Independent directory Public ClinicalTrials.gov records United States
ClinicalTrials.gov record
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Immunogenicity of H. Influenzae Type b PRP-OMP Vaccines in American Indian and Alaska Native Children (the HibVax Study)

ClinicalTrials.gov ID: NCT04978818

Public ClinicalTrials.gov record NCT04978818. 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 20, 2026, 12:41 AM EDT

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

Official title

Immunogenicity of H. Influenzae Type b PRP-OMP Vaccines in American Indian and Alaska Native Children

Study identification

NCT ID
NCT04978818
Recruitment status
Completed
Study type
Interventional
Phase
Phase 4
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Enrollment
333 participants

Conditions and interventions

Interventions

  • Vaxelis Drug
  • PedvaxHIB Drug

Drug

Eligibility (public fields only)

Age range
6 Weeks to 12 Weeks
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
Jan 26, 2022
Primary completion
Oct 25, 2023
Completion
Oct 25, 2023
Last update posted
Jun 23, 2024

2022 – 2023

United States locations

U.S. sites
5
U.S. states
3
U.S. cities
5
Facility City State ZIP Site status
Alaska Native Medical Center Anchorage Alaska 99508
Chinle Center for Indigenous Health Chinle Arizona 86503
Fort Defiance Center for Indigenous Health Fort Defiance Arizona 86504
Gallup Center for Indigenous Health Gallup New Mexico 87301
Shiprock Center for Indigenous Health Shiprock New Mexico 87420

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 NCT04978818, 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 Jun 23, 2024 · Synced Jul 20, 2026

Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.

Open the official record

The complete protocol, eligibility criteria, and contact information for NCT04978818 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →