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Completed No phase listed Observational Accepts healthy volunteers

Long-term Impact of Pneumococcal Conjugate Vaccine on Carriage

ClinicalTrials.gov ID: NCT00294021

Public ClinicalTrials.gov record NCT00294021. 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 23, 2026, 6:12 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

Long-term Impact of the Pneumococcal Conjugate Vaccine on Pneumococcal Nasopharyngeal Colonization and Immune Correlates for Disease Protection

Study identification

NCT ID
NCT00294021
Recruitment status
Completed
Study type
Observational
Phase
Not listed
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Enrollment
1,000 participants

Conditions and interventions

Interventions

Not listed

Eligibility (public fields only)

Age range
Not listed
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
Feb 28, 2006
Primary completion
Not listed
Completion
Mar 31, 2008
Last update posted
Sep 25, 2012

2006 – 2008

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
Johns Hopkins Center for American Indian Health Chinle, Fort Defiance, Whiteriver, AZ; Gallup, Shiprock, NM Arizona

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 NCT00294021, 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 Sep 25, 2012 · Synced Jul 23, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT00294021 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →