HIV
Conditions
Keywords
pharmacokinetics, atazanavir/ritonavir, HIV-infected children
Brief summary
There are no data on efficacy, safety and pharmacokinetics of ATV/r-based HAART in HIV-infected Asian children. Therefore, the investigators aim to evaluate the pharmacokinetics, efficacy and safety of ATV/r-based HAART in Thai HIV-infected children.
Detailed description
Non-nucleoside reverse transcriptase inhibitor (NNRTI)-based HAART have been commonly prescribed as the first-line HAART for HIV-infected children in resource-limited settings. Protease inhibitor (PI)-based HAART are the recommended second-line regimen after failing NNRTI-based HAART. The most commonly used PI in Thailand is lopinavir/ritonavir (LPV/r). However, the metabolic complications of lopinavir/ritonaive (LPV/r) such as hyperlipidemia and lipodyrtrophy are common and a concern for HIV-infected children as it may contribute to the development of cardiovascular disease in the longer term. There are data on efficacy, safety and pharmacokinetics of ATV/r-based HAART in HIV-infected adults but none in children. Furthermore, many studies in both adults and children have shown that different ethnicities can result in different pharmacokinetic response to antiretroviral drugs. As a result of this, this study investigated the efficacy, safety and pharmacokinetics of ATV/r-based HAART in HIV-infected Asian children.
Interventions
ATV/r will be taken orally once daily with food plus standard dose of 2 NRTIs according to Thai National HIV treatment guideline
Sponsors
Study design
Eligibility
Inclusion criteria
1. HIV-infected children 2. Age from 6- 18 years old 3. Body weight ≥ 25 kg at screening visit 4. ARV history, the children can be categorized in one of these 2 groups 5. ALT \<200 IU/L at screening visit 6. Total bilirubin \< 3 mg/dL at the screening visit 7. Can swallow capsule 8. Written informed consent from caregivers and assent (from children aged 7-17 years who know their HIV status)
Exclusion criteria
1. Active opportunistic infection 2. Relevant history or current condition, illness that might interfere with atazanavir/ritonavir absorption, distribution, metabolism or excretion. 3. Use of concomitant medication that may interfere with the pharmacokinetics of ATV/r (i.e. efavirenz, indinavir, proton pump inhibitor, antacids, cisapride, clarithromycin, rifampin etc.) 4. Pregnancy or lactating at screening visit 5. Liver diseases e.g. hepatitis B carrier, chronic hepatitis, cirrhosis 6. Inability to understand the nature and extent of the study and the procedures required.
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| pharmacokinetics of atazanavir/ritonavir (ATV/r) | 48 weeks | Ctrough and Area under the curve (AUC) of atazanavir (ATV) and ritonavir (RTV) will be assessed |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| CD4 | 48 weeks | Assess CD percent and count at week 48 |
| plasma viral load (HIV RNA) | 48 weeks | assess HIV RNA at week 24 and 48 |
| hyperbilirubin | 48 weeks | evaluate total and direct bilirubin at weeks 24 and 48 |
Countries
Thailand