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Virus Therapy

Safety and Immunogenicity of an Intranasal RSV Vaccine Expressing SARS-CoV-2 Spike Protein (COVID-19 Vaccine) in Adults

Phase 1
Waitlist Available
Research Sponsored by Meissa Vaccines, Inc.
Eligibility Criteria Checklist
Specific guidelines that determine who can or cannot participate in a clinical trial
Must have
Be older than 18 years old
Timeline
Screening 3 weeks
Treatment Varies
Follow Up full study duration, an average of 1 year
Awards & highlights
No Placebo-Only Group

Summary

This trial is testing an investigational vaccine to see if it is safe and if it produces an immune response in people who have not been infected with the coronavirus and have not been vaccinated against it.

Eligible Conditions
  • Coronavirus

Timeline

Screening ~ 3 weeks
Treatment ~ Varies
Follow Up ~full study duration, an average of 1 year
This trial's timeline: 3 weeks for screening, Varies for treatment, and full study duration, an average of 1 year for reporting.

Treatment Details

Study Objectives

Study objectives can provide a clearer picture of what you can expect from a treatment.
Primary study objectives
Change in serum neutralizing antibody titers against vaccine-encoded SARS-CoV-2 S protein
Medically attended adverse events (MAEs)
Serious adverse events (SAEs)
+2 more
Secondary study objectives
Change in serum binding antibody concentrations against vaccine-encoded SARS-CoV-2 S protein
Potential vaccine virus shedding: duration
Potential vaccine virus shedding: frequency
+1 more

Awards & Highlights

No Placebo-Only Group
All patients enrolled in this study will receive some form of active treatment.

Trial Design

8Treatment groups
Experimental Treatment
Group I: Cohort B / Dosage Group 6 (intranasal drops) / Single DoseExperimental Treatment1 Intervention
Participants in this arm (56-69 years) will receive a single intranasal dose of the MV-014-212 vaccine at Dosage 3 in the form of intranasal drops on Day 1.
Group II: Cohort B / Dosage Group 5 (intranasal drops) / Single DoseExperimental Treatment1 Intervention
Participants in this arm (56-69 years) will receive a single intranasal dose of the MV-014-212 vaccine at Dosage 2 in the form of intranasal drops on Day 1.
Group III: Cohort B / Dosage Group 4 (intranasal drops) / Single DoseExperimental Treatment1 Intervention
Participants in this arm (56-69 years) will receive a single intranasal dose of the MV-014-212 vaccine at Dosage 1 in the form of intranasal drops on Day 1.
Group IV: Cohort A / Dosage Group 3b (intranasal spray) / Single DoseExperimental Treatment1 Intervention
Participants in this arm (18-55 years) will receive a single intranasal dose of the MV-014-212 vaccine at Dosage 3 in the form of a nasal spray on Day 1.
Group V: Cohort A / Dosage Group 3a (intranasal drops) / Two DosesExperimental Treatment1 Intervention
Participants in this arm (18-55 years) will receive an intranasal dose of the MV-014-212 vaccine at Dosage 3 in the form of intranasal drops on Day 1. These participants will receive a second, identical dose of the MV-014-212 vaccine at Dosage 3 in the form of intranasal drops on Day 36.
Group VI: Cohort A / Dosage Group 3a (intranasal drops) / Single DoseExperimental Treatment1 Intervention
Participants in this arm (18-55 years) will receive a single intranasal dose of the MV-014-212 vaccine at Dosage 3 in the form of intranasal drops on Day 1.
Group VII: Cohort A / Dosage Group 2 (intranasal drops) / Single DoseExperimental Treatment1 Intervention
Participants in this arm (18-55 years) will receive a single intranasal dose of the MV-014-212 vaccine at Dosage 2 in the form of intranasal drops on Day 1.
Group VIII: Cohort A / Dosage Group 1 (intranasal drops) / Single DoseExperimental Treatment1 Intervention
Participants in this arm (18-55 years) will receive a single intranasal dose of the MV-014-212 vaccine at Dosage 1 in the form of intranasal drops on Day 1.

Find a Location

Logistics

Participation is compensated

You will be compensated for participating in this trial.

Who is running the clinical trial?

Meissa Vaccines, Inc.Lead Sponsor
4 Previous Clinical Trials
177 Total Patients Enrolled
Oliver Medzihradsky, MD MPH MSStudy DirectorMeissa Vaccines, Inc.
4 Previous Clinical Trials
177 Total Patients Enrolled
Jay Lieberman, MDStudy DirectorMeissa Vaccines, Inc.
1 Previous Clinical Trials
63 Total Patients Enrolled
~28 spots leftby Dec 2025