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

M

Meissa Vaccines

Status and phase

Enrolling
Phase 1

Conditions

Covid19

Treatments

Biological: Investigational vaccine against SARS-CoV-2 [MV-014-212] Dosage 3, Single Dose, Intranasal Drops
Biological: Investigational vaccine against SARS-CoV-2 [MV-014-212] Dosage 2, Single Dose, Intranasal Drops
Biological: Investigational vaccine against SARS-CoV-2 [MV-014-212] Dosage 3, Single Dose, Intranasal Spray
Biological: Investigational vaccine against SARS-CoV-2 [MV-014-212] Dosage 1, Single Dose, Intranasal Drops
Biological: Investigational vaccine against SARS-CoV-2 [MV-014-212] Dosage 3, Two Doses, Intranasal Drops

Study type

Interventional

Funder types

Industry

Identifiers

Details and patient eligibility

About

This study evaluates an investigational vaccine that is designed to protect humans against infection with SARS-CoV-2, the novel coronavirus causing COVID-19 disease. The investigational vaccine, MV-014-212, is a live attenuated vaccine against respiratory syncytial virus (RSV) that is expressing the spike (S) protein of SARS-CoV-2. MV-014-212 is administered as drops or a spray in the nose. Specifically, this study analyzes the safety of, and the immune response to, the vaccine when administered to healthy adults between the ages of 18 and 69 years who are seronegative to SARS-CoV-2 and have not received a prior vaccine against COVID-19.

Enrollment

130 estimated patients

Sex

All

Ages

18 to 69 years old

Volunteers

Accepts Healthy Volunteers

Inclusion criteria

  • Healthy adults ≥18 and <56 years (Cohort A) and ≥56 years and <70 years (Cohort B) as determined at the day of signing informed consent
  • SARS-CoV-2 RT-PCR (nasal swab) negative at Day 1 pre-dose
  • Women of childbearing potential (WOCBP) or male subjects with partners who are WOCBP must agree to practice contraception during their study participation from the signing of informed consent for at least 3 months after the final MV-014-212 administration.
  • Written informed consent

Exclusion criteria

  • Diagnosis of chronic pulmonary disease (e.g. chronic obstructive pulmonary disease, asthma, pulmonary fibrosis, cystic fibrosis). Resolved childhood asthma is not exclusionary.
  • Immunocompromised state due to comorbidities or other conditions as detailed in the study protocol
  • Nasal obstruction (including due to anatomic/structural causes, acute or chronic rhinosinusitis, or other causes)
  • Receipt of any other SARS-CoV-2, other experimental coronavirus, or experimental RSV vaccine at any time prior to the study
  • Healthcare worker, long-term care or nursing home facility resident or employee, member of an emergency response team, or other occupation with high risk of exposure to SARS-CoV-2, and those working outside the home in customer facing occupations (e.g. waiter, cashier or store clerk, public transportation or taxi driver)
  • Positive serum pregnancy test during Screening and/or positive urine pregnancy test on Day 1
  • Breastfeeding during any period of study participation
  • Occupational or household exposure to children <5 years of age or to immunocompromised persons
  • Receipt of or scheduled to receive any other SARS-CoV-2 vaccine prior to Day 1. Once dosed with MV-014-212, subjects should not receive an authorized or approved COVID-19 vaccine until after the Day 57 visit (single-dose subjects) or the Day 92 visit (two-dose subjects)
  • Any medical disease or condition that, in the opinion of the PI, precludes study participation. This includes acute, subacute, intermittent or chronic medical disease or condition that would place the subject at an unacceptable risk of injury, render the subject unable to meet the requirements of the protocol, or may interfere with the evaluation of responses or the subject's successful completion of this trial

Trial design

Primary purpose

Prevention

Allocation

Non-Randomized

Interventional model

Sequential Assignment

Masking

None (Open label)

130 participants in 8 patient groups

Cohort A / Dosage Group 1 (intranasal drops) / Single Dose
Experimental group
Description:
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.
Treatment:
Biological: Investigational vaccine against SARS-CoV-2 [MV-014-212] Dosage 1, Single Dose, Intranasal Drops
Cohort A / Dosage Group 2 (intranasal drops) / Single Dose
Experimental group
Description:
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.
Treatment:
Biological: Investigational vaccine against SARS-CoV-2 [MV-014-212] Dosage 2, Single Dose, Intranasal Drops
Cohort A / Dosage Group 3a (intranasal drops) / Single Dose
Experimental group
Description:
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.
Treatment:
Biological: Investigational vaccine against SARS-CoV-2 [MV-014-212] Dosage 3, Single Dose, Intranasal Drops
Cohort A / Dosage Group 3a (intranasal drops) / Two Doses
Experimental group
Description:
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.
Treatment:
Biological: Investigational vaccine against SARS-CoV-2 [MV-014-212] Dosage 3, Two Doses, Intranasal Drops
Cohort A / Dosage Group 3b (intranasal spray) / Single Dose
Experimental group
Description:
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.
Treatment:
Biological: Investigational vaccine against SARS-CoV-2 [MV-014-212] Dosage 3, Single Dose, Intranasal Spray
Cohort B / Dosage Group 4 (intranasal drops) / Single Dose
Experimental group
Description:
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.
Treatment:
Biological: Investigational vaccine against SARS-CoV-2 [MV-014-212] Dosage 1, Single Dose, Intranasal Drops
Cohort B / Dosage Group 5 (intranasal drops) / Single Dose
Experimental group
Description:
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.
Treatment:
Biological: Investigational vaccine against SARS-CoV-2 [MV-014-212] Dosage 2, Single Dose, Intranasal Drops
Cohort B / Dosage Group 6 (intranasal drops) / Single Dose
Experimental group
Description:
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.
Treatment:
Biological: Investigational vaccine against SARS-CoV-2 [MV-014-212] Dosage 3, Single Dose, Intranasal Drops

Trial contacts and locations

2

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Central trial contact

Jay Lieberman, MD

Data sourced from clinicaltrials.gov

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