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A Study of Zidovudine During Labor and Delivery in HIV-Infected Pregnant Women

2014-08-27 03:59:55 | BioPortfolio

Summary

To obtain a pharmacokinetic profile of oral ZDV and to determine whether the oral administration of Zidovudine (ZDV) during labor and delivery will provide a similar profile to that obtained with the use of IV ZDV in ACTG 082. To evaluate the tolerance of oral ZDV in this population, defined as the ability to take oral doses and lack of vomiting within 30 minutes of receiving oral study doses.

The worldwide use of constant intrapartum ZDV infusions to prevent transmission is not practical or feasible. Approximately 18% of the women in the ACTG 076 trial missed their IV ZDV infusions, even at experienced ACTG sites. There is an urgent need to establish a more practical method of delivering ZDV during labor and delivery that, at minimum, will approximate the rate of ZDV administration utilized in ACTG 082. In the future, this would enable women to start an intensive ZDV regimen during early labor, even prior to reaching the hospital.

Description

The worldwide use of constant intrapartum ZDV infusions to prevent transmission is not practical or feasible. Approximately 18% of the women in the ACTG 076 trial missed their IV ZDV infusions, even at experienced ACTG sites. There is an urgent need to establish a more practical method of delivering ZDV during labor and delivery that, at minimum, will approximate the rate of ZDV administration utilized in ACTG 082. In the future, this would enable women to start an intensive ZDV regimen during early labor, even prior to reaching the hospital.

Cohort 1: Women in active labor receive 3 doses of oral ZDV 3 hours apart followed by PK sampling. After PK sampling post 3rd oral dose, or at 8 cm dilation (whichever comes first), women receive IV ZDV until delivery. The cord blood will be analyzed for serum ZDV PK levels and the infant's infection status will be determined. If the dose of ZDV is adequate to achieve targeted maternal serum drug levels in Cohort 1 and if oral dosing is tolerated in this cohort, Cohort 2 will begin enrollment. [AS PER AMENDMENT 08/03/01: Cohort 1 has been completed and only Cohort 2 is open for enrollment.] Cohort 2: [AS PER AMENDMENT 08/03/01: Women in active labor receive initial loading dose of oral ZDV, then another dose of oral ZDV 3 hours later, both doses followed by PK sampling. After PK sampling post second oral dose, or at 8 cm dilation (whichever comes first), woman receives IV ZDV until delivery. The cord blood will not be analyzed for serum ZDV PK levels and the infant's infection status will be determined.]

Study Design

Endpoint Classification: Pharmacokinetics Study, Intervention Model: Parallel Assignment, Primary Purpose: Treatment

Conditions

HIV Infections

Intervention

Zidovudine

Location

UCSD Med Ctr / Pediatrics / Clinical Sciences
La Jolla
California
United States
920930672

Status

Active, not recruiting

Source

National Institute of Allergy and Infectious Diseases (NIAID)

Results (where available)

View Results

Links

Published on BioPortfolio: 2014-08-27T03:59:55-0400

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