CI

At a glance

ClinicalIndex Comparison Record
Phase 2Completed· 269 enrolled
Drug / intervention
GBS-NN/NN2 Vaccine +1 morebiological
Likely dose
GBS-NN/NN2 Vaccine 0.5 mLfrom record
Structured eligibility isn't available for this trial yet — see the full criteria in the Eligibility tab below.

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT05154578
NCT05154578Phase 2Completed

A Multicentre, Multinational, Parallel Group, Observer-blind, Randomised, Placebo-controlled Study on the Group B Streptococcus Vaccine (GBS-NN/NN2), Investigating the Immunogenicity and Safety of Four Vaccination Regimens in Pregnant Woman, Assessing IgG Specific to AlpN Proteins in Cord Blood and Maternal Blood, and the Safety Profile in Mother and Infant up to 6 Months Post-delivery

Minervax ApS·interventional·Posted Dec 13, 2021·Updated Jun 11, 2025

In Brief

A Phase 2 clinical trial evaluating GBS-NN/NN2 Vaccine and Placebo for Group B Streptococcal Infection. Completed, enrolled 269 participants across 10 sites in 3 countries.

Detailed Summary

This is a phase II, multicentre, multinational, randomized, parallel group, placebo-controlled study of four vaccination regimens in healthy pregnant women. There will be 5 treatment groups; three groups of 60 participants will receive will receive two doses of GBS-NN/NN2 vaccine and one dose of placebo (saline); one group of 60 participants will receive one dose of GBS-NN/NN2 vaccine and two doses of placebo (saline), and one group of 30 participants will receive three doses of placebo (saline).

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
CountriesDenmark, South Africa, United Kingdom
CollaboratorsLarix A/S

Timeline

Phase 2CompletedFinished
20222023202420252026
First PostedDec 13, 2021
Enrollment StartFeb 17, 2022
Primary CompletionApr 26, 2023
Study CompletionOct 18, 2023
TodayJul 2, 2026
Enrollment to primary: 1.2 yearsPosted 4.6 years ago

Interventions

GBS-NN/NN2 Vaccinebiological

0.5 mL GBS-NN/NN2 containing 50 μg of GBS-NN and 50 μg of GBS-NN2 and 0.5 mg of aluminium, given by intramuscular injection.

Placebobiological

0.5 mL normal saline given by intramuscular injection