
- Current alcohol or substance abuse judged by the Investigator to potentially interfere with subject compliance
Study & Design
- Study Type
- INTERVENTIONAL
- Study Design
- PARALLEL
- Arm && Interventions
- Group - Intervention - Description - 1 - Tenofovir disoproxil fumarate - Tenofovir - 2 - Abacavir - Abacavir 
- Primary Outcome Measures
- Name - Time - Method - Renal function measured by Cystatin-C and creatinine clearance - Weeks 0, 4, 8, 12, 24, 24, 48, 96 - Levels of renal tubule function markers in blood and urine - Weeks 0, 12, 24, 48, 96 - Bone mass assessed by DEXA - Weeks 0, 24, 48, 96 - Levels of bone turnover markers in blood and urine - Weeks 0, 12, 24, 48, 96 - Insulin resistance - Weeks 0, 12, 24, 48, 96 - Changes in body composition assessed by patient questionnaire and standardized examination by physician - Weeks 0, 12, 24, 48, 96 - Changes in subcutaneous adipose tissue assessed by DEXA - Week 0, 24, 48, 96 
- Secondary Outcome Measures
- Name - Time - Method - Patients with viral load < 40 copies/ml - Weeks 0, 4, 8, 12, 24, 48, 96 - CD-4 cell count - Weeks 0, 4, 8, 12, 24, 48, 96 - Fasting triglycerides, HDL and LDL - Weeks 0, 12, 24, 48, 96 - Development of resistance mutations - Weeks 0, 12, 24, 48, 96 - Development of adverse events and serious adverse events - Weeks 0, 4, 8, 12, 24, 48, 96 
Related Research Topics
Explore scientific publications, clinical data analysis, treatment approaches, and expert-compiled information related to the mechanisms and outcomes of this trial. Click any topic for comprehensive research insights.
What molecular mechanisms underlie Tenofovir's efficacy in HIV-infected patients previously treated with AZT?
How does Abacavir compare to Tenofovir in terms of virologic suppression and resistance profiles in HIV-1 subtype B infections?
Which biomarkers correlate with successful antiretroviral switching from AZT to Tenofovir in patients with thymidine analog mutations?
What are the long-term safety implications of switching from Retrovir to Tenofovir or Abacavir in HIV treatment-experienced patients?
How do Tenofovir and Abacavir combination regimens compare to standard-of-care NRTI backbones in managing HIV viral load and CD4+ T cell counts?
Trial Locations
- Locations (1)
- Aarhus University Hospital 🇩🇰- Århus N, Denmark Aarhus University Hospital🇩🇰Århus N, Denmark
