Try our beta test site
IMPORTANT: Listing of a study on this site does not reflect endorsement by the National Institutes of Health. Talk with a trusted healthcare professional before volunteering for a study. Read more...

Maternal Immunization: Giving Immunity For Tomorrow (MI GIFT)

This study has been completed.
Information provided by (Responsible Party):
Julie Shakib, University of Utah Identifier:
First received: November 28, 2011
Last updated: April 12, 2017
Last verified: April 2017

Study objectives are to compare

  • influenza antibody levels in infant sera and maternal colostrum or breast milk at delivery, 2, and 6 months women who receive influenza immunization in early pregnancy, late pregnancy, or no influenza immunization during pregnancy and their infants

Study hypotheses are that infants born to pregnant women who receive influenza immunization in late pregnancy will have

  • higher levels and a longer serum influenza antibody duration in sera (hemagglutination inhibition (HAI) titers) and colostrum/breast milk (influenza-specific IgA and IgG by enzyme-linked immunosorbent assay (ELISA) than infants of women immunized in early pregnancy or not immunized


Study Type: Observational
Study Design: Observational Model: Cohort
Time Perspective: Prospective
Official Title: The Role of Immunizing Pregnant Women In Protecting Young Infants Against Influenza

Resource links provided by NLM:

Further study details as provided by Julie Shakib, University of Utah:

Primary Outcome Measures:
  • Influenza antibody titer levels in infants born to women who receive inactivated influenza vaccine in early pregnancy compared with late pregnancy and no immunization [ Time Frame: Infant antibody titers at delivery ]
    Influenza titers will be measured on infant serum and breast milk samples by HAI assay and on maternal colostrum or breast milk if available by ELISA and neutralization assay

Enrollment: 166
Study Start Date: December 2011
Study Completion Date: December 2015
Primary Completion Date: December 2015 (Final data collection date for primary outcome measure)
Inactivated influenza vaccine in pregnancy
Healthy pregnant women who elect to receive inactivated influenza vaccine in early pregnancy (< 20 weeks gestation) and their infants
No inactivated influenza vaccine during pregnancy
Healthy pregnant women who decline inactivated influenza vaccine in pregnancy and their infants


Ages Eligible for Study:   18 Years to 45 Years   (Adult)
Sexes Eligible for Study:   Female
Accepts Healthy Volunteers:   No
Sampling Method:   Non-Probability Sample
Study Population
Pregnant women and their infants receiving care at University of Utah Health Sciences (UUHS) will be recruited and followed.

Inclusion Criteria:

Pregnant women 18-45 years of age from 8-36 weeks gestation in good health as determined by medical history and recent physical exam who

  • receive prenatal care at the UUHS Obstetrics and Gynecology Clinics and their infants
  • plan to seek care for their infant at the UUHS affiliated Pediatric Clinics (UUHS or SMC Pediatric Clinics)
  • plan for their infant to receive influenza immunization at 6 and 7 months of age

Exclusion Criteria:

  • maternal history of either a congenital or acquired immunodeficiency including infection (e.g. HIV), chronic steroid use, or malignancy
  • serious underlying neurological, cardiac, renal, or pulmonary disease in either the mother or infant
  • multiple gestation
  • antenatal or postnatal detection at delivery of any major birth defect in the infant
  • delivery of the infant before 37 weeks
  Contacts and Locations
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

Please refer to this study by its identifier: NCT01496079

United States, Utah
University of Utah Health Sciences Center
Salt Lake City, Utah, United States, 84108
Sponsors and Collaborators
University of Utah
Principal Investigator: Julie H. Shakib, DO, MS, MPH University of Utah
  More Information

Responsible Party: Julie Shakib, Assistant Professor of Pediatrics, Principal Investigator, University of Utah Identifier: NCT01496079     History of Changes
Other Study ID Numbers: 00051718
Study First Received: November 28, 2011
Last Updated: April 12, 2017

Keywords provided by Julie Shakib, University of Utah:
Maternal immunization
Infant immunization
Influenza vaccine
Passive transfer of immunity

Additional relevant MeSH terms:
Influenza, Human
Orthomyxoviridae Infections
RNA Virus Infections
Virus Diseases
Respiratory Tract Infections
Respiratory Tract Diseases
Immunologic Factors
Physiological Effects of Drugs processed this record on May 25, 2017