Status:

COMPLETED

Trial to Evaluate the Safety, Tolerability, and Immunogenicity of A Multivalent Group B Streptococcus Vaccine When Administered Concomitantly With Tdap in Healthy Nonpregnant Women

Lead Sponsor:

Pfizer

Conditions:

Group B Streptococcus Infections

Eligibility:

FEMALE

18-49 years

Phase:

PHASE2

Brief Summary

This phase 2B, placebo-controlled, randomized, observer-blinded trial will evaluate the safety, tolerability, and immunogenicity of the investigational multivalent group B streptococcus vaccine admini...

Eligibility Criteria

Inclusion

  • Healthy women ≥18 and ≤49 years of age.
  • Participants who are willing and able to comply with scheduled visits, investigational plan, laboratory tests, lifestyle considerations, and other study procedures, including completion of the e-diary from Day 1 to Day 7 following administration of investigational product.
  • Healthy females at enrollment who are determined by medical history, physical examination, and clinical judgment of the investigator to be eligible for inclusion in the study.
  • Expected to be available for the duration of the study and who can be contacted by telephone during study participation.
  • Capable of giving personal signed informed consent.

Exclusion

  • Pregnant female participants; breastfeeding female participants; positive urine pregnancy test for women of childbearing potential (WOCBP) at Visit 1 (prior to vaccination)
  • History of severe adverse reaction associated with a vaccine and/or severe allergic reaction (eg, anaphylaxis) to any component of the investigational product or any diphtheria toxoid-containing or CRM197-containing vaccine.
  • History of microbiologically proven invasive disease caused by group B streptococcus.
  • Immunocompromised participants with known or suspected immunodeficiency.
  • Bleeding diathesis or condition associated with prolonged bleeding that would in the opinion of the investigator contraindicate intramuscular injection.
  • Other acute or chronic medical or psychiatric condition, including recent (within the past year) or active suicidal ideation/behavior or laboratory abnormality that may increase the risk of study participation or, in the investigator's judgment, make the participant inappropriate for the study.
  • Previous vaccination with any licensed or investigational GBS vaccine, or planned receipt during the participant's participation in the study (through the 1-month follow-up visit \[Visit 2\]).
  • Vaccination within 5 years with tetanus and diphtheria toxoids and acellular pertussis-containing vaccines (Tdap) before investigational product administration.
  • Participants who receive treatment with immunosuppressive therapy, including cytotoxic agents or systemic corticosteroids
  • Vaccination with diphtheria- or CRM197-containing vaccine(s) from 6 months before investigational product administration, or planned receipt through the 1-month follow-up visit.
  • Receipt or planned receipt of blood/plasma products or immunoglobulin, from 60 days before investigational product administration through the 1-month follow-up visit
  • Participation in other studies involving investigational drug(s) within 28 days prior to study entry and/or during study participation

Key Trial Info

Start Date :

August 12 2022

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

April 27 2023

Estimated Enrollment :

306 Patients enrolled

Trial Details

Trial ID

NCT04766086

Start Date

August 12 2022

End Date

April 27 2023

Last Update

May 24 2024

Active Locations (12)

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Page 1 of 3 (12 locations)

1

Alliance for Multispecialty Research, LLC

Newton, Kansas, United States, 67114

2

Quality Clinical Research, Inc

Omaha, Nebraska, United States, 68114

3

Alliance for Multispecialty Research, LLC

Las Vegas, Nevada, United States, 89119

4

Accellacare - Raleigh

Raleigh, North Carolina, United States, 27609