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Clinical Trial Summary

The purpose of this study was to assess the safety and pharmacokinetics (PK) of three monoclonal antibodies, VRC01, VRC01LS, and VRC07-523LS, in HIV-exposed infants who are at increased risk of mother-to-child HIV transmission.


Clinical Trial Description

VRC01, VRC01LS, and VRC07-523LS are anti-HIV neutralizing monoclonal antibodies that may help prevent mother-to-child transmission of HIV. This study enrolled HIV-infected mothers who were at increased risk of passing HIV on to their children. The purpose of this study was to assess the safety and PK of VRC01, VRC01LS, and VRC07-523LS in HIV-exposed infants. This study enrolled mother-infant pairs into five dose groups. Infants enrolled in Dose Group 1 and Dose Group 2 received a single VRC01 injection less than 72 hours after birth. Infants in Dose Group 3 received a VRC01 injection less than 5 days after birth, followed by VRC01 injections monthly for at least 6 months and no more than 18 months, while breastfeeding. Dose Groups 4 and 5 each enrolled infants into two cohorts: Cohort 1 (non-breastfeeding) or Cohort 2 (breastfeeding). Infants in Dose Group 4, Cohort 1 received a single VRC01LS injection less than 72 hours after birth. Infants in Dose Group 4, Cohort 2 received an initial VRC01LS injection no longer than 5 days after birth, and a second VRC01LS injection at Week 12 if they were still breastfeeding. Infants in Dose Group 5, Cohort 1 received a single VRC07-523LS injection less than 72 hours after birth. Infants in Dose Group 5, Cohort 2 received an initial VRC07-523LS injection no longer than 5 days after birth, and a second VRC07-523LS injection at Week 12 if they were still breastfeeding. The mothers did not receive any VRC01, VRC01LS, or VRC07-523LS injections. At study entry, all mothers underwent a medical history review and a blood collection, and then the study ended for the mothers. Infants in Dose Groups 1 and 2 attended study visits at days 0, 1, 3, 7, 14, 28 and at weeks 8, 16, 24, and 48. Infants in Dose Group 3 attended study visits at days 0, 1, 14, 28 and at weeks 8, 12, 16, 20, 24, and every 4 weeks until cessation of breastfeeding or week 72, then at weeks 84 and 96. Infants in Dose Group 4 attended study visits at days 0, 1, 14, 28 and at weeks 8, 12, 24, 36, 48, 60, 72, 84 and 96, with additional visits at weeks 14 and 16 for Cohort 2 participants. Infants in Dose Group 5 attended study visits at days 0, 1, 3, 7, 14, 28 and at weeks 8, 12, 24, 36, 48, 60, 72, 84 and 96, with additional visits at weeks 14 and 16 for Cohort 2 participants. Visits included a medical history review, physical examination, blood collection, and oral fluid collection. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT02256631
Study type Interventional
Source National Institute of Allergy and Infectious Diseases (NIAID)
Contact
Status Completed
Phase Phase 1
Start date June 30, 2015
Completion date December 16, 2021

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