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NCT02955160 · ClinicalTrials.gov registry record · Phase 1

A Phase 1, Randomized, Controlled, Observer-blinded Trial to Evaluate the Safety and Immunogenicity of a Multivalent Pneumococcal Conjugate Vaccine in Healthy Adults Aged 18 to 49 Years

A Phase 1 study of Pneumococcal Infections, sponsored by Pfizer.

Completed
Registry status
Phase 1
Development phase
66
Enrollment target
1
Study location

NCT02955160: Completed Phase 1 study of Pneumococcal Infections, sponsored by Pfizer.

NCT02955160 is a Phase 1 study of Pneumococcal Infections that has completed, run by Pfizer. The registered enrollment target is 66 participants, below the 898-participant average among 10 other Pneumococcal Infections trials with a reported enrollment target (93% lower). The trial reports 1 study location across 1 state. According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT02955160, a Phase 1 study of Pneumococcal Infections, has completed, sponsored by Pfizer.

COMPLETED
Registry status
Phase 1
Development phase
66 participants
Enrollment target
1
Study location

Study Summary

This is a Phase 1 first-in-human, randomized, controlled, observer-blinded study with a 2-arm parallel design. Healthy adults aged 18 to 49 years of age with no history of pneumococcal vaccination will be randomized equally to receive either a single intramuscular dose of multivalent pneumococcal conjugate vaccine or a licensed tetanus, diphtheria, acellular pertussis combination vaccine (Tdap) (control group).

Conditions Studied

Interventions

  • BIOLOGICAL Multivalent
  • BIOLOGICAL Tdap

Study Locations (1)

Connecticut

  • New Haven Clinical Research Unit - New Haven

Trial Details

FieldValue
Enrollment Target 66 participants
Start Date 2016-11-03
Est. Completion 2017-08-01
Phase Phase 1
Pfizer

1,845 total trials

What the finished NCT02955160 record still lists

NCT02955160 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 66 participants, a relatively small participant target, below the 898-participant average among 10 other Pneumococcal Infections trials with a reported enrollment target (93% lower).

The record links to 1 condition, with Pneumococcal Infections appearing as the primary indexed condition, and to 2 interventions - of which Multivalent is the first listed.

NCT02955160 reports a single indexed study location in Connecticut.

Frequently Asked Questions

What is clinical trial NCT02955160 about?

NCT02955160 is a clinical study titled "A Phase 1, Randomized, Controlled, Observer-blinded Trial to Evaluate the Safety and Immunogenicity of a Multivalent Pneumococcal Conjugate Vaccine in Healthy Adults Aged 18 to 49 Years". This is a Phase 1 first-in-human, randomized, controlled, observer-blinded study with a 2-arm parallel design. Healthy adults aged 18 to 49 years of age with no history of pneumococcal vaccination will be randomized equally to receive either a single intramuscular dose of multivalent pneumococcal co...

What is the current status of trial NCT02955160?

This trial is currently completed. It is a Phase 1 study. The enrollment target is 66 participants. The study started on 2016-11-03. Estimated completion is 2017-08-01.

What conditions does trial NCT02955160 study?

This clinical trial studies the following conditions: Pneumococcal Infections.

What interventions are being tested in trial NCT02955160?

The interventions under investigation include: Multivalent (BIOLOGICAL), Tdap (BIOLOGICAL).

Who is sponsoring clinical trial NCT02955160?

This trial is sponsored by Pfizer, which has 1,845 total clinical trials registered on ClinicalTrials.gov.

Where is trial NCT02955160 being conducted?

This trial has 1 study location across Connecticut. Contact the study sites directly through ClinicalTrials.gov for enrollment availability.

Similar trials for Pneumococcal Infections

Matched on the same primary condition, ranked to surface studies in the same phase first, then by recruiting status, no relevance scoring or editorial curation.

Where NCT02955160's enrollment target sits among peer trials

66 11th of 10 the lowest of 10 other Pneumococcal Infections trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Pneumococcal Infections trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source ClinicalTrials.gov registry export · 2026-08-08

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Source: ClinicalTrials.gov NCT02955160, the US trial registry maintained by the National Library of Medicine. NCT02955160 (small enrollment · single site footprint · completed) retrieved and formatted by PlainTrial, see methodology.