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Clinical trialNCT00164411CompletedPhase 1Interventional

Pneumococcal Conjugate Vaccine With Pneumococcal Polysaccharide Vaccine and Tetanus/Diphtheria Vaccine

SponsorCenters for Disease Control and PreventionEnrollment30Pneumococcal Infections
View the registry record on ClinicalTrials.gov

Summary

The lay summary the sponsor registered on ClinicalTrials.gov.

The purpose of this study is to learn whether or not giving a tetanus/diphtheria vaccination ("tetanus shot") before giving pneumococcal vaccine makes the pneumococcal vaccine more effective without causing too many side effects.
clinicaltrials.gov ↗

Investigators

The overall officials registered on this study. Names that resolve to a FindMyKOL profile link to it; the rest are shown as registered.

A profile link is shown only when the registered name resolves to a person record with a confident, namesake-checked match; ambiguous names stay unlinked.

Sites

1 registered facility, with the per-site recruitment status where the registry publishes one. ClinicalTrials.gov does not publish per-site enrollment counts.

United States
  • Emory University School of Medicine

    Atlanta, Georgia, United States

Site investigator names are published by ClinicalTrials.gov only while a study recruits, so completed studies list sites without them.

Drugs studied

The drug and biological interventions registered on this study, normalized to their RxNorm ingredient where possible.

23-valent polysaccharide vaccinePneumococcal 7-valent Conjugate Vaccine (Diphtheria CRM197 Protein)Tetanus-diphtheria toxoids
Linked drugs open the directory filtered to KOLs working with them.clinicaltrials.gov ↗

Registration & key dates

Registry attributes as recorded on the ClinicalTrials.gov study record.

Start
31 Jan 2004
Primary completion
—
Completion
31 Mar 2005
Last update posted
14 Mar 2012
Registered enrollment
30
Registry id
NCT00164411
clinicaltrials.gov ↗

Source: ClinicalTrials.gov, via the CTTI AACT database, data as of 24 Aug 2026. Registry facts are shown as registered by the study sponsor; FindMyKOL does not interpret them.