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NCT07199569 · ClinicalTrials.gov registry record · Phase 2

Comparability Trial of the MVA-BN Vaccine Manufactured in Different Production Cells

A Phase 2 study of Monkeypox (Mpox), sponsored by Bavarian Nordic.

Recruiting
Registry status
Phase 2
Development phase
744
Enrollment target
10
Study locations

NCT07199569: Recruiting Phase 2 study of Monkeypox (Mpox), sponsored by Bavarian Nordic.

NCT07199569 is a Phase 2 study of Monkeypox (Mpox) that is actively recruiting participants, run by Bavarian Nordic. The registered enrollment target is 744 participants, above the 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target (459% higher). The trial reports 10 study locations across 8 states. According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT07199569, a Phase 2 study of Monkeypox (Mpox), is actively recruiting participants, sponsored by Bavarian Nordic.

RECRUITING
Registry status
Phase 2
Development phase
744 participants
Enrollment target
10
Study locations

Study Summary

andomized, double-blind, phase 2b trial to assess comparability in immunogenicity, safety, and reactogenicity of MVA-BN vaccine manufactured in primary chicken embryo fibroblast (CEF) cells and the CCX.E10 quail cell line in adults

Primary Outcome

Titer of serum neutralizing antibodies against vaccinia virus as measured by plaque reduction neutralization tests (PRNTs)

Conditions Studied

Interventions

  • BIOLOGICAL Jynneos
  • BIOLOGICAL MVA-BN (Quail)

Study Locations (10)

North Carolina

  • Accellacare of Cary - Cary Medical Group - Cary
  • Accellacare Research of Salisbury - Salisbury

Texas

  • Avacare - Austin
  • Avacare - Fort Worth

Iowa

  • Accellacare and McFarland Clinic - Ames

Kansas

  • Johnson County ClinTrials, LLC - Lenexa

New York

  • Rochester Clinical Research, Inc - Rochester

South Carolina

  • Accellacare of Charleston - Mt. Pleasant

Tennessee

  • Accellacare - Knoxville - Knoxville

Virginia

  • Velocity Clinical Research - Suffolk

Trial Details

FieldValue
Enrollment Target 744 participants
Start Date 2025-10-27
Est. Completion 2026-10-31
Phase Phase 2
Bavarian Nordic

41 total trials

What NCT07199569 shows while recruiting

NCT07199569 is an interventional study that assigns participants to a tested intervention. The registered 744 participants enrollment target is mid-sized for trials with a published cap, above the 133-participant average among 30,622 other Phase 2 trials with a reported enrollment target (459% higher).

The record links to 1 condition, with Monkeypox (Mpox) appearing as the primary indexed condition, and to 2 interventions - of which Jynneos is the first listed.

NCT07199569 lists 10 locations in 8 states (North Carolina, Texas, Iowa).

Frequently Asked Questions

What is clinical trial NCT07199569 about?

NCT07199569 is a clinical study titled "Comparability Trial of the MVA-BN Vaccine Manufactured in Different Production Cells". andomized, double-blind, phase 2b trial to assess comparability in immunogenicity, safety, and reactogenicity of MVA-BN vaccine manufactured in primary chicken embryo fibroblast (CEF) cells and the CCX.E10 quail cell line in adults

What is the current status of trial NCT07199569?

This trial is currently recruiting. It is a Phase 2 study. The enrollment target is 744 participants. The study started on 2025-10-27. Estimated completion is 2026-10-31.

What conditions does trial NCT07199569 study?

This clinical trial studies the following conditions: Monkeypox (Mpox).

What interventions are being tested in trial NCT07199569?

The interventions under investigation include: Jynneos (BIOLOGICAL), MVA-BN (Quail) (BIOLOGICAL).

Who is sponsoring clinical trial NCT07199569?

This trial is sponsored by Bavarian Nordic, which has 41 total clinical trials registered on ClinicalTrials.gov.

Where is trial NCT07199569 being conducted?

This trial has 10 study locations across Iowa, Kansas, New York, North Carolina, South Carolina. Contact the study sites directly through ClinicalTrials.gov for enrollment availability.

How this trial's enrollment target compares

Where NCT07199569's enrollment target sits among peer trials

744 44th of 2000 higher than 1,957 of 2,000 other Phase 2 trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Phase 2 trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source ClinicalTrials.gov registry export · 2026-08-08

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Source: ClinicalTrials.gov NCT07199569, the US trial registry maintained by the National Library of Medicine. NCT07199569 (mid enrollment · multi site footprint · recruiting) retrieved and formatted by PlainTrial, see methodology.