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Completed Not applicable Interventional Accepts healthy volunteers Results available

Folic Acid and Zinc Supplementation Trial (FAZST)

ClinicalTrials.gov ID: NCT01857310

Public ClinicalTrials.gov record NCT01857310. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Jul 21, 2026, 4:41 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

Folic Acid and Zinc Supplementation Trial: A Multi-center, Double-blind, Block-randomized, Placebo-controlled Trial

Study identification

NCT ID
NCT01857310
Recruitment status
Completed
Study type
Interventional
Phase
Not applicable
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Enrollment
2,370 participants

Conditions and interventions

Interventions

  • 5 mg folic acid and 30 mg elemental zinc Dietary Supplement
  • Placebo Comparator: Placebo Drug

Dietary Supplement · Drug

Eligibility (public fields only)

Age range
18 Years to 45 Years
Sex
All
Healthy volunteers
Accepts healthy volunteers

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
May 31, 2013
Primary completion
May 31, 2019
Completion
May 31, 2019
Last update posted
Nov 18, 2020

2013 – 2019

United States locations

U.S. sites
4
U.S. states
4
U.S. cities
4
Facility City State ZIP Site status
Northwestern University Chicago Illinois 60611
University of Iowa Iowa City Iowa 52242
Center for Reproductive Medicine Minneapolis Minnesota 55407
University of Utah Salt Lake City Utah 84132

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT01857310, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Nov 18, 2020 · Synced Jul 21, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT01857310 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →