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ClinicalTrials.gov public records Last synced Oct 16, 2026, 10:49 PM EDT

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Showing 1–24 of 115 matching trials from the live ClinicalTrials.gov search.
Filters: Sponsor: ModernaTX, Inc. Clear all
Active, not recruiting Phase 1 Interventional Accepts healthy volunteers

A Study of an Epstein-Barr Virus (EBV) Candidate Vaccine, mRNA-1195, in 18- to 55-Year-Old Healthy Participants

NCT05831111
View directory record Official record
Conditions
Epstein-Barr Virus Infection
Interventions
mRNA-1195.1, mRNA-1195.2, mRNA-1189, Placebo, mRNA-1195
Biological
Lead sponsor
ModernaTX, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
482 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
34
States / cities
Anniston, Alabama • Tucson, Arizona • Huntington Beach, California + 30 more
Source: ClinicalTrials.gov public record
Updated Aug 11, 2026 · Synced Oct 16, 2026, 10:49 PM EDT
Active, not recruiting Phase 1Phase 2 Interventional

A Clinical Study of Intismeran Autogene (V940) Treatment and Pembrolizumab in People With Bladder Cancer (V940-005/INTerpath-005)

NCT06305767
View directory record Official record
Conditions
Bladder Cancer
Interventions
Pembrolizumab, Intismeran autogene, Placebo, Enfortumab Vedotin, Surgery (RC plus PLND)
Biological · Other · Procedure
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
230 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2031
U.S. locations
10
States / cities
Los Angeles, California • Orlando, Florida • Chicago, Illinois + 7 more
Source: ClinicalTrials.gov public record
Updated Jan 13, 2026 · Synced Oct 16, 2026, 10:49 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Post-Marketing Safety Study of Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) mRNA-1273 COVID-19 Vaccine in the United States

NCT04958954
View directory record Official record
Conditions
SARS-CoV-2
Interventions
Not listed
Lead sponsor
ModernaTX, Inc.
Industry
Eligibility
Not listed
Enrollment
50,000,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 17, 2023 · Synced Oct 16, 2026, 10:49 PM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

A Study to Evaluate the Safety and Efficacy of mRNA-1345 Vaccine Targeting Respiratory Syncytial Virus (RSV) in Adults ≥60 Years of Age

NCT05127434
View directory record Official record
Conditions
Respiratory Syncytial Virus
Interventions
Placebo, mRNA-1345
Drug
Lead sponsor
ModernaTX, Inc.
Industry
Eligibility
60 Years and older
Enrollment
36,814 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
133
States / cities
Birmingham, Alabama • Guntersville, Alabama • Huntsville, Alabama + 114 more
Source: ClinicalTrials.gov public record
Updated Sep 29, 2026 · Synced Oct 16, 2026, 10:49 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

A Study of mRNA-1345, an mRNA Vaccine Targeting Respiratory Syncytial Virus, in Children 2 to <18 Years of Age at High Risk of Respiratory Syncytial Virus

NCT06097299
View directory record Official record
Conditions
Respiratory Syncytial Virus
Interventions
mRNA-1345, Placebo
Biological
Lead sponsor
ModernaTX, Inc.
Industry
Eligibility
2 Years to 17 Years
Enrollment
349 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
47
States / cities
Phoenix, Arizona • Scottsdale, Arizona • Banning, California + 41 more
Source: ClinicalTrials.gov public record
Updated Aug 18, 2026 · Synced Oct 16, 2026, 10:49 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Safety and Immunogenicity of mRNA-1653, a Combined Human Metapneumovirus (hMPV) and Parainfluenza Virus Type 3 (PIV3) Vaccine, in Healthy Adults, and Children 12 to 59 Months of Age With Serologic Evidence of Prior Exposure

NCT04144348
View directory record Official record
Conditions
Human Metapneumovirus and Human Parainfluenza Infection
Interventions
mRNA-1653, Placebo
Biological
Lead sponsor
ModernaTX, Inc.
Industry
Eligibility
12 Months to 49 Years
Enrollment
51 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
19
States / cities
Birmingham, Alabama • Washington D.C., District of Columbia • Idaho Falls, Idaho + 16 more
Source: ClinicalTrials.gov public record
Updated Feb 3, 2023 · Synced Oct 16, 2026, 10:49 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Study of mRNA-1010 Seasonal Influenza Vaccine in Adults

NCT05827978
View directory record Official record
Conditions
Seasonal Influenza
Interventions
mRNA-1010, Licensed Quadrivalent Inactivated Seasonal Influenza Vaccine
Biological
Lead sponsor
ModernaTX, Inc.
Industry
Eligibility
18 Years and older
Enrollment
8,411 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
103
States / cities
Anniston, Alabama • Athens, Alabama • Cullman, Alabama + 85 more
Source: ClinicalTrials.gov public record
Updated Jul 10, 2025 · Synced Oct 16, 2026, 10:49 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

A Study to Investigate Cardiac Troponin Levels After mRNA-1273.712 Vaccine in Participants 12 Through 30 Years of Age

NCT06634797
View directory record Official record
Conditions
Healthy Volunteers
Interventions
mRNA-1273.712, Placebo
Biological
Lead sponsor
ModernaTX, Inc.
Industry
Eligibility
12 Years to 30 Years
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
24
States / cities
Phoenix, Arizona • Huntington Park, California • La Mesa, California + 21 more
Source: ClinicalTrials.gov public record
Updated Feb 4, 2026 · Synced Oct 16, 2026, 10:49 PM EDT
Active, not recruiting Phase 3 Interventional Accepts healthy volunteers

A Study to Investigate the Safety and Efficacy of mRNA-1403 in Participants ≥18 Years of Age for the Prevention of Acute Gastroenteritis

NCT06592794
View directory record Official record
Conditions
Acute Gastroenteritis, Norovirus Acute Gastroenteritis
Interventions
mRNA-1403, Placebo
Biological
Lead sponsor
ModernaTX, Inc.
Industry
Eligibility
18 Years and older
Enrollment
37,864 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
184
States / cities
Birmingham, Alabama • Cullman, Alabama • Daphne, Alabama + 136 more
Source: ClinicalTrials.gov public record
Updated May 13, 2026 · Synced Oct 16, 2026, 10:49 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

A Study of mRNA-1608, a Herpes Simplex Virus -2 (HSV-2) Therapeutic Candidate Vaccine, in Healthy Adults 18 to 55 Years of Age With Recurrent HSV-2 Genital Herpes

NCT06033261
View directory record Official record
Conditions
Genital Herpes
Interventions
mRNA-1608, BEXSERO
Biological
Lead sponsor
ModernaTX, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
303 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
23
States / cities
Birmingham, Alabama • Tucson, Arizona • Beverly Hills, California + 20 more
Source: ClinicalTrials.gov public record
Updated May 8, 2026 · Synced Oct 16, 2026, 10:49 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Evaluation of a Multilevel Intervention on Adult COVID-19 and Influenza Vaccination Rate

NCT06646406
View directory record Official record
Conditions
COVID-19 Immunisation, Influenza Vaccine
Interventions
Patient letter and clinician communication
Behavioral
Lead sponsor
Mayo Clinic
Other
Eligibility
19 Years and older
Enrollment
114,165 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
2
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 5, 2025 · Synced Oct 16, 2026, 10:49 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

A Study of mRNA-1083 (SARS-CoV-2 and Influenza) Vaccine in Healthy Adult Participants, ≥50 Years of Age

NCT06097273
View directory record Official record
Conditions
SARS-CoV-2, Influenza
Interventions
mRNA-1083, Placebo, Influenza Vaccine, COVID-19 Vaccine
Biological
Lead sponsor
ModernaTX, Inc.
Industry
Eligibility
50 Years and older
Enrollment
8,061 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
146
States / cities
Anniston, Alabama • Birmingham, Alabama • Cullman, Alabama + 122 more
Source: ClinicalTrials.gov public record
Updated Jul 1, 2025 · Synced Oct 16, 2026, 10:49 PM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Moderna COVID-19 Vaccine mRNA-1273 Observational Pregnancy Outcome Study

NCT04958304
View directory record Official record
Conditions
SARS-CoV-2
Interventions
Not listed
Lead sponsor
ModernaTX, Inc.
Industry
Eligibility
18 Years and older · Female only
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 28, 2023 · Synced Oct 16, 2026, 10:49 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Study to Assess Maternal and Infant Outcomes Following Exposure to SPIKEVAX During Pregnancy

NCT06369272
View directory record Official record
Conditions
Maternal Outcomes, Infant Outcomes, Pregnancy
Interventions
Not listed
Lead sponsor
ModernaTX, Inc.
Industry
Eligibility
13 Years to 49 Years · Female only
Enrollment
1,192 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Newton, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 16, 2024 · Synced Oct 16, 2026, 10:49 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Safety and Immunogenicity Study of a SARS-CoV-2 (COVID-19) Variant Vaccine (mRNA-1273.351) in Naïve and Previously Vaccinated Adults

NCT04785144
View directory record Official record
Conditions
COVID-19, COVID-19 Immunisation
Interventions
mRNA-1273, mRNA-1273.351
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 99 Years
Enrollment
135 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
4
States / cities
Decatur, Georgia • Cincinnati, Ohio • Nashville, Tennessee + 1 more
Source: ClinicalTrials.gov public record
Updated Mar 18, 2024 · Synced Oct 16, 2026, 10:49 PM EDT
Recruiting Phase 3 Interventional

A Study of Pembrolizumab (MK-3475) With or Without Intismeran Autogene (V940) in Participants With Non-small Cell Lung Cancer (V940-009/INTerpath-009)

NCT06623422
View directory record Official record
Conditions
Carcinoma, Non-Small-Cell Lung
Interventions
Pembrolizumab, Cisplatin, Carboplatin, Pemetrexed, Gemcitabine, Paclitaxel, Intismeran autogene, Placebo
Biological · Drug · Other
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
680 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2038
U.S. locations
54
States / cities
Gilbert, Arizona • Tucson, Arizona • Fullerton, California + 42 more
Source: ClinicalTrials.gov public record
Updated Oct 16, 2026 · Synced Oct 16, 2026, 10:49 PM EDT
Active, not recruiting Phase 2 Interventional

A Study to Evaluate the Efficacy, Safety, and Immunogenicity of mRNA-1647 Cytomegalovirus (CMV) Vaccine in Allogenic Hematopoietic Cell Transplantation (HCT) Participants.

NCT05683457
View directory record Official record
Conditions
Cytomegalovirus Infection
Interventions
mRNA-1647, Placebo
Biological
Lead sponsor
ModernaTX, Inc.
Industry
Eligibility
18 Years and older
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
3
States / cities
Boston, Massachusetts • St Louis, Missouri • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Aug 10, 2026 · Synced Oct 16, 2026, 10:49 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

A Study of mRNA-1647 Cytomegalovirus Vaccine in Healthy Participants 9 to 15 Years of Age and Participants 16 to 25 Years of Age

NCT05575492
View directory record Official record
Conditions
Cytomegalovirus
Interventions
mRNA-1647, Placebo
Biological · Other
Lead sponsor
ModernaTX, Inc.
Industry
Eligibility
9 Years to 25 Years
Enrollment
873 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
44
States / cities
La Mesa, California • Sacramento, California • Fort Collins, Colorado + 38 more
Source: ClinicalTrials.gov public record
Updated Jun 4, 2026 · Synced Oct 16, 2026, 10:49 PM EDT
Terminated Phase 1Phase 2 Interventional Results available

High-Dose Moderna mRNA-1273 Booster Study for Lung Transplant Recipients

NCT05280158
View directory record Official record
Conditions
Lung Transplant Recipient, SARS-CoV-2, Immunosuppression
Interventions
mRNA-1273 (Moderna COVID-19 vaccine)
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 26, 2025 · Synced Oct 16, 2026, 10:49 PM EDT
Recruiting Phase 1 Interventional

ACTengine® IMA203 Combined With mRNA-4203

NCT06946225
View directory record Official record
Conditions
Cutaneous Melanoma, Synovial Sarcoma
Interventions
IMA203, mRNA-4203
Biological
Lead sponsor
Immatics US, Inc.
Industry
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
4
States / cities
San Francisco, California • Boston, Massachusetts • New York, New York + 1 more
Source: ClinicalTrials.gov public record
Updated Jan 8, 2026 · Synced Oct 16, 2026, 10:49 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Evaluate Safety, Reactogenicity, and Immunogenicity of mRNA-1283 and mRNA-1273 Vaccines in Healthy Adults Between 18 Years and 55 Years of Age to Prevent COVID-19

NCT04813796
View directory record Official record
Conditions
SARS-CoV-2
Interventions
mRNA-1283, mRNA-1273, Placebo
Biological
Lead sponsor
ModernaTX, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
104 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
5
States / cities
Chandler, Arizona • San Diego, California • Melbourne, Florida + 2 more
Source: ClinicalTrials.gov public record
Updated Aug 1, 2023 · Synced Oct 16, 2026, 10:49 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study of Modified mRNA Vaccines in Healthy Adults

NCT05397223
View directory record Official record
Conditions
SARS-CoV-2, Seasonal Influenza, Respiratory Syncytial Virus, Cytomegalovirus
Interventions
mRNA-1273, mRNA-1010, mRNA-1345, FLUAD®, mRNA-1647
Biological
Lead sponsor
ModernaTX, Inc.
Industry
Eligibility
18 Years to 75 Years
Enrollment
308 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
8
States / cities
Hollywood, Florida • Savannah, Georgia • Sioux City, Iowa + 4 more
Source: ClinicalTrials.gov public record
Updated Mar 12, 2026 · Synced Oct 16, 2026, 10:49 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

A Study of mRNA-based Influenza and SARS-CoV-2 (COVID-19) Multi-component Vaccines in Healthy Adults

NCT05827926
View directory record Official record
Conditions
SARS-CoV-2, Influenza
Interventions
Influenza Vaccine 1, mRNA-1083.1, mRNA-1083.2, mRNA-1083.3, Investigational Influenza Vaccine 1, Investigational COVID-19 Vaccine 1, COVID-19 Vaccine 1, Investigational Influenza Vaccine 2, Influenza Vaccine 2, mRNA-1083, Investigational COVID-19 Vaccine 2, COVID-19 Vaccine 2
Biological
Lead sponsor
ModernaTX, Inc.
Industry
Eligibility
18 Years to 79 Years
Enrollment
1,758 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
69
States / cities
Chandler, Arizona • Colton, California • Huntington Beach, California + 59 more
Source: ClinicalTrials.gov public record
Updated Dec 23, 2025 · Synced Oct 16, 2026, 10:49 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

A Study to Evaluate the Safety and Immunogenicity of the mRNA COVID-19 Vaccines in Healthy Children Between 6 Months to Less Than 6 Years of Age

NCT05436834
View directory record Official record
Conditions
SARS-CoV-2
Interventions
mRNA-1273.214, mRNA-1273.815
Biological
Lead sponsor
ModernaTX, Inc.
Industry
Eligibility
6 Months to 5 Years
Enrollment
1,807 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
48
States / cities
Bessemer, Alabama • Banning, California • Montebello, California + 38 more
Source: ClinicalTrials.gov public record
Updated Nov 26, 2025 · Synced Oct 16, 2026, 10:49 PM EDT