A Study of mRNA-1011.1, mRNA-1011.2, and mRNA-1012.1 Candidate Seasonal Influenza Vaccines in Healthy Adults
A Phase 1/2, Randomized, Open-Label Study to Evaluate the Safety, Reactogenicity, and Immunogenicity of mRNA-1011.1, mRNA-1011.2, and mRNA-1012.1 Candidate Seasonal Influenza Vaccines in Healthy Adults 50 to 75 Years of Age
1 other identifier
interventional
698
1 country
22
Brief Summary
The purpose of this study is to measure the safety and the immune response to 3 next-generation influenza vaccine candidates (mRNA-1011.1, mRNA-1011.2, and mRNA-1012.1) compared with influenza vaccine candidate mRNA-1010 controls in healthy adult participants.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for phase_1
Started Mar 2023
Shorter than P25 for phase_1
22 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
Study Start
First participant enrolled
March 27, 2023
CompletedFirst Submitted
Initial submission to the registry
April 12, 2023
CompletedFirst Posted
Study publicly available on registry
April 24, 2023
CompletedPrimary Completion
Last participant's last visit for primary outcome
November 20, 2023
CompletedStudy Completion
Last participant's last visit for all outcomes
November 20, 2023
CompletedResults Posted
Study results publicly available
February 3, 2025
CompletedFebruary 3, 2025
January 1, 2025
8 months
April 12, 2023
November 14, 2024
January 28, 2025
Conditions
Keywords
Outcome Measures
Primary Outcomes (3)
Number of Participants With Solicited Local and Systemic Adverse Reactions (ARs)
Solicited ARs (local and systemic) were collected in an electronic diary (eDiary). Local ARs included: injection site pain, injection site erythema (redness), injection site swelling/induration (hardness), and axillary (underarm) swelling or tenderness ipsilateral to the side of injection. Systemic ARs included: fever, headache, fatigue, myalgia, arthralgia, nausea/vomiting, and chills. All solicited ARs considered causally related to injection were graded 0-4 (per Toxicity Grading Scale for Healthy Adult and Adolescent Volunteers Enrolled in Preventive Vaccine Clinical Trials); lower score indicates lower severity, and a higher score indicates greater severity.
7 days post-vaccination
Number of Participants With Unsolicited AEs
An AE was defined as any untoward medical occurrence associated with the use of a drug in humans, whether or not considered drug related. Any abnormal laboratory test result (hematology, clinical chemistry, or prothrombin time \[PT\]/partial thromboplastin time \[PTT\]) or other safety assessment (for example, electrocardiogram, radiological scan, vital sign measurement), including one that worsened from baseline and was considered clinically significant in the medical and scientific judgment of the Investigator was recorded as an AE. Number of participants with unsolicited AEs (SAEs and non-serious AEs) up to 28 days post-vaccination are reported in this outcome measure.
Up to 28 days post-vaccination
Number of Participants With SAEs, AEs of Special Interest (AESIs), Medically Attended AEs (MAAEs), and AEs Leading to Discontinuation
An SAE was defined as any AE that resulted in death, was life-threatening, required inpatient hospitalization or prolongation of existing hospitalization, resulted in disability/permanent damage, was a congenital anomaly/birth defect, or was an important medical event. AESIs included thrombocytopenia, new onset of or worsening of the protocol specified neurologic diseases, anaphylaxis, and myocarditis/pericarditis. An MAAE is an AE that lead to an unscheduled visit to an healthcare practitioner. This included visits to a study site for unscheduled assessments (for example, abnormal laboratory follow-up) and visits to healthcare practitioners external to the study site (for example, urgent care, primary care physician). Number of participants with SAEs, AESIs, MAAEs, and AEs leading to discontinuation up to the end of study (Day 181) are reported in this outcome measure.
Day 1 to Day 181 (end of study [EOS])
Secondary Outcomes (3)
Geometric Mean Titer (GMT) of Anti-Hemagglutinin (HA) Antibodies at Day 29, as Measured by Hemagglutination Inhibition (HAI) Assay for Vaccine-matched Influenza A and B Strains
Day 29
Geometric Mean Fold Rise (GMFR) of Anti-HA Antibodies at Day 29, as Measured by HAI Assay for Vaccine-matched Influenza A and B Strains
Baseline, Day 29
Percentage of Participants Reaching Seroconversion at Day 29, as Measured by HAI Assay for Vaccine-matched Influenza A and B Strains
Day 29
Study Arms (7)
mRNA-1011.1
EXPERIMENTALParticipants will receive mRNA-1011.1 by intramuscular (IM) injection on Day 1.
mRNA-1011.2
EXPERIMENTALParticipants will receive mRNA-1011.2 by IM injection on Day 1.
mRNA-1012.1 Dose Level A
EXPERIMENTALParticipants will receive mRNA-1012.1 at dose level A by IM injection on Day 1.
mRNA-1012.1 Dose Level B
EXPERIMENTALParticipants will receive mRNA-1012.1 at dose level B by IM injection on Day 1.
mRNA-1010
ACTIVE COMPARATORParticipants will receive mRNA-1010 by IM injection on Day 1.
mRNA-1010.2
ACTIVE COMPARATORParticipants will receive mRNA-1010.2 by IM injection on Day 1.
mRNA-1010.3
ACTIVE COMPARATORParticipants will receive mRNA-1010.3 by IM injection on Day 1.
Interventions
Sterile liquid for injection
Sterile liquid for injection
Sterile liquid for injection
Sterile liquid for injection
Sterile liquid for injection
Eligibility Criteria
You may qualify if:
- Body mass index of 18 kilograms (kg)/square meter (m\^2) to 35 kg/m\^2 (inclusive) at the Screening Visit.
- For female participants of childbearing potential: negative pregnancy test, adequate contraception or has abstained from all activities that could result in pregnancy for at least 28 days prior to Day 1, agreement to continue adequate contraception through 3 months following vaccine administration, and not currently breastfeeding.
You may not qualify if:
- Participant is acutely ill or febrile (temperature ≥38.0 degrees Celsius \[°C\]/100.4 degrees Fahrenheit \[°F\]) 72 hours prior to or at the Screening Visit or Day 1.
- Any medical, psychiatric, or occupational condition, including reported history of substance abuse, that, in the opinion of the Investigator, might pose additional risk due to participation in the study or could interfere with the interpretation of study results.
- Participant has received systemic immunosuppressants for \>14 days in total within 180 days prior to the Randomization Visit (for glucocorticosteroids ≥10 milligrams \[mg\]/day of prednisone equivalent) or is anticipating the need for systemic immunosuppressive treatment at any time during participation in the study (including intra-articular steroid injections). Inhaled, nasal, and topical steroids are allowed.
- Participant has received or plans to receive any licensed or authorized vaccine, including COVID-19 vaccines, ≤28 days prior to the study injection (Day 1) or plans to receive a licensed or authorized vaccine within 28 days after the study injection.
- Participant has received a seasonal influenza vaccine or any other influenza vaccine within 180 days prior to the Randomization Visit.
- Participant tested positive for influenza by local health authority-approved testing methods within 180 days prior to the Randomization Visit.
- Participant has had close contact to someone with or been diagnosed themselves with respiratory syncytial virus or SARS-CoV-2 infection as defined by the Centers for Disease Control and Prevention (CDC) in the past 10 days prior to the Randomization Visit.
- Participant has donated ≥450 milliliters (mL) of blood products within 28 days prior to the Randomization Visit or plans to donate blood products during the study.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- ModernaTX, Inc.lead
Study Sites (22)
Long Beach Research Institute
Lakewood, California, 90805, United States
Long Beach Clinical Trials
Long Beach, California, 90806, United States
Tekton Research
Fort Collins, Colorado, 80528, United States
Critical Care, Pulmonary and Sleep Associates / CCT Research
Lakewood, Colorado, 80228, United States
CenExel RCA
Hollywood, Florida, 33024, United States
Suncoast Research Associates, LLC
Miami, Florida, 33173, United States
CenExel FCR
Tampa, Florida, 33613, United States
Georgia Clinic / CCT Research
Norcross, Georgia, 30092, United States
CenExel CBH
Gaithersburg, Maryland, 20877, United States
DelRicht Research
Rockville, Maryland, 20852, United States
DelRicht Research
Springfield, Missouri, 65807, United States
Sundance Clinical Research, LLC
St Louis, Missouri, 63141, United States
DelRicht Research
Town and Country, Missouri, 63017, United States
Meridian Clinical Research, LLC
Omaha, Nebraska, 68134, United States
Healor Primary Care
Las Vegas, Nevada, 89102, United States
Meridian Clinical Research, LLC
Vestal, New York, 13850, United States
Tekton Research
Edmond, Oklahoma, 73013, United States
Tekton Research
Moore, Oklahoma, 73160, United States
The Corvallis Clinic, PC
Corvallis, Oregon, 97330, United States
Hatboro Medical Associates / CCT Research
Hatboro, Pennsylvania, 19040, United States
Trial Management Associates, LLC
Myrtle Beach, South Carolina, 29572, United States
Springville Dermatology / CCT Research
Springville, Utah, 84663, United States
Related Publications (1)
Hsu D, Jayaraman A, Pucci A, Joshi R, Mancini K, Chen HL, Koslovsky K, Mao X, Choi A, Henry C, Vakil J, Stadlbauer D, Jorquera P, Arunkumar GA, Sanchez-Crespo NE, Wadsworth LT, Bhupathy V, Du E, Avanesov A, Ananworanich J, Nachbagauer R. Safety and immunogenicity of mRNA-based seasonal influenza vaccines formulated to include multiple A/H3N2 strains with or without the B/Yamagata strain in US adults aged 50-75 years: a phase 1/2, open-label, randomised trial. Lancet Infect Dis. 2025 Jan;25(1):25-35. doi: 10.1016/S1473-3099(24)00493-6. Epub 2024 Sep 5.
PMID: 39245055DERIVED
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Results Point of Contact
- Title
- Moderna Clinical Trials Support Center
- Organization
- ModernaTX, Inc.
Publication Agreements
- PI is Sponsor Employee
- No
- Restrictive Agreement
- Yes
Study Design
- Study Type
- interventional
- Phase
- phase 1
- Allocation
- RANDOMIZED
- Masking
- NONE
- Purpose
- PREVENTION
- Intervention Model
- PARALLEL
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
April 12, 2023
First Posted
April 24, 2023
Study Start
March 27, 2023
Primary Completion
November 20, 2023
Study Completion
November 20, 2023
Last Updated
February 3, 2025
Results First Posted
February 3, 2025
Record last verified: 2025-01