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A Study to Assess the Persistence of a GBS Antibody in Women Previously Immunized With a GBS Vaccine

A Phase I Extension Study to Assess the Long-Term Persistence of GBS Serotype Ia Antibodies in Women Previously Immunized With a GBS Ia Crm-Glycoconjugate Vaccine

Status
Completed
Phases
Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT01052935
Enrollment
50
Registered
2010-01-21
Start date
2010-01-31
Completion date
2010-10-31
Last updated
2017-06-14

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Group B Streptococcus (GBS) Disease

Keywords

Group B streptococcus, GBS, Vaccine

Brief summary

This study looks at the body's immune responses to a GBS vaccine 2 years after the orginal vaccine(s) were given in the V98P1 study. Blood will be drawn and evaluated for GBS antibody levels.

Interventions

No vaccine will be administered in this study. Only one study visit is required. Subjects will return to the clinic for a single visit at 24 months (± 3 months) after the last injection administered in the V98P1 study.

Sponsors

Novartis Vaccines
CollaboratorINDUSTRY
Novartis
Lead SponsorINDUSTRY

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
PREVENTION
Masking
NONE

Eligibility

Sex/Gender
FEMALE
Age
20 Years to 42 Years
Healthy volunteers
Yes

Inclusion criteria

* Individuals who have given written consent. * Individuals who participated in V98P1 and received the complete schedule of vaccinations.

Exclusion criteria

* Individuals who have not given written consent. * Subjects who did not receive the complete schedule of vaccination in V98P1.

Design outcomes

Primary

MeasureTime frame
Antibody (Ab) response data at 24-months after the last injection given in study V98P1 GMCs, GMRs and associated 95% confidence intervals will also be determined24- months post last injection from V98P1

Countries

Switzerland

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026