Recent Updates
Recently added Catalysts

mRNA-1083 Composition 1 Dose A Lot A

Phase 2

Influenza | Monoclonal antibody | Infectious Disease |Moderna, Inc.|Last Updated: Oct 20, 2025

Success Probability
Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
Premium
Market & Valuation
rNPV $3.2B
Market Size $9.4B
Revenue Basis $1.6B
Competitors 6
Premium
Trial Design
RandomizedDouble-BlindACTIVE_CONTROLLEDBiomarker
Total Trials1
Total Enrollment1,320
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT06864143A Study to Investigate the Immunogenicity, Reactogenicity, and Safety of mRNA-1083 (Influenza and COVID-19) Vaccine in Adults ≥18 to <65 Years of AgePHASE2 COMPLETED 1,320Mar 7, 2025Oct 13, 2025Oct 20, 202517 United States
Unlock Drug Trial Details
Study Endpoints
Primary Endpoints
Geometric Mean Titer (GMT) as Measured by Hemagglutination Inhibition (HAI) Assay for Influenza
Day 29
Geometric Mean Concentration (GMC) as Measured by Pseudovirus Neutralization Assay (PsVNA) for Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2)
Day 29
Number of Participants With Solicited Local and Systemic Adverse Reactions (ARs)
Day 1 through 7 days after study injection
Number of Participants With Unsolicited Adverse Events (AEs)
Day 1 through 28 days after study injection
Number of Participants With Medically Attended Adverse Events (MAAEs), Adverse Events of Special Interest (AESIs), Serious Adverse Events (SAEs), and AEs Leading to Discontinuation From the Study
Day 1 through Day 181
Secondary Endpoints
Geometric Mean Fold-Rise (GMFR) of Antibodies for Influenza as Measured by HAI Assay
Baseline (Day 1), Day 29
GMFR of Antibodies for SARS-CoV-2 as Measured by PsVNA
Baseline (Day 1), Day 29
Influenza: Percentage of Participants with Seroconversion as Measured by HAI Assay
Baseline (Day 1) to Day 29
Unlock Study Endpoints
Study Design & Arms
AllocationRANDOMIZED
MaskingQUADRUPLE
ModelPARALLEL
PurposePREVENTION
Treatment Arms
ArmTypeDescription
mRNA-1083 Composition 1 Dose A Lot AEXPERIMENTALParticipants will receive single intramuscular (IM) injection of mRNA-1083 Composition 1 at Dose Level A Lot A on Day 1.
mRNA-1083 Composition 1 Dose A Lot BEXPERIMENTALParticipants will receive single IM injection of mRNA-1083 Composition 1 at Dose Level A Lot B on Day 1.
mRNA-1083 Composition 1 Dose BEXPERIMENTALParticipants will receive single IM injection of mRNA-1083 Composition 1 at Dose Level B on Day 1.
mRNA-1083 Composition 1 Dose CEXPERIMENTALParticipants will receive single IM injection of mRNA-1083 Composition 1 at Dose Level C on Day 1.
mRNA-1083 Composition 2 Dose AEXPERIMENTALParticipants will receive single IM injection of mRNA-1083 Composition 2 at Dose Level A on Day 1.
mRNA-1083 Composition 2 Dose BEXPERIMENTALParticipants will receive single IM injection of mRNA-1083 Composition 2 at Dose Level B on Day 1.
mRNA-1083 Composition 3 Dose AEXPERIMENTALParticipants will receive single IM injection of mRNA-1083 Composition 3 at Dose Level A on Day 1.
mRNA-1083 Composition 3 Dose BEXPERIMENTALParticipants will receive single IM injection of mRNA-1083 Composition 3 at Dose Level B on Day 1.
Influenza VaccineACTIVE_COMPARATORParticipants will receive single IM injection of Influenza Vaccine on Day 1.
COVID-19 VaccineACTIVE_COMPARATORParticipants will receive single IM injection of COVID-19 Vaccine on Day 1.
Investigational Influenza VaccineACTIVE_COMPARATORParticipants will receive single IM injection of Investigational Influenza Vaccine on Day 1.
Investigational COVID-19 Vaccine Lot AACTIVE_COMPARATORParticipants will receive single IM injection of Investigational COVID-19 Vaccine Lot A on Day 1.
Investigational COVID-19 Vaccine Lot BACTIVE_COMPARATORParticipants will receive single IM injection of Investigational COVID-19 Vaccine Lot B on Day 1.
Interventions
NameTypeDescription
mRNA-1083 Composition 1 Dose A Lot ABIOLOGICALSterile liquid for injection
mRNA-1083 Composition 1 Dose A Lot BBIOLOGICALSterile liquid for injection
mRNA-1083 Composition 1 Dose BBIOLOGICALSterile liquid for injection
mRNA-1083 Composition 1 Dose CBIOLOGICALSterile liquid for injection
mRNA-1083 Composition 2 Dose ABIOLOGICALSterile liquid for injection
mRNA-1083 Composition 2 Dose BBIOLOGICALSterile liquid for injection
mRNA-1083 Composition 3 Dose ABIOLOGICALSterile liquid for injection
mRNA-1083 Composition 3 Dose BBIOLOGICALSterile liquid for injection
Influenza VaccineBIOLOGICALSterile liquid for injection
COVID-19 VaccineBIOLOGICALSterile liquid for injection
Investigational Influenza VaccineBIOLOGICALSterile liquid for injection
Investigational COVID-19 Vaccine Lot ABIOLOGICALSterile liquid for injection
Investigational COVID-19 Vaccine Lot BBIOLOGICALSterile liquid for injection
Unlock Study Design Details
Eligibility Criteria
Age Range18 Years — 64 Years
SexALL
Healthy VolunteersYes
Study Sites17

Inclusion Criteria: * Medically stable. * Participants who could become pregnant: negative pregnancy test and contraception for at least 28 days prior to Day 1 and for at least 90 days after the study intervention administration. * Have received ≥2 coronavirus disease 2019 (COVID-19) vaccines, with...

Countries:United States
Unlock Eligibility Criteria