Multivitamin Dosage Regimens in the Prevention of Adverse Pregnancy Outcomes Among HIV-Positive Women

November 9, 2010 updated by: Harvard School of Public Health (HSPH)

Comparison of Two Multivitamin Dosage Regimens in the Prevention of Adverse Pregnancy Outcomes Among HIV-Positive Women From Tanzania

The purpose of this study is to examine effects of daily administration of multivitamin supplements at doses resembling the Recommended Dietary Allowance (RDA) during pregnancy to HIV positive women decreases the risks of low birth weight (<2500 g), and pre-term birth (< 37 weeks gestation), compared to multivitamin supplements at doses above the RDA.

Study Overview

Detailed Description

This is a randomized clinical trial conducted to examine effects of daily administration of multivitamin supplements at doses resembling the Recommended Dietary Allowance (RDA) during pregnancy to HIV positive women decreases the risks of low birth weight (<2500 g), and pre-term birth (< 37 weeks gestation), compared to multivitamin supplements at doses above the RDA. All women receive standard prenatal care, including nevirapine for the prevention of mother-to-child transmission of HIV.

Study Type

Interventional

Enrollment (Actual)

1141

Phase

  • Phase 3

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

    • Massachusetts
      • Boston, Massachusetts, United States, 02115
        • Harvard School of Public Health

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

18 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

Female

Description

Inclusion Criteria:

- HIV-positive pregnant women who are between 12 and 27 weeks gestation who intend to stay in Dar es Salaam until delivery.

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

  • Primary Purpose: Prevention
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: Quadruple

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: Multivitamins-Single RDA
Multivitamins at doses resembling a single daily Recommended Dietary Allowance (RDA)
1.4 mg B1, 1.4 mg B2, 1.9 mg B6, 50 mcg B12, 100 mg niacin, 70 mg C, 10 mg E, and 0.4 mg folic acid taken orally once per day until 6 weeks after delivery
Active Comparator: Multivitamins-Multiples of RDA
Multivitamin supplements at multiples of the Recommended Dietary Allowance (RDA)
20 mg B1, 20 mg B2, 25 mg B6, 50 mcg B12, 100 mg niacin, 500 mg C, 30 mg E, 0.8 mg folic acid taken orally once per day until 6 weeks after delivery

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Time Frame
Low birthweight (< 2500 g)
Time Frame: Delivery
Delivery
Pre-term birth (< 36 weeks gestation)
Time Frame: Monthly until the 32nd week of pregnancy, once every 2 weeks from 32nd to 36th week
Monthly until the 32nd week of pregnancy, once every 2 weeks from 32nd to 36th week

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Investigators

  • Principal Investigator: Wafaie W. Fawzi, MD,DrPH, Harvard School of Public Health (HSPH)

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

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

November 1, 2002

Primary Completion (Actual)

July 1, 2005

Study Completion (Actual)

July 1, 2005

Study Registration Dates

First Submitted

September 13, 2005

First Submitted That Met QC Criteria

September 13, 2005

First Posted (Estimate)

September 20, 2005

Study Record Updates

Last Update Posted (Estimate)

November 11, 2010

Last Update Submitted That Met QC Criteria

November 9, 2010

Last Verified

November 1, 2010

More Information

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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