HIV Infections Clinical Trial
Official title:
Phase I Safety and Pharmacokinetic Study of Maraviroc in HIV-1-Exposed Infants at Risk of Acquiring HIV-1 Infection
Verified date | December 2021 |
Source | National Institute of Allergy and Infectious Diseases (NIAID) |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
This study aimed to evaluate the safety, tolerability, and pharmacokinetics of maraviroc in infants at risk for mother-to-child HIV transmission, and to determine an appropriate dose of maraviroc during the first six weeks of life.
Status | Completed |
Enrollment | 47 |
Est. completion date | November 20, 2019 |
Est. primary completion date | September 6, 2019 |
Accepts healthy volunteers | No |
Gender | All |
Age group | N/A to 3 Days |
Eligibility | Inclusion Criteria: - Mother was of legal age to provide independent informed consent for research participation and was willing and able to provide written informed consent for her and her infant's participation in this study. - Mother had confirmed HIV-1 infection based on testing of two samples collected at different time points. More information on this criterion can be found in the protocol. - At entry, infant met EFV exposure requirements, based on mother's report and confirmed by medical records if available, as follows: - For Cohort 1, Stratum 1A: Infant born to a mother who did not receive EFV during the eight weeks immediately prior to delivery. Note: Breastfeeding and formula feeding infants were eligible for this stratum. - For Cohort 1, Stratum 1B: Infant born to a mother who received EFV for a minimum of two weeks immediately prior to delivery. Note: Breastfeeding and formula feeding infants were eligible for this stratum. - For Cohort 2, Stratum 2A: Infants born to a mother who did not receive EFV during the eight weeks immediately prior to delivery and if breastfeeding, mother was not receiving maternal EFV. Note: Breastfeeding and formula feeding infants were eligible for this stratum. - For Cohort 2, Stratum 2B: Breastfeeding infants born to a mother who received EFV for a minimum of two weeks immediately prior to delivery, intended to breastfeed for a minimum of six weeks and continued to receive maternal EFV while breastfeeding. Note: Only breastfeeding infants were eligible for this stratum. - At birth, infant's estimated gestational age was at least 37 weeks. Note: If gestational age at birth is not documented in the infant's available birth records, study staff may assess gestational age at the earliest possible opportunity during the screening period and use this assessment for purposes of eligibility determination. - At birth, infant's weight was at least 2 kg. Note: If weight at birth is not documented in the infant's available birth records, study staff may assess infant weight at the earliest possible opportunity during the screening period and use this assessment for purposes of eligibility determination. - At entry, infant was less than or equal to 3 days old. - At entry, infant had the following lab values: - Grade 0 alanine transaminase (ALT) (normal) - Less than or equal to Grade 1 aspartate aminotransferase (AST) and total bilirubin - Less than or equal to Grade 2 hemoglobin, white blood cell counts, platelet counts - At entry, infant had initiated antiretroviral prophylaxis that did not include a potent CYP3A4 inhibitor or inducer. See the protocol for more information. - At entry, infant was assessed by the site investigator or designee as generally healthy based on review of available medical records, other available medical history information, and physical examination findings. - Born after singleton delivery (not after multiple birth). Exclusion Criteria: - Infant had any other condition that, in the opinion of the site investigator or designee, would make participation in the study unsafe, complicate interpretation of study outcome data, or otherwise interfere with achieving the study objectives; for example, severe congenital malformation, other medical condition, or clinically significant finding from physical examination. - At entry, any positive infant HIV nucleic acid test result (results are not required to be available prior to entry but any positive results obtained prior to entry are exclusionary). - At entry, infant or breastfeeding mother was receiving any disallowed medication listed in the protocol. - Mother received maraviroc during pregnancy. |
Country | Name | City | State |
---|---|---|---|
Kenya | Kenya Medical Research Institute / Walter Reed Project Clinical Research Center, Kericho CRS | Kericho | |
South Africa | Umlazi CRS | Durban | Kwa Zulu Natal |
South Africa | Soweto IMPAACT CRS | Johannesburg | Gauteng |
Thailand | Siriraj Hospital ,Mahidol University NICHD CRS | Bangkok | Bangkoknoi |
United States | Univ. of Colorado Denver NICHD CRS | Aurora | Colorado |
United States | Lurie Children's Hospital of Chicago (LCH) CRS | Chicago | Illinois |
United States | Rush Univ. Cook County Hosp. Chicago NICHD CRS | Chicago | Illinois |
United States | Usc La Nichd Crs | Los Angeles | California |
United States | St. Jude Children's Research Hospital CRS | Memphis | Tennessee |
Lead Sponsor | Collaborator |
---|---|
National Institute of Allergy and Infectious Diseases (NIAID) | Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD), GlaxoSmithKline, ViiV Healthcare |
United States, Kenya, South Africa, Thailand,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Percentage of Participants Failing to Meet Safety Endpoint Related to Maraviroc for Dose-Finding | Percentage (%) of failure and Clopper-Pearson 95% Confidence Interval (CI). Failure is defined as having: Any life threatening adverse event (AE), including death, assessed as at least possibly related to the study drug, AEs of Grade 3 or higher judged by the Core Protocol Team to be probably or definitely related to the study drug, or that result in permanent discontinuation of study drug due to an AE, judged by Core Protocol Team to be at least possibly related to study drug | Cohort 1: Measured from first dose of maraviroc to 7 Day Post Dose Visit (up to 25 days). Cohort 2: Measured from first dose of maraviroc to Week 6 Visit (up to 42 days). | |
Primary | Percentage of Participants Failing to Meet Safety Endpoint Related to Maraviroc for Analysis | Percentage (%) of failure and Clopper-Pearson 95% CI. Failure is defined as: Any life threatening AE, including death, assessed as at least possibly related to the study drug, AEs of Grade 3 or higher judged by the Core Protocol Team to be probably or definitely related to the study drug, or that result in permanent discontinuation of study drug due to an AE, judged by Core Protocol Team to be at least possibly related to study drug | Measured from first dose of maraviroc to Week 6 Visit (up to 42 days) | |
Primary | Number of Participants Failing to Meet PK Target | Number of failures. The pharmacokinetic (PK) target is Average Concentration (Cavg) greater than or equal to 75 ng/mL (based on a dose interval of every 12 hours). Failure is defined as Cavg <75 ng/mL at each intensive PK visit. For Cohort 1: For the Entry Visit, PK samples were drawn at: pre-dose and at 1-2, 4-8, 11-13, 20-24, and 48-72 hours post-dose. For the Week 1 Visit, PK samples were drawn at: pre-dose and 1-2 and 22-26 hours post-dose. For Cohort 2: For both intensive PK visits, PK samples were drawn at: pre-dose and 1-2, 3-5, 6-8, and 11-13 hours post-dose. |
Cohort 1: Measured at Entry (First visit) and Week 1 Visit (Second visit). Cohort 2: Measured at Week 1 (First visit) and Week 4 Visit (Second visit). | |
Primary | Pharmacokinetic (PK) Parameter: Average Concentration (Cavg) | Pharmacokinetic parameters were determined from plasma concentration-time profiles using non-compartmental methods (Phoenix 64, WinNonlin, Pharsight Corp., Mountain View, CA). Cavg was determined as the area-under-the-curve (AUC) divided by the dose interval, tau (t) of every 12 hours. For Cohort 1: For the Entry Visit, PK samples were drawn at: pre-dose and at 1-2, 4-8, 11-13, 20-24, and 48-72 hours post-dose. For the Week 1 Visit, PK samples were drawn at: pre-dose and 1-2 and 22-26 hours post-dose. For Cohort 2: For both intensive PK visits, PK samples were drawn at: pre-dose and 1-2, 3-5, 6-8, and 11-13 hours post-dose. |
Cohort 1: Measured at Entry and Week 1 Visit. Cohort 2: Measured at Week 1 and Week 4 Visit | |
Primary | Pharmacokinetic (PK) Parameter: Area-under-the-curve (AUC) | Pharmacokinetic parameters were determined from plasma concentration-time profiles using non-compartmental methods (Phoenix 64, WinNonlin, Pharsight Corp., Mountain View, CA). For Cohort 1 (single doses), area-under-the-curve (AUC) was determined from time zero to infinity. For Cohort 2 (at steady-state), area-under-the-curve (AUC) was determined from time pre-dose to tau (12 hours). For Cohort 1: For the Entry Visit, PK samples were drawn at: pre-dose and at 1-2, 4-8, 11-13, 20-24, and 48-72 hours post-dose. For the Week 1 Visit, PK samples were drawn at: pre-dose and 1-2 and 22-26 hours post-dose. For Cohort 2: For both intensive PK visits, PK samples were drawn at: pre-dose and 1-2, 3-5, 6-8, and 11-13 hours post-dose. |
Cohort 1: Measured at Entry (First visit) and Week 1 Visit (Second visit). Cohort 2: Measured at Week 1 (First visit) and Week 4 Visit (Second visit). | |
Primary | Pharmacokinetic (PK) Parameter: Maximum Concentration (Cmax) | Pharmacokinetic parameters were determined from plasma concentration-time profiles. Cmax was the observed highest concentration. For Cohort 1: For the Entry Visit, PK samples were drawn at: pre-dose and at 1-2, 4-8, 11-13, 20-24, and 48-72 hours post-dose. For the Week 1 Visit, PK samples were drawn at: pre-dose and 1-2 and 22-26 hours post-dose. For Cohort 2: For both intensive PK visits, PK samples were drawn at: pre-dose and 1-2, 3-5, 6-8, and 11-13 hours post-dose. |
Cohort 1: Measured at Entry (First visit) and Week 1 Visit (Second visit). Cohort 2: Measured at Week 1 (First visit) and Week 4 Visit (Second visit). | |
Primary | Pharmacokinetic (PK) Parameter: Time of Maximum Concentration (Tmax) | Pharmacokinetic parameters were determined from plasma concentration-time profiles. Tmax was the time at which Cmax, the observed highest concentration, occurred. For Cohort 1: For the Entry Visit, PK samples were drawn at: pre-dose and at 1-2, 4-8, 11-13, 20-24, and 48-72 hours post-dose. For the Week 1 Visit, PK samples were drawn at: pre-dose and 1-2 and 22-26 hours post-dose. For Cohort 2: For both intensive PK visits, PK samples were drawn at: pre-dose and 1-2, 3-5, 6-8, and 11-13 hours post-dose. |
Cohort 1: Measured at Entry (First visit) and Week 1 Visit (Second visit). Cohort 2: Measured at Week 1 (First visit) and Week 4 Visit (Second visit). | |
Primary | Pharmacokinetic (PK) Parameter: Trough Concentration (Ctau) | Pharmacokinetic parameters were determined from plasma concentration-time profiles. Ctau was the observed concentration at the trough time of 12 hours post-dose with steady-state dosing. For Cohort 2: For both intensive PK visits, PK samples were drawn at: pre-dose and 1-2, 3-5, 6-8, and 11-13 hours post-dose. |
Measured at Week 1 and Week 4 Visit | |
Secondary | Percentage of Participants Failing to Meet Long-Term Safety Endpoint Related to Maraviroc for Dose-Finding | Percentage (%) of failure and Clopper-Pearson 95% CI. Failure is defined as having: Any life threatening AE, including death, assessed as at least possibly related to the study drug, AEs of Grade 3 or higher judged by the Core Protocol Team to be probably or definitely related to the study drug, or that result in permanent discontinuation of study drug due to an AE, judged by Core Protocol Team to be at least possibly related to study drug | Measured from first dose of maraviroc to Week 16 Visit (up to 140 days) | |
Secondary | Percentage of Participants Failing to Meet Long-Term Safety Endpoint Related to Maraviroc for Analysis | Percentage (%) of failure and Clopper-Pearson 95% CI. Failure is defined as having: Any life threatening AE, including death, assessed as at least possibly related to the study drug, AEs of Grade 3 or higher judged by the Core Protocol Team to be probably or definitely related to the study drug, or that result in permanent discontinuation of study drug due to an AE, judged by Core Protocol Team to be at least possibly related to study drug | Measured from first dose of maraviroc to Week 16 Visit (up to 140 days) |
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