CI

At a glance

ClinicalIndex Comparison Record
Phase 3Completed· 4,205 enrolled
Drug / intervention
ABNCoV2 +1 morebiological
Likely dose
ABNCoV2 100μgfrom 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/NCT05329220
NCT05329220Phase 3Completed

Evaluation of the Immunogenicity, Safety, and Tolerability of a Single Dose of ABNCoV2 Vaccine in Adult Subjects Previously Vaccinated for SARS-CoV-2: a Phase 3 Trial in Two Parts

Bavarian Nordic·interventional·Posted Apr 14, 2022·Updated Feb 24, 2025

In Brief

A Phase 3 clinical trial evaluating ABNCoV2 and Comirnaty for COVID-19 Disease. Completed, enrolled 4,205 participants across 57 sites in 3 countries.

Detailed Summary

This trial is composed of a randomized, double-blind, active controlled component (Part A) and an open-label, single-arm component (Part B) conducted in parallel. Part A is designed to compare vaccination with a single 100 µg dose of ABNCoV2 to a single 30 µg adult booster dose of Comirnaty (active control) in adult subjects who either previously completed primary vaccination (Cohort 1) or have already received 1 booster dose (Cohort 2) of SARS-CoV-2 locally authorized vaccine(s), and whose last locally authorized SARS-CoV-2 vaccination was at least 3 months prior to the screening visit. Subjects will be randomized in a 1:1 ratio to receive either ABNCoV2 or Comirnaty. Part B is designed to collect ABNCoV2 safety and tolerability data from a larger population of adult subjects, as well as additional immunogenicity data from a subset. Part B involves vaccination with the same single 100 µg dose of ABNCoV2 in the same population of adult subjects as the randomized component, and subjects will similarly be enrolled into 2 cohorts according to whether they have completed primary vaccination only or primary plus booster vaccination.

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
CountriesBelgium, Denmark, United States
Collaborators--

Timeline

Phase 3CompletedFinished
2023202420252026
First PostedApr 14, 2022
Enrollment StartAug 30, 2022
Primary CompletionMar 15, 2023
Study CompletionOct 5, 2023
TodayJul 2, 2026
Enrollment to primary: 7 monthsPosted 4.2 years ago

Interventions

ABNCoV2biological

ABNCoV2 100μg single dose

Comirnatybiological

Comirnaty