- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02166502
Nevirapine Dosing in Neonates for Prophylaxis of Mother-to-Child-Transmission (MTCT) of HIV Infection
November 17, 2015 updated by: Ari Bitnun, The Hospital for Sick Children
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.
Study Overview
Status
Completed
Detailed 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 Type
Observational
Enrollment (Actual)
27
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Locations
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Ontario
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Ottawa, Ontario, Canada
- Children's Hospital of Eastern Ontario
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Toronto, Ontario, Canada, M5G1X8
- The Hospital for Sick Children
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Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
No older than 3 days (Child)
Accepts Healthy Volunteers
Yes
Genders Eligible for Study
All
Sampling Method
Non-Probability Sample
Study Population
The patients in this study are newborn infants clinically prescribed combination antiretroviral treatment with nevirapine for prevention of mother-to-child HIV transmission.
These infants are routinely referred to the SickKids and CHEO HIV clinics in Toronto and Ottawa, respectively, for ongoing management.
The majority of referrals are from Mount Sinai Hospital and St. Michael's Hospital in Toronto, and the Ottawa General Hospital in Ottawa.
Description
Inclusion Criteria:
- Newborn infants prescribed combination antiretroviral treatment with nevirapine for prevention of mother-to-child HIV transmission. These infants are routinely referred to the Hospital for Sick Children (SickKids) and Children's Hospital of Eastern Ontario (CHEO) HIV clinics in Toronto and Ottawa, respectively, for ongoing management. The majority of referrals are from Mount Sinai Hospital and St. Michael's Hospital in Toronto, and the Ottawa General Hospital in Ottawa.
- Voluntary informed consent by the legal guardian
Exclusion Criteria:
- Infants born prior to 32 weeks gestational age;
- Infants with life-threatening medical conditions;
- Infants unable to take oral medication;
- Infants born to women considered at high risk of harboring nevirapine resistance mutations in whom Kaletra (lopinavir/ritonavir) is a therapeutic option (e.g. term neonates) will be excluded and prescribed Kaletra rather than nevirapine
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
Cohorts and Interventions
Group / Cohort |
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Nevirapine
The patients in this study are newborn infants clinically prescribed combination antiretroviral treatment with nevirapine for prevention of mother-to-child HIV transmission.
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Proportion of nevirapine trough (Cmin) plasma levels that are above or below the target range for prophylaxis
Time Frame: Weeks 1, 2, and 4
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Weeks 1, 2, and 4
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Final dose of nevirapine
Time Frame: Week 4
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Final dose of nevirapine required to achieve target plasma trough concentrations at week 4
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Week 4
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Derived pharmacokinetic parameters
Time Frame: Week 4
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Derived pharmacokinetic parameters volume of distribution (Vd)(L/kg), elimination rate (ke), clearance (mL/kg/hr), Cmin (ug/L), Cmax (ug/L), Tmax (hrs), and Area under the Curve (AUC)
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Week 4
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Association between nevirapine levels and incidence of adverse effects
Time Frame: Weeks 1, 2 and 4
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Number of adverse events among patients with therapeutic vs. supratherapeutic nevirapine levels
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Weeks 1, 2 and 4
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Association between patient characteristics and differences in nevirapine levels
Time Frame: Baseline, Week 1, 2 and 4
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Patient characteristics that may explain differences in nevirapine levels including chronologic and gestational age, weight, and ethnic background.
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Baseline, Week 1, 2 and 4
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Rate of vertical transmission of HIV
Time Frame: 18 months
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18 months
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Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
Collaborators
Investigators
- Principal Investigator: Ari Bitnun, MD, The Hospital for Sick Children
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start
February 1, 2012
Primary Completion (Actual)
May 1, 2015
Study Completion (Actual)
November 1, 2015
Study Registration Dates
First Submitted
June 5, 2014
First Submitted That Met QC Criteria
June 14, 2014
First Posted (Estimate)
June 18, 2014
Study Record Updates
Last Update Posted (Estimate)
November 18, 2015
Last Update Submitted That Met QC Criteria
November 17, 2015
Last Verified
November 1, 2015
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
- Pathologic Processes
- RNA Virus Infections
- Virus Diseases
- Blood-Borne Infections
- Sexually Transmitted Diseases, Viral
- Sexually Transmitted Diseases
- Lentivirus Infections
- Retroviridae Infections
- Immunologic Deficiency Syndromes
- Immune System Diseases
- Disease Attributes
- Slow Virus Diseases
- HIV Infections
- Infections
- Communicable Diseases
- Acquired Immunodeficiency Syndrome
Other Study ID Numbers
- 1000029134
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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