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Clinical Trial Details — Status: Not yet recruiting

Administrative data

NCT number NCT05795855
Other study ID # STUDY00005432
Secondary ID STUDY00005431U01
Status Not yet recruiting
Phase N/A
First received
Last updated
Start date July 20, 2024
Est. completion date March 31, 2025

Study information

Verified date May 2024
Source Emory University
Contact Lavanya Vasudevan, PhD, MPH
Phone 404-727-8812
Email lavanya.vasudevan@emory.edu
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

This study will test whether proactively connecting expectant parents with factual vaccination information during pregnancy can build confidence in vaccinations and lead to timely vaccinations during pregnancy and once their child is born.


Description:

In the United States (US), parents' decision to delay or refuse vaccines for their children has resulted in pockets of under-vaccination as well as recurring outbreaks of vaccine-preventable diseases. To increase childhood vaccinations and stem recurring outbreaks, there is a need for effective interventions that build parents' confidence in vaccines and reduce their vaccine hesitancy. The first recommended routine vaccination for children is due at birth. Yet, many parents lack timely or evidence-based information on childhood vaccinations prior to their child's birth. Hence, the researchers of this study propose to evaluate ADEPT - an adaptive intervention that is implemented in prenatal care settings to proactively connect expectant parents with evidence-based information on vaccines recommended during pregnancy and for children after birth. The core component of ADEPT includes prenatal provider trainings and a recommendation to pregnant individuals encouraging vaccinations during pregnancy and for children after birth. Those pregnant individuals who remain vaccine-hesitant despite the provider recommendation will receive adaptive intervention components, which include evidence-based educational materials on vaccinations and phone consultations with a vaccine navigator to discuss any residual concerns. In the proposed study, ADEPT will be implemented and evaluated in diverse prenatal care practices in North Carolina. Study prenatal care practices will be randomized to the ADEPT intervention or standard of care to pregnant individuals. Individuals receiving prenatal care at a clinic implementing ADEPT will be screened for vaccination intention following the provider recommendation. Vaccine-hesitant pregnant individuals will be offered enrollment into a nested sub-study designed to assess the implementation of the ADEPT intervention. After the pregnant individuals in the intervention and control arms give birth, the researchers will assess their children's vaccination outcomes at birth, 2, 4, 6, and 12 months using data from the North Carolina Immunization Registry (NCIR). The primary study outcome is the difference in timely childhood vaccination at 2 months between the intervention and control arms. In addition, maternal vaccination data will be collected from NCIR for vaccines during pregnancy.


Recruitment information / eligibility

Status Not yet recruiting
Enrollment 770
Est. completion date March 31, 2025
Est. primary completion date March 31, 2025
Accepts healthy volunteers Accepts Healthy Volunteers
Gender Female
Age group N/A and older
Eligibility Inclusion Criteria: - Nulliparous individuals (no prior live birth) - Singleton pregnancy (excludes twins, triplets, etc.) - No known fetal congenital malformations or genetic abnormalities - Not at known risk for preterm birth - In late second trimester during study recruitment period - Receive prenatal care at one of the study practices Inclusion Criteria for Nested Sub-Study: - Eligible to receive adaptive components of ADEPT (vaccine-hesitant after provider recommendation) - At least 18 years of age - Provide informed consent - Agree to participate in surveys and in-depth interview - Agree for child's vaccination outcomes to be extracted from the North Carolina Immunization Registry (NCIR) - Plan to stay in North Carolina for at least 3 months after delivery Exclusion Criteria: - none

Study Design


Related Conditions & MeSH terms


Intervention

Behavioral:
ADEPT
Prenatal providers will participate in trainings that will lay the foundation for an effective vaccination recommendation. After the completion of training, prenatal care providers will begin making recommendations promoting the importance of maternal and childhood vaccinations to pregnant individuals, as part of routine prenatal care. The core component of ADEPT is prenatal provider training to enable a vaccination recommendation, encouraging pregnant individuals to receive vaccines during pregnancy and for their child after birth. Pregnant individuals who remain vaccine hesitant despite the provider recommendation, will be eligible to receive the adaptive components of ADEPT in the form of evidence-based educational materials on vaccinations and phone consultations with a vaccine navigator to discuss residual concerns.

Locations

Country Name City State
United States Duke Health System Durham North Carolina

Sponsors (1)

Lead Sponsor Collaborator
Emory University

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Primary Proportion of children receiving timely vaccinations The proportion of children who receive vaccinations per the Advisory Committee on Immunization Practices (ACIP) recommended schedule at 2 months-post birth, by study arm. 2 months post birth
Secondary Change in Vaccine Hesitancy In the intervention arm only, vaccine hesitancy will be examined among pregnant individuals in the intervention prenatal practices. When asked about vaccination intention, lack of intention to get vaccinations during pregnancy or for their child after birth will determine if they will receive the adaptive portion of ADEPT. The question will be asked again following completion of the ADEPT adaptive components. 28-32 weeks gestation (after receiving the core ADEPT intervention), following completion of the adaptive portion of ADEPT (prior to birth, typically 40 weeks gestation)
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