HIV Clinical Trial - Nevirapine Dosing in Neonates for Prophylaxis of

Status Completed

Clinical Trial Summary

The purpose of this study is to determine whether the current dose of nevirapine recommended in the Ontario Ministry of Health vertical transmission prevention protocol achieves therapeutic drug levels in newborn infants at high risk of HIV infection.

Clinical Trial Description

Although nevirapine (NVP) is often given as part of combination antiretroviral therapy (cART) at our institutions for prevention of vertical transmission (VT) in high risk infants, the optimal prophylactic dose of nevirapine is unknown. The National Institute of Health (NIH) guidelines currently recommend a single 2 mg/kg dose of nevirapine given to the infant within 72 hours of birth, however, this dose is not being used in practice given the controversies previously described with single-dose nevirapine. In the absence of any guidance to inform the multiple daily dosing of nevirapine for prophylaxis of VT, we are currently using the treatment dose for infants >15 days of age of 150 mg/m2 once daily for 14 days, then increasing to 150 mg/m2 twice daily for 14 days. This is analogous to the treatment dosing of triple antiretrovirals (ARVs) that is given for occupational post-exposure prophylaxis. Nevirapine is given for 4 weeks total with zidovudine (AZT) and lamivudine (3TC), followed by 2 additional weeks of AZT and 3TC to prevent the development of nevirapine resistance from its long half life. Stopping all 3 drugs simultaneously would result in a period of functional NVP monotherapy, resulting in a risk of NVP resistance should the infant become infected despite prophylaxis. Since the dose of nevirapine being used in our clinic populations for prevention of VT is higher than has been previously studied in neonates, it is important to evaluate the safety and efficacy of this dosing regimen, using therapeutic drug monitoring. ;

Study Design

Observational Model: Case-Only, Time Perspective: Prospective

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT02166502
Study type	Observational
Source	The Hospital for Sick Children
Contact
Status	Completed
Phase	Phase 3
Start date	February 2012
Completion date	November 2015

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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.

Nevirapine Dosing in Neonates for Prophylaxis of Mother-to-Child-Transmission (MTCT) of HIV Infection

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms