HIV Clinical Trial - A Phase II/III Trial of Lopinavir/Ritonavir Dosed

Status Completed

Clinical Trial Summary

Treatment of children and infants with HIV requires modification of medication dosing according to a child's specific weight. For lopinavir/ritonavir (LPV/r), a second line treatment option that is increasingly necessary due to infant drug resistance, this dosing is often complicated and impractical in busy clinical settings. To address this, the World Health Organization (WHO) has released a simplified dosing table based on infant weight bands. This study will evaluate the absorption, safety, and tolerance of LPV/r in infants when dosed according to the new WHO guidelines.

Clinical Trial Description

Because of previous exposure to nevirapine or other non-nucleoside reverse transcriptase inhibitors (NNRTIs), either by direct treatment or through their mothers in pregnancy, infants must often receive an alternate antiretroviral regimen that includes LPV/r. Dosing of LPV/r is currently based on a child's specific weight, and calculations of proper dosages are often too complicated to be practical in busy clinics, particularly those in limited resource settings. In order to simplify medication delivery and reduce prescribing errors, the WHO has released a dosing schedule for LPV/r based on groupings of infants and children by weight. This study will evaluate the pharmacokinetics, safety, and tolerance of LPV/r dosed according to these guidelines. The following strata were used to guide accrual: Number of Participants to be Enrolled by Weight Band: 3-4.9 kg: 11 liquid 5-6.9 kg: 11 liquid 7-9.9 kg: 17 liquid 10-16.9 kg: 11 liquid, 22 tablet 17-19.9 kg: 11 tablet 20-24.9 kg: 11 tablet Participation in this study will last 6 months. Infant participants and their caretakers will need to attend study visits at entry and Weeks 2, 4, 12, and 24. At entry, participants will be given LPV/r either in liquid or tablet form, depending on whether they can swallow pills. Dosing will be calculated using the WHO schedule. At all study visits, participants will undergo a physical exam and caretakers will be asked about how well the child is taking the study medications. In addition, at Weeks 4, 12, and 24, blood samples will be taken from the participant to determine health and levels of the medication in the body. The visit on Week 4 will also require pharmacokinetic testing, which means the child will need to be monitored at the hospital for 12 hours and complete six additional blood drawls. All other study visits will last 1 to 2 hours. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT01172535
Study type	Interventional
Source	National Institute of Allergy and Infectious Diseases (NIAID)
Contact
Status	Completed
Phase	Phase 2/Phase 3
Start date	November 2010
Completion date	December 2013

View Details

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

A Phase II/III Trial of Lopinavir/Ritonavir Dosed According to the WHO Pediatric Weight Band Dosing Guidelines

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms