NCT02364596

Brief Summary

The purpose of this study is to evaluate the safety and immunogenicity of a single vaccination of an investigational vaccine against Staphylococcus aureus (SA4Ag) in healthy adults aged 18 to \<65 years.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
100

participants targeted

Target at P75+ for phase_1

Timeline
Completed

Started Jan 2015

Shorter than P25 for phase_1

Geographic Reach
1 country

2 active sites

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

January 1, 2015

Completed
7 days until next milestone

First Submitted

Initial submission to the registry

January 8, 2015

Completed
24 days until next milestone

Primary Completion

Last participant's last visit for primary outcome

February 1, 2015

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

February 1, 2015

Completed
17 days until next milestone

First Posted

Study publicly available on registry

February 18, 2015

Completed
Last Updated

April 3, 2015

Status Verified

April 1, 2015

Enrollment Period

1 month

First QC Date

January 8, 2015

Last Update Submit

April 1, 2015

Conditions

Keywords

Staphylococcus aureus vaccineStaphylococcal infection

Outcome Measures

Primary Outcomes (5)

  • Number of subjects reporting local reactions (redness, swelling, and pain at the injection site) as self-reported on electronic diaries (e-diaries) for 10 days after vaccination.

    10 days

  • Number of subjects reporting systemic events (fever, fatigue, headache, vomiting, diarrhea, muscle pain, and joint pain) as self-reported on e-diaries for 10 days after vaccination.

    10 days

  • Number of subjects reporting adverse events (AEs) categorized according to the Medical Dictionary for Regulatory Activities (MedDRA).

    1 month

  • Number of subjects reporting serious adverse events (SAEs) categorized according to the Medical Dictionary for Regulatory Activities (MedDRA).

    1 month

  • Opsonophagocytic activity titers measured as geometric mean titers against S. aureus isolates

    1 month

Secondary Outcomes (1)

  • Competitive Luminex immunoassay titers summarized as geometric mean titers for S. aureus antigens

    1 month

Study Arms (1)

1

EXPERIMENTAL

SA4Ag vaccine

Biological: SA4Ag vaccineProcedure: Blood sample

Interventions

SA4Ag vaccineBIOLOGICAL

Subjects receive 1 intramuscular injection (0.5 mL) of the SA4Ag vaccine.

1
Blood samplePROCEDURE

Blood for immunogenicity will be collected from all subjects at various timepoints.

1

Eligibility Criteria

Age18 Years - 64 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64)

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (2)

Broward Research Group

Hollywood, Florida, 33024, United States

Location

Miami Research Associates

South Miami, Florida, 33143, United States

Location

Related Publications (1)

  • Begier E, Seiden DJ, Patton M, Zito E, Severs J, Cooper D, Eiden J, Gruber WC, Jansen KU, Anderson AS, Gurtman A. SA4Ag, a 4-antigen Staphylococcus aureus vaccine, rapidly induces high levels of bacteria-killing antibodies. Vaccine. 2017 Feb 22;35(8):1132-1139. doi: 10.1016/j.vaccine.2017.01.024. Epub 2017 Jan 28.

MeSH Terms

Conditions

Staphylococcal Infections

Interventions

Blood Specimen Collection

Condition Hierarchy (Ancestors)

Gram-Positive Bacterial InfectionsBacterial InfectionsBacterial Infections and MycosesInfections

Intervention Hierarchy (Ancestors)

Specimen HandlingClinical Laboratory TechniquesDiagnostic Techniques and ProceduresDiagnosisPuncturesSurgical Procedures, OperativeInvestigative Techniques

Study Officials

  • Pfizer CT.gov Call Center

    Pfizer

    STUDY DIRECTOR

Study Design

Study Type
interventional
Phase
phase 1
Allocation
NA
Masking
NONE
Purpose
PREVENTION
Intervention Model
SINGLE GROUP
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

January 8, 2015

First Posted

February 18, 2015

Study Start

January 1, 2015

Primary Completion

February 1, 2015

Study Completion

February 1, 2015

Last Updated

April 3, 2015

Record last verified: 2015-04

Locations