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Clinical Trial Summary

The purpose of this study is to evaluate the pharmacokinetics, feasibility, acceptability, and safety of a fixed-dose combination of emtricitabine and tenofovir disoproxil fumarate (FTC/TDF) as oral daily pre-exposure prophylaxis (PrEP) to prevent HIV during pregnancy and postpartum in adolescents and young women and their infants.

Clinical Trial Description

This study will evaluate the pharmacokinetics, feasibility, acceptability, and safety of FTC/TDF as oral daily PrEP to prevent HIV during pregnancy and postpartum in adolescents and young women and their infants. The study will be conducted in two consecutive components: 1) Pharmacokinetics (PK) Component and 2) PrEP Comparison Component.

In the PK Component, women will be enrolled in one of two groups. Group 1 will include antepartum women at 14 to 24 weeks' gestation and Group 2 will include postpartum women who delivered 6 to 12 weeks prior to enrollment. Both groups will receive a fixed-dose combination of FTC/TDF administered once daily from Day 0 through Week 12.

In the PrEP Comparison Component, women will be enrolled in one of two cohorts. Participants in both Cohorts 1 and 2 will receive a behavioral HIV risk reduction package, including cohort-appropriate short message service (SMS) messages from Day 0 through Week 26. Cohort 1 will also receive daily oral FTC/TDF as PrEP from Day 0 through Week 26 and enhanced adherence support, including SMS messaging and feedback of drug levels with tailored counseling.

Mothers in the PK Component will have weekly study visits through Week 12 to be evaluated for drug levels and monitored for adverse effects, with their infants. Mothers in the PrEP Comparison Component will have several study visits through Week 26 (post-partum). Infants in the PrEP Comparison Component will have four study visits from birth through week 26 of life. For mothers, study visits may include physical examinations, blood and urine collection, vaginal and rectal swab collection, vaginal secretions collection, ultrasounds, and dual-energy x-ray absorptiometry (DXA) scans. For infants, study visits may include physical examinations, rectal swab and blood collection, and DXA scans. ;

Study Design

Related Conditions & MeSH terms

NCT number NCT03386578
Study type Interventional
Source National Institute of Allergy and Infectious Diseases (NIAID)
Contact Kathryn Lypen, MPH
Phone 919-544-7040
Status Recruiting
Phase Phase 2
Start date July 3, 2018
Completion date July 2021

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